Application: gvSIG desktop » gvSIG raster

import java.awt.geom.Rectangle2D;

import java.util.ArrayList;

import java.util.List;

import org.gvsig.fmap.dal.coverage.dataset.Buffer;

import org.gvsig.raster.impl.datastruct.ExtentImpl;

import org.gvsig.raster.impl.provider.fusion.BufferListFusion.PixelSquareStructure;

	protected SubSquareList     subSquareList = null;

	protected byte[]            dataByte      = null;

	protected short[]           dataShort     = null;

	protected int[]             dataInt       = null;

	protected float[]           dataFloat     = null;

	protected double[]          dataDouble    = null;

	public class SubSquareList extends ArrayList<SubSquare> {

		private static final long serialVersionUID = 1L;

		private int[]             coords           = new int[2];

		public void getByteValue(int row, int col, byte[] data) {

			for (int i = 0; i < size(); i++) {

				if(get(i).isInside(row, col)) {

					get(i).loadLocalCoords(row, col, coords);

					get(i).getBuffer().getElemByte(coords[0], coords[1], data);

					return;

				}

			}

		}

		public void getFloatValue(int row, int col, float[] data) {

			for (int i = 0; i < size(); i++) {

				if(get(i).isInside(row, col)) {

					get(i).loadLocalCoords(row, col, coords);

					get(i).getBuffer().getElemFloat(coords[0], coords[1], data);

					return;

				}

			}

		}

	public FirstFusionMethod(

			List<Buffer> bufferList, 

			PixelSquareStructure pxSquare) {

		super(pxSquare);

		switch (pxSquare.dataType) {

		case Buffer.TYPE_BYTE:

			dataByte = new byte[pxSquare.bandCount];

			break;

		case Buffer.TYPE_SHORT:

			dataShort = new short[pxSquare.bandCount];

			break;

		case Buffer.TYPE_INT:

			dataInt = new int[pxSquare.bandCount];

			break;

		case Buffer.TYPE_FLOAT:

			dataFloat = new float[pxSquare.bandCount];

			break;

		case Buffer.TYPE_DOUBLE:

			dataDouble = new double[pxSquare.bandCount];

			break;

		}

		subSquareList = new SubSquareList();

		for (int i = 0; i < bufferList.size(); i++) {

			SubSquare square = new SubSquare(

					pxSquare.bbox, 

					new Rectangle2D.Double(0, 0, pxSquare.width, pxSquare.height),

					new ExtentImpl(bufferList.get(i).getDataExtent()),

					new Rectangle2D.Double(0, 0, bufferList.get(i).getWidth(), bufferList.get(i).getHeight()),

					bufferList.get(i));

			subSquareList.add(square);

		}

	public byte[] getByteValue(int row, int col) {

		for (int i = 0; i < dataByte.length; i++) {

			dataByte[i] = pxSquare.nodata.getValue().byteValue();

		}

		subSquareList.getByteValue(row, col, dataByte);

		return dataByte;

	}

	public float[] getFloatValue(int row, int col) {

		for (int i = 0; i < dataFloat.length; i++) {

			dataFloat[i] = pxSquare.nodata.getValue().byteValue();

		}

		subSquareList.getFloatValue(row, col, dataFloat);

		return dataFloat;