Revision 14926 import/ext3D/trunk/libCacheService/src/org/gvsig/cacheservice/CacheService.java
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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/** |
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*
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* |
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* @author Rafael Gait�n <rgaitan@dsic.upv.es>, modified code from cq RasterCache of Luis W. Sevilla. |
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* |
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*/ |
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public abstract class CacheService {
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/** |
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* Tipo planetario. Las coordenadas son Lat/Lon |
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*/ |
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* calculado especialmente para ese raster. |
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*/ |
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public static int GLOBAL = 0x200; |
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public static final Rectangle2D sphericGlobalBounds = |
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new Rectangle2D.Double(-180,-90,360,180); |
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public static final Rectangle2D planeGlobalBounds = |
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new Rectangle2D.Double(-10000000,-10000000,20000000,20000000);
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new Rectangle2D.Double(-20000000,-10000000,40000000,20000000);
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public static int TILEID_TYPE_GOOGLE = 0x01; |
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public static int TILEID_TYPE_OSGPLANET = 0x02; |
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public static int TILEID_TYPE_VIRTUALEARTH = 0x03; |
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private String _name = ""; |
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private String _planet = ""; |
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private String _cacheDir = null; |
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private int _tileSize = 256; |
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private boolean _withHashDirs = false; |
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private int _hashDirsNumber = 100; |
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private int _minLevel = 0; |
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private int _maxLevel = 20; |
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private Rectangle2D _bounds; |
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private Rectangle2D _fullExtent = sphericGlobalBounds; |
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/** |
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* @param planet |
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* @param name |
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setBounds(sphericGlobalBounds); |
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} |
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/** |
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* Devuelve el tama�o de Tile como Dimension; |
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* @return |
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*/
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*/ |
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public Dimension computeSz() {
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return new Dimension(getTileSize(),getTileSize()); |
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} |
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double stepY = (getFullExtent().getMaxY()-getFullExtent().getMinY())/partsY; |
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double l = getFullExtent().getMinX()+(double)tileNum.getX()*stepX; |
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//double r = l+stepX; |
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double t = getFullExtent().getMaxY()-(double)tileNum.getY()*stepY; |
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double b = t-stepY; |
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double b; |
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if ((_cacheType & SPHERIC) == SPHERIC) |
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b = getFullExtent().getMaxY()-(double)tileNum.getY()*stepY - stepY; |
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else |
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b = getFullExtent().getMinY()+(double)tileNum.getY()*stepY; |
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return new Rectangle2D.Double(l,b,stepX, Math.abs(stepY)); |
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} |
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public Dimension getFullSize(int level) {
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int w = getTileSize() * (int)Math.pow(2,level); |
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return new Dimension(w, w/2); |
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} |
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/** |
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* Devuelve el numero de Tiles (ancho y alto) para ese nivel. |
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* @param level |
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int w = (int)Math.pow(2,level); |
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return new Dimension(w, w/2); |
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} |
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public boolean isFileInCache(String fName) {
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File cacheFile = new File(fName); |
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return cacheFile.exists(); |
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} |
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public void setCacheDir(String dir) {
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_cacheDir = dir; |
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} |
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if (!file.exists()) file.mkdirs(); |
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return _cacheDir; |
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} |
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/** |
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* @return Returns the cacheRootDir. |
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*/ |
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