Package org.openstreetmap.josm.gui

Class MapViewState.MapViewPoint

java.lang.Object

org.openstreetmap.josm.gui.MapViewState.MapViewPoint

Direct Known Subclasses:

MapViewState.MapViewEastNorthPoint, MapViewState.MapViewViewPoint

Enclosing class:

MapViewState

public abstract class MapViewState.MapViewPoint
extends java.lang.Object

A class representing a point in the map view. It allows to convert between the different coordinate systems.

Constructor Summary

Constructors

Constructor	Description
MapViewPoint()

Method Summary

Modifier and Type	Method	Description
MapViewState.MapViewPoint	add(EastNorth en)	Add the given offset to this point
double	distanceToInView(MapViewState.MapViewPoint p2)	Gets the distance between this point and an other point.
double	distanceToInViewSq(MapViewState.MapViewPoint p2)	Gets the squared distance between this point and an other point.
EastNorth	getEastNorth()	Gets the EastNorth coordinate of this point.
java.awt.geom.Point2D	getInView()	Get this point in view coordinates.
abstract double	getInViewX()	Get the x coordinate in view space without creating an intermediate object.
abstract double	getInViewY()	Get the y coordinate in view space without creating an intermediate object.
java.awt.geom.Point2D	getInWindow()	Convert this point to window coordinates.
LatLon	getLatLon()	Gets the current position in LatLon coordinates according to the current projection.
LatLon	getLatLonClamped()	Gets the latlon coordinate clamped to the current world area.
MapViewState	getMapViewState()	Gets the map view state this path is used for.
java.awt.geom.Point2D	getOnScreen()	Convert this point to screen coordinates.
int	getOutsideRectangleFlags(MapViewState.MapViewRectangle rect)	Gets the direction in which this point is outside of the given view rectangle.
private java.awt.geom.Point2D.Double	getUsingCorner(java.awt.Point corner)
private boolean	inRange(double val, int min, double max)
MapViewState.MapViewPoint	interpolate(MapViewState.MapViewPoint p1, double i)	Do a linear interpolation to the other point
boolean	isInView()	Check if this point is inside the view bounds.
double	oneNormInView(MapViewState.MapViewPoint p2)	Gets the sum of the x/y view distances between the points.
MapViewState.MapViewRectangle	rectTo(MapViewState.MapViewPoint other)	Create a rectangle from this to the other point.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MapViewPoint

public MapViewPoint()

Method Detail

getMapViewState

public MapViewState getMapViewState()

Gets the map view state this path is used for.

Returns:

The state.

Since:

12505

getInView

public java.awt.geom.Point2D getInView()

Get this point in view coordinates.

Returns:

The point in view coordinates.

getInViewX

public abstract double getInViewX()

Get the x coordinate in view space without creating an intermediate object.

Returns:

The x coordinate

Since:

10827

getInViewY

public abstract double getInViewY()

Get the y coordinate in view space without creating an intermediate object.

Returns:

The y coordinate

Since:

10827

getInWindow

public java.awt.geom.Point2D getInWindow()

Convert this point to window coordinates.

Returns:

The point in window coordinates.

getOnScreen

public java.awt.geom.Point2D getOnScreen()

Convert this point to screen coordinates.

Returns:

The point in screen coordinates.

getUsingCorner

private java.awt.geom.Point2D.Double getUsingCorner(java.awt.Point corner)

getEastNorth

public EastNorth getEastNorth()

Gets the EastNorth coordinate of this point.

Returns:

The east/north coordinate.

rectTo

public MapViewState.MapViewRectangle rectTo(MapViewState.MapViewPoint other)

Create a rectangle from this to the other point.

Parameters:

other - The other point. Needs to be of the same MapViewState

Returns:

A rectangle.

getLatLon

public LatLon getLatLon()

Gets the current position in LatLon coordinates according to the current projection.

Returns:

The position as LatLon.

See Also:

getLatLonClamped()

getLatLonClamped

public LatLon getLatLonClamped()

Gets the latlon coordinate clamped to the current world area.

Returns:

The lat/lon coordinate

Since:

10805

add

public MapViewState.MapViewPoint add(EastNorth en)

Add the given offset to this point

Parameters:

en - The offset in east/north space.

Returns:

The new point

Since:

10651

isInView

public boolean isInView()

Check if this point is inside the view bounds. This is the case iff getOutsideRectangleFlags(getViewArea()) returns no flags

Returns:

true if it is.

Since:

10827

inRange

private boolean inRange(double val,
                        int min,
                        double max)

getOutsideRectangleFlags

public int getOutsideRectangleFlags(MapViewState.MapViewRectangle rect)

Gets the direction in which this point is outside of the given view rectangle.

Parameters:

rect - The rectangle to check against.

Returns:

The direction in which it is outside of the view, as OUTSIDE_... flags.

Since:

10827

oneNormInView

public double oneNormInView(MapViewState.MapViewPoint p2)

Gets the sum of the x/y view distances between the points. |x1 - x2| + |y1 - y2|

Parameters:

p2 - The other point

Returns:

The norm

Since:

10827

distanceToInViewSq

public double distanceToInViewSq(MapViewState.MapViewPoint p2)

Gets the squared distance between this point and an other point.

Parameters:

p2 - The other point

Returns:

The squared distance.

Since:

10827

distanceToInView

public double distanceToInView(MapViewState.MapViewPoint p2)

Gets the distance between this point and an other point.

Parameters:

p2 - The other point

Returns:

The distance.

Since:

10827

interpolate

public MapViewState.MapViewPoint interpolate(MapViewState.MapViewPoint p1,
                                             double i)

Do a linear interpolation to the other point

Parameters:

p1 - The other point

i - The interpolation factor. 0 is at the current point, 1 at the other point.

Returns:

The new point

Since:

10874