root / branches / gvSIG_19_ext3D_osgVP_2_2_0 / libraries / lib3DMap / src / org / gvsig / gvsig3d / cacheservices / FLayerCacheService.java @ 32576
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package org.gvsig.gvsig3d.cacheservices; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.io.File; |
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import java.io.IOException; |
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import java.net.URL; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Hashtable; |
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import java.util.Iterator; |
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import java.util.PriorityQueue; |
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import java.util.Vector; |
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import javax.imageio.ImageIO; |
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import org.apache.log4j.Logger; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.cacheservice.CacheService; |
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import org.gvsig.cacheservice.CacheServiceException; |
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import org.gvsig.cacheservice.RasterCacheService; |
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import org.gvsig.cacheservice.TileNum; |
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import org.gvsig.fmap.raster.layers.FLyrRasterSE; |
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import org.gvsig.gvsig3d.map3d.MapContext3D; |
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import org.gvsig.osgvp.terrain.Terrain; |
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import org.gvsig.raster.buffer.BufferFactory; |
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import org.gvsig.raster.buffer.RasterBuffer; |
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import org.gvsig.raster.buffer.WriterBufferServer; |
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import org.gvsig.raster.dataset.GeoRasterWriter; |
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import org.gvsig.raster.dataset.InvalidSetViewException; |
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import org.gvsig.raster.dataset.NotSupportedExtensionException; |
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import org.gvsig.raster.dataset.Params; |
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import org.gvsig.raster.dataset.io.RasterDriverException; |
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import org.gvsig.remoteClient.utils.Utilities; |
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import org.gvsig.remoteClient.wcs.WCSStatus; |
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import org.gvsig.remoteClient.wms.ICancellable; |
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import org.gvsig.remoteClient.wms.WMSStatus; |
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import com.hardcode.gdbms.driver.exceptions.ReadDriverException; |
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import com.iver.ai2.gvsig3d.map3d.layers.Layer3DProps; |
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import com.iver.cit.gvsig.exceptions.expansionfile.ExpansionFileReadException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.drivers.wcs.FMapWCSDriver; |
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import com.iver.cit.gvsig.fmap.drivers.wcs.FMapWCSDriverFactory; |
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import com.iver.cit.gvsig.fmap.drivers.wms.FMapWMSDriver; |
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import com.iver.cit.gvsig.fmap.drivers.wms.FMapWMSDriverFactory; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrDefault; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.FLyrWCS; |
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import com.iver.cit.gvsig.fmap.layers.FLyrWMS; |
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import com.iver.utiles.FileUtils; |
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import com.iver.utiles.swing.threads.Cancellable; |
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public class FLayerCacheService extends RasterCacheService { |
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private boolean _loadFailed = true; |
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private Rectangle2D _lyrExtentRect; |
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private FLayer _layer;
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private IProjection _viewProj;
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private int _dataType; |
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private Object cacheMutex = new Object(); |
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// WMS terrain
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FMapWMSDriver _wmsDriver = null;
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FMapWCSDriver _wcsDriver = null;
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WMSStatus _wmsStatus = null;
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WCSStatus _wcsStatus = null;
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Thread _requestThead = null; |
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private RequestTileFromLayerThread _requestTileFromLayerThread;
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private static Logger _logger = Logger.getLogger(FLayerCacheService.class |
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.getName()); |
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public FLayerCacheService(Terrain terrain, String name, FLayer layer, |
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IProjection viewProj) {
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super(terrain.getTerrainName(), name);
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_layer = layer; |
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_viewProj = viewProj; |
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_loadFailed = true;
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int cacheType = CacheService.GLOBAL;
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if (terrain.getCoordinateSystemType() == Terrain.CoordinateSystemType.GEOCENTRIC)
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cacheType += SPHERIC; |
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else
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cacheType += PLANE; |
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setCacheType(cacheType); |
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try {
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_lyrExtentRect = _layer.getFullExtent(); |
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} catch (ExpansionFileReadException e) {
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e.printStackTrace(); |
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} catch (ReadDriverException e) {
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e.printStackTrace(); |
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} |
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Layer3DProps props3D = Layer3DProps.getLayer3DProps(layer); |
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_dataType = props3D.getType(); |
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if (_dataType == Layer3DProps.layer3DImage)
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setFileExtension(".png");
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else
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setFileExtension(".tif");
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_loadFailed = false;
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} |
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protected class MyCancel implements Cancellable, ICancellable { |
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public boolean isCanceled() { |
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return false; |
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} |
