gvsig-geoprocess / org.gvsig.sextante / trunk / org.gvsig.sextante.app / org.gvsig.sextante.app.extension / src / main / java / org / gvsig / sextante / app / extension / core / gvRasterLayer.java @ 31
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package org.gvsig.sextante.app.extension.core; |
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import java.awt.geom.Rectangle2D; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.dal.store.raster.RasterStoreParameters; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.grid.Grid; |
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import org.gvsig.raster.grid.GridException; |
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import es.unex.sextante.dataObjects.AbstractRasterLayer; |
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import es.unex.sextante.dataObjects.IRasterLayer; |
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import es.unex.sextante.rasterWrappers.GridExtent; |
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public class gvRasterLayer extends AbstractRasterLayer { |
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private IProjection m_Projection = null; |
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private Grid layerGrid = null; |
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private String m_sFilename = null; |
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private double DEFAULT_NO_DATA_VALUE = -99999.; |
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public void create(String sName, Object inputParams, |
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GridExtent ge, int iDataType,
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int iNumBands, Object crs) { |
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if(inputParams instanceof RasterStoreParameters) { |
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create( sName, ((RasterStoreParameters)inputParams).getFileName(), |
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ge, iDataType, iNumBands, crs); |
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} |
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} |
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public void create(String sName, String sFilename, |
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GridExtent ge, int iDataType,
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int iNumBands, Object crs) { |
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RasterMemoryDriver rmd = new RasterMemoryDriver(ge, iDataType, iNumBands);
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rmd.setName(sName); |
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//rmd.setProjection((IProjection) crs);
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rmd.setNoDataValue(DEFAULT_NO_DATA_VALUE); |
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m_BaseDataObject = rmd; |
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m_sFilename = sFilename; |
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if(crs instanceof IProjection) |
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m_Projection = (IProjection) crs; |
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} |
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public void create(String sName, String sFilename, |
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GridExtent ge, int iDataType, Object crs) { |
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create(sName, sFilename, ge, iDataType, 1, crs);
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} |
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public void create(Object obj) { |
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if (obj instanceof FLyrRasterSE){ |
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m_BaseDataObject = obj; |
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m_Projection = ((FLyrRasterSE)obj).getProjection(); |
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} |
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} |
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public int getDataType() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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return layer.getDataType()[0]; |
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getRasterBuf().getDataType();
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} |
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return 0; |
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} |
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public void assign(double dValue) { |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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super.assign(dValue);
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} |
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} |
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public void assign(IRasterLayer layer) { |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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super.assign(layer);
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} |
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} |
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public void setCellValue(int x, int y, int iBand, double dValue) { |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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layer.setCellValue(x,y, iBand, dValue); |
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} |
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} |
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public void setNoDataValue(double dNoDataValue) { |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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layer.setNoDataValue(dNoDataValue); |
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} |
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else if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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layer.setNoDataValue(dNoDataValue); |
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} |
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} |
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public void setNoData(int x, int y) { |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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layer.setNoData(x, y); |
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} |
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} |
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public double getNoDataValue(){ |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getNoDataValue();
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} |
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else if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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return layer.getNoDataValue();
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} |
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return 0; |
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} |
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public double getCellValueInLayerCoords(int x, int y, int band) { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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//FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject;
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int iType = layerGrid.getDataType();
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if (iType == RasterBuffer.TYPE_DOUBLE) {
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return layerGrid.getRasterBuf().getElemDouble(y, x, band);
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} else if (iType == RasterBuffer.TYPE_INT) { |
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return (double) layerGrid.getRasterBuf().getElemInt(y, x, band); |
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} else if (iType == RasterBuffer.TYPE_FLOAT) { |
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return (double) layerGrid.getRasterBuf().getElemFloat(y, x, band); |
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} else if (iType == RasterBuffer.TYPE_BYTE) { |
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return (double) ( layerGrid.getRasterBuf().getElemByte(y, x, band) & 0xff); |
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} else if ((iType == RasterBuffer.TYPE_SHORT) | (iType == RasterBuffer.TYPE_USHORT)) { |
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return (double) layerGrid.getRasterBuf().getElemShort(y, x, band); |
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} |
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return layerGrid.getNoDataValue();
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getCellValue(x, y, band);
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} |
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return getNoDataValue();
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} |
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public int getBandsCount() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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return layer.getBandCount();
