svn-gvsig-desktop / tags / v1_0_2_Build_903 / libraries / libjni-gdal / src / gdal_interfaz.c @ 44123
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1 | 716 | igbrotru | /**********************************************************************
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2 | * $Id$
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3 | *
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4 | * Name: gdal_interfaz.c
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5 | * Project: JGDAL. Interface java to gdal (Frank Warmerdam).
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6 | * Purpose: dataset's Basic Funcions.
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7 | * Author: Nacho Brodin, brodin_ign@gva.es
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8 | *
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9 | **********************************************************************/
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10 | 2210 | igbrotru | /* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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11 | *
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12 | * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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13 | *
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14 | * This program is free software; you can redistribute it and/or
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15 | * modify it under the terms of the GNU General Public License
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16 | * as published by the Free Software Foundation; either version 2
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17 | * of the License, or (at your option) any later version.
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18 | *
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19 | * This program is distributed in the hope that it will be useful,
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20 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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22 | * GNU General Public License for more details.
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23 | *
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24 | * You should have received a copy of the GNU General Public License
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25 | * along with this program; if not, write to the Free Software
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26 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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27 | *
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28 | * For more information, contact:
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29 | *
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30 | * Generalitat Valenciana
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31 | * Conselleria d'Infraestructures i Transport
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32 | * Av. Blasco Ib??ez, 50
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33 | * 46010 VALENCIA
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34 | * SPAIN
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35 | *
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36 | * +34 963862235
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37 | * gvsig@gva.es
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38 | * www.gvsig.gva.es
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39 | *
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40 | * or
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41 | *
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42 | * IVER T.I. S.A
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43 | * Salamanca 50
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44 | * 46005 Valencia
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45 | * Spain
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46 | *
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47 | * +34 963163400
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48 | * dac@iver.es
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49 | 3540 | nacho | *
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50 | * [01] 01-Oct-2005 nbt OpenArray function to support name parameter in char array
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51 | 2210 | igbrotru | */
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52 | 716 | igbrotru | |
53 | |||
54 | #include <jni.h> |
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55 | 791 | igbrotru | #include "es_gva_cit_jgdal_Gdal.h" |
56 | #include "es_gva_cit_jgdal_JNIBase.h" |
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57 | 716 | igbrotru | #include "gdal.h" |
58 | #include "cpl_string.h" |
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59 | |||
60 | |||
61 | |||
62 | /******************************************************************************/
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63 | // Open
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64 | /******************************************************************************/
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65 | |||
66 | |||
67 | 791 | igbrotru | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openNat |
68 | 716 | igbrotru | (JNIEnv *env, jobject obj, jstring pszF, jint acc){ |
69 | |||
70 | const char *pszFilename; |
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71 | GDALDatasetH *dataset; |
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72 | jlong jresult = 0 ;
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73 | FILE *fich; |
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74 | |||
75 | pszFilename = (*env)->GetStringUTFChars(env, pszF, 0);
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76 | |||
77 | fich=fopen( pszFilename, "r" );
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78 | if( fich )
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79 | fclose(fich); |
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80 | else
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81 | { |
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82 | fclose(fich); |
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83 | return -1; |
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84 | } |
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85 | |||
86 | GDALAllRegister(); |
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87 | dataset = GDALOpen((char *)pszFilename,(int)acc); |
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88 | |||
89 | *(GDALDatasetH **)&jresult = dataset; |
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90 | |||
91 | (*env)->ReleaseStringUTFChars(env, pszF, pszFilename); |
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92 | |||
93 | |||
94 | if(dataset==NULL)return -1; |
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95 | else return jresult; |
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96 | |||
97 | } |
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98 | 3540 | nacho | |
99 | /******************************************************************************/
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100 | // OpenArray
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101 | /******************************************************************************/
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102 | 716 | igbrotru | |
103 | |||
104 | 3540 | nacho | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openArrayNat |
105 | (JNIEnv *env, jobject obj, jbyteArray pszF, jint acc){ |
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106 | |||
107 | jbyte *pszFilename = NULL;
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108 | 6011 | nacho | jbyte *aux = NULL;
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109 | 3540 | nacho | GDALDatasetH *dataset; |
110 | jlong jresult = 0 ;
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111 | FILE *fich; |
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112 | jsize longitud = 0, i;
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113 | char *p;
