Revision 531 2.1/trunk/org.gvsig.view3d/org.gvsig.view3d.swing/org.gvsig.view3d.swing.impl/src/main/java/org/gvsig/view3d/swing/impl/data/GvSIGLayerDataRaster.java
| GvSIGLayerDataRaster.java | ||
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import java.awt.Rectangle; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.crs.CRSFactory; |
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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.DataStructFactory; |
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import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
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import org.gvsig.fmap.dal.coverage.exception.ProcessInterruptedException; |
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import org.gvsig.fmap.dal.coverage.exception.QueryException; |
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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.fmap.dal.exception.ReadException; |
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import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
| ... | ... | |
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private MapControl3D mapControl3D; |
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private FLayer layer; |
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|
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private Extent canvasExtent; |
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private Extent overlapExtent; |
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|
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/** |
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* Default constructor of <code>GvSIGLayerDataRaster</code> |
| ... | ... | |
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|| !canvas.getSector().intersects(getSector())) {
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return; |
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} |
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|
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FLyrRaster rasterLayer = (FLyrRaster) this.layer; |
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Sector overlap = this.getSector().intersection(canvas.getSector()); |
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java.awt.Rectangle clipRect = this.computeClipRect(overlap, this); |
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if (null == clipRect || clipRect.width == 0 || clipRect.height == 0) {
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return; |
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} |
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LOG.debug("Request zone: x = {} y= {} width = {} height = {}",
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new Object[] { clipRect.x, clipRect.y, clipRect.width,
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clipRect.height }); |
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Extent canvasExtent = getExtent(canvas.getSector()); |
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// Create query. Configure to get the zone request by canvas scaled to |
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// tile size. |
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RasterQuery query = RasterLocator.getManager().createQuery(); |
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query.setSupersamplingOption(true);
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query.setSupersamplingOption(false);
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query.setDrawableBands(new int[] { 0 });
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query.setReadOnly(true); |
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query.setAreaOfInterest(clipRect); |
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query.storeLastBuffer(true); |
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query.setAreaOfInterest(canvasExtent, canvas.getWidth(), |
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canvas.getHeight()); |
|
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Buffer buffer = null; |
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Buffer adjustedBuffer = null; |
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FLyrRaster rasterLayer = (FLyrRaster) this.layer; |
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RasterDataStore dataStore = rasterLayer.getDataStore(); |
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|
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try {
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buffer = rasterLayer.getDataStore().query(query); |
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// For best performance, checks if canvas extent is the same than |
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// last request. If it is the same, it will get last buffer |
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// stored. Otherwise, it will do created query. |
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if (canvasExtent.equals(this.canvasExtent) |
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&& dataStore.getLastBuffer() != null) {
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adjustedBuffer = dataStore.getLastBuffer(); |
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} else {
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adjustedBuffer = dataStore.query(query); |
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} |
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} catch (ProcessInterruptedException e) {
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LOG.error("Process interrupted while {} was executing a query",
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rasterLayer.getDataStore().getName(), e);
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dataStore.getName(), e);
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return; |
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} catch (QueryException e) {
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LOG.error("Query exception, can apply {} to {}", new Object[] {
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query.toString(), rasterLayer.getDataStore().getName() }, e);
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query.toString(), dataStore.getName() }, e);
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return; |
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} |
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// For performance reasons, stores canvas extent to avoid calculate it |
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// in each iteration |
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setCanvasEnxent(canvas.getSector()); |
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Sector overlap = this.getSector().intersection(canvas.getSector()); |
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setOverlapExtent(overlap); |
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ByteBufferRaster byteBuferRaster = |
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new ByteBufferRaster(buffer.getWidth(), buffer.getHeight(), |
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overlap, this.copy()); |
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// Create buffer depending on data type |
