[8378] | 1 | // License: GPL. For details, see LICENSE file.
|
---|
[422] | 2 | package org.openstreetmap.josm.gui;
|
---|
| 3 |
|
---|
[3919] | 4 | import java.awt.Cursor;
|
---|
[422] | 5 | import java.awt.Point;
|
---|
[2450] | 6 | import java.awt.Rectangle;
|
---|
[10375] | 7 | import java.awt.event.ComponentAdapter;
|
---|
| 8 | import java.awt.event.ComponentEvent;
|
---|
| 9 | import java.awt.event.HierarchyEvent;
|
---|
| 10 | import java.awt.event.HierarchyListener;
|
---|
[4627] | 11 | import java.awt.geom.AffineTransform;
|
---|
[3594] | 12 | import java.awt.geom.Point2D;
|
---|
[7082] | 13 | import java.nio.charset.StandardCharsets;
|
---|
[7135] | 14 | import java.text.NumberFormat;
|
---|
[1430] | 15 | import java.util.ArrayList;
|
---|
[422] | 16 | import java.util.Collection;
|
---|
[454] | 17 | import java.util.Collections;
|
---|
[2758] | 18 | import java.util.Date;
|
---|
[422] | 19 | import java.util.HashSet;
|
---|
[1430] | 20 | import java.util.LinkedList;
|
---|
| 21 | import java.util.List;
|
---|
[3406] | 22 | import java.util.Map;
|
---|
[6258] | 23 | import java.util.Map.Entry;
|
---|
[3594] | 24 | import java.util.Set;
|
---|
[8856] | 25 | import java.util.Stack;
|
---|
[422] | 26 | import java.util.TreeMap;
|
---|
[2759] | 27 | import java.util.concurrent.CopyOnWriteArrayList;
|
---|
[10657] | 28 | import java.util.function.Predicate;
|
---|
[16438] | 29 | import java.util.stream.Collectors;
|
---|
[6995] | 30 | import java.util.zip.CRC32;
|
---|
[422] | 31 |
|
---|
| 32 | import javax.swing.JComponent;
|
---|
[10375] | 33 | import javax.swing.SwingUtilities;
|
---|
[422] | 34 |
|
---|
[1722] | 35 | import org.openstreetmap.josm.data.Bounds;
|
---|
| 36 | import org.openstreetmap.josm.data.ProjectionBounds;
|
---|
[6992] | 37 | import org.openstreetmap.josm.data.SystemOfMeasurement;
|
---|
[7816] | 38 | import org.openstreetmap.josm.data.ViewportData;
|
---|
[422] | 39 | import org.openstreetmap.josm.data.coor.EastNorth;
|
---|
[12163] | 40 | import org.openstreetmap.josm.data.coor.ILatLon;
|
---|
[422] | 41 | import org.openstreetmap.josm.data.coor.LatLon;
|
---|
[2450] | 42 | import org.openstreetmap.josm.data.osm.BBox;
|
---|
[845] | 43 | import org.openstreetmap.josm.data.osm.DataSet;
|
---|
[422] | 44 | import org.openstreetmap.josm.data.osm.Node;
|
---|
| 45 | import org.openstreetmap.josm.data.osm.OsmPrimitive;
|
---|
[5016] | 46 | import org.openstreetmap.josm.data.osm.Relation;
|
---|
[422] | 47 | import org.openstreetmap.josm.data.osm.Way;
|
---|
| 48 | import org.openstreetmap.josm.data.osm.WaySegment;
|
---|
[7817] | 49 | import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor;
|
---|
[9818] | 50 | import org.openstreetmap.josm.data.preferences.BooleanProperty;
|
---|
| 51 | import org.openstreetmap.josm.data.preferences.DoubleProperty;
|
---|
[3600] | 52 | import org.openstreetmap.josm.data.preferences.IntegerProperty;
|
---|
[422] | 53 | import org.openstreetmap.josm.data.projection.Projection;
|
---|
[12119] | 54 | import org.openstreetmap.josm.data.projection.ProjectionChangeListener;
|
---|
[14120] | 55 | import org.openstreetmap.josm.data.projection.ProjectionRegistry;
|
---|
[2252] | 56 | import org.openstreetmap.josm.gui.help.Helpful;
|
---|
[9818] | 57 | import org.openstreetmap.josm.gui.layer.NativeScaleLayer;
|
---|
| 58 | import org.openstreetmap.josm.gui.layer.NativeScaleLayer.Scale;
|
---|
| 59 | import org.openstreetmap.josm.gui.layer.NativeScaleLayer.ScaleList;
|
---|
[7389] | 60 | import org.openstreetmap.josm.gui.mappaint.MapPaintStyles;
|
---|
[7447] | 61 | import org.openstreetmap.josm.gui.mappaint.mapcss.MapCSSStyleSource;
|
---|
[8556] | 62 | import org.openstreetmap.josm.gui.util.CursorManager;
|
---|
[13200] | 63 | import org.openstreetmap.josm.gui.util.GuiHelper;
|
---|
[12846] | 64 | import org.openstreetmap.josm.spi.preferences.Config;
|
---|
[12620] | 65 | import org.openstreetmap.josm.tools.Logging;
|
---|
[5515] | 66 | import org.openstreetmap.josm.tools.Utils;
|
---|
[422] | 67 |
|
---|
| 68 | /**
|
---|
[6992] | 69 | * A component that can be navigated by a {@link MapMover}. Used as map view and for the
|
---|
[422] | 70 | * zoomer in the download dialog.
|
---|
| 71 | *
|
---|
| 72 | * @author imi
|
---|
[6992] | 73 | * @since 41
|
---|
[422] | 74 | */
|
---|
| 75 | public class NavigatableComponent extends JComponent implements Helpful {
|
---|
| 76 |
|
---|
[13868] | 77 | private static final double ALIGNMENT_EPSILON = 1e-3;
|
---|
| 78 |
|
---|
[2759] | 79 | /**
|
---|
| 80 | * Interface to notify listeners of the change of the zoom area.
|
---|
[10600] | 81 | * @since 10600 (functional interface)
|
---|
[2759] | 82 | */
|
---|
[10600] | 83 | @FunctionalInterface
|
---|
[2759] | 84 | public interface ZoomChangeListener {
|
---|
[6992] | 85 | /**
|
---|
| 86 | * Method called when the zoom area has changed.
|
---|
| 87 | */
|
---|
[2759] | 88 | void zoomChanged();
|
---|
| 89 | }
|
---|
[6070] | 90 |
|
---|
[11367] | 91 | /**
|
---|
| 92 | * To determine if a primitive is currently selectable.
|
---|
| 93 | */
|
---|
[10611] | 94 | public transient Predicate<OsmPrimitive> isSelectablePredicate = prim -> {
|
---|
| 95 | if (!prim.isSelectable()) return false;
|
---|
| 96 | // if it isn't displayed on screen, you cannot click on it
|
---|
| 97 | MapCSSStyleSource.STYLE_SOURCE_LOCK.readLock().lock();
|
---|
| 98 | try {
|
---|
[10634] | 99 | return !MapPaintStyles.getStyles().get(prim, getDist100Pixel(), this).isEmpty();
|
---|
[10611] | 100 | } finally {
|
---|
| 101 | MapCSSStyleSource.STYLE_SOURCE_LOCK.readLock().unlock();
|
---|
[7389] | 102 | }
|
---|
| 103 | };
|
---|
| 104 |
|
---|
[11367] | 105 | /** Snap distance */
|
---|
[3600] | 106 | public static final IntegerProperty PROP_SNAP_DISTANCE = new IntegerProperty("mappaint.node.snap-distance", 10);
|
---|
[11367] | 107 | /** Zoom steps to get double scale */
|
---|
[9818] | 108 | public static final DoubleProperty PROP_ZOOM_RATIO = new DoubleProperty("zoom.ratio", 2.0);
|
---|
[11367] | 109 | /** Divide intervals between native resolution levels to smaller steps if they are much larger than zoom ratio */
|
---|
[9818] | 110 | public static final BooleanProperty PROP_ZOOM_INTERMEDIATE_STEPS = new BooleanProperty("zoom.intermediate-steps", true);
|
---|
[14993] | 111 | /** scale follows native resolution of layer status when layer is created */
|
---|
[14995] | 112 | public static final BooleanProperty PROP_ZOOM_SCALE_FOLLOW_NATIVE_RES_AT_LOAD = new BooleanProperty(
|
---|
[14993] | 113 | "zoom.scale-follow-native-resolution-at-load", true);
|
---|
[3600] | 114 |
|
---|
[2759] | 115 | /**
|
---|
[9818] | 116 | * The layer which scale is set to.
|
---|
| 117 | */
|
---|
| 118 | private transient NativeScaleLayer nativeScaleLayer;
|
---|
| 119 |
|
---|
| 120 | /**
|
---|
[2759] | 121 | * the zoom listeners
|
---|
| 122 | */
|
---|
[7005] | 123 | private static final CopyOnWriteArrayList<ZoomChangeListener> zoomChangeListeners = new CopyOnWriteArrayList<>();
|
---|
[2759] | 124 |
|
---|
| 125 | /**
|
---|
| 126 | * Removes a zoom change listener
|
---|
| 127 | *
|
---|
| 128 | * @param listener the listener. Ignored if null or already absent
|
---|
| 129 | */
|
---|
[13200] | 130 | public static void removeZoomChangeListener(ZoomChangeListener listener) {
|
---|
[2759] | 131 | zoomChangeListeners.remove(listener);
|
---|
| 132 | }
|
---|
| 133 |
|
---|
| 134 | /**
|
---|
| 135 | * Adds a zoom change listener
|
---|
| 136 | *
|
---|
| 137 | * @param listener the listener. Ignored if null or already registered.
|
---|
| 138 | */
|
---|
[13200] | 139 | public static void addZoomChangeListener(ZoomChangeListener listener) {
|
---|
[2759] | 140 | if (listener != null) {
|
---|
| 141 | zoomChangeListeners.addIfAbsent(listener);
|
---|
| 142 | }
|
---|
| 143 | }
|
---|
| 144 |
|
---|
| 145 | protected static void fireZoomChanged() {
|
---|
[13200] | 146 | GuiHelper.runInEDTAndWait(() -> {
|
---|
| 147 | for (ZoomChangeListener l : zoomChangeListeners) {
|
---|
| 148 | l.zoomChanged();
|
---|
| 149 | }
|
---|
| 150 | });
|
---|
[2759] | 151 | }
|
---|
| 152 |
|
---|
[10375] | 153 | // The only events that may move/resize this map view are window movements or changes to the map view size.
|
---|
| 154 | // We can clean this up more by only recalculating the state on repaint.
|
---|
[10611] | 155 | private final transient HierarchyListener hierarchyListener = e -> {
|
---|
| 156 | long interestingFlags = HierarchyEvent.ANCESTOR_MOVED | HierarchyEvent.SHOWING_CHANGED;
|
---|
| 157 | if ((e.getChangeFlags() & interestingFlags) != 0) {
|
---|
| 158 | updateLocationState();
|
---|
[10375] | 159 | }
|
---|
| 160 | };
|
---|
[422] | 161 |
|
---|
[10409] | 162 | private final transient ComponentAdapter componentListener = new ComponentAdapter() {
|
---|
[10375] | 163 | @Override
|
---|
| 164 | public void componentShown(ComponentEvent e) {
|
---|
| 165 | updateLocationState();
|
---|
| 166 | }
|
---|
| 167 |
|
---|
| 168 | @Override
|
---|
| 169 | public void componentResized(ComponentEvent e) {
|
---|
| 170 | updateLocationState();
|
---|
| 171 | }
|
---|
| 172 | };
|
---|
| 173 |
|
---|
[8308] | 174 | protected transient ViewportData initialViewport;
|
---|
[7816] | 175 |
|
---|
[8557] | 176 | protected final transient CursorManager cursorManager = new CursorManager(this);
|
---|
[8556] | 177 |
|
---|
[6509] | 178 | /**
|
---|
[10375] | 179 | * The current state (scale, center, ...) of this map view.
|
---|
| 180 | */
|
---|
[10409] | 181 | private transient MapViewState state;
|
---|
[10375] | 182 |
|
---|
| 183 | /**
|
---|
[12119] | 184 | * Main uses weak link to store this, so we need to keep a reference.
|
---|
| 185 | */
|
---|
| 186 | private final ProjectionChangeListener projectionChangeListener = (oldValue, newValue) -> fixProjection();
|
---|
| 187 |
|
---|
| 188 | /**
|
---|
[6509] | 189 | * Constructs a new {@code NavigatableComponent}.
|
---|
| 190 | */
|
---|
[1169] | 191 | public NavigatableComponent() {
|
---|
| 192 | setLayout(null);
|
---|
[10375] | 193 | state = MapViewState.createDefaultState(getWidth(), getHeight());
|
---|
[14120] | 194 | ProjectionRegistry.addProjectionChangeListener(projectionChangeListener);
|
---|
[1169] | 195 | }
|
---|
[422] | 196 |
|
---|
[10375] | 197 | @Override
|
---|
| 198 | public void addNotify() {
|
---|
| 199 | updateLocationState();
|
---|
| 200 | addHierarchyListener(hierarchyListener);
|
---|
| 201 | addComponentListener(componentListener);
|
---|
| 202 | super.addNotify();
|
---|
| 203 | }
|
---|
| 204 |
|
---|
| 205 | @Override
|
---|
| 206 | public void removeNotify() {
|
---|
| 207 | removeHierarchyListener(hierarchyListener);
|
---|
| 208 | removeComponentListener(componentListener);
|
---|
| 209 | super.removeNotify();
|
---|
| 210 | }
|
---|
| 211 |
|
---|
[9818] | 212 | /**
|
---|
| 213 | * Choose a layer that scale will be snap to its native scales.