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114 | |||
115 | longitud = (*env)->GetArrayLength(env, pszF); |
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116 | pszFilename = (*env)->GetByteArrayElements(env, pszF, 0);
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117 | 6011 | nacho | |
118 | #ifdef __linux__
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119 | pszFilename = (jbyte *)realloc(pszFilename, longitud + 1);
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120 | #else
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121 | aux = (jbyte *)malloc(sizeof(jbyte) * (longitud + 1)); |
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122 | memcpy(aux, pszFilename, longitud); |
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123 | free(pszFilename); |
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124 | pszFilename = aux; |
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125 | #endif
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126 | |||
127 | 3540 | nacho | pszFilename[longitud] = '\0';
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128 | |||
129 | fich = fopen( pszFilename, "r" );
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130 | if( fich )
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131 | fclose(fich); |
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132 | else
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133 | return -1; |
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134 | |||
135 | GDALAllRegister(); |
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136 | dataset = GDALOpen((char *)pszFilename,(int)acc); |
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137 | |||
138 | *(GDALDatasetH **)&jresult = dataset; |
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139 | |||
140 | (*env)->ReleaseByteArrayElements(env, pszF, pszFilename, 0);
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141 | |||
142 | if(dataset == NULL) |
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143 | return -1; |
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144 | else
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145 | return jresult;
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146 | |||
147 | } |
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148 | |||
149 | |||
150 | 716 | igbrotru | /******************************************************************************/
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151 | // GetRasterXSize
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152 | /******************************************************************************/
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153 | |||
154 | |||
155 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterXSizeNat |
156 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
157 | |||
158 | int res=-1; |
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159 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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160 | |||
161 | dt = *(GDALDatasetH **)&cPtr; |
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162 | if(dt!=NULL) |
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163 | res = GDALGetRasterXSize(dt); |
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164 | |||
165 | |||
166 | return res;
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167 | |||
168 | } |
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169 | |||
170 | |||
171 | /******************************************************************************/
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172 | // GetRasterYSize
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173 | /******************************************************************************/
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174 | |||
175 | |||
176 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterYSizeNat |
177 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
178 | |||
179 | int res=-1; |
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180 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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181 | |||
182 | dt = *(GDALDatasetH **)&cPtr; |
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183 | if(dt!=NULL) |
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184 | res = GDALGetRasterYSize(dt); |
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185 | |||
186 | |||
187 | return res;
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188 | |||
189 | } |
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190 | |||
191 | /******************************************************************************/
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192 | // GetRasterCount
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193 | /******************************************************************************/
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194 | |||
195 | |||
196 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterCountNat |
197 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
198 | |||
199 | int res=-1; |
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200 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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201 | |||
202 | dt = *(GDALDatasetH **)&cPtr; |
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203 | if(dt!=NULL) |
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204 | res = GDALGetRasterCount(dt); |
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205 | |||
206 | |||
207 | return res;
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208 | } |
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209 | |||
210 | |||
211 | /******************************************************************************/
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212 | // GetMetadata
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213 | /******************************************************************************/
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214 | |||
215 | |||
216 | 791 | igbrotru | JNIEXPORT jobjectArray JNICALL Java_es_gva_cit_jgdal_Gdal_getMetadataNat |
217 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jstring pszDomain){ |
218 | |||
219 | 5866 | nacho | char **papszMetadata = NULL; |
220 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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221 | int i = 0; |
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222 | int nmetadatos = 0; |
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223 | jclass class_string; |
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224 | jobjectArray vector_str; |
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225 | |||
226 | 716 | igbrotru | dt = *(GDALDatasetH **)&cPtr; |
227 | 5866 | nacho | |
228 | if(dt != NULL){ |
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229 | //Obtenemos los metadatos sobre papszMetadata
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230 | 716 | igbrotru | papszMetadata = GDALGetMetadata( dt, NULL );
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231 | |||
232 | //Si hay metadatos devolvemos creamos el vector de String de java y los devolvemos
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233 | |||
234 | nmetadatos = CSLCount(papszMetadata); |
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235 | 5866 | nacho | if( nmetadatos > 0 ){ |
236 | 716 | igbrotru | class_string = (*env)->FindClass (env, "java/lang/String");
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237 | 5866 | nacho | vector_str = (*env)->NewObjectArray(env, nmetadatos, class_string, (*env)->NewStringUTF(env,""));
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238 | 716 | igbrotru | |
239 | //Cargamos los metadatos
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240 | |||
241 | 5924 | nacho | for( i = 0; papszMetadata[i] != NULL; i++ ) |
242 | 716 | igbrotru | (*env)->SetObjectArrayElement(env,vector_str,i,(*env)->NewStringUTF(env,papszMetadata[i])); |
243 | 5924 | nacho | |
244 | 716 | igbrotru | return vector_str;
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245 | } |
