Package org.esa.snap.core.image

Class RasterDataNodeSampleOpImage

  • All Implemented Interfaces:
    RenderedImage, javax.media.jai.ImageJAI, javax.media.jai.PropertyChangeEmitter, javax.media.jai.PropertySource, javax.media.jai.WritablePropertySource
    public abstract class RasterDataNodeSampleOpImage
extends RasterDataNodeOpImage
    An RasterDataNodeOpImage that computes its sample values independently of each other.
    Since:
    BEAM 4.9

    • Field Summary

      • Fields inherited from class javax.media.jai.OpImage

        cache, cobbleSources, OP_COMPUTE_BOUND, OP_IO_BOUND, OP_NETWORK_BOUND, tileCacheMetric, tileRecycler

      • Fields inherited from class javax.media.jai.PlanarImage

        colorModel, eventManager, height, minX, minY, properties, sampleModel, tileFactory, tileGridXOffset, tileGridYOffset, tileHeight, tileWidth, width

    • Method Summary

      All Methods Instance Methods Abstract Methods Concrete Methods 
      Modifier and Type Method Description
      protected void computeProductData​(ProductData productData, Rectangle destRect)
      Computes the target pixel data for this level image.
      protected abstract double computeSample​(int sourceX, int sourceY)
      Computes the sample value at the given source pixel coordinates sourceX and sourceY.

      • Methods inherited from class javax.media.jai.SourcelessOpImage

        computesUniqueTiles, computeTile, mapDestRect, mapSourceRect

      • Methods inherited from class javax.media.jai.OpImage

        addTileToCache, cancelTiles, createTile, dispose, getExpandedNumBands, getFormatTags, getOperationComputeType, getTile, getTileCache, getTileCacheMetric, getTileDependencies, getTileFromCache, getTileRecycler, getTiles, hasExtender, mapDestPoint, mapSourcePoint, prefetchTiles, queueTiles, recycleTile, setTileCache, vectorize, vectorize, vectorize

      • Methods inherited from class javax.media.jai.PlanarImage

        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

    • Method Detail

      • computeProductData

        protected void computeProductData​(ProductData productData,
                                  Rectangle destRect)
                           throws IOException
        Description copied from class: RasterDataNodeOpImage
        Computes the target pixel data for this level image.
        Specified by:
        computeProductData in class RasterDataNodeOpImage
        Parameters:
        productData - The target pixel buffer to write to. The number of elements in this buffer will always be region.width * region.height.
        destRect - The target region in pixel coordinates valid for this image level.
        Throws:
        IOException - May be thrown if an I/O error occurs during the computation.

      • computeSample

        protected abstract double computeSample​(int sourceX,
                                        int sourceY)
        Computes the sample value at the given source pixel coordinates sourceX and sourceY.
        Parameters:
        sourceX - The source pixel X coordinate of the sample to be computed.
        sourceY - The source pixel Y coordinate of the sample to be computed.
        Returns:
        The sample value.