svn-gvsig-desktop / trunk / libraries / libjni-gdal-macosx / src / gdal_interfaz.c @ 25845
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1 | 8219 | nacho | /**********************************************************************
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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 | /* 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 | *
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50 | * [01] 01-Oct-2005 nbt OpenArray function to support name parameter in char array
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51 | */
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52 | |||
53 | |||
54 | #include <jni.h> |
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55 | #include "es_gva_cit_jgdal_Gdal.h" |
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56 | #include "es_gva_cit_jgdal_JNIBase.h" |
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57 | #include "gdal.h" |
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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 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openNat |
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68 | (JNIEnv *env, jobject obj, jstring pszF, jint acc){ |
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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 | |||
99 | /******************************************************************************/
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100 | // OpenArray
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101 | /******************************************************************************/
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102 | |||
103 | |||
104 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_openArrayNat |
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105 | (JNIEnv *env, jobject obj, jbyteArray pszF, jint acc){ |
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106 | |||
107 | jbyte *pszFilename = NULL;
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108 | jbyte *aux = NULL;
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109 | GDALDatasetH *dataset; |
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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 | |||
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 | 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 | printf("==>OpenArray jresult:%ld dataset:%ld\n", jresult, dataset);
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141 | |||
142 | (*env)->ReleaseByteArrayElements(env, pszF, pszFilename, 0);
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143 | |||
144 | if(dataset == NULL) |
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145 | return -1; |
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146 | else
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147 | return jresult;
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148 | |||
149 | } |
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150 | |||
151 | |||
152 | /******************************************************************************/
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153 | // GetRasterXSize
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154 | /******************************************************************************/
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155 | |||
156 | |||
157 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterXSizeNat |
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158 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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159 | |||
160 | int res=-1; |
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161 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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162 | |||
163 | dt = *(GDALDatasetH **)&cPtr; |
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164 | if(dt!=NULL) |
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165 | res = GDALGetRasterXSize(dt); |
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166 | |||
167 | |||
168 | return res;
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169 | |||
170 | } |
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171 | |||
172 | |||
173 | /******************************************************************************/
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174 | // GetRasterYSize
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175 | /******************************************************************************/
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176 | |||
177 | |||
178 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterYSizeNat |
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179 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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180 | |||
181 | int res=-1; |
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182 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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183 | |||
184 | dt = *(GDALDatasetH **)&cPtr; |
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185 | if(dt!=NULL) |
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186 | res = GDALGetRasterYSize(dt); |
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187 | |||
188 | |||
189 | return res;
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190 | |||
191 | } |
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192 | |||
193 | /******************************************************************************/
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194 | // GetRasterCount
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195 | /******************************************************************************/
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196 | |||
197 | |||
198 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterCountNat |
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199 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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200 | |||
201 | int res=-1; |
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202 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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203 | |||
204 | dt = *(GDALDatasetH **)&cPtr; |
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205 | if(dt!=NULL) |
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206 | res = GDALGetRasterCount(dt); |
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207 | |||
208 | |||
209 | return res;
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210 | } |
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211 | |||
212 | |||
213 | /******************************************************************************/
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214 | // GetMetadata
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215 | /******************************************************************************/
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216 | |||
217 | |||
218 | JNIEXPORT jobjectArray JNICALL Java_es_gva_cit_jgdal_Gdal_getMetadataNat |
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219 | (JNIEnv *env, jobject obj, jlong cPtr, jstring pszDomain){ |
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220 | |||
221 | char **papszMetadata = NULL; |
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222 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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223 | int i = 0; |
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224 | int nmetadatos = 0; |
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225 | jclass class_string; |
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226 | jobjectArray vector_str; |
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227 | |||
228 | dt = *(GDALDatasetH **)&cPtr; |
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229 | |||
230 | if(dt != NULL){ |
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231 | //Obtenemos los metadatos sobre papszMetadata
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232 | papszMetadata = GDALGetMetadata( dt, NULL );
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233 | |||
234 | //Si hay metadatos devolvemos creamos el vector de String de java y los devolvemos
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235 | |||
236 | nmetadatos = CSLCount(papszMetadata); |
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237 | if( nmetadatos > 0 ){ |
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238 | class_string = (*env)->FindClass (env, "java/lang/String");
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239 | vector_str = (*env)->NewObjectArray(env, nmetadatos, class_string, (*env)->NewStringUTF(env,""));
