public class WebMercator extends java.lang.Object implements MapProjection
Modifier and Type | Field and Description |
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static int |
FROM_LAT_LONG
Indicates a transformation from longitude/latitude.
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static int |
TO_LAT_LONG
Indicates a transformation to longitude/latitude.
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Constructor and Description |
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WebMercator()
Initialises the transformer assuming a forward transformation is from
longitude/latitude WGS84 to Web (spherical) Mercator coordinates.
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WebMercator(int direction)
Initialises the transformer in the given direction.
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Modifier and Type | Method and Description |
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boolean |
doInterpolation()
Indicates whether the transformation should use nearest neighbour (false)
or some interpolator (true).
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java.lang.String |
getDescription()
Provides a general description of the transformation.
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Ellipsoid |
getEllipsoid()
Reports the ellipsoid used in the transformation.
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processing.core.PVector |
invTransformCoords(processing.core.PVector p)
Performs an inverse Web Mercator grid to longitude/latitude transform on the given location.
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processing.core.PVector |
latLongToWebMercator(processing.core.PVector p)
Converts the given longitude/latitude coordinates into Web (spherical) Mercator coordinates.
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void |
setInterpolation(boolean doInterpolation)
Sets whether the transformation should use nearest neighbour (false)
or some interpolator (true).
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processing.core.PVector |
transformCoords(processing.core.PVector p)
Performs a forward longitude/latitude to Web Mercator grid transform on the given location.
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processing.core.PVector |
webMercatorToLatLong(processing.core.PVector p)
Converts the given Web Mercator coordinates to WGS84 longitude/latitude location.
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public static final int FROM_LAT_LONG
public static final int TO_LAT_LONG
public WebMercator()
public WebMercator(int direction)
direction
- Indicates whether transforming to or from longitude/latitude.public processing.core.PVector latLongToWebMercator(processing.core.PVector p)
p
- Longitude/latitude point. Longitude varies within +-180 degrees, latitude within +-88 degrees.public processing.core.PVector webMercatorToLatLong(processing.core.PVector p)
p
- Location of point as an easting and northing in the Web Mercator projection.public processing.core.PVector transformCoords(processing.core.PVector p)
transformCoords
in interface MapProjection
p
- Point coordinates to transform.public processing.core.PVector invTransformCoords(processing.core.PVector p)
invTransformCoords
in interface MapProjection
p
- Point coordinates to transform.public java.lang.String getDescription()
getDescription
in interface MapProjection
public boolean doInterpolation()
public void setInterpolation(boolean doInterpolation)
doInterpolation
- True if transformation should perform some local interpolation.public Ellipsoid getEllipsoid()