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public void setCanceled(boolean canceled) { |
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} |
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/* if you don�t put and ID the wms donwload will be fail */
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public Object getID() { |
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return this; |
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} |
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|
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} |
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protected class RequestTileFromLayerThread implements Runnable { |
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private class Request implements Comparable<Request> { |
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public Request(long timeStamp, String fName, Rectangle2D tileExtent) { |
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_timeStamp = timeStamp; |
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_fName = fName; |
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_tileExtent = tileExtent; |
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} |
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long _timeStamp;
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String _fName;
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Rectangle2D _tileExtent;
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public int compareTo(Request o) { |
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if(_timeStamp > o._timeStamp) return -1; |
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else if(_timeStamp < o._timeStamp) return 1; |
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else return 0; |
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} |
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} |
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private HashMap<String, Request> _requestList = new HashMap<String, Request>(); |
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private PriorityQueue<Request> _priorityRequestList = new PriorityQueue<Request>(); |
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private volatile boolean _done = false; |
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protected synchronized void purgeOldRequests() { |
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int max_elements = 100; |
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if(_requestList.size() > max_elements) {
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//_logger.debug("max elements reached from request list thread...");
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Iterator<Request> iterator = _requestList.values().iterator();
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ArrayList<Request> removeRequests = new ArrayList<Request>(); |
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int index = 0; |
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while(iterator.hasNext()) {
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Request request = iterator.next(); |
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if(index>max_elements) {
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removeRequests.add(request); |
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} |
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index++; |
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} |
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for(int i=0;i<removeRequests.size();i++) { |
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//_logger.debug("Removing old elements from request list thread...");
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_priorityRequestList.remove(removeRequests.get(i)); |
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_requestList.remove(removeRequests.get(i)._fName); |
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} |
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} |
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} |
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public synchronized void requestTile(String fName, Rectangle2D tileExtent) { |
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Request request = _requestList.get(fName); |
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if(request == null) { |
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Request req = new Request(System.currentTimeMillis(),fName,tileExtent); |
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_requestList.put(fName,req); |
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_priorityRequestList.add(req); |
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} else {
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request._timeStamp = System.currentTimeMillis();
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} |
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purgeOldRequests(); |
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} |
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public void run() { |
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while(!_done) {
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Request request = null;
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synchronized (this) { |
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request = _priorityRequestList.poll(); |
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} |
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if(request != null) { |
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_requestList.remove(request._fName); |
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getTileFromLayer(request._fName, request._tileExtent); |
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} |
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else {
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try {
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Thread.sleep(1); |
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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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} |
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public void setDone(boolean value) { _done = value; } |
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} |
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private void requestTileFromLayer(String fName, Rectangle2D tileExtent) { |
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if(_requestThead == null) { |
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_requestTileFromLayerThread = new RequestTileFromLayerThread();
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_requestThead = new Thread(_requestTileFromLayerThread); |
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_requestThead.start(); |
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} |
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_requestTileFromLayerThread.requestTile(fName, tileExtent); |
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} |
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private void getTileFromLayer(String fName, Rectangle2D tileExtent) { |
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BufferedImage image;
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// Check if the file exists, because some files are in request queue
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// while the request is processing.
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boolean fileExists = new File(fName).exists(); |
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if(!fileExists)
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{
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if (_dataType == Layer3DProps.layer3DImage) {
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// Workaround to avoid too many System.gc() calls on layer.draw. which makes
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// rendering stall when rendering the tile.
