svn-gvsig-desktop / tags / v1_2_Build_1207 / libraries / libjni-gdal / src / gdal_interfaz.c @ 41849
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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 | 15691 | nbrodin | #include "signal.h" |
60 | 716 | igbrotru | |
61 | |||
62 | |||
63 | /******************************************************************************/
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64 | // Open
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65 | /******************************************************************************/
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66 | |||
67 | |||
68 | 791 | igbrotru | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openNat |
69 | 716 | igbrotru | (JNIEnv *env, jobject obj, jstring pszF, jint acc){ |
70 | |||
71 | const char *pszFilename; |
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72 | GDALDatasetH *dataset; |
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73 | jlong jresult = 0 ;
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74 | FILE *fich; |
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75 | 15691 | nbrodin | |
76 | 716 | igbrotru | pszFilename = (*env)->GetStringUTFChars(env, pszF, 0);
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77 | |||
78 | fich=fopen( pszFilename, "r" );
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79 | if( fich )
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80 | fclose(fich); |
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81 | else
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82 | { |
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83 | fclose(fich); |
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84 | return -1; |
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85 | } |
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86 | |||
87 | GDALAllRegister(); |
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88 | dataset = GDALOpen((char *)pszFilename,(int)acc); |
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89 | |||
90 | *(GDALDatasetH **)&jresult = dataset; |
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91 | |||
92 | (*env)->ReleaseStringUTFChars(env, pszF, pszFilename); |
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93 | |||
94 | |||
95 | if(dataset==NULL)return -1; |
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96 | else return jresult; |
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97 | |||
98 | } |
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99 | 3540 | nacho | |
100 | /******************************************************************************/
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101 | // OpenArray
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102 | /******************************************************************************/
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103 | 15691 | nbrodin | void handler(int n) { |
104 | #ifdef __linux__
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105 | raise(SIGALRM); |
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106 | #else
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107 | raise(SIGABRT); |
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108 | #endif
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109 | } |
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110 | 716 | igbrotru | |
111 | 3540 | nacho | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openArrayNat |
112 | (JNIEnv *env, jobject obj, jbyteArray pszF, jint acc){ |
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113 | |||
114 | jbyte *pszFilename = NULL;
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115 | 6011 | nacho | jbyte *aux = NULL;
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116 | 3540 | nacho | GDALDatasetH *dataset; |
117 | jlong jresult = 0 ;
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118 | FILE *fich; |
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119 | jsize longitud = 0, i;
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120 | 15691 | nbrodin | signal(SIGSEGV, handler); |
121 | |||
122 | 3540 | nacho | longitud = (*env)->GetArrayLength(env, pszF); |
123 | pszFilename = (*env)->GetByteArrayElements(env, pszF, 0);
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124 | 6011 | nacho | |
125 | #ifdef __linux__
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126 | pszFilename = (jbyte *)realloc(pszFilename, longitud + 1);
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127 | #else
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128 | aux = (jbyte *)malloc(sizeof(jbyte) * (longitud + 1)); |
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129 | memcpy(aux, pszFilename, longitud); |
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130 | free(pszFilename); |
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131 | pszFilename = aux; |
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132 | #endif
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133 | |||
134 | 3540 | nacho | pszFilename[longitud] = '\0';
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135 | |||
136 | fich = fopen( pszFilename, "r" );
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137 | if( fich )
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138 | fclose(fich); |
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139 | else
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140 | return -1; |
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141 | |||
142 | GDALAllRegister(); |
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143 | dataset = GDALOpen((char *)pszFilename,(int)acc); |
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144 | |||
145 | *(GDALDatasetH **)&jresult = dataset; |
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146 | |||
147 | (*env)->ReleaseByteArrayElements(env, pszF, pszFilename, 0);
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148 | |||
149 | if(dataset == NULL) |
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150 | return -1; |
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151 | else
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152 | return jresult;
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153 | |||
154 | } |
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155 | |||
156 | |||
157 | 716 | igbrotru | /******************************************************************************/
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158 | // GetRasterXSize
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159 | /******************************************************************************/
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160 | |||
161 | |||
162 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterXSizeNat |
163 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
164 | |||
165 | int res=-1; |
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166 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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167 | 15691 | nbrodin | |
168 | dt = *(GDALDatasetH **)&cPtr; |