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246 | } |
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247 | |||
248 | return NULL; |
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249 | } |
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250 | |||
251 | |||
252 | |||
253 | |||
254 | |||
255 | /******************************************************************************/
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256 | // GetRasterBand
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257 | /******************************************************************************/
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258 | |||
259 | |||
260 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getRasterBandNat |
261 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jint hBand){ |
262 | |||
263 | |||
264 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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265 | GDALRasterBandH *rasterband=NULL;
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266 | jlong jresult = 0;
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267 | |||
268 | dt = *(GDALDatasetH **)&cPtr; |
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269 | |||
270 | if(dt!=NULL){ |
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271 | rasterband = GDALGetRasterBand(dt,(int)hBand);
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272 | *(GDALDatasetH **)&jresult = rasterband; |
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273 | }else return -1; |
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274 | |||
275 | return jresult;
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276 | |||
277 | } |
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278 | |||
279 | |||
280 | /******************************************************************************/
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281 | // GetGeoTransform
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282 | /******************************************************************************/
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283 | |||
284 | |||
285 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getGeoTransformNat |
286 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
287 | |||
288 | jclass class_geotransform; |
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289 | jfieldID id_campo; |
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290 | double adfgt[6]; |
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291 | jdoubleArray doublearray; |
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292 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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293 | |||
294 | |||
295 | dt = *(GDALDatasetH **)&cPtr; |
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296 | |||
297 | if(dt!=NULL){ |
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298 | |||
299 | //Obtenemos el objeto java que contendr? el vector geotransform
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300 | |||
301 | |||
302 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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303 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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304 | |||
305 | |||
306 | //Cargamos el buffer llamando a GDALRasterIO
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307 | |||
308 | |||
309 | if(GDALGetGeoTransform(dt,adfgt)==CE_None){
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310 | doublearray = (*env)->NewDoubleArray(env,6);
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311 | if(doublearray!=NULL){ |
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312 | (*env)->SetDoubleArrayRegion(env, doublearray, 0, 6,(jdouble *)adfgt); |
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313 | (*env)->SetObjectField(env, gt, id_campo, doublearray); |
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314 | } |
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315 | }else return -1; |
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316 | |||
317 | }else return -1; |
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318 | |||
319 | return 0; |
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320 | |||
321 | } |
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322 | |||
323 | /******************************************************************************/
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324 | // setGeoTransformNat
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325 | /******************************************************************************/
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326 | |||
327 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setGeoTransformNat |
328 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
329 | |||
330 | jclass class_geotransform; |
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331 | jfieldID id_campo; |
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332 | double adfgt[6]; |
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333 | jdoubleArray doublearray; |
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334 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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335 | |||
336 | dt = *(GDALDatasetH **)&cPtr; |
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337 | |||
338 | if(dt!=NULL){ |
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339 | |||
340 | //Obtenemos los valores pasados en el vector gt
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341 | |||
342 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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343 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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344 | doublearray =(jdoubleArray)(*env)->GetObjectField(env, gt, id_campo); |
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345 | (*env)->GetDoubleArrayRegion(env,doublearray,0,6,(jdouble *)adfgt); |
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346 | |||
347 | GDALSetGeoTransform( dt, adfgt ); |
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348 | return 0; |
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349 | } |
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350 | return -1; |
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351 | |||
352 | } |
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353 | |||
354 | /******************************************************************************/
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355 | // GetProjectionRef
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356 | /******************************************************************************/
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357 | |||
358 | |||
359 | 791 | igbrotru | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getProjectionRefNat |
360 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
361 | |||
362 | char *pszProjection=NULL; |
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363 | jstring pszP=NULL;
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364 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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365 | |||
366 | |||
367 | dt = *(GDALDatasetH **)&cPtr; |
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368 | |||
369 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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370 | |||
371 | if(dt!=NULL){ |
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372 | pszProjection = (char *) GDALGetProjectionRef(dt);
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373 | if(pszProjection!=NULL) |
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374 | pszP = (*env)->NewStringUTF(env, pszProjection); |
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375 | } |
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376 | |||
377 | return pszP;
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378 | |||
379 | } |
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380 | |||
381 | 4282 | nacho | /************************************************************************/
