svn-gvsig-desktop / tags / Root_v061 / libraries / libjni-gdal / src / gdal_interfaz.c @ 4812
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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 | GDALDatasetH *dataset; |
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109 | jlong jresult = 0 ;
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110 | FILE *fich; |
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111 | jsize longitud = 0, i;
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112 | char *p;
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113 | |||
114 | longitud = (*env)->GetArrayLength(env, pszF); |
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115 | pszFilename = (*env)->GetByteArrayElements(env, pszF, 0);
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116 | pszFilename = (jbyte *)realloc(pszFilename, longitud + 1);
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117 | pszFilename[longitud] = '\0';
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118 | |||
119 | fich = fopen( pszFilename, "r" );
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120 | if( fich )
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121 | fclose(fich); |
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122 | else
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123 | return -1; |
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124 | |||
125 | GDALAllRegister(); |
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126 | dataset = GDALOpen((char *)pszFilename,(int)acc); |
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127 | |||
128 | *(GDALDatasetH **)&jresult = dataset; |
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129 | |||
130 | (*env)->ReleaseByteArrayElements(env, pszF, pszFilename, 0);
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131 | |||
132 | if(dataset == NULL) |
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133 | return -1; |
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134 | else
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135 | return jresult;
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136 | |||
137 | } |
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138 | |||
139 | |||
140 | 716 | igbrotru | /******************************************************************************/
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141 | // GetRasterXSize
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142 | /******************************************************************************/
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143 | |||
144 | |||
145 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterXSizeNat |
146 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
147 | |||
148 | int res=-1; |
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149 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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150 | |||
151 | dt = *(GDALDatasetH **)&cPtr; |
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152 | if(dt!=NULL) |
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153 | res = GDALGetRasterXSize(dt); |
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154 | |||
155 | |||
156 | return res;
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157 | |||
158 | } |
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159 | |||
160 | |||
161 | /******************************************************************************/
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162 | // GetRasterYSize
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163 | /******************************************************************************/
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164 | |||
165 | |||
166 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterYSizeNat |
167 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
168 | |||
169 | int res=-1; |
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170 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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171 | |||
172 | dt = *(GDALDatasetH **)&cPtr; |
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173 | if(dt!=NULL) |
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174 | res = GDALGetRasterYSize(dt); |
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175 | |||
176 | |||
177 | return res;
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178 | |||
179 | } |
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180 | |||
181 | /******************************************************************************/
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182 | // GetRasterCount
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183 | /******************************************************************************/
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184 | |||
185 | |||
186 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getRasterCountNat |
187 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
188 | |||
189 | int res=-1; |
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190 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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191 | |||
192 | dt = *(GDALDatasetH **)&cPtr; |
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193 | if(dt!=NULL) |
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194 | res = GDALGetRasterCount(dt); |
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195 | |||
196 | |||
197 | return res;
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198 | } |
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199 | |||
200 | |||
201 | /******************************************************************************/
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202 | // GetMetadata
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203 | /******************************************************************************/
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204 | |||
205 | |||
206 | 791 | igbrotru | JNIEXPORT jobjectArray JNICALL Java_es_gva_cit_jgdal_Gdal_getMetadataNat |
207 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jstring pszDomain){ |
208 | |||
209 | char **papszMetadata;
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210 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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211 | int i,nmetadatos;
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212 | |||
213 | jclass class_string; |
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214 | jobjectArray vector_str; |
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215 | |||
216 | //Obtenemos los metadatos sobre papszMetadata
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217 | |||
218 | dt = *(GDALDatasetH **)&cPtr; |
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219 | |||
220 | |||
221 | if(dt!=NULL){ |
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222 | papszMetadata = GDALGetMetadata( dt, NULL );
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223 | |||
224 | |||
225 | //Si hay metadatos devolvemos creamos el vector de String de java y los devolvemos
