public abstract class RasterDataNodeOpImage extends SingleBandedOpImage
OpImage
s acting as source image for
a RasterDataNode
.Modifier | Constructor and Description |
---|---|
protected |
RasterDataNodeOpImage(RasterDataNode rasterDataNode,
ResolutionLevel level)
Constructor.
|
Modifier and Type | Method and Description |
---|---|
protected abstract void |
computeProductData(ProductData productData,
Rectangle region)
Computes the target pixel data for this level image.
|
protected void |
computeRect(javax.media.jai.PlanarImage[] sourceImages,
WritableRaster tile,
Rectangle destRect) |
protected static void |
copyLine(int y,
int destWidth,
ProductData src,
ProductData dest,
int[] sourceCoords) |
protected ProductData |
getGeophysicalProductData(RasterDataNode band,
Rectangle region)
Utility method that allows to retrieve data from a raster data node whose geophysical image shares the same
multi-level model (aka image pyramid model).
|
RasterDataNode |
getRasterDataNode() |
protected ProductData |
getRawProductData(RasterDataNode band,
Rectangle region)
Utility method that allows to retrieve data from a raster data node whose source image shares the same
multi-level model (aka image pyramid model).
|
protected int[] |
getSourceCoords(int sourceLength,
int targetLength)
Utility method which computes source (offset) coordinates for a given source and target lengths.
|
String |
toString() |
computeRect, createNoDataRaster, getLevel, getLevelImageSupport, getScale, getSourceCoord, getSourceHeight, getSourceWidth, getSourceX, getSourceY
computesUniqueTiles, computeTile, mapDestRect, mapSourceRect
addTileToCache, cancelTiles, createTile, dispose, getExpandedNumBands, getFormatTags, getOperationComputeType, getTile, getTileCache, getTileCacheMetric, getTileDependencies, getTileFromCache, getTileRecycler, getTiles, hasExtender, mapDestPoint, mapSourcePoint, prefetchTiles, queueTiles, recycleTile, setTileCache, vectorize, vectorize, vectorize
addPropertyChangeListener, addPropertyChangeListener, addSink, addSink, addSource, addTileComputationListener, copyData, copyData, copyExtendedData, createColorModel, createSnapshot, createWritableRaster, finalize, getAsBufferedImage, getAsBufferedImage, getBounds, getColorModel, getData, getData, getDefaultColorModel, getExtendedData, getGraphics, getHeight, getImageID, getMaxTileX, getMaxTileY, getMaxX, getMaxY, getMinTileX, getMinTileY, getMinX, getMinY, getNumBands, getNumSources, getNumXTiles, getNumYTiles, getProperties, getProperty, getPropertyClass, getPropertyNames, getPropertyNames, getSampleModel, getSinks, getSource, getSourceImage, getSourceObject, getSources, getSplits, getTileComputationListeners, getTileFactory, getTileGridXOffset, getTileGridYOffset, getTileHeight, getTileIndices, getTileRect, getTiles, getTileWidth, getWidth, overlapsMultipleTiles, removeProperty, removePropertyChangeListener, removePropertyChangeListener, removeSink, removeSink, removeSinks, removeSource, removeSources, removeTileComputationListener, setImageLayout, setProperties, setProperty, setSource, setSources, tileXToX, tileXToX, tileYToY, tileYToY, wrapRenderedImage, XToTileX, XToTileX, YToTileY, YToTileY
protected RasterDataNodeOpImage(RasterDataNode rasterDataNode, ResolutionLevel level)
rasterDataNode
- The target raster data node.level
- The resolution level.ResolutionLevel.create(com.bc.ceres.glevel.MultiLevelModel, int)
public RasterDataNode getRasterDataNode()
protected ProductData getGeophysicalProductData(RasterDataNode band, Rectangle region)
band
- A raster data node whose geophysical image shares the same multi-level model.region
- The region in pixel coordinates of the given resolution level (see SingleBandedOpImage.getLevel()
).getRawProductData(RasterDataNode, java.awt.Rectangle)
protected ProductData getRawProductData(RasterDataNode band, Rectangle region)
band
- A raster data node whose source image shares the same multi-level model.region
- The region in pixel coordinates of the given resolution level (see SingleBandedOpImage.getLevel()
).getGeophysicalProductData(RasterDataNode, java.awt.Rectangle)
protected void computeRect(javax.media.jai.PlanarImage[] sourceImages, WritableRaster tile, Rectangle destRect)
computeRect
in class javax.media.jai.OpImage
protected abstract void computeProductData(ProductData productData, Rectangle region) throws IOException
productData
- The target pixel buffer to write to. The number of elements in this buffer will always be
region.width * region.height
.region
- The target region in pixel coordinates valid for this image level.IOException
- May be thrown if an I/O error occurs during the computation.public String toString()
toString
in class javax.media.jai.PlanarImage
protected int[] getSourceCoords(int sourceLength, int targetLength)
sourceLength
- The source length in source pixel units.targetLength
- The target length in target pixel units.targetLength
containing source (offset) coordinates.protected static void copyLine(int y, int destWidth, ProductData src, ProductData dest, int[] sourceCoords)
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