|
---|
| 214 | * @param nativeScaleLayer layer to which scale will be snapped
|
---|
| 215 | */
|
---|
| 216 | public void setNativeScaleLayer(NativeScaleLayer nativeScaleLayer) {
|
---|
| 217 | this.nativeScaleLayer = nativeScaleLayer;
|
---|
[10375] | 218 | zoomTo(getCenter(), scaleRound(getScale()));
|
---|
[9818] | 219 | repaint();
|
---|
| 220 | }
|
---|
| 221 |
|
---|
| 222 | /**
|
---|
| 223 | * Replies the layer which scale is set to.
|
---|
| 224 | * @return the current scale layer (may be null)
|
---|
| 225 | */
|
---|
| 226 | public NativeScaleLayer getNativeScaleLayer() {
|
---|
| 227 | return nativeScaleLayer;
|
---|
| 228 | }
|
---|
| 229 |
|
---|
| 230 | /**
|
---|
| 231 | * Get a new scale that is zoomed in from previous scale
|
---|
| 232 | * and snapped to selected native scale layer.
|
---|
| 233 | * @return new scale
|
---|
| 234 | */
|
---|
| 235 | public double scaleZoomIn() {
|
---|
| 236 | return scaleZoomManyTimes(-1);
|
---|
| 237 | }
|
---|
| 238 |
|
---|
| 239 | /**
|
---|
| 240 | * Get a new scale that is zoomed out from previous scale
|
---|
| 241 | * and snapped to selected native scale layer.
|
---|
| 242 | * @return new scale
|
---|
| 243 | */
|
---|
| 244 | public double scaleZoomOut() {
|
---|
| 245 | return scaleZoomManyTimes(1);
|
---|
| 246 | }
|
---|
| 247 |
|
---|
| 248 | /**
|
---|
| 249 | * Get a new scale that is zoomed in/out a number of times
|
---|
| 250 | * from previous scale and snapped to selected native scale layer.
|
---|
| 251 | * @param times count of zoom operations, negative means zoom in
|
---|
| 252 | * @return new scale
|
---|
| 253 | */
|
---|
| 254 | public double scaleZoomManyTimes(int times) {
|
---|
| 255 | if (nativeScaleLayer != null) {
|
---|
| 256 | ScaleList scaleList = nativeScaleLayer.getNativeScales();
|
---|
[9946] | 257 | if (scaleList != null) {
|
---|
[9954] | 258 | if (PROP_ZOOM_INTERMEDIATE_STEPS.get()) {
|
---|
[9946] | 259 | scaleList = scaleList.withIntermediateSteps(PROP_ZOOM_RATIO.get());
|
---|
| 260 | }
|
---|
| 261 | Scale s = scaleList.scaleZoomTimes(getScale(), PROP_ZOOM_RATIO.get(), times);
|
---|
| 262 | return s != null ? s.getScale() : 0;
|
---|
[9818] | 263 | }
|
---|
| 264 | }
|
---|
[9946] | 265 | return getScale() * Math.pow(PROP_ZOOM_RATIO.get(), times);
|
---|
[9818] | 266 | }
|
---|
| 267 |
|
---|
| 268 | /**
|
---|
| 269 | * Get a scale snapped to native resolutions, use round method.
|
---|
| 270 | * It gives nearest step from scale list.
|
---|
| 271 | * Use round method.
|
---|
| 272 | * @param scale to snap
|
---|
| 273 | * @return snapped scale
|
---|
| 274 | */
|
---|
| 275 | public double scaleRound(double scale) {
|
---|
| 276 | return scaleSnap(scale, false);
|
---|
| 277 | }
|
---|
| 278 |
|
---|
| 279 | /**
|
---|
| 280 | * Get a scale snapped to native resolutions.
|
---|
| 281 | * It gives nearest lower step from scale list, usable to fit objects.
|
---|
| 282 | * @param scale to snap
|
---|
| 283 | * @return snapped scale
|
---|
| 284 | */
|
---|
| 285 | public double scaleFloor(double scale) {
|
---|
| 286 | return scaleSnap(scale, true);
|
---|
| 287 | }
|
---|
| 288 |
|
---|
| 289 | /**
|
---|
| 290 | * Get a scale snapped to native resolutions.
|
---|
| 291 | * It gives nearest lower step from scale list, usable to fit objects.
|
---|
| 292 | * @param scale to snap
|
---|
| 293 | * @param floor use floor instead of round, set true when fitting view to objects
|
---|
| 294 | * @return new scale
|
---|
| 295 | */
|
---|
| 296 | public double scaleSnap(double scale, boolean floor) {
|
---|
| 297 | if (nativeScaleLayer != null) {
|
---|
| 298 | ScaleList scaleList = nativeScaleLayer.getNativeScales();
|
---|
[9946] | 299 | if (scaleList != null) {
|
---|
[10466] | 300 | if (PROP_ZOOM_INTERMEDIATE_STEPS.get()) {
|
---|
| 301 | scaleList = scaleList.withIntermediateSteps(PROP_ZOOM_RATIO.get());
|
---|
| 302 | }
|
---|
[9946] | 303 | Scale snapscale = scaleList.getSnapScale(scale, PROP_ZOOM_RATIO.get(), floor);
|
---|
| 304 | return snapscale != null ? snapscale.getScale() : scale;
|
---|
| 305 | }
|
---|
[9818] | 306 | }
|
---|
[9946] | 307 | return scale;
|
---|
[9818] | 308 | }
|
---|
| 309 |
|
---|
| 310 | /**
|
---|
| 311 | * Zoom in current view. Use configured zoom step and scaling settings.
|
---|
| 312 | */
|
---|
| 313 | public void zoomIn() {
|
---|
[12074] | 314 | zoomTo(state.getCenter().getEastNorth(), scaleZoomIn());
|
---|
[9818] | 315 | }
|
---|
| 316 |
|
---|
| 317 | /**
|
---|
| 318 | * Zoom out current view. Use configured zoom step and scaling settings.
|
---|
| 319 | */
|
---|
| 320 | public void zoomOut() {
|
---|
[12074] | 321 | zoomTo(state.getCenter().getEastNorth(), scaleZoomOut());
|
---|
[9818] | 322 | }
|
---|
| 323 |
|
---|
[10375] | 324 | protected void updateLocationState() {
|
---|
[10405] | 325 | if (isVisibleOnScreen()) {
|
---|
[10375] | 326 | state = state.usingLocation(this);
|
---|
[6509] | 327 | }
|
---|
[2114] | 328 | }
|
---|
| 329 |
|
---|
[10405] | 330 | protected boolean isVisibleOnScreen() {
|
---|
[14052] | 331 | return SwingUtilities.getWindowAncestor(this) != null && isShowing();
|
---|
[10405] | 332 | }
|
---|
| 333 |
|
---|
[5560] | 334 | /**
|
---|
[10486] | 335 | * Changes the projection settings used for this map view.
|
---|
| 336 | * <p>
|
---|
[11466] | 337 | * Made public temporarily, will be made private later.
|
---|
[10486] | 338 | */
|
---|
| 339 | public void fixProjection() {
|
---|
[14120] | 340 | state = state.usingProjection(ProjectionRegistry.getProjection());
|
---|
[10486] | 341 | repaint();
|
---|
| 342 | }
|
---|
| 343 |
|
---|
| 344 | /**
|
---|
[10375] | 345 | * Gets the current view state. This includes the scale, the current view area and the position.
|
---|
| 346 | * @return The current state.
|
---|
| 347 | */
|
---|
| 348 | public MapViewState getState() {
|
---|
| 349 | return state;
|
---|
| 350 | }
|
---|
| 351 |
|
---|
| 352 | /**
|
---|
[5560] | 353 | * Returns the text describing the given distance in the current system of measurement.
|
---|
| 354 | * @param dist The distance in metres.
|
---|
| 355 | * @return the text describing the given distance in the current system of measurement.
|
---|
| 356 | * @since 3406
|
---|
| 357 | */
|
---|
[3406] | 358 | public static String getDistText(double dist) {
|
---|
[8554] | 359 | return SystemOfMeasurement.getSystemOfMeasurement().getDistText(dist);
|
---|
[3406] | 360 | }
|
---|
| 361 |
|
---|
[5560] | 362 | /**
|
---|
[7135] | 363 | * Returns the text describing the given distance in the current system of measurement.
|
---|
| 364 | * @param dist The distance in metres
|
---|
| 365 | * @param format A {@link NumberFormat} to format the area value
|
---|
| 366 | * @param threshold Values lower than this {@code threshold} are displayed as {@code "< [threshold]"}
|
---|
| 367 | * @return the text describing the given distance in the current system of measurement.
|
---|
| 368 | * @since 7135
|
---|
| 369 | */
|
---|
| 370 | public static String getDistText(final double dist, final NumberFormat format, final double threshold) {
|
---|
[8554] | 371 | return SystemOfMeasurement.getSystemOfMeasurement().getDistText(dist, format, threshold);
|
---|
[7135] | 372 | }
|
---|
| 373 |
|
---|
| 374 | /**
|
---|
[9954] | 375 | * Returns the text describing the distance in meter that correspond to 100 px on screen.
|
---|
| 376 | * @return the text describing the distance in meter that correspond to 100 px on screen
|
---|
| 377 | */
|
---|
[6992] | 378 | public String getDist100PixelText() {
|
---|
[3406] | 379 | return getDistText(getDist100Pixel());
|
---|
[1908] | 380 | }
|
---|
| 381 |
|
---|
[9123] | 382 | /**
|
---|
| 383 | * Get the distance in meter that correspond to 100 px on screen.
|
---|
[9243] | 384 | *
|
---|
[9123] | 385 | * @return the distance in meter that correspond to 100 px on screen
|
---|
| 386 | */
|
---|
[6992] | 387 | public double getDist100Pixel() {
|
---|
[9123] | 388 | return getDist100Pixel(true);
|
---|
| 389 | }
|
---|
| 390 |
|
---|
| 391 | /**
|
---|
| 392 | * Get the distance in meter that correspond to 100 px on screen.
|
---|
[9243] | 393 | *
|
---|
[9123] | 394 | * @param alwaysPositive if true, makes sure the return value is always
|
---|
| 395 | * > 0. (Two points 100 px apart can appear to be identical if the user
|
---|
| 396 | * has zoomed out a lot and the projection code does something funny.)
|
---|
| 397 | * @return the distance in meter that correspond to 100 px on screen
|
---|
| 398 | */
|
---|
| 399 | public double getDist100Pixel(boolean alwaysPositive) {
|
---|
[1823] | 400 | int w = getWidth()/2;
|
---|
| 401 | int h = getHeight()/2;
|
---|
[8510] | 402 | LatLon ll1 = getLatLon(w-50, h);
|
---|
| 403 | LatLon ll2 = getLatLon(w+50, h);
|
---|
[9123] | 404 | double gcd = ll1.greatCircleDistance(ll2);
|
---|
| 405 | if (alwaysPositive && gcd <= 0)
|
---|
| 406 | return 0.1;
|
---|
| 407 | return gcd;
|
---|
[1722] | 408 | }
|
---|
| 409 |
|
---|
[1169] | 410 | /**
|
---|
[9076] | 411 | * Returns the current center of the viewport.
|
---|
[9078] | 412 | *
|
---|
[9076] | 413 | * (Use {@link #zoomTo(EastNorth)} to the change the center.)
|
---|
[9078] | 414 | *
|
---|
[9076] | 415 | * @return the current center of the viewport
|
---|
[1169] | 416 | */
|
---|
| 417 | public EastNorth getCenter() {
|
---|
[12074] | 418 | return state.getCenter().getEastNorth();
|
---|
[1169] | 419 | }
|
---|
[422] | 420 |
|
---|
[9076] | 421 | /**
|
---|
| 422 | * Returns the current scale.
|
---|
[9078] | 423 | *
|
---|
[9076] | 424 | * In east/north units per pixel.
|
---|
[9078] | 425 | *
|
---|
[9076] | 426 | * @return the current scale
|
---|
| 427 | */
|
---|
[5670] | 428 | public double getScale() {
|
---|
[10375] | 429 | return state.getScale();
|
---|
[5670] | 430 | }
|
---|
| 431 |
|
---|
[1169] | 432 | /**
|
---|
[16553] | 433 | * Returns geographic coordinates from a specific pixel coordination on the screen.
|
---|
[1169] | 434 | * @param x X-Pixelposition to get coordinate from
|
---|
| 435 | * @param y Y-Pixelposition to get coordinate from
|
---|
| 436 | *
|
---|
[6992] | 437 | * @return Geographic coordinates from a specific pixel coordination on the screen.
|
---|
[1169] | 438 | */
|
---|
| 439 | public EastNorth getEastNorth(int x, int y) {
|
---|
[10375] | 440 | return state.getForView(x, y).getEastNorth();
|
---|
[1169] | 441 | }
|
---|
[422] | 442 |
|
---|
[11367] | 443 | /**
|
---|
| 444 | * Determines the projection bounds of view area.
