com.ctreber.acearth.scanbit
Class BitGeneratorMap

java.lang.Object
  com.ctreber.acearth.scanbit.ScanBitGenerator
      com.ctreber.acearth.scanbit.BitGeneratorMap

Direct Known Subclasses:

BitGeneratorMapDefault, BitGeneratorMapOrtho

public abstract class BitGeneratorMap
extends ScanBitGenerator

A BitGeneratorMap scans a map into ScanBits.

© 2002 Christian Treber, [email protected]

Author:

Christian Treber, [email protected]

Field Summary

static int	PixTypeGridLand
static int	PixTypeGridWater
static int	PixTypeLand
static int	PixTypeSpace
static int	PixTypeStar
static int	PixTypeWater

Fields inherited from class com.ctreber.acearth.scanbit.ScanBitGenerator

fScanBitsArray

Constructor Summary

BitGeneratorMap(Projection pProjection)

Method Summary

protected void	addEdgeXing(EdgeCrossing pEdgeXing)
void	generateScanBits() Create outline for the map, scan all polygons.
protected abstract Comparator	getEdgeXingComparator()
protected abstract void	handleCrossings(com.ctreber.acearth.scanbit.ScanBuf pScanBuf, EdgeCrossing[] pEdgeCrossings)
protected abstract com.ctreber.acearth.scanbit.ScanBuf	scanOutline()
protected abstract void	scanPolygon(com.ctreber.acearth.scanbit.ScanBuf pScanBuf, Point3D[] pPoints3D, Point2D[] pPoints2D, int pIndex)
void	setMapData(Polygon[] pMapData)

Methods inherited from class com.ctreber.acearth.scanbit.ScanBitGenerator

getScanBits, setImageHeight, setImageWidth

Methods inherited from class java.lang.Object

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

Field Detail

PixTypeSpace

public static final int PixTypeSpace

See Also:

Constant Field Values

PixTypeLand

public static final int PixTypeLand

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Constant Field Values

PixTypeWater

public static final int PixTypeWater

See Also:

Constant Field Values

PixTypeStar

public static final int PixTypeStar

See Also:

Constant Field Values

PixTypeGridLand

public static final int PixTypeGridLand

See Also:

Constant Field Values

PixTypeGridWater

public static final int PixTypeGridWater

See Also:

Constant Field Values

Constructor Detail

BitGeneratorMap

public BitGeneratorMap(Projection pProjection)

Method Detail

scanOutline

protected abstract com.ctreber.acearth.scanbit.ScanBuf scanOutline()

handleCrossings

protected abstract void handleCrossings(com.ctreber.acearth.scanbit.ScanBuf pScanBuf,
                                        EdgeCrossing[] pEdgeCrossings)

getEdgeXingComparator

protected abstract Comparator getEdgeXingComparator()

scanPolygon

protected abstract void scanPolygon(com.ctreber.acearth.scanbit.ScanBuf pScanBuf,
                                    Point3D[] pPoints3D,
                                    Point2D[] pPoints2D,
                                    int pIndex)

generateScanBits

public void generateScanBits()

Create outline for the map, scan all polygons.

Specified by:

generateScanBits in class ScanBitGenerator

setMapData

public void setMapData(Polygon[] pMapData)

addEdgeXing

protected void addEdgeXing(EdgeCrossing pEdgeXing)