Package com.esri.core.geometry

Class RasterizedGeometry2D

java.lang.Object

com.esri.core.geometry.RasterizedGeometry2D

Direct Known Subclasses:

RasterizedGeometry2DImpl

public abstract class RasterizedGeometry2D
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	RasterizedGeometry2D.HitType

Constructor Summary

Constructors

Constructor	Description
RasterizedGeometry2D()

Method Summary

Modifier and Type	Method	Description
(package private) static boolean	canUseAccelerator(Geometry geom)	Checks whether the RasterizedGeometry2D accelerator can be used with the given geometry.
static RasterizedGeometry2D	create(Geometry geom, double toleranceXY, int rasterSizeBytes)	Creates a rasterized geometry from a given Geometry.
(package private) static RasterizedGeometry2D	create(MultiVertexGeometryImpl geom, double toleranceXY, int rasterSizeBytes)
abstract boolean	dbgSaveToBitmap(java.lang.String fileName)	Dumps the raster to a bmp file for debug purposes.
abstract long	estimateMemorySize()	Returns an estimate of this object size in bytes.
abstract int	getRasterSize()	Returns raster size in bytes
abstract double	getToleranceXY()	Returns the tolerance for which the rasterized Geometry has been built.
abstract RasterizedGeometry2D.HitType	queryEnvelopeInGeometry(Envelope2D env)	Test an envelope against the RasterizedGeometry.
abstract RasterizedGeometry2D.HitType	queryPointInGeometry(double x, double y)	Test a point against the RasterizedGeometry
static int	rasterSizeFromAccelerationDegree(Geometry.GeometryAccelerationDegree accelDegree)

Methods inherited from class java.lang.Object

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

Constructor Detail

RasterizedGeometry2D

public RasterizedGeometry2D()

Method Detail

queryPointInGeometry

public abstract RasterizedGeometry2D.HitType queryPointInGeometry(double x,
                                                                  double y)

Test a point against the RasterizedGeometry

queryEnvelopeInGeometry

public abstract RasterizedGeometry2D.HitType queryEnvelopeInGeometry(Envelope2D env)

Test an envelope against the RasterizedGeometry.

create

public static RasterizedGeometry2D create(Geometry geom,
                                          double toleranceXY,
                                          int rasterSizeBytes)

Creates a rasterized geometry from a given Geometry.

Parameters:

geom - The input geometry to rasterize. It has to be a MultiVertexGeometry instance.

toleranceXY - The tolerance of the rasterization. Raster pixels that are closer than given tolerance to the Geometry will be set.

rasterSizeBytes - The max size of the raster in bytes. The raster has size of rasterSize x rasterSize. Polygons are rasterized into 2 bpp (bits per pixel) rasters while other geometries are rasterized into 1 bpp rasters. 32x32 pixel raster for a polygon would take 256 bytes of memory

create

static RasterizedGeometry2D create(MultiVertexGeometryImpl geom,
                                   double toleranceXY,
                                   int rasterSizeBytes)

rasterSizeFromAccelerationDegree

public static int rasterSizeFromAccelerationDegree(Geometry.GeometryAccelerationDegree accelDegree)

canUseAccelerator

static boolean canUseAccelerator(Geometry geom)

Checks whether the RasterizedGeometry2D accelerator can be used with the given geometry.

getToleranceXY

public abstract double getToleranceXY()

Returns the tolerance for which the rasterized Geometry has been built.

getRasterSize

public abstract int getRasterSize()

Returns raster size in bytes

dbgSaveToBitmap

public abstract boolean dbgSaveToBitmap(java.lang.String fileName)

Dumps the raster to a bmp file for debug purposes.

Parameters:

fileName -

Returns:

true if success, false otherwise.

estimateMemorySize

public abstract long estimateMemorySize()

Returns an estimate of this object size in bytes.

Returns:

Returns an estimate of this object size in bytes.