|
---|
| 445 | * @return the projection bounds of view area
|
---|
| 446 | */
|
---|
[1722] | 447 | public ProjectionBounds getProjectionBounds() {
|
---|
[10375] | 448 | return getState().getViewArea().getProjectionBounds();
|
---|
[2114] | 449 | }
|
---|
[1722] | 450 |
|
---|
[1823] | 451 | /* FIXME: replace with better method - used by MapSlider */
|
---|
| 452 | public ProjectionBounds getMaxProjectionBounds() {
|
---|
| 453 | Bounds b = getProjection().getWorldBoundsLatLon();
|
---|
[2327] | 454 | return new ProjectionBounds(getProjection().latlon2eastNorth(b.getMin()),
|
---|
| 455 | getProjection().latlon2eastNorth(b.getMax()));
|
---|
[2114] | 456 | }
|
---|
[1823] | 457 |
|
---|
| 458 | /* FIXME: replace with better method - used by Main to reset Bounds when projection changes, don't use otherwise */
|
---|
[1722] | 459 | public Bounds getRealBounds() {
|
---|
[10375] | 460 | return getState().getViewArea().getCornerBounds();
|
---|
[2114] | 461 | }
|
---|
[1722] | 462 |
|
---|
[1169] | 463 | /**
|
---|
[11367] | 464 | * Returns unprojected geographic coordinates for a specific pixel position on the screen.
|
---|
[1169] | 465 | * @param x X-Pixelposition to get coordinate from
|
---|
| 466 | * @param y Y-Pixelposition to get coordinate from
|
---|
| 467 | *
|
---|
[11367] | 468 | * @return Geographic unprojected coordinates from a specific pixel position on the screen.
|
---|
[1169] | 469 | */
|
---|
| 470 | public LatLon getLatLon(int x, int y) {
|
---|
| 471 | return getProjection().eastNorth2latlon(getEastNorth(x, y));
|
---|
| 472 | }
|
---|
[422] | 473 |
|
---|
[11367] | 474 | /**
|
---|
| 475 | * Returns unprojected geographic coordinates for a specific pixel position on the screen.
|
---|
| 476 | * @param x X-Pixelposition to get coordinate from
|
---|
| 477 | * @param y Y-Pixelposition to get coordinate from
|
---|
| 478 | *
|
---|
| 479 | * @return Geographic unprojected coordinates from a specific pixel position on the screen.
|
---|
| 480 | */
|
---|
[3594] | 481 | public LatLon getLatLon(double x, double y) {
|
---|
[8510] | 482 | return getLatLon((int) x, (int) y);
|
---|
[3594] | 483 | }
|
---|
| 484 |
|
---|
[11367] | 485 | /**
|
---|
| 486 | * Determines the projection bounds of given rectangle.
|
---|
| 487 | * @param r rectangle
|
---|
| 488 | * @return the projection bounds of {@code r}
|
---|
| 489 | */
|
---|
[9419] | 490 | public ProjectionBounds getProjectionBounds(Rectangle r) {
|
---|
[10458] | 491 | return getState().getViewArea(r).getProjectionBounds();
|
---|
[9419] | 492 | }
|
---|
[9623] | 493 |
|
---|
[1169] | 494 | /**
|
---|
[16553] | 495 | * Returns minimum bounds that will cover a given rectangle.
|
---|
[8470] | 496 | * @param r rectangle
|
---|
[2450] | 497 | * @return Minimum bounds that will cover rectangle
|
---|
| 498 | */
|
---|
| 499 | public Bounds getLatLonBounds(Rectangle r) {
|
---|
[14120] | 500 | return ProjectionRegistry.getProjection().getLatLonBoundsBox(getProjectionBounds(r));
|
---|
[2450] | 501 | }
|
---|
| 502 |
|
---|
[11367] | 503 | /**
|
---|
| 504 | * Creates an affine transform that is used to convert the east/north coordinates to view coordinates.
|
---|
| 505 | * @return The affine transform.
|
---|
| 506 | */
|
---|
[4627] | 507 | public AffineTransform getAffineTransform() {
|
---|
[10375] | 508 | return getState().getAffineTransform();
|
---|
[4627] | 509 | }
|
---|
[4869] | 510 |
|
---|
[2450] | 511 | /**
|
---|
[1169] | 512 | * Return the point on the screen where this Coordinate would be.
|
---|
| 513 | * @param p The point, where this geopoint would be drawn.
|
---|
[11367] | 514 | * @return The point on screen where "point" would be drawn, relative to the own top/left.
|
---|
[1169] | 515 | */
|
---|
[3594] | 516 | public Point2D getPoint2D(EastNorth p) {
|
---|
[1797] | 517 | if (null == p)
|
---|
[1169] | 518 | return new Point();
|
---|
[10375] | 519 | return getState().getPointFor(p).getInView();
|
---|
[1169] | 520 | }
|
---|
[422] | 521 |
|
---|
[11367] | 522 | /**
|
---|
| 523 | * Return the point on the screen where this Coordinate would be.
|
---|
[12163] | 524 | *
|
---|
| 525 | * Alternative: {@link #getState()}, then {@link MapViewState#getPointFor(ILatLon)}
|
---|
[11367] | 526 | * @param latlon The point, where this geopoint would be drawn.
|
---|
| 527 | * @return The point on screen where "point" would be drawn, relative to the own top/left.
|
---|
| 528 | */
|
---|
[12725] | 529 | public Point2D getPoint2D(ILatLon latlon) {
|
---|
[12163] | 530 | if (latlon == null) {
|
---|
[1725] | 531 | return new Point();
|
---|
[12163] | 532 | } else {
|
---|
[14120] | 533 | return getPoint2D(latlon.getEastNorth(ProjectionRegistry.getProjection()));
|
---|
[12163] | 534 | }
|
---|
[1725] | 535 | }
|
---|
[4126] | 536 |
|
---|
[11367] | 537 | /**
|
---|
[12725] | 538 | * Return the point on the screen where this Coordinate would be.
|
---|
| 539 | *
|
---|
| 540 | * Alternative: {@link #getState()}, then {@link MapViewState#getPointFor(ILatLon)}
|
---|
| 541 | * @param latlon The point, where this geopoint would be drawn.
|
---|
| 542 | * @return The point on screen where "point" would be drawn, relative to the own top/left.
|
---|
| 543 | */
|
---|
| 544 | public Point2D getPoint2D(LatLon latlon) {
|
---|
| 545 | return getPoint2D((ILatLon) latlon);
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | /**
|
---|
[11367] | 549 | * Return the point on the screen where this Node would be.
|
---|
[12163] | 550 | *
|
---|
| 551 | * Alternative: {@link #getState()}, then {@link MapViewState#getPointFor(ILatLon)}
|
---|
[11367] | 552 | * @param n The node, where this geopoint would be drawn.
|
---|
| 553 | * @return The point on screen where "node" would be drawn, relative to the own top/left.
|
---|
| 554 | */
|
---|
[3594] | 555 | public Point2D getPoint2D(Node n) {
|
---|
| 556 | return getPoint2D(n.getEastNorth());
|
---|
| 557 | }
|
---|
| 558 |
|
---|
[10827] | 559 | /**
|
---|
[10843] | 560 | * looses precision, may overflow (depends on p and current scale)
|
---|
[10925] | 561 | * @param p east/north
|
---|
| 562 | * @return point
|
---|
[10843] | 563 | * @see #getPoint2D(EastNorth)
|
---|
[10827] | 564 | */
|
---|
[3594] | 565 | public Point getPoint(EastNorth p) {
|
---|
| 566 | Point2D d = getPoint2D(p);
|
---|
| 567 | return new Point((int) d.getX(), (int) d.getY());
|
---|
| 568 | }
|
---|
| 569 |
|
---|
[10827] | 570 | /**
|
---|
[10843] | 571 | * looses precision, may overflow (depends on p and current scale)
|
---|
[10925] | 572 | * @param latlon lat/lon
|
---|
| 573 | * @return point
|
---|
[10843] | 574 | * @see #getPoint2D(LatLon)
|
---|
[12725] | 575 | * @since 12725
|
---|
[10827] | 576 | */
|
---|
[12725] | 577 | public Point getPoint(ILatLon latlon) {
|
---|
[3594] | 578 | Point2D d = getPoint2D(latlon);
|
---|
| 579 | return new Point((int) d.getX(), (int) d.getY());
|
---|
| 580 | }
|
---|
| 581 |
|
---|
[10827] | 582 | /**
|
---|
[10843] | 583 | * looses precision, may overflow (depends on p and current scale)
|
---|
[12725] | 584 | * @param latlon lat/lon
|
---|
| 585 | * @return point
|
---|
| 586 | * @see #getPoint2D(LatLon)
|
---|
| 587 | */
|
---|
| 588 | public Point getPoint(LatLon latlon) {
|
---|
| 589 | return getPoint((ILatLon) latlon);
|
---|
| 590 | }
|
---|
| 591 |
|
---|
| 592 | /**
|
---|
| 593 | * looses precision, may overflow (depends on p and current scale)
|
---|
[10925] | 594 | * @param n node
|
---|
| 595 | * @return point
|
---|
[10843] | 596 | * @see #getPoint2D(Node)
|
---|
[10827] | 597 | */
|
---|
[1725] | 598 | public Point getPoint(Node n) {
|
---|
[3594] | 599 | Point2D d = getPoint2D(n);
|
---|
| 600 | return new Point((int) d.getX(), (int) d.getY());
|
---|
[1725] | 601 | }
|
---|
| 602 |
|
---|
[1169] | 603 | /**
|
---|
[7816] | 604 | * Zoom to the given coordinate and scale.
|
---|
| 605 | *
|
---|
[1169] | 606 | * @param newCenter The center x-value (easting) to zoom to.
|
---|
[5903] | 607 | * @param newScale The scale to use.
|
---|
[1169] | 608 | */
|
---|
[4079] | 609 | public void zoomTo(EastNorth newCenter, double newScale) {
|
---|
[7816] | 610 | zoomTo(newCenter, newScale, false);
|
---|
| 611 | }
|
---|
| 612 |
|
---|
| 613 | /**
|
---|
| 614 | * Zoom to the given coordinate and scale.
|
---|
| 615 | *
|
---|
[10965] | 616 | * @param center The center x-value (easting) to zoom to.
|
---|
| 617 | * @param scale The scale to use.
|
---|
[7816] | 618 | * @param initial true if this call initializes the viewport.
|
---|
| 619 | */
|
---|
[10965] | 620 | public void zoomTo(EastNorth center, double scale, boolean initial) {
|
---|
[1823] | 621 | Bounds b = getProjection().getWorldBoundsLatLon();
|
---|
[9118] | 622 | ProjectionBounds pb = getProjection().getWorldBoundsBoxEastNorth();
|
---|
[10965] | 623 | double newScale = scale;
|
---|
[9118] | 624 | int width = getWidth();
|
---|
| 625 | int height = getHeight();
|
---|
| 626 |
|
---|
| 627 | // make sure, the center of the screen is within projection bounds
|
---|
[10965] | 628 | double east = center.east();
|
---|
| 629 | double north = center.north();
|
---|
[9118] | 630 | east = Math.max(east, pb.minEast);
|
---|
| 631 | east = Math.min(east, pb.maxEast);
|
---|
| 632 | north = Math.max(north, pb.minNorth);
|
---|
| 633 | north = Math.min(north, pb.maxNorth);
|
---|
[10965] | 634 | EastNorth newCenter = new EastNorth(east, north);
|
---|
[9118] | 635 |
|
---|
| 636 | // don't zoom out too much, the world bounds should be at least
|
---|
| 637 | // half the size of the screen
|
---|
| 638 | double pbHeight = pb.maxNorth - pb.minNorth;
|
---|
| 639 | if (height > 0 && 2 * pbHeight < height * newScale) {
|
---|
| 640 | double newScaleH = 2 * pbHeight / height;
|
---|
| 641 | double pbWidth = pb.maxEast - pb.minEast;
|
---|
| 642 | if (width > 0 && 2 * pbWidth < width * newScale) {
|
---|
| 643 | double newScaleW = 2 * pbWidth / width;
|
---|
| 644 | newScale = Math.max(newScaleH, newScaleW);
|
---|
| 645 | }
|
---|
[8413] | 646 | }
|
---|
[9118] | 647 |
|
---|
| 648 | // don't zoom in too much, minimum: 100 px = 1 cm
|
---|
| 649 | LatLon ll1 = getLatLon(width / 2 - 50, height / 2);
|
---|
| 650 | LatLon ll2 = getLatLon(width / 2 + 50, height / 2);
|
---|
[9405] | 651 | if (ll1.isValid() && ll2.isValid() && b.contains(ll1) && b.contains(ll2)) {
|
---|
[10001] | 652 | double dm = ll1.greatCircleDistance(ll2);
|
---|
[10375] | 653 | double den = 100 * getScale();
|
---|
[10001] | 654 | double scaleMin = 0.01 * den / dm / 100;
|
---|
[11452] | 655 | if (newScale < scaleMin && !Double.isInfinite(scaleMin)) {
|
---|
[9118] | 656 | newScale = scaleMin;
|
---|
[2025] | 657 | }
|
---|
[1823] | 658 | }
|
---|
[2758] | 659 |
|
---|
[9818] | 660 | // snap scale to imagery if needed
|
---|
[10375] | 661 | newScale = scaleRound(newScale);
|
---|
[9818] | 662 |
|
---|
[11835] | 663 | // Align to the pixel grid:
|
---|
| 664 | // This is a sub-pixel correction to ensure consistent drawing at a certain scale.