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240 | |||
241 | //Cargamos los metadatos
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242 | |||
243 | for( i = 0; papszMetadata[i] != NULL; i++ ) |
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244 | (*env)->SetObjectArrayElement(env,vector_str,i,(*env)->NewStringUTF(env,papszMetadata[i])); |
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245 | |||
246 | return vector_str;
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247 | } |
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248 | } |
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249 | |||
250 | return NULL; |
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251 | } |
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252 | |||
253 | |||
254 | |||
255 | |||
256 | |||
257 | /******************************************************************************/
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258 | // GetRasterBand
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259 | /******************************************************************************/
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260 | |||
261 | |||
262 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_getRasterBandNat |
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263 | (JNIEnv *env, jobject obj, jlong cPtr, jint hBand){ |
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264 | |||
265 | |||
266 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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267 | GDALRasterBandH *rasterband=NULL;
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268 | jlong jresult = 0;
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269 | |||
270 | dt = *(GDALDatasetH **)&cPtr; |
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271 | |||
272 | if(dt!=NULL){ |
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273 | rasterband = GDALGetRasterBand(dt,(int)hBand);
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274 | *(GDALDatasetH **)&jresult = rasterband; |
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275 | printf("==>GetRasterBand cPtr:%ld dt:%ld jresult:%ld rasterband:%ld", cPtr, dt, jresult, rasterband);
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276 | }else return -1; |
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277 | |||
278 | return jresult;
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279 | |||
280 | } |
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281 | |||
282 | |||
283 | /******************************************************************************/
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284 | // GetGeoTransform
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285 | /******************************************************************************/
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286 | |||
287 | |||
288 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getGeoTransformNat |
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289 | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
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290 | |||
291 | jclass class_geotransform; |
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292 | jfieldID id_campo; |
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293 | double adfgt[6]; |
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294 | jdoubleArray doublearray; |
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295 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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296 | |||
297 | |||
298 | dt = *(GDALDatasetH **)&cPtr; |
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299 | |||
300 | if(dt!=NULL){ |
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301 | |||
302 | //Obtenemos el objeto java que contendr? el vector geotransform
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303 | |||
304 | |||
305 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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306 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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307 | |||
308 | |||
309 | //Cargamos el buffer llamando a GDALRasterIO
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310 | |||
311 | |||
312 | if(GDALGetGeoTransform(dt,adfgt)==CE_None){
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313 | doublearray = (*env)->NewDoubleArray(env,6);
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314 | if(doublearray!=NULL){ |
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315 | (*env)->SetDoubleArrayRegion(env, doublearray, 0, 6,(jdouble *)adfgt); |
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316 | (*env)->SetObjectField(env, gt, id_campo, doublearray); |
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317 | } |
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318 | }else return -1; |
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319 | |||
320 | }else return -1; |
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321 | |||
322 | return 0; |
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323 | |||
324 | } |
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325 | |||
326 | /******************************************************************************/
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327 | // setGeoTransformNat
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328 | /******************************************************************************/
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329 | |||
330 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setGeoTransformNat |
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331 | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
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332 | |||
333 | jclass class_geotransform; |
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334 | jfieldID id_campo; |
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335 | double adfgt[6]; |
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336 | jdoubleArray doublearray; |
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337 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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338 | |||
339 | dt = *(GDALDatasetH **)&cPtr; |
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340 | |||
341 | if(dt!=NULL){ |
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342 | |||
343 | //Obtenemos los valores pasados en el vector gt
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344 | |||
345 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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346 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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347 | doublearray =(jdoubleArray)(*env)->GetObjectField(env, gt, id_campo); |
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348 | (*env)->GetDoubleArrayRegion(env,doublearray,0,6,(jdouble *)adfgt); |
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349 | |||
350 | GDALSetGeoTransform( dt, adfgt ); |
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351 | return 0; |
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352 | } |
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353 | return -1; |
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354 | |||
355 | } |
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356 | |||
357 | /******************************************************************************/
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358 | // GetProjectionRef
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359 | /******************************************************************************/
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360 | |||
361 | |||
362 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getProjectionRefNat |
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363 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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364 | |||
365 | char *pszProjection=NULL; |
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366 | jstring pszP=NULL;
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367 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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368 | |||
369 | |||
370 | dt = *(GDALDatasetH **)&cPtr; |
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371 | |||
372 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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373 | |||
374 | if(dt!=NULL){ |
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375 | pszProjection = (char *) GDALGetProjectionRef(dt);
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376 | if(pszProjection!=NULL) |
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377 | pszP = (*env)->NewStringUTF(env, pszProjection); |
