001    //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/tools/raster/RasterTreeUpdater.java $
002    /*----------------------------------------------------------------------------
003     This file is part of deegree, http://deegree.org/
004     Copyright (C) 2001-2009 by:
005       Department of Geography, University of Bonn
006     and
007       lat/lon GmbH
008    
009     This library is free software; you can redistribute it and/or modify it under
010     the terms of the GNU Lesser General Public License as published by the Free
011     Software Foundation; either version 2.1 of the License, or (at your option)
012     any later version.
013     This library is distributed in the hope that it will be useful, but WITHOUT
014     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015     FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016     details.
017     You should have received a copy of the GNU Lesser General Public License
018     along with this library; if not, write to the Free Software Foundation, Inc.,
019     59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020    
021     Contact information:
022    
023     lat/lon GmbH
024     Aennchenstr. 19, 53177 Bonn
025     Germany
026     http://lat-lon.de/
027    
028     Department of Geography, University of Bonn
029     Prof. Dr. Klaus Greve
030     Postfach 1147, 53001 Bonn
031     Germany
032     http://www.geographie.uni-bonn.de/deegree/
033    
034     e-mail: info@deegree.org
035    ----------------------------------------------------------------------------*/
036    package org.deegree.tools.raster;
037    
038    import java.awt.image.BufferedImage;
039    import java.io.File;
040    import java.io.IOException;
041    import java.net.MalformedURLException;
042    import java.net.URL;
043    import java.util.ArrayList;
044    import java.util.List;
045    import java.util.Properties;
046    import java.util.SortedMap;
047    import java.util.TreeMap;
048    
049    import javax.media.jai.JAI;
050    import javax.media.jai.RenderedOp;
051    import javax.media.jai.TiledImage;
052    
053    import net.sf.ehcache.Cache;
054    import net.sf.ehcache.CacheException;
055    import net.sf.ehcache.CacheManager;
056    import net.sf.ehcache.Element;
057    import net.sf.ehcache.store.MemoryStoreEvictionPolicy;
058    
059    import org.deegree.framework.log.ILogger;
060    import org.deegree.framework.log.LoggerFactory;
061    import org.deegree.framework.util.ImageUtils;
062    import org.deegree.framework.util.StringTools;
063    import org.deegree.io.dbaseapi.DBaseException;
064    import org.deegree.io.shpapi.HasNoDBaseFileException;
065    import org.deegree.io.shpapi.ShapeFile;
066    import org.deegree.model.coverage.grid.WorldFile;
067    import org.deegree.model.crs.UnknownCRSException;
068    import org.deegree.model.feature.Feature;
069    import org.deegree.model.feature.FeatureProperty;
070    import org.deegree.model.spatialschema.Envelope;
071    import org.deegree.model.spatialschema.Geometry;
072    import org.deegree.ogcwebservices.wcs.configuration.Resolution;
073    import org.deegree.ogcwebservices.wcs.configuration.ShapeResolution;
074    import org.deegree.ogcwebservices.wcs.describecoverage.CoverageDescriptionDocument;
075    import org.deegree.ogcwebservices.wcs.describecoverage.CoverageOffering;
076    import org.deegree.ogcwebservices.wcs.describecoverage.InvalidCoverageDescriptionExcpetion;
077    import org.xml.sax.SAXException;
078    
079    import com.sun.media.jai.codec.FileSeekableStream;
080    
081    /**
082     * The <code>RasterTreeUpdater</code> is a command line utility that can be used in addition to the
083     * <code>RasterTreeBuilder</code> to update a previously generated raster tree.
084     *
085     * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
086     * @author last edited by: $Author: apoth $
087     *
088     * @version $Revision: 20078 $, $Date: 2009-10-09 11:40:15 +0200 (Fr, 09. Okt 2009) $
089     */
090    public class RasterTreeUpdater {
091    
092        private static final ILogger LOG = LoggerFactory.getLogger( RasterTreeUpdater.class );
093    
094        private RTUConfiguration config;
095    
096        private SortedMap<Double, ShapeResolution> shapeFiles;
097    
098        private Cache imgCache;
099    
100        // is determined automatically off one of the output filenames
101        private String format;
102    
103        /**
104         * Creates a new <code>RasterTreeUpdater</code> configured through the options contained in the passed
105         * configuration
106         *
107         * @param config
108         * @throws IllegalStateException
109         * @throws CacheException
110         * @throws IOException
111         */
112        public RasterTreeUpdater( RTUConfiguration config ) throws IllegalStateException, CacheException, IOException {
113            this.config = config;
114    
115            // a lot of lines just for a simple cache, but what the heck...