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getRasterBuf().getBandCount();
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} |
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return 0; |
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} |
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public void fitToGridExtent(GridExtent ge){ |
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int iNX, iNY;
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int x, y;
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int iBand;
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if (ge != null){ |
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if (!ge.equals(getWindowGridExtent()) ){
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver gvSIGDriver = (RasterMemoryDriver) m_BaseDataObject; |
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FLyrRasterSE gvSIGLayer = gvSIGDriver.getRasterLayer(Long.toString(System.currentTimeMillis()).toString(), |
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m_Projection); |
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gvRasterLayer orgLayer = new gvRasterLayer();
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orgLayer.create(gvSIGLayer); |
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iNX = ge.getNX(); |
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iNY = ge.getNY(); |
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m_BaseDataObject = null;
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create(this.getName(), m_sFilename, ge, this.getDataType(), this.getBandsCount()); |
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for (iBand = 0; iBand < this.getBandsCount(); iBand++){ |
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for (y = 0; y < iNY; y++){ |
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for (x = 0; x < iNX; x++){ |
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setCellValue(x, y, iBand, orgLayer.getCellValueAsDouble(x, y, iBand)); |
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} |
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} |
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} |
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} |
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} |
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} |
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} |
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public String getName() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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return layer.getName();
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getName();
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} |
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return null; |
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} |
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public void postProcess() { |
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if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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if (layer.export(m_sFilename, m_Projection)){
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FLyrRasterSE rasterLayer = (FLyrRasterSE) FileTools.openLayer(m_sFilename, |
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layer.getName(), null);
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create(rasterLayer); |
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rasterLayer.setNoDataValue(layer.getNoDataValue()); |
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System.gc();
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} |
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} |
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} |
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public void open() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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try {
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layerGrid = layer.getReadOnlyFullGrid(false);
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} catch (GridException e) {
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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e.printStackTrace(); |
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} |
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} |
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} |
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public void close() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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//FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject;
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if(layerGrid != null) |
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layerGrid.getRasterBuf().free(); |
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layerGrid = null;
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} |
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} |
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public Rectangle2D getFullExtent() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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try{
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Envelope env=layer.getFullEnvelope(); |
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return new Rectangle2D.Double(env.getMinimum(0),env.getMinimum(1),env.getLength(0),env.getLength(1)); |
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}catch(Exception e){ |
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return null; |
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} |
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getGridExtent().getAsRectangle2D();
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} |
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return null; |
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} |
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public GridExtent getLayerGridExtent() {
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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try{
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GridExtent extent = new GridExtent();
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extent.setXRange(layer.getMinX(), layer.getMaxX()); |
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extent.setYRange(layer.getMinY(), layer.getMaxY()); |
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extent.setCellSize(layer.getCellSize()); |
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return extent;
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}catch(Exception e){ |
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return null; |
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} |
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getGridExtent();
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} |
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return null; |
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} |
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public double getLayerCellSize() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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return layer.getCellSize();
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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return layer.getGridExtent().getCellSize();
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} |
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return 0; |
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} |
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public String getFilename() { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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return layer.getDataSource().getDataset(0)[0].getFName(); |
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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return m_sFilename;
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} |
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return ""; |
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} |
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public Object getCRS() { |
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return m_Projection;
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} |
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public void setName(String name) { |
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if (m_BaseDataObject instanceof FLyrRasterSE) { |
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FLyrRasterSE layer = (FLyrRasterSE) m_BaseDataObject; |
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layer.setName(name); |
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} |
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else if (m_BaseDataObject instanceof RasterMemoryDriver) { |
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RasterMemoryDriver layer = (RasterMemoryDriver) m_BaseDataObject; |
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layer.setName(name); |
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}; |
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} |
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} |