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169 | 716 | igbrotru | if(dt!=NULL) |
170 | res = GDALGetRasterXSize(dt); |
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171 | |||
172 | |||
173 | return res;
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174 | |||
175 | } |
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176 | |||
177 | |||
178 | /******************************************************************************/
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179 | // GetRasterYSize
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180 | /******************************************************************************/
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181 | |||
182 | |||
183 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterYSizeNat |
184 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
185 | |||
186 | int res=-1; |
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187 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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188 | |||
189 | dt = *(GDALDatasetH **)&cPtr; |
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190 | if(dt!=NULL) |
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191 | res = GDALGetRasterYSize(dt); |
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192 | |||
193 | |||
194 | return res;
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195 | |||
196 | } |
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197 | |||
198 | /******************************************************************************/
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199 | // GetRasterCount
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200 | /******************************************************************************/
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201 | |||
202 | |||
203 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterCountNat |
204 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
205 | |||
206 | int res=-1; |
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207 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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208 | |||
209 | dt = *(GDALDatasetH **)&cPtr; |
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210 | if(dt!=NULL) |
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211 | res = GDALGetRasterCount(dt); |
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212 | |||
213 | |||
214 | return res;
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215 | } |
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216 | |||
217 | |||
218 | /******************************************************************************/
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219 | // GetMetadata
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220 | /******************************************************************************/
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221 | |||
222 | |||
223 | 791 | igbrotru | JNIEXPORT jobjectArray JNICALL Java_es_gva_cit_jgdal_Gdal_getMetadataNat |
224 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jstring pszDomain){ |
225 | |||
226 | 5866 | nacho | char **papszMetadata = NULL; |
227 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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228 | int i = 0; |
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229 | int nmetadatos = 0; |
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230 | jclass class_string; |
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231 | jobjectArray vector_str; |
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232 | |||
233 | 716 | igbrotru | dt = *(GDALDatasetH **)&cPtr; |
234 | 5866 | nacho | |
235 | if(dt != NULL){ |
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236 | //Obtenemos los metadatos sobre papszMetadata
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237 | 716 | igbrotru | papszMetadata = GDALGetMetadata( dt, NULL );
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238 | |||
239 | //Si hay metadatos devolvemos creamos el vector de String de java y los devolvemos
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240 | |||
241 | nmetadatos = CSLCount(papszMetadata); |
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242 | 5866 | nacho | if( nmetadatos > 0 ){ |
243 | 716 | igbrotru | class_string = (*env)->FindClass (env, "java/lang/String");
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244 | 5866 | nacho | vector_str = (*env)->NewObjectArray(env, nmetadatos, class_string, (*env)->NewStringUTF(env,""));
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245 | 716 | igbrotru | |
246 | //Cargamos los metadatos
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247 | |||
248 | 5924 | nacho | for( i = 0; papszMetadata[i] != NULL; i++ ) |
249 | 716 | igbrotru | (*env)->SetObjectArrayElement(env,vector_str,i,(*env)->NewStringUTF(env,papszMetadata[i])); |
250 | 5924 | nacho | |
251 | 716 | igbrotru | return vector_str;
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252 | } |
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253 | } |
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254 | |||
255 | return NULL; |
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256 | } |
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257 | |||
258 | |||
259 | |||
260 | |||
261 | |||
262 | /******************************************************************************/
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263 | // GetRasterBand
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264 | /******************************************************************************/
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265 | |||
266 | |||
267 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getRasterBandNat |
268 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jint hBand){ |
269 | |||
270 | |||
271 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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272 | GDALRasterBandH *rasterband=NULL;
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273 | jlong jresult = 0;
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274 | |||
275 | dt = *(GDALDatasetH **)&cPtr; |
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276 | |||
277 | if(dt!=NULL){ |
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278 | rasterband = GDALGetRasterBand(dt,(int)hBand);
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279 | *(GDALDatasetH **)&jresult = rasterband; |
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280 | }else return -1; |
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281 | |||
282 | return jresult;
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283 | |||
284 | } |
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285 | |||
286 | |||
287 | /******************************************************************************/
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288 | // GetGeoTransform
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289 | /******************************************************************************/