|
---|
| 665 | // For example take 2 nodes, that have a distance of exactly 2.6 pixels.
|
---|
| 666 | // Depending on the offset, the distance in rounded or truncated integer
|
---|
| 667 | // pixels will be 2 or 3. It is preferable to have a consistent distance
|
---|
| 668 | // and not switch back and forth as the viewport moves. This can be achieved by
|
---|
| 669 | // locking an arbitrary point to integer pixel coordinates. (Here the EastNorth
|
---|
| 670 | // origin is used as reference point.)
|
---|
| 671 | // Note that the normal right mouse button drag moves the map by integer pixel
|
---|
| 672 | // values, so it is not an issue in this case. It only shows when zooming
|
---|
| 673 | // in & back out, etc.
|
---|
[11840] | 674 | MapViewState mvs = getState().usingScale(newScale);
|
---|
| 675 | mvs = mvs.movedTo(mvs.getCenter(), newCenter);
|
---|
[11835] | 676 | Point2D enOrigin = mvs.getPointFor(new EastNorth(0, 0)).getInView();
|
---|
[11858] | 677 | // as a result of the alignment, it is common to round "half integer" values
|
---|
| 678 | // like 1.49999, which is numerically unstable; add small epsilon to resolve this
|
---|
| 679 | Point2D enOriginAligned = new Point2D.Double(
|
---|
[13868] | 680 | Math.round(enOrigin.getX()) + ALIGNMENT_EPSILON,
|
---|
| 681 | Math.round(enOrigin.getY()) + ALIGNMENT_EPSILON);
|
---|
[11835] | 682 | EastNorth enShift = mvs.getForView(enOriginAligned.getX(), enOriginAligned.getY()).getEastNorth();
|
---|
| 683 | newCenter = newCenter.subtract(enShift);
|
---|
| 684 |
|
---|
[15041] | 685 | EastNorth oldCenter = getCenter();
|
---|
| 686 | if (!newCenter.equals(oldCenter) || !Utils.equalsEpsilon(getScale(), newScale)) {
|
---|
[7816] | 687 | if (!initial) {
|
---|
[15041] | 688 | pushZoomUndo(oldCenter, getScale());
|
---|
[7816] | 689 | }
|
---|
| 690 | zoomNoUndoTo(newCenter, newScale, initial);
|
---|
[2758] | 691 | }
|
---|
| 692 | }
|
---|
| 693 |
|
---|
| 694 | /**
|
---|
| 695 | * Zoom to the given coordinate without adding to the zoom undo buffer.
|
---|
[7816] | 696 | *
|
---|
[2758] | 697 | * @param newCenter The center x-value (easting) to zoom to.
|
---|
[5903] | 698 | * @param newScale The scale to use.
|
---|
[7816] | 699 | * @param initial true if this call initializes the viewport.
|
---|
[2758] | 700 | */
|
---|
[8093] | 701 | private void zoomNoUndoTo(EastNorth newCenter, double newScale, boolean initial) {
|
---|
[10375] | 702 | if (!Utils.equalsEpsilon(getScale(), newScale)) {
|
---|
| 703 | state = state.usingScale(newScale);
|
---|
[1722] | 704 | }
|
---|
[11840] | 705 | if (!newCenter.equals(getCenter())) {
|
---|
| 706 | state = state.movedTo(state.getCenter(), newCenter);
|
---|
| 707 | }
|
---|
[8093] | 708 | if (!initial) {
|
---|
[7816] | 709 | repaint();
|
---|
| 710 | fireZoomChanged();
|
---|
| 711 | }
|
---|
[1169] | 712 | }
|
---|
[422] | 713 |
|
---|
[11367] | 714 | /**
|
---|
| 715 | * Zoom to given east/north.
|
---|
| 716 | * @param newCenter new center coordinates
|
---|
| 717 | */
|
---|
[1722] | 718 | public void zoomTo(EastNorth newCenter) {
|
---|
[10375] | 719 | zoomTo(newCenter, getScale());
|
---|
[1722] | 720 | }
|
---|
| 721 |
|
---|
[11367] | 722 | /**
|
---|
| 723 | * Zoom to given lat/lon.
|
---|
| 724 | * @param newCenter new center coordinates
|
---|
[12725] | 725 | * @since 12725
|
---|
[11367] | 726 | */
|
---|
[12725] | 727 | public void zoomTo(ILatLon newCenter) {
|
---|
[12778] | 728 | zoomTo(getProjection().latlon2eastNorth(newCenter));
|
---|
[1725] | 729 | }
|
---|
| 730 |
|
---|
[3837] | 731 | /**
|
---|
[12725] | 732 | * Zoom to given lat/lon.
|
---|
| 733 | * @param newCenter new center coordinates
|
---|
| 734 | */
|
---|
| 735 | public void zoomTo(LatLon newCenter) {
|
---|
| 736 | zoomTo((ILatLon) newCenter);
|
---|
| 737 | }
|
---|
| 738 |
|
---|
| 739 | /**
|
---|
[15511] | 740 | * Thread class for smooth scrolling. Made a separate class, so we can safely terminate it.
|
---|
| 741 | */
|
---|
| 742 | private class SmoothScrollThread extends Thread {
|
---|
[15518] | 743 | private boolean doStop;
|
---|
[15511] | 744 | private final EastNorth oldCenter = getCenter();
|
---|
| 745 | private final EastNorth finalNewCenter;
|
---|
[15596] | 746 | private final long frames;
|
---|
[15511] | 747 | private final long sleepTime;
|
---|
| 748 |
|
---|
[15596] | 749 | SmoothScrollThread(EastNorth newCenter, long frameNum, int fps) {
|
---|
[15511] | 750 | super("smooth-scroller");
|
---|
| 751 | finalNewCenter = newCenter;
|
---|
| 752 | frames = frameNum;
|
---|
| 753 | sleepTime = 1000L / fps;
|
---|
| 754 | }
|
---|
| 755 |
|
---|
| 756 | @Override
|
---|
| 757 | public void run() {
|
---|
| 758 | try {
|
---|
| 759 | for (int i = 0; i < frames && !doStop; i++) {
|
---|
[16671] | 760 | final EastNorth z = oldCenter.interpolate(finalNewCenter, (1.0+i) / frames);
|
---|
| 761 | GuiHelper.runInEDTAndWait(() -> {
|
---|
| 762 | zoomTo(z);
|
---|
| 763 | });
|
---|
[15511] | 764 | Thread.sleep(sleepTime);
|
---|
| 765 | }
|
---|
| 766 | } catch (InterruptedException ex) {
|
---|
| 767 | Logging.warn("Interruption during smooth scrolling");
|
---|
| 768 | }
|
---|
| 769 | }
|
---|
| 770 |
|
---|
| 771 | public void stopIt() {
|
---|
| 772 | doStop = true;
|
---|
| 773 | }
|
---|
| 774 | }
|
---|
| 775 |
|
---|
| 776 | /**
|
---|
[9243] | 777 | * Create a thread that moves the viewport to the given center in an animated fashion.
|
---|
| 778 | * @param newCenter new east/north center
|
---|
[3837] | 779 | */
|
---|
| 780 | public void smoothScrollTo(EastNorth newCenter) {
|
---|
[15041] | 781 | final EastNorth oldCenter = getCenter();
|
---|
| 782 | if (!newCenter.equals(oldCenter)) {
|
---|
[15481] | 783 | final int fps = Config.getPref().getInt("smooth.scroll.fps", 20); // animation frames per second
|
---|
| 784 | final int speed = Config.getPref().getInt("smooth.scroll.speed", 1500); // milliseconds for full-screen-width pan
|
---|
| 785 | final int maxtime = Config.getPref().getInt("smooth.scroll.maxtime", 5000); // milliseconds maximum scroll time
|
---|
[10375] | 786 | final double distance = newCenter.distance(oldCenter) / getScale();
|
---|
[15484] | 787 | double milliseconds = distance / getWidth() * speed;
|
---|
[15481] | 788 | if (milliseconds > maxtime) { // prevent overlong scroll time, speed up if necessary
|
---|
| 789 | milliseconds = maxtime;
|
---|
| 790 | }
|
---|
[3837] | 791 |
|
---|
[15511] | 792 | ThreadGroup group = Thread.currentThread().getThreadGroup();
|
---|
| 793 | Thread[] threads = new Thread[group.activeCount()];
|
---|
| 794 | group.enumerate(threads, true);
|
---|
| 795 | boolean stopped = false;
|
---|
| 796 | for (Thread t : threads) {
|
---|
| 797 | if (t instanceof SmoothScrollThread) {
|
---|
[15517] | 798 | ((SmoothScrollThread) t).stopIt();
|
---|
[15511] | 799 | /* handle this case outside in case there is more than one smooth thread */
|
---|
| 800 | stopped = true;
|
---|
[5311] | 801 | }
|
---|
[15511] | 802 | }
|
---|
| 803 | if (stopped && milliseconds > maxtime/2.0) { /* we aren't fast enough, skip smooth */
|
---|
| 804 | Logging.warn("Skip smooth scrolling");
|
---|
| 805 | zoomTo(newCenter);
|
---|
| 806 | } else {
|
---|
[15596] | 807 | long frames = Math.round(milliseconds * fps / 1000);
|
---|
[15605] | 808 | if (frames <= 1)
|
---|
[15596] | 809 | zoomTo(newCenter);
|
---|
| 810 | else
|
---|
| 811 | new SmoothScrollThread(newCenter, frames, fps).start();
|
---|
[15511] | 812 | }
|
---|
[3837] | 813 | }
|
---|
| 814 | }
|
---|
| 815 |
|
---|
[9818] | 816 | public void zoomManyTimes(double x, double y, int times) {
|
---|
[10375] | 817 | double oldScale = getScale();
|
---|
[9818] | 818 | double newScale = scaleZoomManyTimes(times);
|
---|
| 819 | zoomToFactor(x, y, newScale / oldScale);
|
---|
| 820 | }
|
---|
| 821 |
|
---|
[1722] | 822 | public void zoomToFactor(double x, double y, double factor) {
|
---|
[10375] | 823 | double newScale = getScale()*factor;
|
---|
| 824 | EastNorth oldUnderMouse = getState().getForView(x, y).getEastNorth();
|
---|
| 825 | MapViewState newState = getState().usingScale(newScale);
|
---|
| 826 | newState = newState.movedTo(newState.getForView(x, y), oldUnderMouse);
|
---|
| 827 | zoomTo(newState.getCenter().getEastNorth(), newScale);
|
---|
[1722] | 828 | }
|
---|
| 829 |
|
---|
| 830 | public void zoomToFactor(EastNorth newCenter, double factor) {
|
---|
[10375] | 831 | zoomTo(newCenter, getScale()*factor);
|
---|
[1722] | 832 | }
|
---|
| 833 |
|
---|
| 834 | public void zoomToFactor(double factor) {
|
---|
[10375] | 835 | zoomTo(getCenter(), getScale()*factor);
|
---|
[1722] | 836 | }
|
---|
| 837 |
|
---|
[11367] | 838 | /**
|
---|
| 839 | * Zoom to given projection bounds.
|
---|
| 840 | * @param box new projection bounds
|
---|
| 841 | */
|
---|
[1722] | 842 | public void zoomTo(ProjectionBounds box) {
|
---|
[14628] | 843 | double newScale = box.getScale(getWidth(), getHeight());
|
---|
[9818] | 844 | newScale = scaleFloor(newScale);
|
---|
[1722] | 845 | zoomTo(box.getCenter(), newScale);
|
---|
| 846 | }
|
---|
| 847 |
|
---|
[11367] | 848 | /**
|
---|
| 849 | * Zoom to given bounds.
|
---|
| 850 | * @param box new bounds
|
---|
| 851 | */
|
---|
[1722] | 852 | public void zoomTo(Bounds box) {
|
---|
[2327] | 853 | zoomTo(new ProjectionBounds(getProjection().latlon2eastNorth(box.getMin()),
|
---|
| 854 | getProjection().latlon2eastNorth(box.getMax())));
|
---|
[1722] | 855 | }
|
---|
| 856 |
|
---|
[11367] | 857 | /**
|
---|
| 858 | * Zoom to given viewport data.
|
---|
| 859 | * @param viewport new viewport data
|
---|
| 860 | */
|
---|
[7817] | 861 | public void zoomTo(ViewportData viewport) {
|
---|
| 862 | if (viewport == null) return;
|
---|
| 863 | if (viewport.getBounds() != null) {
|
---|
[15767] | 864 | if (!viewport.getBounds().hasExtend()) {
|
---|
| 865 | // see #18623
|
---|
| 866 | BoundingXYVisitor v = new BoundingXYVisitor();
|
---|
| 867 | v.visit(viewport.getBounds());
|
---|
| 868 | zoomTo(v);
|
---|
| 869 | } else {
|
---|
| 870 | zoomTo(viewport.getBounds());
|
---|
| 871 | }
|
---|
| 872 |
|
---|
[7817] | 873 | } else {
|
---|
| 874 | zoomTo(viewport.getCenter(), viewport.getScale(), true);
|
---|
| 875 | }
|
---|
| 876 | }
|
---|
| 877 |
|
---|
| 878 | /**
|
---|
| 879 | * Set the new dimension to the view.
