Index: applications/editors/josm/plugins/multipoly/README
===================================================================
--- applications/editors/josm/plugins/multipoly/README (revision 18079)
+++ applications/editors/josm/plugins/multipoly/README (revision 18079)
@@ -0,0 +1,10 @@
+This plugin allows creating multipolygon by one click, which is easier than using traditional way using relation editor.
+Just select some ways and press the button. Polygon will automatically detect which of the ways is the outer way and assign roles automatically.
+
+The plugin check the ways to be closed to avoid creating invalid multipolygon.
+
+Known limitations:
+ * Creates only one multipolygon at time - if you select ways that could form two separate multipolygons, results won't be what you expect.
+ * Does not know about "advanced multipolygons", where some ways may be consisting of more than one ways
+ * The check which way is outer may not work perfectly if some of the inner ways cross the outer way and protrude significantly from it.
+ (so in fact there are more outer ways and the multipolygon is "invalid")
Index: applications/editors/josm/plugins/multipoly/build.xml
===================================================================
--- applications/editors/josm/plugins/multipoly/build.xml (revision 18079)
+++ applications/editors/josm/plugins/multipoly/build.xml (revision 18079)
@@ -0,0 +1,77 @@
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Index: applications/editors/josm/plugins/multipoly/license
===================================================================
--- applications/editors/josm/plugins/multipoly/license (revision 18079)
+++ applications/editors/josm/plugins/multipoly/license (revision 18079)
@@ -0,0 +1,339 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
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+
+ , 1 April 1989
+ Ty Coon, President of Vice
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+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
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+library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
Index: applications/editors/josm/plugins/multipoly/src/multipoly/MultipolyAction.java
===================================================================
--- applications/editors/josm/plugins/multipoly/src/multipoly/MultipolyAction.java (revision 18079)
+++ applications/editors/josm/plugins/multipoly/src/multipoly/MultipolyAction.java (revision 18079)
@@ -0,0 +1,134 @@
+// License: GPL.
+package multipoly;
+
+import static org.openstreetmap.josm.tools.I18n.tr;
+
+import java.awt.event.*;
+import java.util.*;
+
+import javax.swing.JOptionPane;
+
+import org.openstreetmap.josm.actions.JosmAction;
+import org.openstreetmap.josm.Main;
+import org.openstreetmap.josm.command.*;
+import org.openstreetmap.josm.data.coor.EastNorth;
+import org.openstreetmap.josm.data.osm.*;
+import org.openstreetmap.josm.tools.*;
+
+/**
+ * Create multipolygon from selected ways automatically.
+ *
+ * New relation with type=multipolygon is created
+ *
+ * If one or more of ways is already in relation with type=multipolygon or the way os not closed,
+ * then error is reported and no relation is created
+ *
+ * The "inner" and "outer" roles are guessed automatically.
+ * First, bbox is calculated for each way. then the largest area is assumed to be outside
+ * and the rest inside
+ * In cases with one "outside" area and several cut-ins, the guess should be always good ...
+ * In more complex (multiple outer areas) or buggy (inner and outer ways intersect) scenarios
+ * the result is likely to be wrong.
+ */
+public class MultipolyAction extends JosmAction {
+
+ public MultipolyAction() {
+ super(tr("Create multipolygon"), null, tr("Create multipolygon."),
+ Shortcut.registerShortcut("tools:multipoly", tr("Tool: {0}", tr("Create multipolygon")),
+ KeyEvent.VK_M, Shortcut.GROUP_EDIT, Shortcut.SHIFT_DEFAULT), true);
+ setEnabled(true);
+ }
+
+ /**
+ * The action button has been clicked
+ * @param e Action Event
+ */
+ @Override public void actionPerformed(ActionEvent e) {
+
+ // Get all ways in some type=multipolygon relation
+ HashSet relationsInMulti = new HashSet();
+ for (Relation r : Main.main.getCurrentDataSet().relations) {
+ if (!r.isUsable()) continue;
+ if (r.get("type")!="multipolygon") continue;
+ for (RelationMember rm : r.getMembers()) {
+ OsmPrimitive m=rm.getMember();
+ if (m instanceof Way) {
+ relationsInMulti.add(m);
+ }
+ }
+ }
+
+ //List of selected ways
+ List selectedWays = new ArrayList();;
+ //Area of largest way (in square degrees)
+ double maxarea=0;
+ //Which way is the largest one (outer)
+ Way maxWay=null;
+
+ // For every selected way
+ for (OsmPrimitive osm : Main.main.getCurrentDataSet().getSelected()) {
+ if (osm instanceof Way) {
+ Way way = (Way)osm;
+ //Check if way is already in another multipolygon
+ if (relationsInMulti.contains(osm)) {
+ JOptionPane.showMessageDialog(Main.parent,tr("One of the selected ways is already part of another multipolygon."));
+ return;
+ }
+ EastNorth first=null,last=null;
+ //Boundingbox of way
+ double minx=9999,miny=9999,maxx=-9999,maxy=-9999;
+ for (Pair seg : way.getNodePairs(false)) {
+ if (first==null) first=seg.a.getEastNorth();
+ last=seg.b.getEastNorth();
+ double x=seg.a.getEastNorth().east();
+ double y=seg.a.getEastNorth().north();
+ if (xmaxx) maxx=x;
+ if (y>maxy) maxy=y;
+ }
+ //Check if first and last node are the same
+ if (!first.equals(last)) {
+ JOptionPane.showMessageDialog(Main.parent,tr("Multipolygon must consist only of closed ways."));
+ return;
+ }
+ //Determine area
+ double area=(maxx-minx)*(maxy-miny);
+ selectedWays.add(way);
+ if (area>maxarea) {
+ maxarea=area;
+ maxWay=way;
+ }
+ }
+ }
+
+ if (Main.map == null) {
+ JOptionPane.showMessageDialog(Main.parent, tr("No data loaded."));
+ return;
+ }
+
+ if (selectedWays.size()<2) {
+ JOptionPane.showMessageDialog(Main.parent, tr("You must select at least two ways."));
+ return;
+ }
+
+ Collection cmds = new LinkedList();
+ //Create new relation
+ Relation rel=new Relation();
+ rel.put("type","multipolygon");
+ //Add ways to it
+ for (int i=0;i