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290 | |||
291 | |||
292 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getGeoTransformNat |
293 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
294 | |||
295 | jclass class_geotransform; |
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296 | jfieldID id_campo; |
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297 | double adfgt[6]; |
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298 | jdoubleArray doublearray; |
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299 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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300 | |||
301 | |||
302 | dt = *(GDALDatasetH **)&cPtr; |
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303 | |||
304 | if(dt!=NULL){ |
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305 | |||
306 | //Obtenemos el objeto java que contendr? el vector geotransform
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307 | |||
308 | |||
309 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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310 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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311 | |||
312 | |||
313 | //Cargamos el buffer llamando a GDALRasterIO
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314 | |||
315 | |||
316 | if(GDALGetGeoTransform(dt,adfgt)==CE_None){
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317 | doublearray = (*env)->NewDoubleArray(env,6);
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318 | if(doublearray!=NULL){ |
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319 | (*env)->SetDoubleArrayRegion(env, doublearray, 0, 6,(jdouble *)adfgt); |
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320 | (*env)->SetObjectField(env, gt, id_campo, doublearray); |
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321 | } |
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322 | }else return -1; |
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323 | |||
324 | }else return -1; |
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325 | |||
326 | return 0; |
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327 | |||
328 | } |
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329 | |||
330 | /******************************************************************************/
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331 | // setGeoTransformNat
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332 | /******************************************************************************/
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333 | |||
334 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setGeoTransformNat |
335 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
336 | |||
337 | jclass class_geotransform; |
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338 | jfieldID id_campo; |
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339 | double adfgt[6]; |
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340 | jdoubleArray doublearray; |
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341 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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342 | |||
343 | dt = *(GDALDatasetH **)&cPtr; |
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344 | |||
345 | if(dt!=NULL){ |
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346 | |||
347 | //Obtenemos los valores pasados en el vector gt
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348 | |||
349 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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350 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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351 | doublearray =(jdoubleArray)(*env)->GetObjectField(env, gt, id_campo); |
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352 | (*env)->GetDoubleArrayRegion(env,doublearray,0,6,(jdouble *)adfgt); |
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353 | |||
354 | GDALSetGeoTransform( dt, adfgt ); |
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355 | return 0; |
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356 | } |
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357 | return -1; |
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358 | |||
359 | } |
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360 | |||
361 | /******************************************************************************/
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362 | // GetProjectionRef
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363 | /******************************************************************************/
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364 | |||
365 | |||
366 | 791 | igbrotru | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getProjectionRefNat |
367 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
368 | |||
369 | char *pszProjection=NULL; |
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370 | jstring pszP=NULL;
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371 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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372 | |||
373 | |||
374 | dt = *(GDALDatasetH **)&cPtr; |
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375 | |||
376 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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377 | |||
378 | if(dt!=NULL){ |
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379 | pszProjection = (char *) GDALGetProjectionRef(dt);
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380 | if(pszProjection!=NULL) |
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381 | pszP = (*env)->NewStringUTF(env, pszProjection); |
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382 | } |
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383 | |||
384 | return pszP;
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385 | |||
386 | } |
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387 | |||
388 | 4282 | nacho | /************************************************************************/
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389 | /* getDriverShortNameNat() */
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390 | /************************************************************************/
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391 | |||
392 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverShortNameNat |
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393 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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394 | |||
395 | char *pszShortName=NULL; |
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396 | jstring pszSN=NULL;
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397 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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398 | GDALDriverH hDriver; |
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399 | |||
400 | dt = *(GDALDatasetH **)&cPtr; |
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401 | |||
