Revision 382
| org.gvsig.geoprocess/trunk/org.gvsig.geoprocess/org.gvsig.geoprocess.lib/org.gvsig.geoprocess.lib.sextante/src/main/java/org/gvsig/geoprocess/lib/sextante/dataObjects/FLyrRasterReadOnlyIRasterLayer.java | ||
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import java.awt.geom.Rectangle2D; |
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import es.unex.sextante.core.AnalysisExtent; |
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import es.unex.sextante.core.Sextante; |
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import es.unex.sextante.dataObjects.AbstractRasterLayer; |
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import es.unex.sextante.outputs.IOutputChannel; |
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import org.gvsig.fmap.dal.coverage.RasterLocator; |
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import org.gvsig.fmap.dal.coverage.RasterManager; |
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import org.gvsig.fmap.dal.coverage.dataset.Buffer; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.datastruct.NoData; |
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import org.gvsig.fmap.dal.coverage.exception.GridException; |
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import org.gvsig.fmap.dal.coverage.exception.InvalidSetViewException; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.RasterDriverException; |
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import org.gvsig.fmap.dal.coverage.grid.Grid; |
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import org.gvsig.fmap.dal.coverage.store.RasterDataStore; |
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import org.gvsig.fmap.dal.coverage.store.RasterQuery; |
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import org.gvsig.raster.fmap.layers.FLyrRaster; |
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import es.unex.sextante.core.AnalysisExtent; |
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import es.unex.sextante.core.Sextante; |
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import es.unex.sextante.dataObjects.AbstractRasterLayer; |
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import es.unex.sextante.outputs.IOutputChannel; |
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/** |
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* A wrapper for a gvSIG Raster layer. Allows only reading, but not writing to |
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* it |
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*/ |
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public class FLyrRasterReadOnlyIRasterLayer extends AbstractRasterLayer {
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private Grid m_LayerGrid = null; |
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private FLyrRaster m_Layer; |
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private Buffer m_Buffer; |
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private int m_iDataType; |
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private double m_dNoDataValue; |
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private Grid m_LayerGrid = null; |
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private FLyrRaster m_Layer = null; |
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private Buffer m_Buffer = null; |
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private int m_iDataType = 0; |
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private double m_dNoDataValue = 0; |
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private int xTranslate = 0; |
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private int yTranslate = 0; |
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private AnalysisExtent layerExtent = null; |
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public void create(final FLyrRaster obj) {
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m_Layer = obj; |
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} |
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public int getDataType() {
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return m_Layer.getDataStore().getDataType()[0]; |
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} |
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public void setCellValue(final int x, final int y, final int iBand, |
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final double dValue) {
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} |
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public void setNoDataValue(final double dNoDataValue) {
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m_Layer.getNoDataValue().setValue(Double.valueOf(dNoDataValue)); |
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} |
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@Override |
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public double getCellValueInLayerCoords(final int x, final int y, |
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final int iBand) {
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if (m_Buffer.isInside(x, y)) {
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int newx = x - xTranslate; |
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int newy = y - yTranslate; |
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if (m_Buffer.isInside(newx, newy)) {
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switch (m_iDataType) {
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case Buffer.TYPE_BYTE: |
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return m_Buffer.getElemByte(y, x, iBand);
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return m_Buffer.getElemByte(newy, newx, iBand);
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case Buffer.TYPE_SHORT: |
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return m_Buffer.getElemShort(y, x, iBand);
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return m_Buffer.getElemShort(newy, newx, iBand);
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case Buffer.TYPE_INT: |
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return m_Buffer.getElemInt(y, x, iBand);
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return m_Buffer.getElemInt(newy, newx, iBand);
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case Buffer.TYPE_FLOAT: |
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return m_Buffer.getElemFloat(y, x, iBand);
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return m_Buffer.getElemFloat(newy, newx, iBand);
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case Buffer.TYPE_DOUBLE: |
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default: |
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return m_Buffer.getElemDouble(y, x, iBand);
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return m_Buffer.getElemDouble(newy, newx, iBand);
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} |
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} else {
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return m_dNoDataValue; |
| ... | ... | |
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} |
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public int getBandsCount() {
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return m_Layer.getDataStore().getBandCount(); |
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} |
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public String getName() {
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return m_Layer.getName(); |
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} |
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public void postProcess() {
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} |
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public void open() {
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try {
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m_LayerGrid = m_Layer.getReadOnlyFullGrid(false); |
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m_Buffer = m_LayerGrid.getRasterBuf(); |
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m_iDataType = m_LayerGrid.getDataType(); |
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// TODO: Hablar con NACHO |
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NoData nodata = m_LayerGrid.getNoDataValue(); |
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m_dNoDataValue = |
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nodata != null ? (nodata.getValue() != null ? nodata.getValue()
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.doubleValue() : 0.0d) : 0.0d;
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} catch (final GridException e) {
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m_dNoDataValue = nodata != null ?