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226 | |||
227 | nmetadatos = CSLCount(papszMetadata); |
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228 | if( nmetadatos > 0 ) |
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229 | { |
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230 | class_string = (*env)->FindClass (env, "java/lang/String");
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231 | vector_str=(*env)->NewObjectArray(env, nmetadatos, class_string, (*env)->NewStringUTF(env,""));
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232 | |||
233 | //Cargamos los metadatos
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234 | |||
235 | for( i = 0; papszMetadata[i] != NULL; i++ ) |
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236 | (*env)->SetObjectArrayElement(env,vector_str,i,(*env)->NewStringUTF(env,papszMetadata[i])); |
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237 | |||
238 | return vector_str;
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239 | } |
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240 | } |
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241 | |||
242 | return NULL; |
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243 | } |
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244 | |||
245 | |||
246 | |||
247 | |||
248 | |||
249 | /******************************************************************************/
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250 | // GetRasterBand
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251 | /******************************************************************************/
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252 | |||
253 | |||
254 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getRasterBandNat |
255 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jint hBand){ |
256 | |||
257 | |||
258 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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259 | GDALRasterBandH *rasterband=NULL;
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260 | jlong jresult = 0;
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261 | |||
262 | dt = *(GDALDatasetH **)&cPtr; |
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263 | |||
264 | if(dt!=NULL){ |
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265 | rasterband = GDALGetRasterBand(dt,(int)hBand);
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266 | *(GDALDatasetH **)&jresult = rasterband; |
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267 | }else return -1; |
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268 | |||
269 | return jresult;
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270 | |||
271 | } |
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272 | |||
273 | |||
274 | /******************************************************************************/
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275 | // GetGeoTransform
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276 | /******************************************************************************/
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277 | |||
278 | |||
279 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_getGeoTransformNat |
280 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
281 | |||
282 | jclass class_geotransform; |
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283 | jfieldID id_campo; |
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284 | double adfgt[6]; |
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285 | jdoubleArray doublearray; |
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286 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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287 | |||
288 | |||
289 | dt = *(GDALDatasetH **)&cPtr; |
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290 | |||
291 | if(dt!=NULL){ |
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292 | |||
293 | //Obtenemos el objeto java que contendr? el vector geotransform
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294 | |||
295 | |||
296 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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297 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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298 | |||
299 | |||
300 | //Cargamos el buffer llamando a GDALRasterIO
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301 | |||
302 | |||
303 | if(GDALGetGeoTransform(dt,adfgt)==CE_None){
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304 | doublearray = (*env)->NewDoubleArray(env,6);
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305 | if(doublearray!=NULL){ |
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306 | (*env)->SetDoubleArrayRegion(env, doublearray, 0, 6,(jdouble *)adfgt); |
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307 | (*env)->SetObjectField(env, gt, id_campo, doublearray); |
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308 | } |
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309 | }else return -1; |
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310 | |||
311 | }else return -1; |
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312 | |||
313 | return 0; |
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314 | |||
315 | } |
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316 | |||
317 | /******************************************************************************/
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318 | // setGeoTransformNat
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319 | /******************************************************************************/
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320 | |||
321 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setGeoTransformNat |
322 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jobject gt){ |
323 | |||
324 | jclass class_geotransform; |
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325 | jfieldID id_campo; |
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326 | double adfgt[6]; |
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327 | jdoubleArray doublearray; |
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328 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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329 | |||
330 | dt = *(GDALDatasetH **)&cPtr; |
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331 | |||
332 | if(dt!=NULL){ |
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333 | |||
334 | //Obtenemos los valores pasados en el vector gt
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335 | |||
336 | class_geotransform = (*env)->GetObjectClass(env, gt); |
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337 | id_campo = (*env)->GetFieldID(env, class_geotransform, "adfgeotransform", "[D"); |
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338 | doublearray =(jdoubleArray)(*env)->GetObjectField(env, gt, id_campo); |
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339 | (*env)->GetDoubleArrayRegion(env,doublearray,0,6,(jdouble *)adfgt); |
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340 | |||