|
---|
[14734] | 880 | * @param v box to zoom to
|
---|
[7817] | 881 | */
|
---|
[14734] | 882 | public void zoomTo(BoundingXYVisitor v) {
|
---|
| 883 | if (v == null) {
|
---|
| 884 | v = new BoundingXYVisitor();
|
---|
[7817] | 885 | }
|
---|
[14734] | 886 | if (v.getBounds() == null) {
|
---|
| 887 | v.visit(getProjection().getWorldBoundsLatLon());
|
---|
[7817] | 888 | }
|
---|
[14734] | 889 |
|
---|
| 890 | // increase bbox. This is required
|
---|
| 891 | // especially if the bbox contains one single node, but helpful
|
---|
| 892 | // in most other cases as well.
|
---|
| 893 | // Do not zoom if the current scale covers the selection, #16706
|
---|
| 894 | final MapView mapView = MainApplication.getMap().mapView;
|
---|
| 895 | final double mapScale = mapView.getScale();
|
---|
| 896 | final double minScale = v.getBounds().getScale(mapView.getWidth(), mapView.getHeight());
|
---|
| 897 | v.enlargeBoundingBoxLogarithmically();
|
---|
| 898 | final double maxScale = v.getBounds().getScale(mapView.getWidth(), mapView.getHeight());
|
---|
| 899 | if (minScale <= mapScale && mapScale < maxScale) {
|
---|
| 900 | mapView.zoomTo(v.getBounds().getCenter());
|
---|
| 901 | } else {
|
---|
| 902 | zoomTo(v.getBounds());
|
---|
[7817] | 903 | }
|
---|
| 904 | }
|
---|
| 905 |
|
---|
[9634] | 906 | private static class ZoomData {
|
---|
[9408] | 907 | private final EastNorth center;
|
---|
[8285] | 908 | private final double scale;
|
---|
[2758] | 909 |
|
---|
[8836] | 910 | ZoomData(EastNorth center, double scale) {
|
---|
[9408] | 911 | this.center = center;
|
---|
[2758] | 912 | this.scale = scale;
|
---|
| 913 | }
|
---|
| 914 |
|
---|
| 915 | public EastNorth getCenterEastNorth() {
|
---|
[9408] | 916 | return center;
|
---|
[2758] | 917 | }
|
---|
| 918 |
|
---|
| 919 | public double getScale() {
|
---|
| 920 | return scale;
|
---|
| 921 | }
|
---|
| 922 | }
|
---|
| 923 |
|
---|
[9623] | 924 | private final transient Stack<ZoomData> zoomUndoBuffer = new Stack<>();
|
---|
| 925 | private final transient Stack<ZoomData> zoomRedoBuffer = new Stack<>();
|
---|
[2758] | 926 | private Date zoomTimestamp = new Date();
|
---|
| 927 |
|
---|
| 928 | private void pushZoomUndo(EastNorth center, double scale) {
|
---|
| 929 | Date now = new Date();
|
---|
[12846] | 930 | if ((now.getTime() - zoomTimestamp.getTime()) > (Config.getPref().getDouble("zoom.undo.delay", 1.0) * 1000)) {
|
---|
[2758] | 931 | zoomUndoBuffer.push(new ZoomData(center, scale));
|
---|
[12846] | 932 | if (zoomUndoBuffer.size() > Config.getPref().getInt("zoom.undo.max", 50)) {
|
---|
[2766] | 933 | zoomUndoBuffer.remove(0);
|
---|
[2760] | 934 | }
|
---|
[2758] | 935 | zoomRedoBuffer.clear();
|
---|
| 936 | }
|
---|
| 937 | zoomTimestamp = now;
|
---|
| 938 | }
|
---|
| 939 |
|
---|
[11367] | 940 | /**
|
---|
| 941 | * Zoom to previous location.
|
---|
| 942 | */
|
---|
[2758] | 943 | public void zoomPrevious() {
|
---|
| 944 | if (!zoomUndoBuffer.isEmpty()) {
|
---|
| 945 | ZoomData zoom = zoomUndoBuffer.pop();
|
---|
[10375] | 946 | zoomRedoBuffer.push(new ZoomData(getCenter(), getScale()));
|
---|
[7816] | 947 | zoomNoUndoTo(zoom.getCenterEastNorth(), zoom.getScale(), false);
|
---|
[2758] | 948 | }
|
---|
| 949 | }
|
---|
| 950 |
|
---|
[11367] | 951 | /**
|
---|
| 952 | * Zoom to next location.
|
---|
| 953 | */
|
---|
[2758] | 954 | public void zoomNext() {
|
---|
| 955 | if (!zoomRedoBuffer.isEmpty()) {
|
---|
| 956 | ZoomData zoom = zoomRedoBuffer.pop();
|
---|
[10375] | 957 | zoomUndoBuffer.push(new ZoomData(getCenter(), getScale()));
|
---|
[7816] | 958 | zoomNoUndoTo(zoom.getCenterEastNorth(), zoom.getScale(), false);
|
---|
[2758] | 959 | }
|
---|
| 960 | }
|
---|
| 961 |
|
---|
[11367] | 962 | /**
|
---|
| 963 | * Determines if zoom history contains "undo" entries.
|
---|
| 964 | * @return {@code true} if zoom history contains "undo" entries
|
---|
| 965 | */
|
---|
[2759] | 966 | public boolean hasZoomUndoEntries() {
|
---|
| 967 | return !zoomUndoBuffer.isEmpty();
|
---|
| 968 | }
|
---|
| 969 |
|
---|
[11367] | 970 | /**
|
---|
| 971 | * Determines if zoom history contains "redo" entries.
|
---|
| 972 | * @return {@code true} if zoom history contains "redo" entries
|
---|
| 973 | */
|
---|
[2759] | 974 | public boolean hasZoomRedoEntries() {
|
---|
| 975 | return !zoomRedoBuffer.isEmpty();
|
---|
| 976 | }
|
---|
| 977 |
|
---|
[3594] | 978 | private BBox getBBox(Point p, int snapDistance) {
|
---|
[2426] | 979 | return new BBox(getLatLon(p.x - snapDistance, p.y - snapDistance),
|
---|
| 980 | getLatLon(p.x + snapDistance, p.y + snapDistance));
|
---|
[2422] | 981 | }
|
---|
| 982 |
|
---|
[3594] | 983 | /**
|
---|
[9243] | 984 | * The *result* does not depend on the current map selection state, neither does the result *order*.
|
---|
[3594] | 985 | * It solely depends on the distance to point p.
|
---|
[9243] | 986 | * @param p point
|
---|
| 987 | * @param predicate predicate to match
|
---|
[3600] | 988 | *
|
---|
[9243] | 989 | * @return a sorted map with the keys representing the distance of their associated nodes to point p.
|
---|
[3594] | 990 | */
|
---|
[9243] | 991 | private Map<Double, List<Node>> getNearestNodesImpl(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
[8338] | 992 | Map<Double, List<Node>> nearestMap = new TreeMap<>();
|
---|
[13434] | 993 | DataSet ds = MainApplication.getLayerManager().getActiveDataSet();
|
---|
[3594] | 994 |
|
---|
| 995 | if (ds != null) {
|
---|
[3600] | 996 | double dist, snapDistanceSq = PROP_SNAP_DISTANCE.get();
|
---|
[3594] | 997 | snapDistanceSq *= snapDistanceSq;
|
---|
| 998 |
|
---|
[3600] | 999 | for (Node n : ds.searchNodes(getBBox(p, PROP_SNAP_DISTANCE.get()))) {
|
---|
[10657] | 1000 | if (predicate.test(n)
|
---|
[8395] | 1001 | && (dist = getPoint2D(n).distanceSq(p)) < snapDistanceSq) {
|
---|
[15611] | 1002 | nearestMap.computeIfAbsent(dist, k -> new LinkedList<>()).add(n);
|
---|
[3594] | 1003 | }
|
---|
| 1004 | }
|
---|
| 1005 | }
|
---|
| 1006 |
|
---|
| 1007 | return nearestMap;
|
---|
[3177] | 1008 | }
|
---|
| 1009 |
|
---|
[1169] | 1010 | /**
|
---|
[3594] | 1011 | * The *result* does not depend on the current map selection state,
|
---|
| 1012 | * neither does the result *order*.
|
---|
| 1013 | * It solely depends on the distance to point p.
|
---|
[3600] | 1014 | *
|
---|
[8419] | 1015 | * @param p the point for which to search the nearest segment.
|
---|
| 1016 | * @param ignore a collection of nodes which are not to be returned.
|
---|
| 1017 | * @param predicate the returned objects have to fulfill certain properties.
|
---|
| 1018 | *
|
---|
[3594] | 1019 | * @return All nodes nearest to point p that are in a belt from
|
---|
| 1020 | * dist(nearest) to dist(nearest)+4px around p and
|
---|
| 1021 | * that are not in ignore.
|
---|
| 1022 | */
|
---|
| 1023 | public final List<Node> getNearestNodes(Point p,
|
---|
| 1024 | Collection<Node> ignore, Predicate<OsmPrimitive> predicate) {
|
---|
| 1025 | List<Node> nearestList = Collections.emptyList();
|
---|
| 1026 |
|
---|
| 1027 | if (ignore == null) {
|
---|
| 1028 | ignore = Collections.emptySet();
|
---|
| 1029 | }
|
---|
| 1030 |
|
---|
| 1031 | Map<Double, List<Node>> nlists = getNearestNodesImpl(p, predicate);
|
---|
| 1032 | if (!nlists.isEmpty()) {
|
---|
| 1033 | Double minDistSq = null;
|
---|
[6258] | 1034 | for (Entry<Double, List<Node>> entry : nlists.entrySet()) {
|
---|
| 1035 | Double distSq = entry.getKey();
|
---|
| 1036 | List<Node> nlist = entry.getValue();
|
---|
[3594] | 1037 |
|
---|
| 1038 | // filter nodes to be ignored before determining minDistSq..
|
---|
| 1039 | nlist.removeAll(ignore);
|
---|
| 1040 | if (minDistSq == null) {
|
---|
| 1041 | if (!nlist.isEmpty()) {
|
---|
| 1042 | minDistSq = distSq;
|
---|
[7005] | 1043 | nearestList = new ArrayList<>();
|
---|
[3594] | 1044 | nearestList.addAll(nlist);
|
---|
| 1045 | }
|
---|
| 1046 | } else {
|
---|
[16630] | 1047 | if (distSq-minDistSq < 16) {
|
---|
[3594] | 1048 | nearestList.addAll(nlist);
|
---|
| 1049 | }
|
---|
| 1050 | }
|
---|
| 1051 | }
|
---|
| 1052 | }
|
---|
| 1053 |
|
---|
| 1054 | return nearestList;
|
---|
| 1055 | }
|
---|
| 1056 |
|
---|
| 1057 | /**
|
---|
| 1058 | * The *result* does not depend on the current map selection state,
|
---|
| 1059 | * neither does the result *order*.
|
---|
| 1060 | * It solely depends on the distance to point p.
|
---|
[3600] | 1061 | *
|
---|
[8419] | 1062 | * @param p the point for which to search the nearest segment.
|
---|
| 1063 | * @param predicate the returned objects have to fulfill certain properties.
|
---|
| 1064 | *
|
---|
[3594] | 1065 | * @return All nodes nearest to point p that are in a belt from
|
---|
| 1066 | * dist(nearest) to dist(nearest)+4px around p.
|
---|
| 1067 | * @see #getNearestNodes(Point, Collection, Predicate)
|
---|
| 1068 | */
|
---|
| 1069 | public final List<Node> getNearestNodes(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1070 | return getNearestNodes(p, null, predicate);
|
---|
| 1071 | }
|
---|
| 1072 |
|
---|
| 1073 | /**
|
---|
[3642] | 1074 | * The *result* depends on the current map selection state IF use_selected is true.
|
---|
[3600] | 1075 | *
|
---|
[3594] | 1076 | * If more than one node within node.snap-distance pixels is found,
|
---|
[3642] | 1077 | * the nearest node selected is returned IF use_selected is true.
|
---|
[3600] | 1078 | *
|
---|
[3642] | 1079 | * Else the nearest new/id=0 node within about the same distance
|
---|
| 1080 | * as the true nearest node is returned.
|
---|
[3600] | 1081 | *
|
---|
[9243] | 1082 | * If no such node is found either, the true nearest node to p is returned.
|
---|
[3600] | 1083 | *
|
---|
[3642] | 1084 | * Finally, if a node is not found at all, null is returned.
|
---|
[3600] | 1085 | *
|
---|
[3177] | 1086 | * @param p the screen point
|
---|
| 1087 | * @param predicate this parameter imposes a condition on the returned object, e.g.
|
---|
| 1088 | * give the nearest node that is tagged.
|
---|
[9243] | 1089 | * @param useSelected make search depend on selection
|
---|
[8419] | 1090 | *
|
---|
[9243] | 1091 | * @return A node within snap-distance to point p, that is chosen by the algorithm described.