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String dataType = (String) this.getValue(AVKey.DATA_TYPE); |
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try{
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for (int i = 0; i < buffer.getHeight(); i++) {
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if (AVKey.INT8.equals(dataType)) {
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byte[] byteValues = buffer.getLineFromBandByte(i, 0); |
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setLineByteToDataRaster(byteBuferRaster, i, byteValues); |
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} else if (AVKey.INT16.equals(dataType)) {
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short[] shortValues = buffer.getLineFromBandShort(i, 0); |
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setLineShortToDataRaster(byteBuferRaster, i, shortValues); |
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} else if (AVKey.INT32.equals(dataType)) {
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int[] intValues = buffer.getLineFromBandInt(i, 0); |
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setLineIntToDataRaster(byteBuferRaster, i, intValues); |
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} else if (AVKey.FLOAT32.equals(dataType)) {
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float[] floatValues = buffer.getLineFromBandFloat(i, 0); |
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setLineFloatToDataRaster(byteBuferRaster, i, floatValues); |
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} else if (AVKey.FLOAT64.equals(dataType)) {
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double[] doubleValues = buffer.getLineFromBandDouble(i, 0); |
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setLineDoubleToDataRaster(byteBuferRaster, i, doubleValues); |
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String dataType = this.getStringValue(AVKey.DATA_TYPE); |
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for (int y = 0; y < canvas.getHeight(); y++) {
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for (int x = 0; x < canvas.getWidth(); x++) {
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Point2D rasterPoint = |
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getRasterPoint(x, y, canvas, adjustedBuffer); |
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// If raster point is not null, get value of buffer and write it |
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// to canvas |
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if (rasterPoint != null) {
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if (AVKey.INT8.equals(dataType)) {
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byte byteValue = |
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adjustedBuffer.getElemByte( |
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(int) rasterPoint.getY(), |
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(int) rasterPoint.getX(), 0); |
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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byteValue); |
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} else if (AVKey.INT16.equals(dataType)) {
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short shortValue = |
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adjustedBuffer.getElemShort( |
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(int) rasterPoint.getY(), |
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(int) rasterPoint.getX(), 0); |
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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shortValue); |
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} else if (AVKey.INT32.equals(dataType)) {
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int intValue = |
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adjustedBuffer.getElemInt((int) rasterPoint.getY(), |
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(int) rasterPoint.getX(), 0); |
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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intValue); |
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} else if (AVKey.FLOAT32.equals(dataType)) {
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float floatValue = |
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adjustedBuffer.getElemFloat( |
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(int) rasterPoint.getY(), |
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(int) rasterPoint.getX(), 0); |
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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floatValue); |
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} else if (AVKey.FLOAT64.equals(dataType)) {
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double doubleValue = |
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adjustedBuffer.getElemDouble( |
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(int) rasterPoint.getY(), |
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(int) rasterPoint.getX(), 0); |
|
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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doubleValue); |
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} |
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} else {
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// Invalid point, write NoData value |
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Number noData = |
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(Number) this.getValue(AVKey.MISSING_DATA_SIGNAL); |
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if (AVKey.INT8.equals(dataType)) {
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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noData.byteValue()); |
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} else if (AVKey.INT16.equals(dataType)) {
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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noData.shortValue()); |
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} else if (AVKey.INT32.equals(dataType)) {
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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noData.intValue()); |
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} else if (AVKey.FLOAT32.equals(dataType)) {
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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noData.floatValue()); |
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} else if (AVKey.FLOAT64.equals(dataType)) {
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setNumberToDataRaster((ByteBufferRaster) canvas, y, x, |
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noData.doubleValue()); |
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} |
|
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} |
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} |
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byteBuferRaster.drawOnTo(canvas); |
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} catch(Exception e){
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LOG.warn("Can't get elavation value matix", e);
