gvsig-3d / 2.1 / trunk / org.gvsig.view3d / org.gvsig.view3d.swing / org.gvsig.view3d.swing.impl / src / main / java / org / gvsig / view3d / swing / impl / data / DefaultRasterServer.java @ 472
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 gvSIG Association
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.view3d.swing.impl.data; |
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import gov.nasa.worldwind.WWObjectImpl; |
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import gov.nasa.worldwind.WorldWind; |
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import gov.nasa.worldwind.avlist.AVKey; |
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import gov.nasa.worldwind.avlist.AVList; |
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import gov.nasa.worldwind.cache.BasicRasterServerCache; |
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import gov.nasa.worldwind.cache.MemoryCache; |
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import gov.nasa.worldwind.data.BufferedImageRaster; |
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import gov.nasa.worldwind.data.ByteBufferRaster; |
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import gov.nasa.worldwind.data.CachedDataRaster; |
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import gov.nasa.worldwind.data.DataRaster; |
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import gov.nasa.worldwind.data.DataRasterReader; |
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import gov.nasa.worldwind.data.DataRasterReaderFactory; |
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import gov.nasa.worldwind.data.RasterServer; |
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import gov.nasa.worldwind.formats.dds.DDSCompressor; |
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import gov.nasa.worldwind.geom.Sector; |
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import gov.nasa.worldwind.util.ImageUtil; |
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import java.awt.Transparency; |
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import java.io.IOException; |
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import java.nio.ByteBuffer; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.view3d.swing.api.MapControl3D; |
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import org.gvsig.view3d.swing.impl.DefaultMapControl3D; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* @author <a href="mailto:lmarques@disid.com">Lluis Marques</a>
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*
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*/
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public class DefaultRasterServer extends WWObjectImpl implements RasterServer { |
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private static final Logger LOG = LoggerFactory |
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.getLogger(DefaultRasterServer.class); |
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protected static final MemoryCache cache = new BasicRasterServerCache(); |
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private DataRaster dataRaster;
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/**
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* @param rasterServerParams
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*/
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public DefaultRasterServer(AVList params) {
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if (params == null) { |
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LOG.error("Can't create raster server, raster server parameters are null");
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throw new IllegalArgumentException(); |
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} |
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MapControl3D mapControl3D = |
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(MapControl3D) params.getValue(DefaultMapControl3D.GVSIG_MAPCONTROL3D); |
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if (mapControl3D == null) { |
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LOG.error( |
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"Can not create raster server, missing required parameter: {}",
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DefaultMapControl3D.GVSIG_MAPCONTROL3D); |
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throw new IllegalArgumentException(); |
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} |
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FLayer layer = (FLayer) params.getValue(DefaultMapControl3D.GVSIG_LAYER); |
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if (layer == null) { |
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LOG.error( |
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"Can not create raster server, missing required parameter: {}",
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DefaultMapControl3D.GVSIG_LAYER); |
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throw new IllegalArgumentException(); |
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} |
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this.setValues(params);
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DataRasterReaderFactory readerFactory = |
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(DataRasterReaderFactory) WorldWind |
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.createConfigurationComponent(AVKey.DATA_RASTER_READER_FACTORY_CLASS_NAME); |
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DataRasterReader reader = |
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readerFactory.findReaderFor(layer, params.copy()); |
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try {
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this.dataRaster =
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new CachedDataRaster(layer, params.copy(), reader, cache);
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} catch (IllegalArgumentException e) { |
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LOG.error( |
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"Illegal argument, cached data raster can't be created with this parameters {}",
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new Object[] { layer.getInfoString(), params.toString(), |
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reader.getDescription(), cache.getName() }); |
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return;
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} catch (IOException e) { |
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LOG.error("Can't read {} with {}", layer.getInfoString(), reader.getDescription());
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return;
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} |
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} |
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public ByteBuffer getRasterAsByteBuffer(AVList params) { |
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DataRaster raster = this.composeRaster(params);