|
---|
[1169] | 1092 | */
|
---|
[6992] | 1093 | public final Node getNearestNode(Point p, Predicate<OsmPrimitive> predicate, boolean useSelected) {
|
---|
| 1094 | return getNearestNode(p, predicate, useSelected, null);
|
---|
[6065] | 1095 | }
|
---|
[6070] | 1096 |
|
---|
[6065] | 1097 | /**
|
---|
| 1098 | * The *result* depends on the current map selection state IF use_selected is true
|
---|
| 1099 | *
|
---|
| 1100 | * If more than one node within node.snap-distance pixels is found,
|
---|
| 1101 | * the nearest node selected is returned IF use_selected is true.
|
---|
[6070] | 1102 | *
|
---|
[6065] | 1103 | * If there are no selected nodes near that point, the node that is related to some of the preferredRefs
|
---|
| 1104 | *
|
---|
| 1105 | * Else the nearest new/id=0 node within about the same distance
|
---|
| 1106 | * as the true nearest node is returned.
|
---|
| 1107 | *
|
---|
[9243] | 1108 | * If no such node is found either, the true nearest node to p is returned.
|
---|
[6065] | 1109 | *
|
---|
| 1110 | * Finally, if a node is not found at all, null is returned.
|
---|
| 1111 | *
|
---|
| 1112 | * @param p the screen point
|
---|
| 1113 | * @param predicate this parameter imposes a condition on the returned object, e.g.
|
---|
| 1114 | * give the nearest node that is tagged.
|
---|
[9243] | 1115 | * @param useSelected make search depend on selection
|
---|
[6065] | 1116 | * @param preferredRefs primitives, whose nodes we prefer
|
---|
[8459] | 1117 | *
|
---|
[9243] | 1118 | * @return A node within snap-distance to point p, that is chosen by the algorithm described.
|
---|
[8459] | 1119 | * @since 6065
|
---|
[6065] | 1120 | */
|
---|
| 1121 | public final Node getNearestNode(Point p, Predicate<OsmPrimitive> predicate,
|
---|
[6258] | 1122 | boolean useSelected, Collection<OsmPrimitive> preferredRefs) {
|
---|
[6070] | 1123 |
|
---|
[3594] | 1124 | Map<Double, List<Node>> nlists = getNearestNodesImpl(p, predicate);
|
---|
[6065] | 1125 | if (nlists.isEmpty()) return null;
|
---|
[6070] | 1126 |
|
---|
[6065] | 1127 | if (preferredRefs != null && preferredRefs.isEmpty()) preferredRefs = null;
|
---|
| 1128 | Node ntsel = null, ntnew = null, ntref = null;
|
---|
[6258] | 1129 | boolean useNtsel = useSelected;
|
---|
[6065] | 1130 | double minDistSq = nlists.keySet().iterator().next();
|
---|
[3594] | 1131 |
|
---|
[6258] | 1132 | for (Entry<Double, List<Node>> entry : nlists.entrySet()) {
|
---|
| 1133 | Double distSq = entry.getKey();
|
---|
| 1134 | for (Node nd : entry.getValue()) {
|
---|
[6065] | 1135 | // find the nearest selected node
|
---|
| 1136 | if (ntsel == null && nd.isSelected()) {
|
---|
| 1137 | ntsel = nd;
|
---|
| 1138 | // if there are multiple nearest nodes, prefer the one
|
---|
| 1139 | // that is selected. This is required in order to drag
|
---|
| 1140 | // the selected node if multiple nodes have the same
|
---|
| 1141 | // coordinates (e.g. after unglue)
|
---|
[8384] | 1142 | useNtsel |= Utils.equalsEpsilon(distSq, minDistSq);
|
---|
[6065] | 1143 | }
|
---|
[8384] | 1144 | if (ntref == null && preferredRefs != null && Utils.equalsEpsilon(distSq, minDistSq)) {
|
---|
[6065] | 1145 | List<OsmPrimitive> ndRefs = nd.getReferrers();
|
---|
[16438] | 1146 | if (preferredRefs.stream().anyMatch(ndRefs::contains)) {
|
---|
| 1147 | ntref = nd;
|
---|
[3594] | 1148 | }
|
---|
| 1149 | }
|
---|
[6065] | 1150 | // find the nearest newest node that is within about the same
|
---|
| 1151 | // distance as the true nearest node
|
---|
| 1152 | if (ntnew == null && nd.isNew() && (distSq-minDistSq < 1)) {
|
---|
| 1153 | ntnew = nd;
|
---|
| 1154 | }
|
---|
[1169] | 1155 | }
|
---|
[6065] | 1156 | }
|
---|
[3594] | 1157 |
|
---|
[6065] | 1158 | // take nearest selected, nearest new or true nearest node to p, in that order
|
---|
[6070] | 1159 | if (ntsel != null && useNtsel)
|
---|
[6065] | 1160 | return ntsel;
|
---|
[6070] | 1161 | if (ntref != null)
|
---|
[6065] | 1162 | return ntref;
|
---|
[6070] | 1163 | if (ntnew != null)
|
---|
[6065] | 1164 | return ntnew;
|
---|
| 1165 | return nlists.values().iterator().next().get(0);
|
---|
[1169] | 1166 | }
|
---|
[422] | 1167 |
|
---|
[3642] | 1168 | /**
|
---|
| 1169 | * Convenience method to {@link #getNearestNode(Point, Predicate, boolean)}.
|
---|
[6992] | 1170 | * @param p the screen point
|
---|
| 1171 | * @param predicate this parameter imposes a condition on the returned object, e.g.
|
---|
| 1172 | * give the nearest node that is tagged.
|
---|
[3642] | 1173 | *
|
---|
| 1174 | * @return The nearest node to point p.
|
---|
| 1175 | */
|
---|
| 1176 | public final Node getNearestNode(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1177 | return getNearestNode(p, predicate, true);
|
---|
| 1178 | }
|
---|
| 1179 |
|
---|
[1169] | 1180 | /**
|
---|
[9243] | 1181 | * The *result* does not depend on the current map selection state, neither does the result *order*.
|
---|
[3594] | 1182 | * It solely depends on the distance to point p.
|
---|
[9243] | 1183 | * @param p the screen point
|
---|
| 1184 | * @param predicate this parameter imposes a condition on the returned object, e.g.
|
---|
| 1185 | * give the nearest node that is tagged.
|
---|
[3600] | 1186 | *
|
---|
[3594] | 1187 | * @return a sorted map with the keys representing the perpendicular
|
---|
| 1188 | * distance of their associated way segments to point p.
|
---|
[1169] | 1189 | */
|
---|
[9243] | 1190 | private Map<Double, List<WaySegment>> getNearestWaySegmentsImpl(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
[7005] | 1191 | Map<Double, List<WaySegment>> nearestMap = new TreeMap<>();
|
---|
[13434] | 1192 | DataSet ds = MainApplication.getLayerManager().getActiveDataSet();
|
---|
[2422] | 1193 |
|
---|
[3594] | 1194 | if (ds != null) {
|
---|
[12846] | 1195 | double snapDistanceSq = Config.getPref().getInt("mappaint.segment.snap-distance", 10);
|
---|
[3594] | 1196 | snapDistanceSq *= snapDistanceSq;
|
---|
| 1197 |
|
---|
[12846] | 1198 | for (Way w : ds.searchWays(getBBox(p, Config.getPref().getInt("mappaint.segment.snap-distance", 10)))) {
|
---|
[10657] | 1199 | if (!predicate.test(w)) {
|
---|
[1814] | 1200 | continue;
|
---|
| 1201 | }
|
---|
[3594] | 1202 | Node lastN = null;
|
---|
| 1203 | int i = -2;
|
---|
| 1204 | for (Node n : w.getNodes()) {
|
---|
| 1205 | i++;
|
---|
| 1206 | if (n.isDeleted() || n.isIncomplete()) { //FIXME: This shouldn't happen, raise exception?
|
---|
| 1207 | continue;
|
---|
| 1208 | }
|
---|
| 1209 | if (lastN == null) {
|
---|
| 1210 | lastN = n;
|
---|
| 1211 | continue;
|
---|
| 1212 | }
|
---|
[422] | 1213 |
|
---|
[10001] | 1214 | Point2D pA = getPoint2D(lastN);
|
---|
| 1215 | Point2D pB = getPoint2D(n);
|
---|
| 1216 | double c = pA.distanceSq(pB);
|
---|
| 1217 | double a = p.distanceSq(pB);
|
---|
| 1218 | double b = p.distanceSq(pA);
|
---|
[3594] | 1219 |
|
---|
| 1220 | /* perpendicular distance squared
|
---|
| 1221 | * loose some precision to account for possible deviations in the calculation above
|
---|
| 1222 | * e.g. if identical (A and B) come about reversed in another way, values may differ
|
---|
| 1223 | * -- zero out least significant 32 dual digits of mantissa..
|
---|
| 1224 | */
|
---|
| 1225 | double perDistSq = Double.longBitsToDouble(
|
---|
[8443] | 1226 | Double.doubleToLongBits(a - (a - b + c) * (a - b + c) / 4 / c)
|
---|
[3594] | 1227 | >> 32 << 32); // resolution in numbers with large exponent not needed here..
|
---|
| 1228 |
|
---|
| 1229 | if (perDistSq < snapDistanceSq && a < c + snapDistanceSq && b < c + snapDistanceSq) {
|
---|
[15611] | 1230 | nearestMap.computeIfAbsent(perDistSq, k -> new LinkedList<>()).add(new WaySegment(w, i));
|
---|
[1814] | 1231 | }
|
---|
[3594] | 1232 |
|
---|
| 1233 | lastN = n;
|
---|
[1169] | 1234 | }
|
---|
[3594] | 1235 | }
|
---|
| 1236 | }
|
---|
[422] | 1237 |
|
---|
[3594] | 1238 | return nearestMap;
|
---|
| 1239 | }
|
---|
| 1240 |
|
---|
| 1241 | /**
|
---|
| 1242 | * The result *order* depends on the current map selection state.
|
---|
[16553] | 1243 | * Segments within 10px of p are searched and sorted by their distance to {@code p},
|
---|
[3594] | 1244 | * then, within groups of equally distant segments, prefer those that are selected.
|
---|
[3600] | 1245 | *
|
---|
[3594] | 1246 | * @param p the point for which to search the nearest segments.
|
---|
| 1247 | * @param ignore a collection of segments which are not to be returned.
|
---|
| 1248 | * @param predicate the returned objects have to fulfill certain properties.
|
---|
[8419] | 1249 | *
|
---|
| 1250 | * @return all segments within 10px of p that are not in ignore,
|
---|
| 1251 | * sorted by their perpendicular distance.
|
---|
[3594] | 1252 | */
|
---|
| 1253 | public final List<WaySegment> getNearestWaySegments(Point p,
|
---|
| 1254 | Collection<WaySegment> ignore, Predicate<OsmPrimitive> predicate) {
|
---|
[7005] | 1255 | List<WaySegment> nearestList = new ArrayList<>();
|
---|
| 1256 | List<WaySegment> unselected = new LinkedList<>();
|
---|
[3594] | 1257 |
|
---|
| 1258 | for (List<WaySegment> wss : getNearestWaySegmentsImpl(p, predicate).values()) {
|
---|
| 1259 | // put selected waysegs within each distance group first
|
---|
| 1260 | // makes the order of nearestList dependent on current selection state
|
---|
| 1261 | for (WaySegment ws : wss) {
|
---|
| 1262 | (ws.way.isSelected() ? nearestList : unselected).add(ws);
|
---|
[1169] | 1263 | }
|
---|
[3594] | 1264 | nearestList.addAll(unselected);
|
---|
| 1265 | unselected.clear();
|
---|
[1169] | 1266 | }
|
---|
[3594] | 1267 | if (ignore != null) {
|
---|
| 1268 | nearestList.removeAll(ignore);
|
---|
[1169] | 1269 | }
|
---|
[3594] | 1270 |
|
---|
[1169] | 1271 | return nearestList;
|
---|
| 1272 | }
|
---|
[422] | 1273 |
|
---|
[1169] | 1274 | /**
|
---|
[3594] | 1275 | * The result *order* depends on the current map selection state.
|
---|
[3600] | 1276 | *
|
---|
[8419] | 1277 | * @param p the point for which to search the nearest segments.
|
---|
| 1278 | * @param predicate the returned objects have to fulfill certain properties.
|
---|
| 1279 | *
|
---|
[3594] | 1280 | * @return all segments within 10px of p, sorted by their perpendicular distance.
|
---|
| 1281 | * @see #getNearestWaySegments(Point, Collection, Predicate)
|
---|
| 1282 | */
|
---|
| 1283 | public final List<WaySegment> getNearestWaySegments(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1284 | return getNearestWaySegments(p, null, predicate);
|
---|
| 1285 | }
|
---|
| 1286 |
|
---|
| 1287 | /**
|
---|
[3642] | 1288 | * The *result* depends on the current map selection state IF use_selected is true.
|
---|
[3600] | 1289 | *
|
---|
[8459] | 1290 | * @param p the point for which to search the nearest segment.
|
---|
| 1291 | * @param predicate the returned object has to fulfill certain properties.
|
---|
| 1292 | * @param useSelected whether selected way segments should be preferred.
|
---|
| 1293 | *
|
---|
[3594] | 1294 | * @return The nearest way segment to point p,
|
---|
[3642] | 1295 | * and, depending on use_selected, prefers a selected way segment, if found.
