Revision 4436 org.gvsig.raster/trunk/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.impl/src/main/java/org/gvsig/raster/util/DefaultRasterUtils.java
| DefaultRasterUtils.java | ||
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| 48 | 48 |
public class DefaultRasterUtils implements RasterUtils {
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public static final int MAX_BYTE_BIT_VALUE = 255; |
| 50 | 50 |
public static final int MAX_SHORT_BIT_VALUE = 65535; |
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public boolean loadInMemory(RasterDataStore datasource) {
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return (datasource.getFileSize() < (RasterLibrary.cacheSize * 1048576)); |
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} |
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public boolean isBufferTooBig(double[] coords, int bands) {
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public boolean isBufferTooBig(double[] coords, int bands) {
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int w = (int)Math.abs(coords[2] - coords[0]); |
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int h = (int)Math.abs(coords[3] - coords[1]); |
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long windowSize = w * h * bands;
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long windowSize = w * h * bands; |
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return (windowSize > (RasterLibrary.cacheSize * 1048576)); |
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}
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} |
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public boolean isBufferTooBig(double[] coords, double resolution, int bands) {
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double wPx = (coords[0] - coords[2]) / resolution; |
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double hPx = (coords[1] - coords[3]) / resolution; |
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return isBufferTooBig(new double[]{0, 0, wPx, hPx}, bands);
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}
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} |
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// --------------------------------------------------------------- |
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// TIPOS DE DATOS |
| ... | ... | |
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str.append(list[i] + ","); |
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return str.toString(); |
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} |
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// --------------------------------------------------------------- |
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// CONVERSI?N DE COORDENADAS |
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return true; |
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return false; |
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} |
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public Extent intersection(Extent e1, Extent e2) {
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if( (e1.getMin().getX() > e2.getMax().getX()) || |
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(e1.getMax().getX() < e2.getMin().getX()) || |
| ... | ... | |
| 258 | 258 |
} |
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public boolean isInside(Extent e1, Extent e2) {
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return ((e1.getMin().getX() >= e2.getMin().getX()) &&
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(e1.getMin().getY() >= e2.getMin().getY()) &&
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(e1.getMax().getX() <= e2.getMax().getX()) &&
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return ((e1.getMin().getX() >= e2.getMin().getX()) && |
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(e1.getMin().getY() >= e2.getMin().getY()) && |
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(e1.getMax().getX() <= e2.getMax().getX()) && |
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(e1.getMax().getY() <= e2.getMax().getY())); |
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} |
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public boolean isInside(Point2D p1, Extent e1) {
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return ((p1.getX() >= e1.getMin().getX()) && (p1.getX() <= e1.getMax().getX()) && (p1.getY() >= e1.getMin().getY())) && (p1.getY() <= e1.getMax().getY()); |
| 269 | 269 |
} |
| ... | ... | |
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/** |
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* Gets the exception trace |
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* @param e |
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* @return |
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* @return the exception trace
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*/ |
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public String getTrace(Exception e) {
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Throwable throwable = e; |
| ... | ... | |
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for (int i = 0; i < elemList.length; i++) {
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r += " !!!-" + elemList[i].toString() + "\n"; |
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} |
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while(throwable.getCause() != null) {
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elemList = throwable.getCause().getStackTrace(); |
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for (int i = 0; i < elemList.length; i++) {
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| ... | ... | |
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} |
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return r; |
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} |
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public String formatTime(long time) {
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int days = 0; |
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int hours = 0; |
| ... | ... | |
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} |
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return coordPx; |
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} |
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public Extent calculateAdjustedView(Extent extToAdj, Extent imgExt) {
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double vx = extToAdj.minX(); |
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double vy = extToAdj.minY(); |
| ... | ... | |
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public Extent calculateAdjustedView(Extent extToAdj, AffineTransform at, double w, double h) {
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// Obtenemos los cuatro puntos de la petici?n de origen |
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Point2D ul = new Point2D.Double(extToAdj.getULX(), extToAdj.getULY()); |
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Point2D lr = new Point2D.Double(extToAdj.getLRX(), extToAdj.getLRY()); |
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Point2D src_ul = new Point2D.Double(extToAdj.getULX(), extToAdj.getULY()); |
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Point2D src_lr = new Point2D.Double(extToAdj.getLRX(), extToAdj.getLRY()); |
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Point2D ul = new Point2D.Double(); |
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Point2D lr = new Point2D.Double(); |
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// Los convertimos a coordenadas pixel con la matriz de transformaci?n |
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try {
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at.inverseTransform(ul, ul); |
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at.inverseTransform(lr, lr); |
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at.inverseTransform(src_ul, ul);
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at.inverseTransform(src_lr, lr);
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} catch (NoninvertibleTransformException e) {
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return extToAdj; |
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} |
| ... | ... | |
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lr.setLocation(lr.getX(), h); |
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// Lo convertimos a coordenadas reales nuevamente |
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at.transform(ul, ul); |
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at.transform(lr, lr); |
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return new ExtentImpl(ul, lr); |
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Point2D real_ul = new Point2D.Double(); |
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Point2D real_lr = new Point2D.Double(); |
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at.transform(ul, real_ul); |
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at.transform(lr, real_lr); |
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return new ExtentImpl(real_ul, real_lr); |
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} |
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public void saveGeoInfo(String outRmf, AffineTransform at, Point2D dim) throws IOException {
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| ... | ... | |
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manager.addClient(ser3); |
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manager.write(); |
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} |
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/** |
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* Obtiene el extent m?ximo de todas las ROIs pasadas por par?metro. |
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* @param rois Lista de ROIs para calcular la extensi?n m?xima que ocupan |
| ... | ... | |
| 494 | 498 |
} |
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return RasterLocator.getManager().getDataStructFactory().createExtent(minx, miny, maxx, maxy); |
| 496 | 500 |
} |
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/** |
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* Convierte un histograma al rango de valores de RGB, en pocas palabras |
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* aplica una operacion 0xff a cada pixel para quitar los numeros negativos |
| ... | ... | |
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return null; |
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BufferHistogramImpl histImp = (BufferHistogramImpl)histogram; |
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if (histImp.getDataType() != Buffer.TYPE_BYTE) |
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return histogram; |
| 513 | 517 |
|
| ... | ... | |
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double mins[] = new double[histImp.getNumBands()]; |
| 541 | 545 |
double maxs[] = new double[histImp.getNumBands()]; |
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for (int i = 0; i < mins.length; i++) {
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mins[i] = 0; |
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maxs[i] = 255; |
| ... | ... | |
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return histogramNew; |
| 553 | 557 |
} |
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public void copyToBuffer(Buffer bufResult, Extent tileExtent, |
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Buffer buf, Extent ex, double rel, boolean hasAlphaBand) {
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double distx = Math.abs(ex.getULX() - tileExtent.getULX()); |
| ... | ... | |
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} |
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} |
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} |
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//En el resto de casos no se usa banda de transparencia sino que las zonas del tile fuera de la imagen |
| 595 | 599 |
//se inicializaron previamente a NoData |
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if(bufResult.getDataType() == Buffer.TYPE_SHORT) {
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for (int iBand = 0; iBand < buf.getBandCount(); iBand++) {
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for (int i = distpxy; (i < bufResult.getHeight() && (i - distpxy) < buf.getHeight()); i++) {
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| ... | ... | |
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} |
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} |
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} |
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} |
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