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(nodata.getValue() != null ? nodata.getValue().doubleValue() : 0.0d) :
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0.0d;
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} catch (GridException e) {
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Sextante.addErrorToLog(e); |
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} catch (final InterruptedException e) {
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} catch (InterruptedException e) {
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Sextante.addErrorToLog(e); |
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} |
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} |
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public void close() {
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// if (m_LayerGrid != null) {
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// m_LayerGrid.free(); |
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// } |
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m_LayerGrid = null; |
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} |
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public Rectangle2D getFullExtent() {
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return m_Layer.getFullRasterExtent().toRectangle2D(); |
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} |
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public AnalysisExtent getLayerGridExtent() {
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if(layerExtent == null) {
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try {
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layerExtent = new AnalysisExtent(); |
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layerExtent.setCellSize(m_Layer.getDataStore().getCellSize()); |
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layerExtent.setXRange(m_Layer.getMinX(), m_Layer.getMaxX(), true); |
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layerExtent.setYRange(m_Layer.getMinY(), m_Layer.getMaxY(), true); |
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} catch (final Exception e) {
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return null; |
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} |
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} |
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return layerExtent; |
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} |
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public void setWindowExtent(final AnalysisExtent extent) {
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super.setWindowExtent(extent); |
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RasterManager rManager = RasterLocator.getManager(); |
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RasterDataStore store = m_Layer.getDataStore(); |
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RasterQuery query = rManager.createQuery(); |
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query.setReadOnly(true); |
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int[] bands = new int[store.getBandCount()]; |
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for (int i = 0; i < store.getBandCount(); i++) {
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bands[i] = i; |
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} |
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query.setDrawableBands(bands); |
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Extent ext = RasterLocator.getManager().getDataStructFactory().createExtent( |
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extent.getXMin(), |
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extent.getYMax(), |
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extent.getXMax(), |
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extent.getYMin()); |
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query.setAreaOfInterest(ext, extent.getNX(), extent.getNY()); |
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Buffer entireBuf = m_Buffer; |
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try {
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final AnalysisExtent extent = new AnalysisExtent(); |
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extent.setCellSize(m_Layer.getDataStore().getCellSize()); |
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extent.setXRange(m_Layer.getMinX(), m_Layer.getMaxX(), true); |
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extent.setYRange(m_Layer.getMinY(), m_Layer.getMaxY(), true); |
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return extent; |
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} catch (final Exception e) {
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return null; |
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} |
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} |
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m_Buffer = store.query(query); |
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//Calculamos la traslaci?n respecto a la ventana recortada pq Sextante pedir? |
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//p?xeles en relaci?n a la imagen completa |
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double distx = extent.getXMin() - m_Layer.getMinX(); |
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double disty = m_Layer.getMaxY() - extent.getYMax(); |
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xTranslate = (int)Math.round((distx * extent.getNX()) / (extent.getXMax() - extent.getXMin())); |
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yTranslate = (int)Math.round((disty * extent.getNY()) / (extent.getYMax() - extent.getYMin())); |
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} catch (RasterDriverException e) {
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m_Buffer = entireBuf; |
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} catch (ProcessInterruptedException e) {
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} catch (InvalidSetViewException e) {
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m_Buffer = entireBuf; |
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} |
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} |
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public double getLayerCellSize() {
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return m_Layer.getDataStore().getCellSize(); |
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} |
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public Object getCRS() {
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return m_Layer.getProjection(); |
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} |
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public void setName(final String name) {
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m_Layer.setName(name); |
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} |
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public void free() {
|
| ... | ... | |
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public IOutputChannel getOutputChannel() {
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return new IOutputChannel() {
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public String getAsCommandLineParameter() {
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return m_Layer.getName(); |
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} |
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