|
---|
[3594] | 1296 | * @see #getNearestWaySegments(Point, Collection, Predicate)
|
---|
[1169] | 1297 | */
|
---|
[6992] | 1298 | public final WaySegment getNearestWaySegment(Point p, Predicate<OsmPrimitive> predicate, boolean useSelected) {
|
---|
[10234] | 1299 | WaySegment wayseg = null;
|
---|
| 1300 | WaySegment ntsel = null;
|
---|
[3594] | 1301 |
|
---|
| 1302 | for (List<WaySegment> wslist : getNearestWaySegmentsImpl(p, predicate).values()) {
|
---|
| 1303 | if (wayseg != null && ntsel != null) {
|
---|
| 1304 | break;
|
---|
| 1305 | }
|
---|
| 1306 | for (WaySegment ws : wslist) {
|
---|
| 1307 | if (wayseg == null) {
|
---|
| 1308 | wayseg = ws;
|
---|
| 1309 | }
|
---|
| 1310 | if (ntsel == null && ws.way.isSelected()) {
|
---|
| 1311 | ntsel = ws;
|
---|
| 1312 | }
|
---|
| 1313 | }
|
---|
| 1314 | }
|
---|
| 1315 |
|
---|
[6992] | 1316 | return (ntsel != null && useSelected) ? ntsel : wayseg;
|
---|
[3594] | 1317 | }
|
---|
[6070] | 1318 |
|
---|
[9073] | 1319 | /**
|
---|
[6065] | 1320 | * The *result* depends on the current map selection state IF use_selected is true.
|
---|
| 1321 | *
|
---|
[8459] | 1322 | * @param p the point for which to search the nearest segment.
|
---|
| 1323 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[10001] | 1324 | * @param useSelected whether selected way segments should be preferred.
|
---|
[8459] | 1325 | * @param preferredRefs - prefer segments related to these primitives, may be null
|
---|
| 1326 | *
|
---|
[6065] | 1327 | * @return The nearest way segment to point p,
|
---|
| 1328 | * and, depending on use_selected, prefers a selected way segment, if found.
|
---|
| 1329 | * Also prefers segments of ways that are related to one of preferredRefs primitives
|
---|
[8459] | 1330 | *
|
---|
[6065] | 1331 | * @see #getNearestWaySegments(Point, Collection, Predicate)
|
---|
| 1332 | * @since 6065
|
---|
| 1333 | */
|
---|
| 1334 | public final WaySegment getNearestWaySegment(Point p, Predicate<OsmPrimitive> predicate,
|
---|
[10234] | 1335 | boolean useSelected, Collection<OsmPrimitive> preferredRefs) {
|
---|
| 1336 | WaySegment wayseg = null;
|
---|
| 1337 | if (preferredRefs != null && preferredRefs.isEmpty())
|
---|
| 1338 | preferredRefs = null;
|
---|
[6070] | 1339 |
|
---|
[14402] | 1340 | for (List<WaySegment> wslist : getNearestWaySegmentsImpl(p, predicate).values()) {
|
---|
[6065] | 1341 | for (WaySegment ws : wslist) {
|
---|
| 1342 | if (wayseg == null) {
|
---|
| 1343 | wayseg = ws;
|
---|
| 1344 | }
|
---|
[14402] | 1345 | if (useSelected && ws.way.isSelected()) {
|
---|
| 1346 | return ws;
|
---|
[6065] | 1347 | }
|
---|
[14402] | 1348 | if (preferredRefs != null && !preferredRefs.isEmpty()) {
|
---|
[6065] | 1349 | // prefer ways containing given nodes
|
---|
[14402] | 1350 | if (preferredRefs.contains(ws.getFirstNode()) || preferredRefs.contains(ws.getSecondNode())) {
|
---|
| 1351 | return ws;
|
---|
[6065] | 1352 | }
|
---|
| 1353 | Collection<OsmPrimitive> wayRefs = ws.way.getReferrers();
|
---|
| 1354 | // prefer member of the given relations
|
---|
| 1355 | for (OsmPrimitive ref: preferredRefs) {
|
---|
| 1356 | if (ref instanceof Relation && wayRefs.contains(ref)) {
|
---|
[14402] | 1357 | return ws;
|
---|
[6065] | 1358 | }
|
---|
| 1359 | }
|
---|
| 1360 | }
|
---|
| 1361 | }
|
---|
| 1362 | }
|
---|
| 1363 | return wayseg;
|
---|
| 1364 | }
|
---|
[3594] | 1365 |
|
---|
| 1366 | /**
|
---|
[3642] | 1367 | * Convenience method to {@link #getNearestWaySegment(Point, Predicate, boolean)}.
|
---|
[6992] | 1368 | * @param p the point for which to search the nearest segment.
|
---|
| 1369 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[3642] | 1370 | *
|
---|
| 1371 | * @return The nearest way segment to point p.
|
---|
| 1372 | */
|
---|
| 1373 | public final WaySegment getNearestWaySegment(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1374 | return getNearestWaySegment(p, predicate, true);
|
---|
| 1375 | }
|
---|
| 1376 |
|
---|
| 1377 | /**
|
---|
[3594] | 1378 | * The *result* does not depend on the current map selection state,
|
---|
| 1379 | * neither does the result *order*.
|
---|
| 1380 | * It solely depends on the perpendicular distance to point p.
|
---|
[3600] | 1381 | *
|
---|
[3594] | 1382 | * @param p the point for which to search the nearest ways.
|
---|
| 1383 | * @param ignore a collection of ways which are not to be returned.
|
---|
| 1384 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[8419] | 1385 | *
|
---|
| 1386 | * @return all nearest ways to the screen point given that are not in ignore.
|
---|
| 1387 | * @see #getNearestWaySegments(Point, Collection, Predicate)
|
---|
[3594] | 1388 | */
|
---|
| 1389 | public final List<Way> getNearestWays(Point p,
|
---|
| 1390 | Collection<Way> ignore, Predicate<OsmPrimitive> predicate) {
|
---|
[7005] | 1391 | Set<Way> wset = new HashSet<>();
|
---|
[3594] | 1392 |
|
---|
[16438] | 1393 | List<Way> nearestList = getNearestWaySegmentsImpl(p, predicate).values().stream()
|
---|
| 1394 | .flatMap(Collection::stream)
|
---|
| 1395 | .filter(ws -> wset.add(ws.way))
|
---|
| 1396 | .map(ws -> ws.way)
|
---|
| 1397 | .collect(Collectors.toList());
|
---|
[1814] | 1398 | if (ignore != null) {
|
---|
[3594] | 1399 | nearestList.removeAll(ignore);
|
---|
[1814] | 1400 | }
|
---|
[3594] | 1401 |
|
---|
| 1402 | return nearestList;
|
---|
[1169] | 1403 | }
|
---|
[422] | 1404 |
|
---|
[1169] | 1405 | /**
|
---|
[3594] | 1406 | * The *result* does not depend on the current map selection state,
|
---|
| 1407 | * neither does the result *order*.
|
---|
| 1408 | * It solely depends on the perpendicular distance to point p.
|
---|
[3600] | 1409 | *
|
---|
[8419] | 1410 | * @param p the point for which to search the nearest ways.
|
---|
| 1411 | * @param predicate the returned object has to fulfill certain properties.
|
---|
| 1412 | *
|
---|
[3594] | 1413 | * @return all nearest ways to the screen point given.
|
---|
| 1414 | * @see #getNearestWays(Point, Collection, Predicate)
|
---|
[1169] | 1415 | */
|
---|
[3594] | 1416 | public final List<Way> getNearestWays(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1417 | return getNearestWays(p, null, predicate);
|
---|
[1169] | 1418 | }
|
---|
[422] | 1419 |
|
---|
[3594] | 1420 | /**
|
---|
| 1421 | * The *result* depends on the current map selection state.
|
---|
| 1422 | *
|
---|
| 1423 | * @param p the point for which to search the nearest segment.
|
---|
| 1424 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[8459] | 1425 | *
|
---|
| 1426 | * @return The nearest way to point p, prefer a selected way if there are multiple nearest.
|
---|
| 1427 | * @see #getNearestWaySegment(Point, Predicate)
|
---|
[3594] | 1428 | */
|
---|
| 1429 | public final Way getNearestWay(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1430 | WaySegment nearestWaySeg = getNearestWaySegment(p, predicate);
|
---|
| 1431 | return (nearestWaySeg == null) ? null : nearestWaySeg.way;
|
---|
| 1432 | }
|
---|
| 1433 |
|
---|
[1169] | 1434 | /**
|
---|
[3594] | 1435 | * The *result* does not depend on the current map selection state,
|
---|
| 1436 | * neither does the result *order*.
|
---|
| 1437 | * It solely depends on the distance to point p.
|
---|
[3600] | 1438 | *
|
---|
[3594] | 1439 | * First, nodes will be searched. If there are nodes within BBox found,
|
---|
| 1440 | * return a collection of those nodes only.
|
---|
[3600] | 1441 | *
|
---|
[3594] | 1442 | * If no nodes are found, search for nearest ways. If there are ways
|
---|
| 1443 | * within BBox found, return a collection of those ways only.
|
---|
[3600] | 1444 | *
|
---|
[3594] | 1445 | * If nothing is found, return an empty collection.
|
---|
[3600] | 1446 | *
|
---|
[8419] | 1447 | * @param p The point on screen.
|
---|
| 1448 | * @param ignore a collection of ways which are not to be returned.
|
---|
| 1449 | * @param predicate the returned object has to fulfill certain properties.
|
---|
| 1450 | *
|
---|
[3594] | 1451 | * @return Primitives nearest to the given screen point that are not in ignore.
|
---|
| 1452 | * @see #getNearestNodes(Point, Collection, Predicate)
|
---|
| 1453 | * @see #getNearestWays(Point, Collection, Predicate)
|
---|
[1169] | 1454 | */
|
---|
[3594] | 1455 | public final List<OsmPrimitive> getNearestNodesOrWays(Point p,
|
---|
| 1456 | Collection<OsmPrimitive> ignore, Predicate<OsmPrimitive> predicate) {
|
---|
| 1457 | List<OsmPrimitive> nearestList = Collections.emptyList();
|
---|
| 1458 | OsmPrimitive osm = getNearestNodeOrWay(p, predicate, false);
|
---|
| 1459 |
|
---|
| 1460 | if (osm != null) {
|
---|
| 1461 | if (osm instanceof Node) {
|
---|
[11367] | 1462 | nearestList = new ArrayList<>(getNearestNodes(p, predicate));
|
---|
[3594] | 1463 | } else if (osm instanceof Way) {
|
---|
[11367] | 1464 | nearestList = new ArrayList<>(getNearestWays(p, predicate));
|
---|
[3594] | 1465 | }
|
---|
| 1466 | if (ignore != null) {
|
---|
| 1467 | nearestList.removeAll(ignore);
|
---|
| 1468 | }
|
---|
| 1469 | }
|
---|
| 1470 |
|
---|
| 1471 | return nearestList;
|
---|
[1169] | 1472 | }
|
---|
[422] | 1473 |
|
---|
[1169] | 1474 | /**
|
---|
[3594] | 1475 | * The *result* does not depend on the current map selection state,
|
---|
| 1476 | * neither does the result *order*.
|
---|
| 1477 | * It solely depends on the distance to point p.
|
---|
[3600] | 1478 | *
|
---|
[8419] | 1479 | * @param p The point on screen.
|
---|
| 1480 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[3594] | 1481 | * @return Primitives nearest to the given screen point.
|
---|
[5903] | 1482 | * @see #getNearestNodesOrWays(Point, Collection, Predicate)
|
---|
[1169] | 1483 | */
|
---|
[3594] | 1484 | public final List<OsmPrimitive> getNearestNodesOrWays(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1485 | return getNearestNodesOrWays(p, null, predicate);
|
---|
[1169] | 1486 | }
|
---|
[454] | 1487 |
|
---|
[1169] | 1488 | /**
|
---|
[3594] | 1489 | * This is used as a helper routine to {@link #getNearestNodeOrWay(Point, Predicate, boolean)}
|
---|
[3642] | 1490 | * It decides, whether to yield the node to be tested or look for further (way) candidates.
|
---|
[3600] | 1491 | *
|
---|
[3594] | 1492 | * @param osm node to check
|
---|
| 1493 | * @param p point clicked
|
---|
[9976] | 1494 | * @param useSelected whether to prefer selected nodes
|
---|
[8419] | 1495 | * @return true, if the node fulfills the properties of the function body
|
---|
[1169] | 1496 | */
|
---|
[9976] | 1497 | private boolean isPrecedenceNode(Node osm, Point p, boolean useSelected) {
|
---|
[3594] | 1498 | if (osm != null) {
|
---|
[9976] | 1499 | if (p.distanceSq(getPoint2D(osm)) <= (4*4)) return true;
|
---|
[6065] | 1500 | if (osm.isTagged()) return true;
|
---|
[9976] | 1501 | if (useSelected && osm.isSelected()) return true;
|
---|
[3594] | 1502 | }
|
---|
[6065] | 1503 | return false;
|
---|
[1169] | 1504 | }
|
---|
[422] | 1505 |
|
---|
[1169] | 1506 | /**
|
---|
[3594] | 1507 | * The *result* depends on the current map selection state IF use_selected is true.