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String format = (String) params.getValue(AVKey.IMAGE_FORMAT); |
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if (raster instanceof BufferedImageRaster) { |
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if ("image/png".equalsIgnoreCase(format)) { |
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return ImageUtil.asPNG(raster);
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} else if ("image/jpg".equalsIgnoreCase(format) |
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|| "image/jpeg".equalsIgnoreCase(format)) {
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return ImageUtil.asJPEG(raster);
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} else if ("image/dds".equalsIgnoreCase(format)) { |
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return DDSCompressor
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.compressImage(((BufferedImageRaster) raster) |
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.getBufferedImage()); |
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} |
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} else if (raster instanceof ByteBufferRaster) { |
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// Elevations as BIL16 or as BIL32 are stored in the simple
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// ByteBuffer object
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return ((ByteBufferRaster) raster).getByteBuffer();
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} else {
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LOG.error("Unexpected raster type {}", raster
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.getClass().getName()); |
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throw new IllegalArgumentException(); |
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} |
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return null; |
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} |
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public Sector getSector() {
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return (Sector) this.getValue(AVKey.SECTOR); |
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} |
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private DataRaster composeRaster(AVList reqParams) {
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DataRaster reqRaster; |
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if (reqParams == null) { |
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LOG.error("Can't compose raster, parameters are null");
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throw new IllegalArgumentException(); |
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} |
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if (!reqParams.hasKey(AVKey.WIDTH)) {
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LOG.error("Can't compose raster, missing required parameter: {}",
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AVKey.WIDTH); |
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throw new IllegalArgumentException(); |
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} |
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if (!reqParams.hasKey(AVKey.HEIGHT)) {
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LOG.error("Can't compose raster, missing required parameter: {}",
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AVKey.HEIGHT); |
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throw new IllegalArgumentException(); |
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} |
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Object o = reqParams.getValue(AVKey.SECTOR);
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if (null == o || !(o instanceof Sector)) { |
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LOG.error("Can't compose raster, missing required parameter: {}",
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AVKey.SECTOR); |
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throw new IllegalArgumentException(); |
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} |
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Sector reqSector = (Sector) o; |
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Sector rasterExtent = this.getSector();
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if (!reqSector.intersects(rasterExtent)) {
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LOG.error("Can't compose raster, requerided sector does not intersect with raster server sector");
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throw new IllegalArgumentException(); |
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} |
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int reqWidth = (Integer) reqParams.getValue(AVKey.WIDTH); |
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int reqHeight = (Integer) reqParams.getValue(AVKey.HEIGHT); |
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if (!reqParams.hasKey(AVKey.BYTE_ORDER)) {
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reqParams.setValue(AVKey.BYTE_ORDER, AVKey.BIG_ENDIAN); |
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} |
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if (AVKey.ELEVATION.equals(this.getValue(AVKey.PIXEL_FORMAT))) { |
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reqParams.setValue(AVKey.PIXEL_FORMAT, AVKey.ELEVATION); |
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if (!reqParams.hasKey(AVKey.DATA_TYPE)) {
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reqParams.setValue(AVKey.DATA_TYPE, AVKey.INT16); |
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} |
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reqRaster = |
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new ByteBufferRaster(reqWidth, reqHeight, reqSector, reqParams);
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} else if (AVKey.IMAGE.equals(this.getValue(AVKey.PIXEL_FORMAT))) { |
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reqParams.setValue(AVKey.PIXEL_FORMAT, AVKey.IMAGE); |
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reqRaster = |
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new BufferedImageRaster(reqWidth, reqHeight,
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Transparency.TRANSLUCENT, reqSector);
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} else {
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LOG.error("Unrecognized type of pixel format: {}",
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this.getValue(AVKey.PIXEL_FORMAT));
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throw new IllegalArgumentException(); |
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} |
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this.dataRaster.drawOnTo(reqRaster);
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return reqRaster;
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} |
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} |