402 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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403 | |||
404 | if(dt!=NULL){ |
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405 | hDriver = GDALGetDatasetDriver( dt ); |
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406 | pszShortName = (char *) GDALGetDriverShortName(hDriver);
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407 | if(pszShortName!=NULL) |
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408 | pszSN = (*env)->NewStringUTF(env, pszShortName); |
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409 | } |
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410 | |||
411 | return pszSN;
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412 | } |
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413 | |||
414 | 716 | igbrotru | /******************************************************************************/
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415 | // setProjection
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416 | /******************************************************************************/
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417 | |||
418 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setProjectionNat |
419 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jstring proj){ |
420 | |||
421 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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422 | |||
423 | dt = *(GDALDatasetH **)&cPtr; |
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424 | if(dt!=NULL){ |
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425 | const char *projeccion = (*env)->GetStringUTFChars(env, proj, 0); |
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426 | GDALSetProjection( dt, projeccion ); |
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427 | (*env)->ReleaseStringUTFChars(env, proj, projeccion); |
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428 | return 1; |
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429 | } |
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430 | |||
431 | return -1; |
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432 | } |
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433 | |||
434 | |||
435 | /******************************************************************************/
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436 | // Close
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437 | /******************************************************************************/
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438 | |||
439 | |||
440 | 791 | igbrotru | JNIEXPORT void JNICALL Java_es_gva_cit_jgdal_Gdal_closeNat
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441 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
442 | |||
443 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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444 | |||
445 | dt = *(GDALDatasetH **)&cPtr; |
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446 | GDALClose(dt); |
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447 | |||
448 | } |
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449 | |||
450 | |||
451 | /************************************************************************/
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452 | /* GDALGetDriverByName() */
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453 | /************************************************************************/
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454 | |||
455 | 791 | igbrotru | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverByNameNat |
456 | 716 | igbrotru | (JNIEnv *env, jclass clase, jstring name){ |
457 | |||
458 | const char *namedrv; |
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459 | GDALDriverH *drv; |
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460 | |||
461 | jlong jresult=-1;
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462 | |||
463 | 834 | igbrotru | if(GDALGetDriverCount()<=0)GDALAllRegister(); |
464 | |||
465 | 716 | igbrotru | namedrv = (*env)->GetStringUTFChars(env, name, 0);
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466 | |||
467 | drv=GDALGetDriverByName(namedrv); |
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468 | |||
469 | *(GDALDriverH **)&jresult = drv; |
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470 | |||
471 | (*env)->ReleaseStringUTFChars(env, name, namedrv); |
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472 | |||
473 | return (long)jresult; |
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474 | } |
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475 | |||
476 | |||
477 | /************************************************************************/
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478 | /* getGCPCountNat() */
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479 | /************************************************************************/
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480 | |||
481 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getGCPCountNat |
482 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
483 | |||
484 | int res=-1; |
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485 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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486 | |||
487 | dt = *(GDALDatasetH **)&cPtr; |
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488 | if(dt!=NULL) |
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489 | res = GDALGetGCPCount(dt); |
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490 | |||
491 | |||
492 | return res;
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493 | } |
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494 | |||
495 | 5911 | nacho | /******************************************************************************/
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496 | // GetColorInterpretationName
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497 | /******************************************************************************/
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498 | |||
499 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getColorInterpretationNameNat |
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500 | (JNIEnv *env, jobject obj, jlong cPtr, jint ci){ |
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501 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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502 | char *name = NULL; |
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503 | jstring typeName = NULL;
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504 | |||
505 | dt = *(GDALDatasetH **)&cPtr; |
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506 | name = GDALGetColorInterpretationName(ci); |
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507 | typeName = (*env)->NewStringUTF(env, name); |
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508 | return typeName;
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509 | } |
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510 |