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* |
* |
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* Contributors: |
* Contributors: |
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* Martin O. J. Schmitz - initial API and implementation |
* Martin O. J. Schmitz - initial API and implementation |
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* Stefan A. Krüger - additional utility classes |
* Stefan A. Tzeggai - additional utility classes |
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******************************************************************************/ |
******************************************************************************/ |
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package skrueger; |
package skrueger; |
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import java.util.Arrays; |
import java.util.Arrays; |
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import java.util.HashMap; |
import java.util.HashMap; |
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import java.util.LinkedList; |
import java.util.LinkedList; |
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import java.util.List; |
import java.util.List; |
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import java.util.Map; |
import java.util.Map; |
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import java.util.SortedMap; |
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import java.util.TreeMap; |
import java.util.TreeMap; |
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import org.apache.log4j.Logger; |
import org.apache.log4j.Logger; |
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import schmitzm.geotools.GTUtil; |
import schmitzm.geotools.GTUtil; |
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import schmitzm.geotools.grid.GridUtil; |
import schmitzm.geotools.grid.GridUtil; |
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import skrueger.geotools.Copyable; |
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import skrueger.i8n.Translation; |
import skrueger.i8n.Translation; |
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/** |
/** |
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* Holds all the additional information needed to paint a Legend for a RasterLayer. |
* Holds all the additional information needed to paint a Legend for a |
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* So far, only Legends for one-band raster layers are supported. |
* RasterLayer. So far, only Legends for one-band raster layers are supported. |
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* |
* |
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* @author <a href="mailto:[email protected]">Stefan Alfons Krüger</a> |
* @author <a href="mailto:[email protected]">Stefan Alfons Tzeggai</a> |
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* |
* |
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* TODO implements {@link Copyable} |
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*/ |
*/ |
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public class RasterLegendData extends TreeMap<Double, Translation> { |
public class RasterLegendData extends TreeMap<Double, Translation> implements |
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static private final Logger LOGGER = Logger.getLogger(RasterLegendData.class); |
Copyable<RasterLegendData> { |
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static private final Logger LOGGER = Logger |
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.getLogger(RasterLegendData.class); |
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private Boolean paintGaps = false; |
private Boolean paintGaps = false; |
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/** |
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* Shall bigger gaps be painted between the raster images |
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*/ |
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public Boolean isPaintGaps() { |
public Boolean isPaintGaps() { |
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return paintGaps; |
return paintGaps; |
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} |
} |
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} |
} |
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/** |
/** |
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* {@link #paintGaps} defines, if gaps should be painted between the legends colors, |
* {@link #paintGaps} defines, if gaps should be painted between the legends |
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* indicating nominal values in the raster (e.g. classifications) |
* colors, indicating nominal values in the raster (e.g. classifications) |
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*/ |
*/ |
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public RasterLegendData(boolean paintGaps) { |
public RasterLegendData(boolean paintGaps) { |
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this.paintGaps = paintGaps; |
this.paintGaps = paintGaps; |
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} |
} |
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public boolean getPaintGaps() { |
/** |
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return paintGaps ; |
* Returns a new list containing all {@link Double} values that shall apear |
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* in the legend. |
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*/ |
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public List<Double> getSortedKeys() { |
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Double[] array = keySet().toArray(new Double[] {}); |
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Arrays.sort(array); |
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final LinkedList<Double> linkedList = new LinkedList<Double>(); |
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for (Double o : array) { |
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linkedList.add(o); |
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} |
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return linkedList; |
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} |
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/** |
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* Creates a sample {@link GridCoverage2D} (size 1x1, WGS84) for each legend |
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* value. These rasters can be used to do visualize the legend item in the |
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* corresponding color via {@link GridCoverageRenderer}. |
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*/ |
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public Map<Double, GridCoverage2D> createSampleRasters() { |
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Map<Double, GridCoverage2D> sampleRaster = new HashMap<Double, GridCoverage2D>(); |
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for (Double rasterValue : keySet()) { |
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GridCoverage2D grid = GridUtil.GRID_FAC.create("Legend_" |
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+ rasterValue, |
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new float[][] { { rasterValue.floatValue() } }, |
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new Envelope2D(GTUtil.WGS84, 0, 0, 1, 1)); |
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sampleRaster.put(rasterValue, grid); |
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} |
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return sampleRaster; |
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} |
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/** |
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* Creates a new {@link RasterLegendData} object with identical values |
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*/ |
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@Override |
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public RasterLegendData copy() { |
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RasterLegendData copy = (RasterLegendData) super.clone(); |
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return copyTo(copy); |
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} |
} |
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// public List<Double> getSortedKeys(){ |
/** |
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// Object[] array = keySet().toArray(); |
* Deep-copies all values of this {@link RasterLegendData} to another |
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// |
* {@link RasterLegendData} |
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// Arrays.sort(array); |
*/ |
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// |
@Override |
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// final LinkedList<Double> linkedList = new LinkedList<Double>(); |
public RasterLegendData copyTo(RasterLegendData target) { |
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// for (Object o : array){ |
target.clear(); |
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// linkedList.add( (Double)o); |
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// } |
target.setPaintGaps(isPaintGaps()); |
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// |
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// return linkedList; |
for (Double o : keySet()) { |
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// |
target.put(new Double(o), get(o).copy()); |
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// } |
} |
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/** |
return target; |
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* Creates a sample {@link GridCoverage2D} (size 1x1, WGS84) for each |
} |
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* legend value. These rasters can be used to do visualize the |
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* legend item in the corresponding color via {@link GridCoverageRenderer}. |
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*/ |
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public SortedMap<Double, GridCoverage2D> createSampleRasters() { |
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SortedMap<Double, GridCoverage2D> sampleRaster = new TreeMap<Double, GridCoverage2D>(); |
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for (Double rasterValue : keySet()) { |
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GridCoverage2D grid = GridUtil.GRID_FAC.create( |
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"Legend_"+rasterValue, |
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new float[][] { { rasterValue.floatValue() } }, |
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new Envelope2D(GTUtil.WGS84, 0,0,1,1) |
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); |
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sampleRaster.put(rasterValue, grid); |
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} |
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return sampleRaster; |
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} |
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} |
} |