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if (_layer instanceof FLyrWMS) { // WMS Elevation |
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try {
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FLyrWMS wmsLayer = (FLyrWMS) _layer; |
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if (_wmsDriver == null) { |
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URL host = wmsLayer.getHost();
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_wmsDriver = FMapWMSDriverFactory |
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.getFMapDriverForURL(host); |
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} |
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if (_wmsStatus == null) { |
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_wmsStatus = new WMSStatus();
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_wmsStatus.setFormat(wmsLayer.getFormat()); |
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_wmsStatus.setHeight(256);
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_wmsStatus.setWidth(256);
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_wmsStatus.setLayerNames(Utilities.createVector(
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wmsLayer.getLayerQuery(), ","));
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_wmsStatus.setSrs(wmsLayer.getSRS()); |
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HashMap props = wmsLayer.getProperties();
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Vector styles;
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Vector dimensions;
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styles = (Vector) (props.get("styles")); |
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dimensions = (Vector) (props.get("dimensions")); |
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_wmsStatus.setStyles(styles); |
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_wmsStatus.setDimensions(dimensions); |
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_wmsStatus.setTransparency((Boolean)props.get("wmsTransparency")); |
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String getMapStr = wmsLayer.getOnlineResource("GetMap"); |
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_wmsStatus.setOnlineResource(getMapStr); |
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} |
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_wmsStatus.setExtent(tileExtent); |
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File f = _wmsDriver.getMap(_wmsStatus, new MyCancel()); |
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if (f == null) |
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return;
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synchronized (cacheMutex) {
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FileUtils.copy(f, new File(fName)); |
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} |
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} catch (Exception e) { |
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return;
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} |
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} else {
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int size = getTileSize();
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image = new BufferedImage(size, size, |
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BufferedImage.TYPE_INT_ARGB);
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ViewPort vp = new ViewPort(_viewProj);
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vp.setExtent(tileExtent); // the real extent of the tile
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// NotificationManager.addInfo("Extent solicitado--> "
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// + tileExtent.getMinX() + " " + tileExtent.getMinY() + " "
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// + tileExtent.getMaxX() + " " + tileExtent.getMaxY());
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vp.setAdjustable(false);
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vp.setImageSize(new Dimension(size, size)); |
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// vp.setDist1pixel(1 / 150000);
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vp.setDist1pixel(0.000000001);
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Graphics2D graphics = image.createGraphics();
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Color backgColor = new Color(255, 255, 255, 0); // transparent |
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// background
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graphics.setColor(backgColor); |
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graphics.fillRect(0, 0, size, size); |
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// CancelDraw canceldraw = new MapControl.CancelDraw();
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// canceldraw.setCanceled(false);
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// For now we'll use a trick to make sure the layer is drawn
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// even if it has scale dependency
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// In the future, a scale corresponding to the tile should be
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// passed
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double scale = 0.5 * (_layer.getMaxScale() + _layer |
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.getMinScale()); |
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int trans = 255; |
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// The layers of remote services don�t have transparency.
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if (_layer.getClass().equals(FLyrVect.class)) {
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// Generate layers 3D properties
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Layer3DProps props3D = Layer3DProps.getLayer3DProps(_layer); |
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// fix opaque the layer to save in disk
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((FLyrDefault) _layer).setTransparency((int) (props3D
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.getOpacity() * 255));
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} |
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if (_layer instanceof FLyrRasterSE) { |
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// fix opaque the layer to save in disk
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((FLyrRasterSE) _layer).setTransparency(255);
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} |
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try {
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_layer.draw(image, graphics, vp, new MyCancel(), scale);
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if ((_layer.getClass().equals(FLyrVect.class))&& ((FLyrVect)_layer).isLabeled())
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((FLyrVect)_layer).drawLabels(image, graphics, vp, new MyCancel(), scale,72); |
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} catch (Exception e) { |
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return;
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} |
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// Restoring the real value of transparency
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if (_layer.getClass().equals(FLyrVect.class)) {
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// fix the real transparency to the layer
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((FLyrDefault) _layer).setTransparency(trans); |
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} |
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try {
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File file = new File(fName); |
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String format = getFileExtension().substring(1); |
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synchronized (cacheMutex) {
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saveCachedFile(image, format, file); |
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} |
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} catch (IOException e1) { |
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e1.printStackTrace(); |
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return;
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} |
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} |
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} else { // Elevation data |
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if (_layer instanceof FLyrWMS) { // WMS Elevation |
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try {
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FLyrWMS wmsLayer = (FLyrWMS) _layer; |
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if (_wmsDriver == null) { |
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URL host = wmsLayer.getHost();
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_wmsDriver = FMapWMSDriverFactory |
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.getFMapDriverForURL(host); |
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} |
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if (_wmsStatus == null) { |
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_wmsStatus = new WMSStatus();
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_wmsStatus.setFormat(wmsLayer.getFormat()); |
