svn-gvsig-desktop / import / ext3D / trunk / ext3D / src / com / iver / ai2 / gvsig3d / cacheservices / FLayerCacheService.java @ 15486
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package com.iver.ai2.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.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.HashMap; |
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import java.util.Hashtable; |
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import java.util.Vector; |
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import org.cresques.cts.IProjection; |
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import org.cresques.io.data.Grid; |
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import org.cresques.io.data.RasterBuf; |
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import org.cresques.px.Extent; |
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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.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.iver.ai2.gvsig3d.map3d.layers.Layer3DProps; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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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.FLyrRaster; |
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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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import es.upv.ai2.libjosg.planets.Planet; |
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import es.upv.ai2.libjosg.planets.Planet.PlanetType; |
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public class FLayerCacheService extends RasterCacheService { |
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private boolean _loadFailed = true; |
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private Extent _extent;
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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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// 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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public FLayerCacheService(Planet planet, String name, FLayer layer, |
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IProjection viewProj) {
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super(planet.getPlanetName(), 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 (planet.getType() == PlanetType.SPHERICAL_MODE)
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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 (DriverException e) {
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return;
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} |
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_extent = new Extent(_lyrExtentRect);
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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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// TODO Auto-generated method stub
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return false; |
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} |
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public void setCanceled(boolean canceled) { |
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// TODO Auto-generated method stub
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} |
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public Object getID() { |
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// TODO Auto-generated method stub
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return null; |
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} |
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} |
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private Image getTileFromLayer(String fName, Rectangle2D tileExtent) { |
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BufferedImage image;
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if (_dataType == Layer3DProps.layer3DImage) {
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int size = getTileSize();
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image = new BufferedImage(size, size, 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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vp.setAdjustable(false);
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vp.setImageSize(new Dimension(size, size)); |
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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 passed
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double scale = 0.5 * (_layer.getMaxScale() + _layer.getMinScale()); |
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try {
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_layer.draw(image, graphics, vp, new MyCancel(), scale);
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} catch (DriverException e) {
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return null; |
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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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saveCachedFile(image, format, file); |
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} catch (IOException e1) { |
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e1.printStackTrace(); |
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return null; |
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} |
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return image;
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} else { // Elevation data |
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// RASTER_GRID
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if (_layer instanceof FLyrRaster) { |
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Grid grid = null;
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FLyrRaster rasterLayer = (FLyrRaster) _layer; |
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grid = rasterLayer.getSource().getGrid(); |
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if (grid == null) |
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return null; |
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grid.clearDrawableBand(); |
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int bands[] = { 0 }; |
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grid.addDrawableBands(bands); |
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grid.setNoDataValue(0.0);
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grid.setAreaOfInterest(tileExtent.getMinX(), tileExtent |
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.getMinY(), tileExtent.getMaxX(), tileExtent.getMaxY(), |
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32, 32); |
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RasterBuf raster = grid.getRasterBuf(); |
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try {
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raster.save(fName, new Extent(tileExtent));
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} catch (Exception e) { |
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return null; |
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} |
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} else 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 null; |
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FileUtils.copy(f, new File(fName)); |
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String fileName = f.getPath();
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// System.out.println(fileName);
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} catch (Exception e) { |
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return null; |
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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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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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Hashtable props = wcsLayer.getProperties();
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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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_wcsStatus.setOnlineResource(wcsLayer |
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.getOnlineResource("GetCoverage"));
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} |
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_wcsStatus.setExtent(tileExtent); |
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File f = _wcsDriver.getCoverage(_wcsStatus, new MyCancel()); |
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if (f == null) |
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return null; |
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FileUtils.copy(f, new File(fName)); |
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String fileName = f.getPath();
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// System.out.println(fileName);
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} catch (Exception e) { |
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return null; |
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} |
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} |
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return null; // no image |
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} |
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} |
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public String getTileAsFName(TileNum t) throws CacheServiceException { |
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if (_loadFailed) {
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throw new CacheServiceException(new Exception()); |
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} |
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String tileId = t.numToOpTileId();
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String fName = getTileFileName(t);
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// System.out.println("CMTexture2D: requestTexture: "+tileId);
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if (!new File(fName).exists()) { |
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Rectangle2D tileExtent = computeBBox(t);
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getTileFromLayer(fName, tileExtent); |
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} |
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return fName;
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} |
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public Image getTileAsImage(TileNum tileNum) throws CacheServiceException { |
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if (_loadFailed) {
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throw new CacheServiceException(new Exception()); |
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} |
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String tileId = tileNum.numToOpTileId();
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String fName = getTileFileName(tileNum);
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// System.out.println("CMTexture2D: requestTexture: "+tileId);
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Rectangle2D tileExtent = computeBBox(tileNum);
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return getTileFromLayer(fName, tileExtent);
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} |
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public boolean intersectsLayer(TileNum tileNum) { |
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Rectangle2D tileExtent = computeBBox(tileNum);
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// TODO: use a reprojected layer extent !!!
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/*
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* System.err.println("TILE:
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* ("+tileExtent.getMinX()+","+tileExtent.getMinY()+"),("+
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* tileExtent.getMaxX()+","+tileExtent.getMaxY()+")");
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* System.err.println("CAPA:
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* ("+_lyrExtentRect.getMinX()+","+_lyrExtentRect.getMinY()+"),("+
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* _lyrExtentRect.getMaxX()+","+_lyrExtentRect.getMaxY()+")");
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* System.err.println("INTERSECTA LA
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* CAPAAAAAA??????????:"+_lyrExtentRect.intersects(tileExtent)); return
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* (_lyrExtentRect.intersects(tileExtent));
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*/
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return Math.max(_lyrExtentRect.getMinX(), tileExtent.getMinX()) <= Math |
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.min(_lyrExtentRect.getMaxX(), tileExtent.getMaxX()) |
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&& Math.max(Math.min(_lyrExtentRect.getMinY(), _lyrExtentRect |
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.getMaxY()), tileExtent.getMinY()) <= Math.min(
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Math.max(_lyrExtentRect.getMinY(), _lyrExtentRect
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.getMaxY()), tileExtent.getMaxY()); |
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} |
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} |