|
---|
[3600] | 1508 | *
|
---|
[3594] | 1509 | * IF use_selected is true, use {@link #getNearestNode(Point, Predicate)} to find
|
---|
| 1510 | * the nearest, selected node. If not found, try {@link #getNearestWaySegment(Point, Predicate)}
|
---|
| 1511 | * to find the nearest selected way.
|
---|
[3600] | 1512 | *
|
---|
[3594] | 1513 | * IF use_selected is false, or if no selected primitive was found, do the following.
|
---|
[3600] | 1514 | *
|
---|
[3594] | 1515 | * If the nearest node found is within 4px of p, simply take it.
|
---|
| 1516 | * Else, find the nearest way segment. Then, if p is closer to its
|
---|
| 1517 | * middle than to the node, take the way segment, else take the node.
|
---|
[3600] | 1518 | *
|
---|
[3594] | 1519 | * Finally, if no nearest primitive is found at all, return null.
|
---|
[1169] | 1520 | *
|
---|
[8459] | 1521 | * @param p The point on screen.
|
---|
| 1522 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[10001] | 1523 | * @param useSelected whether to prefer primitives that are currently selected or referred by selected primitives
|
---|
[8459] | 1524 | *
|
---|
[3594] | 1525 | * @return A primitive within snap-distance to point p,
|
---|
| 1526 | * that is chosen by the algorithm described.
|
---|
[5903] | 1527 | * @see #getNearestNode(Point, Predicate)
|
---|
| 1528 | * @see #getNearestWay(Point, Predicate)
|
---|
[1169] | 1529 | */
|
---|
[10001] | 1530 | public final OsmPrimitive getNearestNodeOrWay(Point p, Predicate<OsmPrimitive> predicate, boolean useSelected) {
|
---|
[6096] | 1531 | Collection<OsmPrimitive> sel;
|
---|
[13434] | 1532 | DataSet ds = MainApplication.getLayerManager().getActiveDataSet();
|
---|
[10001] | 1533 | if (useSelected && ds != null) {
|
---|
[6096] | 1534 | sel = ds.getSelected();
|
---|
| 1535 | } else {
|
---|
| 1536 | sel = null;
|
---|
| 1537 | }
|
---|
[10001] | 1538 | OsmPrimitive osm = getNearestNode(p, predicate, useSelected, sel);
|
---|
[3594] | 1539 |
|
---|
[10001] | 1540 | if (isPrecedenceNode((Node) osm, p, useSelected)) return osm;
|
---|
[6065] | 1541 | WaySegment ws;
|
---|
[10001] | 1542 | if (useSelected) {
|
---|
| 1543 | ws = getNearestWaySegment(p, predicate, useSelected, sel);
|
---|
[6065] | 1544 | } else {
|
---|
[10001] | 1545 | ws = getNearestWaySegment(p, predicate, useSelected);
|
---|
[6065] | 1546 | }
|
---|
| 1547 | if (ws == null) return osm;
|
---|
[3594] | 1548 |
|
---|
[10001] | 1549 | if ((ws.way.isSelected() && useSelected) || osm == null) {
|
---|
[6065] | 1550 | // either (no _selected_ nearest node found, if desired) or no nearest node was found
|
---|
| 1551 | osm = ws.way;
|
---|
| 1552 | } else {
|
---|
| 1553 | int maxWaySegLenSq = 3*PROP_SNAP_DISTANCE.get();
|
---|
| 1554 | maxWaySegLenSq *= maxWaySegLenSq;
|
---|
[3594] | 1555 |
|
---|
[14837] | 1556 | Point2D wp1 = getPoint2D(ws.getFirstNode());
|
---|
| 1557 | Point2D wp2 = getPoint2D(ws.getSecondNode());
|
---|
[3594] | 1558 |
|
---|
[6065] | 1559 | // is wayseg shorter than maxWaySegLenSq and
|
---|
| 1560 | // is p closer to the middle of wayseg than to the nearest node?
|
---|
| 1561 | if (wp1.distanceSq(wp2) < maxWaySegLenSq &&
|
---|
[8510] | 1562 | p.distanceSq(project(0.5, wp1, wp2)) < p.distanceSq(getPoint2D((Node) osm))) {
|
---|
[6065] | 1563 | osm = ws.way;
|
---|
[1169] | 1564 | }
|
---|
| 1565 | }
|
---|
[3594] | 1566 | return osm;
|
---|
[1169] | 1567 | }
|
---|
[422] | 1568 |
|
---|
[1169] | 1569 | /**
|
---|
[3594] | 1570 | * if r = 0 returns a, if r=1 returns b,
|
---|
| 1571 | * if r = 0.5 returns center between a and b, etc..
|
---|
[3600] | 1572 | *
|
---|
[3594] | 1573 | * @param r scale value
|
---|
| 1574 | * @param a root of vector
|
---|
| 1575 | * @param b vector
|
---|
| 1576 | * @return new point at a + r*(ab)
|
---|
| 1577 | */
|
---|
[3652] | 1578 | public static Point2D project(double r, Point2D a, Point2D b) {
|
---|
[3594] | 1579 | Point2D ret = null;
|
---|
| 1580 |
|
---|
| 1581 | if (a != null && b != null) {
|
---|
| 1582 | ret = new Point2D.Double(a.getX() + r*(b.getX()-a.getX()),
|
---|
| 1583 | a.getY() + r*(b.getY()-a.getY()));
|
---|
| 1584 | }
|
---|
| 1585 | return ret;
|
---|
| 1586 | }
|
---|
| 1587 |
|
---|
| 1588 | /**
|
---|
[8459] | 1589 | * The *result* does not depend on the current map selection state, neither does the result *order*.
|
---|
[3594] | 1590 | * It solely depends on the distance to point p.
|
---|
[3600] | 1591 | *
|
---|
[3594] | 1592 | * @param p The point on screen.
|
---|
| 1593 | * @param ignore a collection of ways which are not to be returned.
|
---|
| 1594 | * @param predicate the returned object has to fulfill certain properties.
|
---|
[8459] | 1595 | *
|
---|
| 1596 | * @return a list of all objects that are nearest to point p and
|
---|
| 1597 | * not in ignore or an empty list if nothing was found.
|
---|
[3594] | 1598 | */
|
---|
| 1599 | public final List<OsmPrimitive> getAllNearest(Point p,
|
---|
| 1600 | Collection<OsmPrimitive> ignore, Predicate<OsmPrimitive> predicate) {
|
---|
[7005] | 1601 | Set<Way> wset = new HashSet<>();
|
---|
[3594] | 1602 |
|
---|
[5016] | 1603 | // add nearby ways
|
---|
[16438] | 1604 | List<OsmPrimitive> nearestList = getNearestWaySegmentsImpl(p, predicate).values().stream()
|
---|
| 1605 | .flatMap(Collection::stream)
|
---|
| 1606 | .filter(ws -> wset.add(ws.way))
|
---|
| 1607 | .map(ws -> ws.way)
|
---|
| 1608 | .collect(Collectors.toList());
|
---|
[6070] | 1609 |
|
---|
[5016] | 1610 | // add nearby nodes
|
---|
[16438] | 1611 | getNearestNodesImpl(p, predicate).values()
|
---|
| 1612 | .forEach(nearestList::addAll);
|
---|
[6070] | 1613 |
|
---|
[5016] | 1614 | // add parent relations of nearby nodes and ways
|
---|
[16444] | 1615 | Set<OsmPrimitive> parentRelations = nearestList.stream()
|
---|
| 1616 | .flatMap(o -> o.referrers(Relation.class))
|
---|
| 1617 | .filter(predicate)
|
---|
| 1618 | .collect(Collectors.toSet());
|
---|
| 1619 | nearestList.addAll(parentRelations);
|
---|
[6070] | 1620 |
|
---|
[1814] | 1621 | if (ignore != null) {
|
---|
[3594] | 1622 | nearestList.removeAll(ignore);
|
---|
[1814] | 1623 | }
|
---|
[3594] | 1624 |
|
---|
| 1625 | return nearestList;
|
---|
[1169] | 1626 | }
|
---|
[422] | 1627 |
|
---|
[1169] | 1628 | /**
|
---|
[8459] | 1629 | * The *result* does not depend on the current map selection state, neither does the result *order*.
|
---|
[3594] | 1630 | * It solely depends on the distance to point p.
|
---|
[3600] | 1631 | *
|
---|
[8459] | 1632 | * @param p The point on screen.
|
---|
| 1633 | * @param predicate the returned object has to fulfill certain properties.
|
---|
| 1634 | *
|
---|
[3594] | 1635 | * @return a list of all objects that are nearest to point p
|
---|
| 1636 | * or an empty list if nothing was found.
|
---|
| 1637 | * @see #getAllNearest(Point, Collection, Predicate)
|
---|
| 1638 | */
|
---|
| 1639 | public final List<OsmPrimitive> getAllNearest(Point p, Predicate<OsmPrimitive> predicate) {
|
---|
| 1640 | return getAllNearest(p, null, predicate);
|
---|
| 1641 | }
|
---|
| 1642 |
|
---|
| 1643 | /**
|
---|
[16553] | 1644 | * Returns the projection to be used in calculating stuff.
|
---|
[1169] | 1645 | * @return The projection to be used in calculating stuff.
|
---|
| 1646 | */
|
---|
[1823] | 1647 | public Projection getProjection() {
|
---|
[10375] | 1648 | return state.getProjection();
|
---|
[1169] | 1649 | }
|
---|
[422] | 1650 |
|
---|
[6065] | 1651 | @Override
|
---|
[1169] | 1652 | public String helpTopic() {
|
---|
| 1653 | String n = getClass().getName();
|
---|
| 1654 | return n.substring(n.lastIndexOf('.')+1);
|
---|
[422] | 1655 | }
|
---|
[3116] | 1656 |
|
---|
| 1657 | /**
|
---|
| 1658 | * Return a ID which is unique as long as viewport dimensions are the same
|
---|
[6992] | 1659 | * @return A unique ID, as long as viewport dimensions are the same
|
---|
[3116] | 1660 | */
|
---|
| 1661 | public int getViewID() {
|
---|
[10458] | 1662 | EastNorth center = getCenter();
|
---|
| 1663 | String x = new StringBuilder().append(center.east())
|
---|
| 1664 | .append('_').append(center.north())
|
---|
| 1665 | .append('_').append(getScale())
|
---|
| 1666 | .append('_').append(getWidth())
|
---|
| 1667 | .append('_').append(getHeight())
|
---|
| 1668 | .append('_').append(getProjection()).toString();
|
---|
[6995] | 1669 | CRC32 id = new CRC32();
|
---|
[7082] | 1670 | id.update(x.getBytes(StandardCharsets.UTF_8));
|
---|
[8510] | 1671 | return (int) id.getValue();
|
---|
[3116] | 1672 | }
|
---|
[3406] | 1673 |
|
---|
[3919] | 1674 | /**
|
---|
| 1675 | * Set new cursor.
|
---|
[9243] | 1676 | * @param cursor The new cursor to use.
|
---|
| 1677 | * @param reference A reference object that can be passed to the next set/reset calls to identify the caller.
|
---|
[3919] | 1678 | */
|
---|
| 1679 | public void setNewCursor(Cursor cursor, Object reference) {
|
---|
[8556] | 1680 | cursorManager.setNewCursor(cursor, reference);
|
---|
[3919] | 1681 | }
|
---|
[7082] | 1682 |
|
---|
[9243] | 1683 | /**
|
---|
| 1684 | * Set new cursor.
|
---|
| 1685 | * @param cursor the type of predefined cursor
|
---|
| 1686 | * @param reference A reference object that can be passed to the next set/reset calls to identify the caller.
|
---|
| 1687 | */
|
---|
[3919] | 1688 | public void setNewCursor(int cursor, Object reference) {
|
---|
| 1689 | setNewCursor(Cursor.getPredefinedCursor(cursor), reference);
|
---|
| 1690 | }
|
---|
[7082] | 1691 |
|
---|
[3919] | 1692 | /**
|
---|
| 1693 | * Remove the new cursor and reset to previous
|
---|
[9243] | 1694 | * @param reference Cursor reference
|
---|
[3919] | 1695 | */
|
---|
| 1696 | public void resetCursor(Object reference) {
|
---|
[8556] | 1697 | cursorManager.resetCursor(reference);
|
---|
[3919] | 1698 | }
|
---|
| 1699 |
|
---|
[8556] | 1700 | /**
|
---|
| 1701 | * Gets the cursor manager that is used for this NavigatableComponent.
|
---|
| 1702 | * @return The cursor manager.
|
---|
| 1703 | */
|
---|
| 1704 | public CursorManager getCursorManager() {
|
---|
| 1705 | return cursorManager;
|
---|
[3919] | 1706 | }
|
---|
[6070] | 1707 |
|
---|
[5500] | 1708 | /**
|
---|
[9947] | 1709 | * Get a max scale for projection that describes world in 1/512 of the projection unit
|
---|
[9818] | 1710 | * @return max scale
|
---|
| 1711 | */
|
---|
| 1712 | public double getMaxScale() {
|
---|
| 1713 | ProjectionBounds world = getMaxProjectionBounds();
|
---|
| 1714 | return Math.max(
|
---|
| 1715 | world.maxNorth-world.minNorth,
|
---|
| 1716 | world.maxEast-world.minEast
|
---|
[9947] | 1717 | )/512;
|
---|
[9818] | 1718 | }
|
---|
[422] | 1719 | }
|
---|