svn-gvsig-desktop / branches / org.gvsig.desktop-2018a / org.gvsig.desktop.library / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.buffer.spi / src / main / java / org / gvsig / raster / lib / buffer / spi / operations / AbstractSpecifiedBandsOperation.java @ 43867
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1 | 43803 | fdiaz | /* gvSIG. Desktop Geographic Information System.
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2 | *
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3 | * Copyright ? 2007-2018 gvSIG Association
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4 | *
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5 | * This program is free software; you can redistribute it and/or
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6 | * modify it under the terms of the GNU General Public License
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7 | * as published by the Free Software Foundation; either version 2
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8 | * of the License, or (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program; if not, write to the Free Software
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17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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18 | * MA 02110-1301, USA.
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19 | *
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20 | * For any additional information, do not hesitate to contact us
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21 | * at info AT gvsig.com, or visit our website www.gvsig.com.
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22 | */
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23 | package org.gvsig.raster.lib.buffer.spi.operations; |
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24 | |||
25 | import java.util.ArrayList; |
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26 | import java.util.List; |
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27 | 43865 | jjdelcerro | import org.gvsig.raster.lib.buffer.api.NoData; |
28 | 43803 | fdiaz | |
29 | import org.gvsig.raster.lib.buffer.api.exceptions.BufferOperationException; |
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30 | 43865 | jjdelcerro | import org.gvsig.raster.lib.buffer.api.operations.OperationFactory; |
31 | 43803 | fdiaz | import org.gvsig.raster.lib.buffer.api.operations.SpecifiedBandsOperation; |
32 | import org.gvsig.raster.lib.buffer.spi.exceptions.ProcessingOperationException; |
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33 | |||
34 | /**
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35 | * @author fdiaz
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36 | *
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37 | */
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38 | public abstract class AbstractSpecifiedBandsOperation extends AbstractOperation implements SpecifiedBandsOperation { |
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39 | |||
40 | 43865 | jjdelcerro | private List<Integer> bandsToProcess; |
41 | 43803 | fdiaz | |
42 | /**
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43 | *
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44 | 43865 | jjdelcerro | * @param factory
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45 | 43803 | fdiaz | */
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46 | 43865 | jjdelcerro | public AbstractSpecifiedBandsOperation(OperationFactory factory) {
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47 | super(factory);
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48 | 43803 | fdiaz | } |
49 | 43865 | jjdelcerro | |
50 | public List<Integer> getBandsToProcess() { |
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51 | return this.bandsToProcess; |
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52 | } |
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53 | |||
54 | 43835 | fdiaz | @SuppressWarnings("unchecked") |
55 | 43803 | fdiaz | @Override
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56 | public void preProcess() throws BufferOperationException { |
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57 | super.preProcess();
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58 | 43865 | jjdelcerro | if(this.getParameters().getDynClass().getDynField(BANDS_TO_PROCESS_PARAM)!=null) { |
59 | bandsToProcess = (List<Integer>)this.getParameters().getDynValue(BANDS_TO_PROCESS_PARAM); |
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60 | 43803 | fdiaz | } |
61 | |||
62 | if(this.bandsToProcess==null) { |
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63 | 43865 | jjdelcerro | bandsToProcess = new ArrayList<>(this.getInputBuffer().getBandCount()); |
64 | } |
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65 | if(this.bandsToProcess.isEmpty()){ |
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66 | for (int i=0; i<this.getInputBuffer().getBandCount(); i++){ |
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67 | 43803 | fdiaz | bandsToProcess.add(i); |
68 | } |
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69 | 43835 | fdiaz | } |
70 | 43803 | fdiaz | } |
71 | |||
72 | 43835 | fdiaz | |
73 | /**
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74 | * @param band
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75 | * @return
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76 | */
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77 | protected boolean isProcessableBand(int band) { |
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78 | return bandsToProcess.contains(band);
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79 | } |
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80 | |||
81 | |||
82 | 43803 | fdiaz | @Override
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83 | public void process() throws ProcessingOperationException { |
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84 | super.process();
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85 | } |
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86 | |||
87 | @Override
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88 | public void postProcess() throws BufferOperationException { |
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89 | super.postProcess();
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90 | } |
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91 | 43865 | jjdelcerro | |
92 | |||
93 | /**
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94 | * This is a utility method that return a copy of the NoData of
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95 | * the processable band of the input buffer.
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96 | *
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97 | * @return List of NoDatas
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98 | */
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99 | protected List<NoData> getProcessableBandNoDatas() { |
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100 | int bands = this.getInputBuffer().getBandCount(); |
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101 | List<NoData> noDatas = new ArrayList<>(); |
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102 | for (int band = 0; band < bands; band++) { |
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103 | if (this.isProcessableBand(band)) { |
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104 | noDatas.add(this.getInputBuffer().getBandNoData()[band]);
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105 | } |
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106 | } |
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107 | return noDatas;
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108 | } |
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109 | |||
110 | /**
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111 | * This is a utility method that return a copy of the NoData of
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112 | * the processable band of the input buffer.
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113 | *
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114 | * @return array of NoDatas
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115 | */
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116 | protected NoData[] getProcessableBandNoDatasAsArray() { |
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117 | List<NoData> l = this.getProcessableBandNoDatas(); |
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118 | NoData[] noDatas = l.toArray(new NoData[l.size()]); |
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119 | return noDatas;
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120 | } |
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121 | |||
122 | /**
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123 | * This is a utility method that return a copy of the types of
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124 | * the processable band of the input buffer.
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125 | *
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126 | * @return list of types
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127 | */
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128 | protected List<Integer> getProcessableBandTypes() { |
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129 | int bands = this.getInputBuffer().getBandCount(); |
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130 | List<Integer> types = new ArrayList<>(); |
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131 | for (int band = 0; band < bands; band++) { |
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132 | if (this.isProcessableBand(band)) { |
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133 | types.add(this.getInputBuffer().getBandTypes()[band]);
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134 | } |
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135 | } |
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136 | return types;
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137 | } |
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138 | |||
139 | /**
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140 | * This is a utility method that return a copy of the types of
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141 | * the processable band of the input buffer.
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142 | *
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143 | * @return Array of types
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144 | */
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145 | protected int[] getProcessableBandTypesAsArray() { |
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146 | int[] types = this.getTypesAsArray(this.getProcessableBandTypes()); |
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147 | return types;
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148 | } |
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149 | |||
150 | protected int[] getTypesAsArray(List<Integer> theTypes) { |
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151 | int[] types = new int[theTypes.size()]; |
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152 | int n = 0; |
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153 | for (Integer type : theTypes) { |
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154 | types[n++] = type ; |
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155 | } |
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156 | return types;
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157 | } |
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158 | |||
159 | 43803 | fdiaz | } |