116            CacheManager singletonManager = CacheManager.create();
117            if ( singletonManager.getCache( "imgCache" ) == null ) {
118                Cache cache = new Cache( "imgCache", 10, MemoryStoreEvictionPolicy.LFU, false, ".", false, 3600, 3600,
119                                         false, 240, null );
120                singletonManager.addCache( cache );
121                imgCache = singletonManager.getCache( "imgCache" );
122            } else {
123                imgCache = singletonManager.getCache( "imgCache" );
124                imgCache.removeAll();
125            }
126        }
127    
128        /**
129         * loads an image
130         *
131         * @param imageSource
132         * @return
133         * @throws IOException
134         */
135        private TiledImage loadImage( String imageSource )
136                                throws IOException {
137    
138            TiledImage ti = null;
139            Element elem = imgCache.get( imageSource );
140            if ( elem != null ) {
141                ti = (TiledImage) elem.getObjectValue();
142            }
143    
144            if ( ti == null ) {
145                if ( config.verbose ) {
146                    LOG.logInfo( "Cache size: " + imgCache.getSize() );
147                    LOG.logInfo( "Reading image: " + imageSource );
148                }
149    
150                FileSeekableStream fss = new FileSeekableStream( imageSource );
151                RenderedOp rop = JAI.create( "stream", fss );
152                BufferedImage bi = rop.getAsBufferedImage();
153                fss.close();
154                ti = new TiledImage( bi, 500, 500 );
155                imgCache.put( new Element( imageSource, ti ) );
156            }
157    
158            return ti;
159        }
160    
161        /**
162         * Initializes the instance.
163         *
164         * @throws IOException
165         * @throws SAXException
166         * @throws InvalidCoverageDescriptionExcpetion
167         * @throws UnknownCRSException
168         */
169        public void init()
170                                throws IOException, SAXException, InvalidCoverageDescriptionExcpetion, UnknownCRSException {
171            CoverageDescriptionDocument doc = new CoverageDescriptionDocument();
172            doc.load( config.wcsConfiguration );
173    
174            CoverageOffering offering = null;
175            if ( config.coverageName == null ) {
176                offering = doc.getCoverageOfferings()[0];
177            } else {
178                for ( CoverageOffering of : doc.getCoverageOfferings() ) {
179                    if ( of.getName().equals( config.coverageName ) ) {
180                        offering = of;
181                    }
182                }
183            }
184    
185            Resolution[] rs = offering.getExtension().getResolutions();
186            shapeFiles = new TreeMap<Double, ShapeResolution>();
187            for ( Resolution r : rs ) {
188                shapeFiles.put( new Double( r.getMinScale() ), (ShapeResolution) r );
189            }
190    
191        }
192    
193        /**
194         * extracts the envelopes that correspond to the filenames of getfilenames
195         *
196         * @param shapeName
197         * @return
198         * @throws IOException
199         */
200        private ArrayList<Envelope> getEnvelopes( String shapeName )
201                                throws IOException {
202            ShapeFile file = new ShapeFile( shapeName );
203            ArrayList<Envelope> envs = new ArrayList<Envelope>( file.getRecordNum() );
204    
205            for ( int i = 0; i < file.getRecordNum(); ++i ) {
206                Geometry geom = file.getGeometryByRecNo( i + 1 );
207                envs.add( geom.getEnvelope() );
208                if ( config.verbose ) {
209                    LOG.logInfo( StringTools.concat( 200, "Envelope of tile is ", geom.getEnvelope() ) );
210                }
211            }
212            file.close();
213    
214            return envs;
215        }
216    
217        /**
218         * extracts the filenames of the tiles contained within the shape file dbf
219         *
220         * @param shapeName
221         * @return
222         * @throws IOException
223         * @throws HasNoDBaseFileException
224         * @throws DBaseException
225         */
226        private ArrayList<String> getTilenames( String shapeName )
227                                throws IOException, HasNoDBaseFileException, DBaseException {
228            ShapeFile file = new ShapeFile( shapeName );
229            String dirName = new File( shapeName ).getParent();
230            if ( dirName == null ) {
231                dirName = "./";
232            }
233    
234            ArrayList<String> tileNames = new ArrayList<String>( file.getRecordNum() );
235            for ( int i = 0; i < file.getRecordNum(); ++i ) {