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378 | } |
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379 | |||
380 | return pszP;
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381 | |||
382 | } |
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383 | |||
384 | /************************************************************************/
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385 | /* getDriverShortNameNat() */
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386 | /************************************************************************/
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387 | |||
388 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverShortNameNat |
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389 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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390 | |||
391 | char *pszShortName=NULL; |
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392 | jstring pszSN=NULL;
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393 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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394 | GDALDriverH hDriver; |
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395 | |||
396 | dt = *(GDALDatasetH **)&cPtr; |
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397 | |||
398 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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399 | |||
400 | if(dt!=NULL){ |
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401 | hDriver = GDALGetDatasetDriver( dt ); |
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402 | pszShortName = (char *) GDALGetDriverShortName(hDriver);
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403 | if(pszShortName!=NULL) |
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404 | pszSN = (*env)->NewStringUTF(env, pszShortName); |
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405 | } |
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406 | |||
407 | return pszSN;
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408 | } |
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409 | |||
410 | /******************************************************************************/
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411 | // setProjection
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412 | /******************************************************************************/
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413 | |||
414 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setProjectionNat |
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415 | (JNIEnv *env, jobject obj, jlong cPtr, jstring proj){ |
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416 | |||
417 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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418 | |||
419 | dt = *(GDALDatasetH **)&cPtr; |
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420 | if(dt!=NULL){ |
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421 | const char *projeccion = (*env)->GetStringUTFChars(env, proj, 0); |
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422 | GDALSetProjection( dt, projeccion ); |
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423 | (*env)->ReleaseStringUTFChars(env, proj, projeccion); |
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424 | return 1; |
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425 | } |
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426 | |||
427 | return -1; |
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428 | } |
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429 | |||
430 | |||
431 | /******************************************************************************/
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432 | // Close
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433 | /******************************************************************************/
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434 | |||
435 | |||
436 | JNIEXPORT void JNICALL Java_es_gva_cit_jgdal_Gdal_closeNat
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437 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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438 | |||
439 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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440 | |||
441 | dt = *(GDALDatasetH **)&cPtr; |
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442 | GDALClose(dt); |
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443 | |||
444 | } |
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445 | |||
446 | |||
447 | /************************************************************************/
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448 | /* GDALGetDriverByName() */
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449 | /************************************************************************/
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450 | |||
451 | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverByNameNat |
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452 | (JNIEnv *env, jclass clase, jstring name){ |
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453 | |||
454 | const char *namedrv; |
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455 | GDALDriverH *drv; |
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456 | |||
457 | jlong jresult=-1;
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458 | |||
459 | if(GDALGetDriverCount()<=0)GDALAllRegister(); |
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460 | |||
461 | namedrv = (*env)->GetStringUTFChars(env, name, 0);
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462 | |||
463 | drv=GDALGetDriverByName(namedrv); |
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464 | |||
465 | *(GDALDriverH **)&jresult = drv; |
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466 | |||
467 | (*env)->ReleaseStringUTFChars(env, name, namedrv); |
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468 | |||
469 | return jresult;
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470 | } |
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471 | |||
472 | |||
473 | /************************************************************************/
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474 | /* getGCPCountNat() */
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475 | /************************************************************************/
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476 | |||
477 | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getGCPCountNat |
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478 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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479 | |||
480 | int res=-1; |
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481 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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482 | |||
483 | dt = *(GDALDatasetH **)&cPtr; |
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484 | if(dt!=NULL) |
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485 | res = GDALGetGCPCount(dt); |
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486 | |||
487 | |||
488 | return res;
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489 | } |
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490 | |||
491 | /******************************************************************************/
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492 | // GetColorInterpretationName
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493 | /******************************************************************************/
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494 | |||
495 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getColorInterpretationNameNat |
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496 | (JNIEnv *env, jobject obj, jlong cPtr, jint ci){ |
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497 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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498 | char *name = NULL; |
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499 | jstring typeName = NULL;
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500 | |||
501 | dt = *(GDALDatasetH **)&cPtr; |
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502 | name = GDALGetColorInterpretationName(ci); |
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503 | typeName = (*env)->NewStringUTF(env, name); |
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504 | return typeName;
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505 | } |
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506 |