gvsig-raster / 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 @ 6220
History | View | Annotate | Download (5.33 KB)
1 |
package org.gvsig.raster.lib.buffer.impl; |
---|---|
2 |
|
3 |
import java.awt.geom.AffineTransform; |
4 |
import java.awt.geom.NoninvertibleTransformException; |
5 |
import java.io.IOException; |
6 |
import java.util.ArrayList; |
7 |
import java.util.Iterator; |
8 |
import java.util.List; |
9 |
|
10 |
import org.apache.commons.lang3.exception.CloneFailedException; |
11 |
import org.cresques.cts.ICoordTrans; |
12 |
import org.cresques.cts.IProjection; |
13 |
import org.slf4j.Logger; |
14 |
import org.slf4j.LoggerFactory; |
15 |
|
16 |
import org.gvsig.fmap.geom.Geometry; |
17 |
import org.gvsig.fmap.geom.Geometry.SUBTYPES; |
18 |
import org.gvsig.fmap.geom.GeometryLocator; |
19 |
import org.gvsig.fmap.geom.exception.CreateGeometryException; |
20 |
import org.gvsig.fmap.geom.operation.GeometryOperationException; |
21 |
import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
22 |
import org.gvsig.fmap.geom.primitive.Envelope; |
23 |
import org.gvsig.fmap.geom.primitive.Point; |
24 |
import org.gvsig.raster.lib.buffer.api.Band; |
25 |
import org.gvsig.raster.lib.buffer.api.Band.BandByte; |
26 |
import org.gvsig.raster.lib.buffer.api.Band.BandDouble; |
27 |
import org.gvsig.raster.lib.buffer.api.Band.BandFloat; |
28 |
import org.gvsig.raster.lib.buffer.api.Band.BandInt; |
29 |
import org.gvsig.raster.lib.buffer.api.Band.BandShort; |
30 |
import org.gvsig.raster.lib.buffer.api.BandNotification; |
31 |
import org.gvsig.raster.lib.buffer.api.Buffer; |
32 |
import org.gvsig.raster.lib.buffer.api.BufferLocator; |
33 |
import org.gvsig.raster.lib.buffer.api.BufferManager; |
34 |
import org.gvsig.raster.lib.buffer.api.BufferNotification; |
35 |
import org.gvsig.raster.lib.buffer.api.FilterList; |
36 |
import org.gvsig.raster.lib.buffer.api.NoData; |
37 |
import org.gvsig.raster.lib.buffer.api.PageManager; |
38 |
import org.gvsig.raster.lib.buffer.api.exceptions.BandException; |
39 |
import org.gvsig.raster.lib.buffer.api.exceptions.BufferException; |
40 |
import org.gvsig.raster.lib.buffer.api.statistics.Statistics; |
41 |
import org.gvsig.raster.lib.buffer.impl.exceptions.CreateBufferException; |
42 |
import org.gvsig.raster.lib.buffer.impl.statistics.DefaultStatistics; |
43 |
import org.gvsig.tools.ToolsLocator; |
44 |
import org.gvsig.tools.locator.LocatorException; |
45 |
import org.gvsig.tools.observer.Notification; |
46 |
import org.gvsig.tools.observer.Observable; |
47 |
import org.gvsig.tools.observer.impl.BaseWeakReferencingObservable; |
48 |
import org.gvsig.tools.task.SimpleTaskStatus; |
49 |
|
50 |
/**
|
51 |
* @author fdiaz
|
52 |
*
|
53 |
*/
|
54 |
public class DefaultBuffer extends AbstractBuffer { |
55 |
|
56 |
protected static final Logger logger = LoggerFactory.getLogger(DefaultBuffer.class); |
57 |
|
58 |
/**
|
59 |
* Default constructor of buffer.
|
60 |
*
|
61 |
* @param rows
|
62 |
* Rows of buffer and buffer bands.
|
63 |
* @param columns
|
64 |
* Columns of buffer bands.
|
65 |
* @param bandDataTypes
|
66 |
* Type of buffer bands. The band types also indicates the number
|
67 |
* of buffer bands.
|
68 |
* @param bandNoData
|
69 |
* Band noData. If there are bans without NoData, bands will have
|
70 |
* undefined NoData value.
|
71 |
* @param projection
|
72 |
* Projection of buffer
|
73 |
* @param envelope
|
74 |
* Envelope of buffer
|
75 |
* @param pageManagers
|
76 |
* Page manager to paginate this buffer. If page manager is null,
|
77 |
* buffer will be loaded in memory.
|
78 |
* @throws CreateBufferException
|
79 |
* If there are some problems creating buffer.
|
80 |
*/
|
81 |
public DefaultBuffer(int rows, int columns, int[] bandDataTypes, NoData[] bandNoData, IProjection projection, |
82 |
Envelope envelope, List<PageManager> pageManagers) throws CreateBufferException { |
83 |
this.bands = new ArrayList<Band>(); |
84 |
this.rows = rows;
|
85 |
this.columns = columns;
|
86 |
this.projection = projection;
|
87 |
this.envelope = envelope;
|
88 |
try {
|
89 |
if (envelope == null) { |
90 |
this.envelope =
|
91 |
GeometryLocator.getGeometryManager().createEnvelope(0, 0, columns, rows, Geometry.SUBTYPES.GEOM2D); |
92 |
} |
93 |
if(bandDataTypes!=null){ |
94 |
createBands(bandDataTypes, bandNoData, pageManagers); |
95 |
} |
96 |
} catch (Exception e) { |
97 |
throw new CreateBufferException(e); |
98 |
} |
99 |
} |
100 |
|
101 |
private void createBands(int[] bandDataTypes, NoData[] bandNoData, List<PageManager> pageManagers) |
102 |
throws BandException {
|
103 |
|
104 |
BufferManager bufferManager = BufferLocator.getBufferManager(); |
105 |
|
106 |
for (int i = 0; i < bandDataTypes.length; i++) { |
107 |
|
108 |
NoData noDataBand = null;
|
109 |
if (bandNoData != null && i < bandNoData.length) { |
110 |
noDataBand = bandNoData[i]; |
111 |
} |
112 |
|
113 |
PageManager pageManager = null;
|
114 |
if (pageManagers != null && i < pageManagers.size()) { |
115 |
pageManager = pageManagers.get(i); |
116 |
} |
117 |
|
118 |
Band band = bufferManager.createBand(bandDataTypes[i], this.rows, this.columns, noDataBand, pageManager); |
119 |
bands.add(band); |
120 |
band.addObserver(this);
|
121 |
} |
122 |
} |
123 |
|
124 |
@Override
|
125 |
public Object clone() throws CloneNotSupportedException { |
126 |
Buffer cloned;
|
127 |
try {
|
128 |
cloned = |
129 |
BufferLocator.getBufferManager().createBuffer(this.getRows(), this.getColumns(), null, |
130 |
this.getProjection());
|
131 |
} catch (LocatorException | BufferException e) {
|
132 |
throw new CloneNotSupportedException("Can't clone buffer."); |
133 |
} |
134 |
for (int i = 0; i < this.getBandCount(); i++) { |
135 |
cloned.addBand((Band) this.getBand(i).clone());
|
136 |
} |
137 |
return cloned;
|
138 |
} |
139 |
|
140 |
} |