Revision 5488 org.gvsig.raster/branches/org.gvsig.raster.2.4/org.gvsig.raster/org.gvsig.raster.lib/org.gvsig.raster.lib.buffer/org.gvsig.raster.lib.buffer.impl/src/main/java/org/gvsig/raster/lib/buffer/impl/DefaultBuffer.java
| DefaultBuffer.java | ||
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.raster.lib.buffer.api.Buffer; |
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import org.gvsig.raster.lib.buffer.api.BufferManager; |
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import org.gvsig.raster.lib.buffer.api.FilterList; |
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import org.gvsig.raster.lib.buffer.api.NoData; |
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import org.gvsig.raster.lib.buffer.api.RasterLocator; |
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import org.gvsig.raster.lib.buffer.api.exceptions.BandException; |
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import org.gvsig.raster.lib.buffer.api.statistics.Histogram; |
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import org.gvsig.raster.lib.buffer.impl.exceptions.CreateBufferException; |
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import org.gvsig.raster.lib.buffer.impl.statistics.DefaultStatistics; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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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 fdiaz |
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* |
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protected static final Logger logger = LoggerFactory.getLogger(DefaultBuffer.class); |
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private List<Band> bands; |
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private int rows; |
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private int columns; |
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private FilterList filters; |
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private Envelope envelope; |
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private IProjection projection; |
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private BandPageManager bandPageManager; |
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private Statistics statistics; |
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/** |
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* Default constructor of buffer. |
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* |
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* @param rows |
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* Rows of buffer and buffer bands. |
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* @param columns |
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* Columns of buffer bands. |
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* @param bandDataTypes |
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* Type of buffer bands. The band types also indicates the number |
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* of buffer bands. |
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* @param bandNoData |
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* Band noData. If there are bans without NoData, bands will have |
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* undefined NoData value. |
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* @param projection |
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* @param bandPageManager |
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* Projection of buffer |
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* @param envelope |
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* Envelope of buffer |
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* @param pageManager |
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* Page manager to paginate this buffer. If page manager is null, |
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* buffer will be loaded in memory. |
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* @throws CreateBufferException |
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* If there are some problems creating buffer. |
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*/ |
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public DefaultBuffer(int rows, int columns, int[] bandDataTypes, IProjection projection, BandPageManager bandPageManager) throws CreateBufferException {
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public DefaultBuffer(int rows, int columns, int[] bandDataTypes, NoData[] bandNoData, |
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IProjection projection, Envelope envelope, BandPageManager pageManager) |
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throws CreateBufferException {
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this.rows = rows; |
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this.columns = columns; |
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this.projection = projection; |
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this.bandPageManager = bandPageManager; |
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this.envelope = envelope; |
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this.bandPageManager = pageManager; |
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try {
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createBands(bandDataTypes); |
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createBands(bandDataTypes, bandNoData);
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} catch (BandException e) {
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throw new CreateBufferException(e); |
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} |
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} |
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private void createBands(int[] bandDataTypes) throws BandException {
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private void createBands(int[] bandDataTypes, NoData[] bandNoData) throws BandException {
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BufferManager bufferManager = RasterLocator.getBufferManager(); |
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for (int i = 0; i < bandDataTypes.length; i++) {
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bands.add(bufferManager.createBand(bandDataTypes[i], this.rows, this.columns, null, this.bandPageManager)); |
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} |
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} |
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NoData noDataBand = null; |
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if (bandNoData != null && i < bandNoData.length) {
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noDataBand = bandNoData[i]; |
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} |
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/** |
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* @param rows |
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* @param columns |
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* @param projection |
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* @throws CreateBufferException |
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*/ |
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public DefaultBuffer(int rows, int columns, int[] bandDataTypes, IProjection projection) throws CreateBufferException {
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this(rows, columns, bandDataTypes, projection, null); |
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bands.add(bufferManager.createBand(bandDataTypes[i], this.rows, this.columns, |
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noDataBand, this.bandPageManager)); |
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} |
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} |
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@Override |
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public Histogram getHistogram(SimpleTaskStatus status) {
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// TODO Auto-generated method stub |
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return getStatistics(status).getHistogram(); |
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} |
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@Override |
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public Statistics getStatistics(SimpleTaskStatus status) {
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if(statistics == null){
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if (statistics == null) {
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statistics = new DefaultStatistics(bands); |
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} |
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if(!statistics.isCalculated()){
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statistics.calculate(status); //scale ??? |
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if (!statistics.isCalculated()) {
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statistics.calculate(status); // scale ???
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} |
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return statistics; |
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} |
| ... | ... | |
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@Override |
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public Envelope getEnvelope() {
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// TODO Auto-generated method stub |
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//FIXME: ?De d?nde sacamos este envelope? |
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return null; |
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return this.envelope; |
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} |
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@Override |
| ... | ... | |
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@Override |
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public boolean isInside(int cellX, int cellY) {
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return (cellX>=0 && cellX < this.columns && cellY >= 0 && cellY < this.rows);
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return (cellX >= 0 && cellX < this.columns && cellY >= 0 && cellY < this.rows);
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} |
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@Override |
| ... | ... | |
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@Override |
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public void switchBands(int[] positions) {
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List<Integer> visited = new ArrayList<Integer>(); |
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if(positions.length != this.getBandCount()){
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if (positions.length != this.getBandCount()) {
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return; |
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} |
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for(int i = 0; i < positions.length; i++) {
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if(positions[i] >= positions.length || positions[i] < 0) {
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for (int i = 0; i < positions.length; i++) {
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if (positions[i] >= positions.length || positions[i] < 0) {
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return; |
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} |
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Integer position = new Integer(positions[i]); |
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if(visited.contains(position)){
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if (visited.contains(position)) {
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return; |
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} |
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visited.add(position); |
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} |
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List<Band> auxBands = new ArrayList<Band>(bands.size()); |
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for(int i = 0; i < positions.length; i++) {
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for (int i = 0; i < positions.length; i++) {
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auxBands.set(i, bands.get(positions[i])); |
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} |
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bands = auxBands; |
| ... | ... | |
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} |
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@Override |
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public Buffer createInterpolated(int rows, int columns, int interpolationMode, SimpleTaskStatus status) {
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public Buffer createInterpolated(int rows, int columns, int interpolationMode, |
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SimpleTaskStatus status) {
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// TODO Auto-generated method stub |
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return null; |
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} |
| ... | ... | |
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@Override |
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public boolean isPaginated() {
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return bandPageManager!=null;
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return bandPageManager != null;
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} |
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/** |
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*/ |
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public BandsIterator() {
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this.current = 0; |
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if( getBandCount()>0 ) {
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if (getBandCount() > 0) {
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this.band = (Band) getBand(0); |
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} else {
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this.band = null; |
| ... | ... | |
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@Override |
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public boolean hasNext() {
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return this.current < getBandCount() ;
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return this.current < getBandCount(); |
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} |
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@Override |
Also available in: Unified diff