236                Feature f = file.getFeatureByRecNo( i + 1 );
237                FeatureProperty[] p = f.getProperties();
238                StringBuffer name = new StringBuffer( 200 );
239                name.append( dirName ).append( "/" );
240                name.append( ( p[1].getValue() == null ) ? "" : p[1].getValue() );
241                name.append( "/" ).append( p[0].getValue() );
242                tileNames.add( name.toString() );
243                if ( config.verbose ) {
244                    LOG.logInfo( StringTools.concat( 200, "Found tile ", name ) );
245                }
246            }
247            file.close();
248    
249            return tileNames;
250        }
251    
252        /**
253         * returns the envelopes of the files to be updated
254         *
255         * @return returns the envelopes of the files to be updated
256         * @throws IOException
257         */
258        private ArrayList<Envelope> getUpdatedEnvelopes()
259                                throws IOException {
260            ArrayList<Envelope> updatedEnvelopes = new ArrayList<Envelope>( config.updatedFiles.size() );
261    
262            for ( String filename : config.updatedFiles ) {
263                WorldFile wf = WorldFile.readWorldFile( filename, config.worldfileType );
264                updatedEnvelopes.add( wf.getEnvelope() );
265                if ( config.verbose ) {
266                    LOG.logInfo( StringTools.concat( 200, "Updating from file ", filename, " with envelope ",
267                                                     wf.getEnvelope() ) );
268                }
269                if ( format == null ) {
270                    format = filename.substring( filename.lastIndexOf( '.' ) + 1 );
271                }
272            }
273    
274            return updatedEnvelopes;
275        }
276    
277        /**
278         * updates the tiles with the image file
279         *
280         * @param filename
281         * @param envelope
282         * @param tileNames
283         * @param tileEnvelopes
284         * @param res
285         * @throws IOException
286         */
287        private void updateFile( String filename, Envelope envelope, List<String> tileNames, List<Envelope> tileEnvelopes,
288                                 double res )
289                                throws IOException {
290    
291            for ( int i = 0; i < tileNames.size(); ++i ) {
292                Envelope env = tileEnvelopes.get( i );
293                if ( !envelope.intersects( env ) ) {
294                    continue;
295                }
296                String tile = tileNames.get( i );
297    
298                // paint the new image on top of the existing one
299                if ( config.verbose ) {
300                    LOG.logInfo( StringTools.concat( 200, "Updating tile ", tile, " with image ", filename ) );
301                }
302    
303                TiledImage tileImage = loadImage( tile );
304                WorldFile wf = WorldFile.readWorldFile( filename, config.worldfileType );
305                TiledImage inputImage = loadImage( filename );
306                Tile t = new Tile( WorldFile.readWorldFile( tile, config.worldfileType ).getEnvelope(), null );
307                BufferedImage out = tileImage.getAsBufferedImage();
308                float[][] data = null;
309                if ( out.getColorModel().getPixelSize() == 16 ) {
310                    // do not use image api if target bitDepth = 16
311                    data = new float[out.getHeight()][out.getWidth()];
312                }
313                RasterTreeBuilder.drawImage( out, data, inputImage, t, wf, res, config.interpolation, null, format,
314                                             config.bitDepth, 0, 1 );
315    
316                String frm = format;
317                if ( "raw".equals( frm ) ) {
318                    frm = "tif";
319                }
320    
321                File file = new File( tile ).getAbsoluteFile();
322    
323                ImageUtils.saveImage( out, file, config.quality );
324    
325            }
326    
327        }
328    
329        /**
330         * a hack to determine the minimum resolution
331         *
332         * @param shapeName
333         * @return
334         * @throws IOException
335         * @throws HasNoDBaseFileException
336         * @throws DBaseException
337         */
338        private double getLevel( String shapeName )
339                                throws IOException, HasNoDBaseFileException, DBaseException {
340            ShapeFile file = new ShapeFile( shapeName );
341            Feature f = file.getFeatureByRecNo( 1 );
342            FeatureProperty[] p = f.getProperties();
343            file.close();
344            return Double.parseDouble( p[1].getValue().toString() );
345        }
346    
347        /**
348         * Updates the images.