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_wmsStatus.setHeight(32);
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_wmsStatus.setWidth(32);
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_wmsStatus.setLayerNames(Utilities.createVector(
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wmsLayer.getLayerQuery(), ","));
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_wmsStatus.setSrs(wmsLayer.getSRS()); |
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HashMap props = wmsLayer.getProperties();
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Vector styles;
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Vector dimensions;
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styles = (Vector) (props.get("styles")); |
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dimensions = (Vector) (props.get("dimensions")); |
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_wmsStatus.setStyles(styles); |
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_wmsStatus.setDimensions(dimensions); |
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_wmsStatus.setTransparency(false);
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String getMapStr = wmsLayer.getOnlineResource("GetMap"); |
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_wmsStatus.setOnlineResource(getMapStr); |
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} |
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_wmsStatus.setExtent(tileExtent); |
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File f = _wmsDriver.getMap(_wmsStatus, new MyCancel()); |
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if (f == null) |
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return;
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synchronized (cacheMutex) {
|
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FileUtils.copy(f, new File(fName)); |
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} |
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} catch (Exception e) { |
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return;
|
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} |
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} else if (_layer instanceof FLyrWCS) { // WCS Elevation |
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try {
|
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FLyrWCS wcsLayer = (FLyrWCS) _layer; |
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if (_wcsDriver == null) { |
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|
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URL host = wcsLayer.getHost();
|
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_wcsDriver = FMapWCSDriverFactory |
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.getFMapDriverForURL(host); |
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} |
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if (_wcsStatus == null) { |
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_wcsStatus = new WCSStatus();
|
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|
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Hashtable props = wcsLayer.getProperties();
|
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|
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_wcsStatus.setCoveraName((String) props.get("name")); |
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_wcsStatus.setFormat((String) props.get("format")); |
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_wcsStatus.setHeight(32);
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_wcsStatus.setWidth(32);
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_wcsStatus.setSrs((String) props.get("crs")); |
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_wcsStatus.setParameters((String) props
|
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.get("parameter"));
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String time = (String) props.get("time"); |
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if (time.length() > 0) |
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_wcsStatus.setTime(time); |
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} |
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_wcsStatus.setExtent(tileExtent); |
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|
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File f = _wcsDriver.getCoverage(_wcsStatus, new MyCancel()); |
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if (f == null) |
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return;
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synchronized (cacheMutex) {
|
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FileUtils.copy(f, new File(fName)); |
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} |
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} catch (Exception e) { |
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return;
|
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} |
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} else
|
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// RASTER_GRID
|
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if (_layer instanceof FLyrRasterSE) { |
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|
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FLyrRasterSE rasterLayer = (FLyrRasterSE) _layer; |
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BufferFactory bufferFactory = rasterLayer.getBufferFactory(); |
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|
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//int bands[] = { 0 };
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bufferFactory.setAllDrawableBands(); |
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bufferFactory.setAdjustToExtent(false);
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bufferFactory.setNoDataToFill(0.0);
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|
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// The y max and min are mixed because there are some problems
|
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// computing the adjustedDataExtent.
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try {
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bufferFactory.setAreaOfInterest(tileExtent.getMinX(), |
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tileExtent.getMaxY(), tileExtent.getMaxX(), |
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tileExtent.getMinY(), 32, 32); |
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} catch (RasterDriverException e) {
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// TODO Auto-generated catch block
|
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e.printStackTrace(); |
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} catch (InvalidSetViewException e) {
|
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// TODO Auto-generated catch block
|
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e.printStackTrace(); |
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} catch (InterruptedException e) { |
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// TODO Auto-generated catch block
|
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e.printStackTrace(); |
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} catch (Exception e) { |
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return;
|
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} |
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|
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RasterBuffer raster = (RasterBuffer) bufferFactory |
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.getRasterBuf(); |
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raster.setNoDataValue(0.0);
|
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raster.setNotValidValue(0.0);
|
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try {
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WriterBufferServer bufferServer = new WriterBufferServer(
|
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raster); |
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Params p = GeoRasterWriter.getWriter(fName).getParams(); |
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AffineTransform at = new AffineTransform(tileExtent |
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.getWidth() / 32, 0, 0, |
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-(tileExtent.getHeight() / 32), tileExtent
|
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.getMinX(), tileExtent.getMaxY()); |
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GeoRasterWriter grw = GeoRasterWriter.getWriter( |
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bufferServer, fName, 1, at, raster.getWidth(),
|
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raster.getHeight(), raster.getDataType(), p, null);
|
| 466 |
synchronized (cacheMutex) {
|
| 467 |
try {
|
| 468 |
grw.dataWrite(); |
| 469 |
} catch (InterruptedException e) { |
| 470 |
e.printStackTrace(); |
| 471 |
} |
| 472 |
grw.writeClose(); |
| 473 |
} |
| 474 |
|
| 475 |
} catch (NotSupportedExtensionException e) {
|
| 476 |
// e.printStackTrace();
|
| 477 |
return;
|
| 478 |
} catch (RasterDriverException e) {
|
| 479 |
// e.printStackTrace();
|
| 480 |
return;
|
| 481 |
} catch (IOException e) { |
| 482 |
// e.printStackTrace();
|
| 483 |
return;
|
| 484 |
} |
| 485 |
|
| 486 |
} |
| 487 |
} |
| 488 |
} |
| 489 |
//The method cant return a image because ImageIO crashes with tiff images.