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return; |
|
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} finally {
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if(buffer != null){
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buffer.dispose(); |
|
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} |
|
| 214 | 281 |
} |
| 215 | 282 |
} |
| 216 | 283 |
|
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private void setLineByteToDataRaster(ByteBufferRaster byteBuferRaster, int i, |
|
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byte[] byteValues) {
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for (int j = 0; j < byteValues.length; j++) {
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Number value = byteValues[j]; |
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byteBuferRaster.setDoubleAtPosition(i, j, value.doubleValue()); |
|
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private Point2D getRasterPoint(int x, int y, DataRaster canvas, |
|
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Buffer adjustedBuffer) {
|
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// Gets coordiantes of pixel raster |
|
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Point2D worldPoint = |
|
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canvasExtent.rasterToWorld(new Point2D.Double(x, y), |
|
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getCellSize(canvas.getSector(), canvas.getWidth())); |
|
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|
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if (layer instanceof FLyrRaster) {
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// Gets pixel of adjusted buffer |
|
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Sector overlap = this.getSector().intersection(canvas.getSector()); |
|
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Point2D rasterPoint = |
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overlapExtent.worldToRaster(worldPoint, |
|
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getCellSize(overlap, adjustedBuffer.getWidth())); |
|
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|
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if (isPointOfBuffer(rasterPoint, adjustedBuffer)) {
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return rasterPoint; |
|
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} |
|
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} |
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return null; |
|
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} |
| 224 | 305 |
|
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private void setLineShortToDataRaster(ByteBufferRaster byteBuferRaster, |
|
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int i, short[] shortValues) {
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for (int j = 0; j < shortValues.length; j++) {
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Number value = shortValues[j]; |
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byteBuferRaster.setDoubleAtPosition(i, j, value.doubleValue()); |
|
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} |
|
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private void setCanvasEnxent(Sector canvasSector) {
|
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this.canvasExtent = getExtent(canvasSector); |
|
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} |
| 309 |
|
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private void setOverlapExtent(Sector overlap) {
|
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| 311 |
this.overlapExtent = getExtent(overlap); |
|
| 312 |
} |
|
| 313 |
|
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| 314 |
private Extent getExtent(Sector sector){
|
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Rectangle2D rectangleDegrees = sector.toRectangleDegrees(); |
|
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RasterManager rasterManager = RasterLocator.getManager(); |
|
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DataStructFactory dataStructFactory = |
|
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rasterManager.getDataStructFactory(); |
|
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return dataStructFactory.createExtent(rectangleDegrees); |
|
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} |
|
| 232 | 321 |
|
| 233 |
private void setLineIntToDataRaster(ByteBufferRaster byteBuferRaster, |
|
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int i, int[] intValues) {
|
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for (int j = 0; j < intValues.length; j++) {
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Number value = intValues[j]; |
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byteBuferRaster.setDoubleAtPosition(i, j, value.doubleValue()); |
|
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} |
|
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private double getCellSize(Sector sector, int width) {
|
|
| 323 |
|
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Rectangle2D rectangleDegrees = sector.toRectangleDegrees(); |
|
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|
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return rectangleDegrees.getWidth() / width; |
|
| 239 | 327 |
} |
| 240 | 328 |
|
| 241 |
private void setLineFloatToDataRaster(ByteBufferRaster byteBuferRaster, |
|
| 242 |
int i, float[] floatValues) {
|
|
| 243 |
for (int j = 0; j < floatValues.length; j++) {
|
|
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Number value = floatValues[j]; |
|
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byteBuferRaster.setDoubleAtPosition(i, j, value.doubleValue()); |
|
| 329 |
private boolean isPointOfBuffer(Point2D rasterPoint, Buffer buffer) {
|
|
| 330 |
if (layer instanceof FLyrRaster) {
|
|
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double x = rasterPoint.getX(); |
|
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double y = rasterPoint.getY(); |
|
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return x > -1 && y > -1 && x < buffer.getWidth() |
|
| 334 |
&& y < buffer.getHeight() ? true : false; |
|
| 246 | 335 |
} |
| 336 |
return false; |
|
| 247 | 337 |
} |
| 248 | 338 |
|
| 249 |
private void setLineDoubleToDataRaster(ByteBufferRaster byteBuferRaster, |
|
| 250 |
int i, double[] doubleValues) {
|
|
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for (int j = 0; j < doubleValues.length; j++) {
|
|
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Number value = doubleValues[j]; |
|
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byteBuferRaster.setDoubleAtPosition(i, j, value.doubleValue()); |
|
| 254 |
} |
|
| 339 |
private void setNumberToDataRaster(ByteBufferRaster byteBuferRaster, |
|
| 340 |
int line, int col, Number value) {
|
|
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byteBuferRaster.setDoubleAtPosition(line, col, value.doubleValue()); |
|
| 255 | 342 |
} |
| 256 |
|
|
| 343 |
|
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| 257 | 344 |
private void drawVectElevationOnTo(DataRaster canvas) {
|
| 258 | 345 |
// TODO Auto-generated method stub |
| 259 | 346 |
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