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382 | /* getDriverShortNameNat() */
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383 | /************************************************************************/
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384 | |||
385 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverShortNameNat |
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386 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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387 | |||
388 | char *pszShortName=NULL; |
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389 | jstring pszSN=NULL;
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390 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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391 | GDALDriverH hDriver; |
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392 | |||
393 | dt = *(GDALDatasetH **)&cPtr; |
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394 | |||
395 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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396 | |||
397 | if(dt!=NULL){ |
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398 | hDriver = GDALGetDatasetDriver( dt ); |
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399 | pszShortName = (char *) GDALGetDriverShortName(hDriver);
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400 | if(pszShortName!=NULL) |
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401 | pszSN = (*env)->NewStringUTF(env, pszShortName); |
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402 | } |
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403 | |||
404 | return pszSN;
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405 | } |
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406 | |||
407 | 716 | igbrotru | /******************************************************************************/
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408 | // setProjection
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409 | /******************************************************************************/
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410 | |||
411 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setProjectionNat |
412 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jstring proj){ |
413 | |||
414 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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415 | |||
416 | dt = *(GDALDatasetH **)&cPtr; |
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417 | if(dt!=NULL){ |
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418 | const char *projeccion = (*env)->GetStringUTFChars(env, proj, 0); |
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419 | GDALSetProjection( dt, projeccion ); |
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420 | (*env)->ReleaseStringUTFChars(env, proj, projeccion); |
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421 | return 1; |
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422 | } |
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423 | |||
424 | return -1; |
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425 | } |
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426 | |||
427 | |||
428 | /******************************************************************************/
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429 | // Close
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430 | /******************************************************************************/
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431 | |||
432 | |||
433 | 791 | igbrotru | JNIEXPORT void JNICALL Java_es_gva_cit_jgdal_Gdal_closeNat
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434 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
435 | |||
436 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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437 | |||
438 | dt = *(GDALDatasetH **)&cPtr; |
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439 | GDALClose(dt); |
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440 | |||
441 | } |
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442 | |||
443 | |||
444 | /************************************************************************/
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445 | /* GDALGetDriverByName() */
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446 | /************************************************************************/
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447 | |||
448 | 791 | igbrotru | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverByNameNat |
449 | 716 | igbrotru | (JNIEnv *env, jclass clase, jstring name){ |
450 | |||
451 | const char *namedrv; |
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452 | GDALDriverH *drv; |
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453 | |||
454 | jlong jresult=-1;
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455 | |||
456 | 834 | igbrotru | if(GDALGetDriverCount()<=0)GDALAllRegister(); |
457 | |||
458 | 716 | igbrotru | namedrv = (*env)->GetStringUTFChars(env, name, 0);
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459 | |||
460 | drv=GDALGetDriverByName(namedrv); |
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461 | |||
462 | *(GDALDriverH **)&jresult = drv; |
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463 | |||
464 | (*env)->ReleaseStringUTFChars(env, name, namedrv); |
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465 | |||
466 | return (long)jresult; |
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467 | } |
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468 | |||
469 | |||
470 | /************************************************************************/
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471 | /* getGCPCountNat() */
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472 | /************************************************************************/
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473 | |||
474 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getGCPCountNat |
475 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
476 | |||
477 | int res=-1; |
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478 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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479 | |||
480 | dt = *(GDALDatasetH **)&cPtr; |
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481 | if(dt!=NULL) |
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482 | res = GDALGetGCPCount(dt); |
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483 | |||
484 | |||
485 | return res;
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486 | } |
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487 | |||
488 | 5911 | nacho | /******************************************************************************/
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489 | // GetColorInterpretationName
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490 | /******************************************************************************/
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491 | |||
492 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getColorInterpretationNameNat |
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493 | (JNIEnv *env, jobject obj, jlong cPtr, jint ci){ |
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494 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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495 | char *name = NULL; |
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496 | jstring typeName = NULL;
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497 | |||
498 | dt = *(GDALDatasetH **)&cPtr; |
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499 | name = GDALGetColorInterpretationName(ci); |
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500 | typeName = (*env)->NewStringUTF(env, name); |
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501 | return typeName;
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502 | } |
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503 |