|
| 490 |
/*try {
|
| 491 |
synchronized (cacheMutex) {
|
| 492 |
image = ImageIO.read(new File(fName));
|
| 493 |
}
|
| 494 |
} catch (IOException e) {
|
| 495 |
return null;
|
| 496 |
}
|
| 497 |
return image;*/
|
| 498 |
} |
| 499 |
|
| 500 |
public String getTileAsFName(TileNum t, Rectangle2D extent) |
| 501 |
throws CacheServiceException {
|
| 502 |
if (_loadFailed) {
|
| 503 |
throw new CacheServiceException(new Exception()); |
| 504 |
} |
| 505 |
|
| 506 |
String fName = getTileFileName(t);
|
| 507 |
boolean fileExists = false; |
| 508 |
synchronized (cacheMutex) {
|
| 509 |
fileExists = new File(fName).exists(); |
| 510 |
} |
| 511 |
if (!fileExists) {
|
| 512 |
Rectangle2D tileExtent = extent;
|
| 513 |
requestTileFromLayer(fName,tileExtent); |
| 514 |
//if (getTileFromLayer(fName, tileExtent) == null)
|
| 515 |
fName = null;
|
| 516 |
} |
| 517 |
return fName;
|
| 518 |
} |
| 519 |
|
| 520 |
/**
|
| 521 |
* @TODO: This method crashes with tiff images use getTileAsFileName instead
|
| 522 |
*/
|
| 523 |
public Image getTileAsImage(TileNum tileNum, Rectangle2D extent) |
| 524 |
throws CacheServiceException {
|
| 525 |
|
| 526 |
if (_loadFailed) {
|
| 527 |
throw new CacheServiceException(new Exception()); |
| 528 |
} |
| 529 |
String fName = getTileFileName(tileNum);
|
| 530 |
Image image = null; |
| 531 |
boolean fileExists = false; |
| 532 |
synchronized (cacheMutex) {
|
| 533 |
fileExists = new File(fName).exists(); |
| 534 |
} |
| 535 |
if (!fileExists) {
|
| 536 |
Rectangle2D tileExtent = extent;
|
| 537 |
requestTileFromLayer(fName,tileExtent); |
| 538 |
//image = getTileFromLayer(fName, tileExtent);
|
| 539 |
} else {
|
| 540 |
//ImageIO cant read tiff images. Change in the next version.
|
| 541 |
/*try {
|
| 542 |
//image = ImageIO.read(new File(fName));
|
| 543 |
} catch (IOException e) {
|
| 544 |
return null;
|
| 545 |
}*/
|
| 546 |
} |
| 547 |
return image;
|
| 548 |
} |
| 549 |
|
| 550 |
public boolean intersectsLayer(Rectangle2D extent) { |
| 551 |
return _lyrExtentRect.intersects(extent);
|
| 552 |
} |
| 553 |
|
| 554 |
public void free() throws Throwable { |
| 555 |
_logger.info("finalizing cache service and thread");
|
| 556 |
_requestTileFromLayerThread.setDone(true);
|
| 557 |
_requestThead.join(); |
| 558 |
} |
| 559 |
|
| 560 |
/*@Override
|
| 561 |
protected void finalize() throws Throwable {
|
| 562 |
_logger.info("finalizing cache service and thread");
|
| 563 |
_requestTileFromLayerThread.setDone(true);
|
| 564 |
_requestThead.join();
|
| 565 |
super.finalize();
|
| 566 |
}*/
|
| 567 |
|
| 568 |
} |