349         *
350         * @throws IOException
351         * @throws DBaseException
352         * @throws HasNoDBaseFileException
353         */
354        public void update()
355                                throws IOException, HasNoDBaseFileException, DBaseException {
356            SortedMap<Double, ShapeResolution> shapes = new TreeMap<Double, ShapeResolution>();
357            shapes.putAll( shapeFiles );
358    
359            // stores the envelopes of the files that are being updated
360            ArrayList<Envelope> updatedEnvelopes = getUpdatedEnvelopes();
361    
362            while ( !shapes.isEmpty() ) {
363                ShapeResolution shape = shapes.remove( shapes.firstKey() );
364                String shapeName = shape.getShape().getRootFileName();
365                double res = getLevel( shapeName );
366    
367                LOG.logInfo( StringTools.concat( 200, "Processing shape file ", shapeName, "..." ) );
368    
369                // these store the image filenames of the existing tiles and their envelopes
370                ArrayList<String> tileNames = getTilenames( shapeName );
371                ArrayList<Envelope> envelopes = getEnvelopes( shapeName );
372    
373                for ( int i = 0; i < config.updatedFiles.size(); ++i ) {
374                    String filename = config.updatedFiles.get( i );
375                    Envelope envelope = updatedEnvelopes.get( i );
376    
377                    updateFile( filename, envelope, tileNames, envelopes, res );
378                }
379            }
380        }
381    
382        /**
383         * Prints out usage information and the message, then <code>System.exit</code>s.
384         *
385         * @param message
386         *            can be null
387         */
388        private static void printUsage( String message ) {
389            if ( message != null ) {
390                System.out.println( message );
391                System.out.println();
392            }
393    
394            System.out.println( "Usage:" );
395            System.out.println();
396            System.out.println( "<classpath> <rtu> <options>" );
397            System.out.println( "   where" );
398            System.out.println( "  <rtu>:" );
399            System.out.println( "           java <classpath> org.deegree.tools.raster.RasterTreeUpdater" );
400            System.out.println( "  <classpath>:" );
401            System.out.println( "           -cp <the classpath containing the deegree.jar and " );
402            System.out.println( "                additional required libraries>" );
403            System.out.println( "  <option>:" );
404            System.out.println( "           as follows:" );
405            System.out.println();
406            System.out.println( "  -wcs <URL/filename>:" );
407            System.out.println( "           The URL or a filename of the WCS configuration that was" );
408            System.out.println( "           generated by the RasterTreeBuilder. Mandatory." );
409            System.out.println( "  -name <name>:" );
410            System.out.println( "           The name of the coverage to update. Optional." );
411            System.out.println( "  -verbose:" );
412            System.out.println( "           Print out more informational messages." );
413            System.out.println( "  -interpolation <name>: " );
414            System.out.println( "           The name of the interpolation to be used, as specified in the" );
415            System.out.println( "           RasterTreeBuilder. Optional. Default is Nearest Neighbor." );
416            System.out.println( "  -depth <n>:" );
417            System.out.println( "           The bit depth of the output images. Optional. Default is 16." );
418            System.out.println( "  -quality <n>:" );
419            System.out.println( "           The desired output quality, between 0 and 1. Optional. Default is 0.95." );
420            System.out.println( "  -mapFiles <file1,file2...fileN>:" );
421            System.out.println( "           comma seperated list of image files to update. These files" );
422            System.out.println( "           need to have a corresponding worldfile, as usual." );
423            System.out.println( "  -worldFileType <type>:" );
424            System.out.println( "           How to treat worldfiles that are read. Possible values are outer and" );
425            System.out.println( "           center. Center is the default." );
426        }
427    
428        /**
429         * @param args
430         */
431        public static void main( String[] args ) {
432            try {
433                RTUConfiguration config = new RTUConfiguration( args );
434                RasterTreeUpdater updater = new RasterTreeUpdater( config );
435                updater.init();
436                updater.update();
437            } catch ( MalformedURLException e ) {
438                e.printStackTrace();
439                printUsage( "An URL is malformed." );
440            } catch ( ClassCastException e ) {
441                e.printStackTrace();
442                printUsage( "Data is not defined in shapefiles." );
443            } catch ( IOException e ) {
444                e.printStackTrace();
445                printUsage( "The coverage offering document can not be read:" );
446            } catch ( SAXException e ) {
447                e.printStackTrace();
448                printUsage( "The coverage offering document is not in XML format:" );
449            } catch ( InvalidCoverageDescriptionExcpetion e ) {
450                e.printStackTrace();
451                printUsage( "The coverage offering document is not valid:" );
452            } catch ( UnknownCRSException e ) {
453                e.printStackTrace();
454                printUsage( "The coverage offering document is not sound:" );
455            } catch ( HasNoDBaseFileException e ) {
456                e.printStackTrace();
457                printUsage( "A shapefile has no associated .dbf." );
458            } catch ( DBaseException e ) {
459                e.printStackTrace();
460                printUsage( "A shapefile database is in the wrong format or has errors." );
461            }
462    
463        }
464    
465        /**
466         * <code>RTUConfiguration</code> is a class containing configuration options for the
467         * <code>RasterTreeUpdater</code>.
