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 / TiledBandDouble.java @ 8800
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1 | 6337 | dmartinezizquierdo | package org.gvsig.raster.lib.buffer.impl; |
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2 | |||
3 | import java.nio.DoubleBuffer; |
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4 | import java.util.Arrays; |
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5 | |||
6 | import org.gvsig.raster.lib.buffer.api.Band.BandDouble; |
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7 | import org.gvsig.raster.lib.buffer.api.BandNotification; |
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8 | import org.gvsig.raster.lib.buffer.api.BandTileManager; |
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9 | import org.gvsig.raster.lib.buffer.api.BufferManager; |
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10 | import org.gvsig.raster.lib.buffer.api.NoData; |
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11 | |||
12 | /**
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13 | * Tiled band double
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14 | * @author dmartinezizquierdo
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15 | *
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16 | */
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17 | public class TiledBandDouble extends AbstractTiledBand implements BandDouble { |
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18 | |||
19 | /**
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20 | * Default Constructor
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21 | * @param rows
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22 | * @param columns
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23 | * @param noData
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24 | * @param tileManager
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25 | */
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26 | public TiledBandDouble(int rows, int columns, NoData noData, BandTileManager tileManager) { |
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27 | super(rows, columns, noData, tileManager);
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28 | 6487 | fdiaz | data = DoubleBuffer.allocate(calculateBufferSizeToAllocate(rows, columns));
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29 | 6337 | dmartinezizquierdo | |
30 | } |
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31 | |||
32 | @Override
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33 | public int getDataType() { |
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34 | return BufferManager.TYPE_DOUBLE;
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35 | } |
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36 | |||
37 | protected int getDataSize() { |
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38 | return 8; |
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39 | } |
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40 | |||
41 | @Override
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42 | public Object get(int row, int column) { |
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43 | return getValue(row, column);
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44 | } |
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45 | |||
46 | @Override
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47 | protected void doSet(int row, int column, Object value) { |
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48 | setValue(row, column, (double) value);
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49 | } |
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50 | |||
51 | @Override
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52 | protected void doFill(Object value) { |
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53 | value = nullValueToNoData(value); |
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54 | if(value == null){ |
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55 | value = 0;
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56 | } |
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57 | for(int row=0; row<this.rows; row+=this.rowsInTile){ |
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58 | for(int column=0; column<this.columns; column+=this.columnsInTile){ |
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59 | loadTile(row,column); |
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60 | Arrays.fill((double[])data.array(), (double)value); |
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61 | } |
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62 | } |
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63 | } |
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64 | |||
65 | @Override
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66 | public double getValue(int row, int column) { |
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67 | loadTile(row, column); |
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68 | return ((DoubleBuffer) data).get( ((row-firstRowOfTile)*this.columnsInTile) + (column-firstColumnOfTile)); |
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69 | } |
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70 | |||
71 | @Override
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72 | public void setValue(int row, int column, double value) { |
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73 | doSetValue(row, column, value); |
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74 | notifyObservers(new DefaultBandNotification(BandNotification.SET, new Object[]{row, column, value})); |
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75 | } |
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76 | |||
77 | protected void doSetValue(int row, int column, double value) { |
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78 | loadTile(row,column); |
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79 | ((DoubleBuffer) data).put(((row-firstRowOfTile)*this.columnsInTile) + (column-firstColumnOfTile), value); |
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80 | } |
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81 | |||
82 | @Override
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83 | public double[] createRowBuffer() { |
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84 | return new double[getColumns()]; |
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85 | } |
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86 | |||
87 | @Override
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88 | public void fetchRow(int row, Object rowBuffer) { |
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89 | double[] target = (double[]) rowBuffer; |
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90 | for(int column=0; column<this.columns; column+=this.columnsInTile){ |
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91 | loadTile(row,column); |
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92 | double[] source = (double[]) data.array(); |
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93 | System.arraycopy(source, (row-firstRowOfTile)*this.columnsInTile, target, column, this.columnsInTile); |
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94 | } |
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95 | } |
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96 | |||
97 | @Override
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98 | protected void doPutRow(int row, Object rowBuffer) { |
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99 | double[] source = (double[]) rowBuffer; |
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100 | for(int column=0; column<this.columns; column+=this.columnsInTile){ |
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101 | loadTile(row,column); |
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102 | double[] target = (double[]) data.array(); |
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103 | System.arraycopy(source, column, target, (row-firstRowOfTile)*this.columnsInTile, this.columnsInTile); |
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104 | } |
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105 | } |
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106 | |||
107 | } |