468         *
469         * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
470         * @author last edited by: $Author: apoth $
471         *
472         * @version 2.0, $Revision: 20078 $, $Date: 2009-10-09 11:40:15 +0200 (Fr, 09. Okt 2009) $
473         *
474         * @since 2.0
475         */
476        public static class RTUConfiguration {
477    
478            /**
479             * The location of the WCS configuration document.
480             */
481            URL wcsConfiguration;
482    
483            /**
484             * The list of image files being updated.
485             */
486            List<String> updatedFiles;
487    
488            /**
489             * The coverage name to update.
490             */
491            String coverageName;
492    
493            /**
494             * Whether to be verbose in logging.
495             */
496            boolean verbose;
497    
498            /**
499             * The interpolation method to be used.
500             */
501            Object interpolation;
502    
503            /**
504             * The bit depth for the output images.
505             */
506            int bitDepth;
507    
508            /**
509             * Desired output image quality.
510             */
511            float quality;
512    
513            /**
514             * Worldfile type used for reading.
515             */
516            WorldFile.TYPE worldfileType;
517    
518            /**
519             *
520             * @param wcsConfiguration
521             * @param updatedFiles
522             * @param coverageName
523             * @param verbose
524             * @param interpolation
525             * @param bitDepth
526             * @param quality
527             * @param worldfileType
528             */
529            public RTUConfiguration( URL wcsConfiguration, List<String> updatedFiles, String coverageName, boolean verbose,
530                                     Object interpolation, int bitDepth, float quality, WorldFile.TYPE worldfileType ) {
531                this.wcsConfiguration = wcsConfiguration;
532                this.updatedFiles = updatedFiles;
533                this.coverageName = coverageName;
534                this.verbose = verbose;
535                this.interpolation = interpolation;
536                this.bitDepth = bitDepth;
537                this.quality = quality;
538                this.worldfileType = worldfileType;
539            }
540    
541            /**
542             * Constructs a new instance through command line arguments.
543             *
544             * @param args
545             *            the command line arguments
546             * @throws MalformedURLException
547             */
548            public RTUConfiguration( String[] args ) throws MalformedURLException {
549    
550                Properties map = new Properties();
551                int i = 0;
552                while ( i < args.length ) {
553                    if ( args[i].equals( "-verbose" ) ) {
554                        map.put( args[i++], "-" );
555                    } else {
556                        map.put( args[i++], args[i++] );
557                    }
558                }
559    
560                try {
561                    wcsConfiguration = new URL( map.getProperty( "-wcs" ) );
562                } catch ( MalformedURLException e ) {
563                    wcsConfiguration = new File( map.getProperty( "-wcs" ) ).toURI().toURL();
564                }
565    
566                coverageName = map.getProperty( "-name" );
567    
568                verbose = map.getProperty( "-verbose" ) != null;
569    
570                if ( map.getProperty( "-interpolation" ) != null ) {
571                    String t = map.getProperty( "-interpolation" );
572                    interpolation = RasterTreeBuilder.createInterpolation( t );
573                } else {
574                    interpolation = RasterTreeBuilder.createInterpolation( "Nearest Neighbor" );
575                }
576    
577                bitDepth = 32;
578                if ( map.getProperty( "-depth" ) != null ) {
579                    bitDepth = Integer.parseInt( map.getProperty( "-depth" ) );
580                }
581    
582                quality = 0.95f;
583                if ( map.getProperty( "-quality" ) != null ) {
584                    quality = Float.parseFloat( map.getProperty( "-quality" ) );
585                }
586    
587                worldfileType = WorldFile.TYPE.CENTER;
588                if ( map.getProperty( "-worldFileType" ) != null ) {
589                    if ( map.getProperty( "-worldFileType" ).equalsIgnoreCase( "outer" ) ) {
590                        worldfileType = WorldFile.TYPE.OUTER;
591                    }
592                }
593    
594                updatedFiles = StringTools.toList( map.getProperty( "-mapFiles" ), ",;", true );
595            }
596    
597            /**
598             * @return true, if the configuration values are sound
599             */
600            public boolean isValidConfiguration() {
601                return updatedFiles.size() > 0 && wcsConfiguration != null;
602            }
603    
604        }
605    
606    }