341 | GDALSetGeoTransform( dt, adfgt ); |
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342 | return 0; |
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343 | } |
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344 | return -1; |
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345 | |||
346 | } |
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347 | |||
348 | /******************************************************************************/
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349 | // GetProjectionRef
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350 | /******************************************************************************/
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351 | |||
352 | |||
353 | 791 | igbrotru | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getProjectionRefNat |
354 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
355 | |||
356 | char *pszProjection=NULL; |
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357 | jstring pszP=NULL;
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358 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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359 | |||
360 | |||
361 | dt = *(GDALDatasetH **)&cPtr; |
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362 | |||
363 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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364 | |||
365 | if(dt!=NULL){ |
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366 | pszProjection = (char *) GDALGetProjectionRef(dt);
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367 | if(pszProjection!=NULL) |
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368 | pszP = (*env)->NewStringUTF(env, pszProjection); |
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369 | } |
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370 | |||
371 | return pszP;
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372 | |||
373 | } |
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374 | |||
375 | 3994 | nacho | /************************************************************************/
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376 | /* getDriverShortNameNat() */
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377 | /************************************************************************/
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378 | |||
379 | JNIEXPORT jstring JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverShortNameNat |
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380 | (JNIEnv *env, jobject obj, jlong cPtr){ |
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381 | |||
382 | char *pszShortName=NULL; |
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383 | jstring pszSN=NULL;
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384 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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385 | GDALDriverH hDriver; |
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386 | |||
387 | dt = *(GDALDatasetH **)&cPtr; |
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388 | |||
389 | //Llamamos a la funci?n y cargamos el jstring con el resultado
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390 | |||
391 | if(dt!=NULL){ |
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392 | hDriver = GDALGetDatasetDriver( dt ); |
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393 | pszShortName = (char *) GDALGetDriverShortName(hDriver);
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394 | if(pszShortName!=NULL) |
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395 | pszSN = (*env)->NewStringUTF(env, pszShortName); |
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396 | } |
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397 | |||
398 | return pszSN;
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399 | } |
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400 | |||
401 | 716 | igbrotru | /******************************************************************************/
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402 | // setProjection
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403 | /******************************************************************************/
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404 | |||
405 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_Gdal_setProjectionNat |
406 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr, jstring proj){ |
407 | |||
408 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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409 | |||
410 | dt = *(GDALDatasetH **)&cPtr; |
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411 | if(dt!=NULL){ |
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412 | const char *projeccion = (*env)->GetStringUTFChars(env, proj, 0); |
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413 | GDALSetProjection( dt, projeccion ); |
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414 | (*env)->ReleaseStringUTFChars(env, proj, projeccion); |
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415 | return 1; |
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416 | } |
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417 | |||
418 | return -1; |
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419 | } |
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420 | |||
421 | |||
422 | /******************************************************************************/
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423 | // Close
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424 | /******************************************************************************/
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425 | |||
426 | |||
427 | 791 | igbrotru | JNIEXPORT void JNICALL Java_es_gva_cit_jgdal_Gdal_closeNat
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428 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
429 | |||
430 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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431 | |||
432 | dt = *(GDALDatasetH **)&cPtr; |
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433 | GDALClose(dt); |
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434 | |||
435 | } |
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436 | |||
437 | |||
438 | /************************************************************************/
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439 | /* GDALGetDriverByName() */
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440 | /************************************************************************/
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441 | |||
442 | 791 | igbrotru | JNIEXPORT jlong JNICALL Java_es_gva_cit_jgdal_Gdal_getDriverByNameNat |
443 | 716 | igbrotru | (JNIEnv *env, jclass clase, jstring name){ |
444 | |||
445 | const char *namedrv; |
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446 | GDALDriverH *drv; |
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447 | |||
448 | jlong jresult=-1;
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449 | |||
450 | 834 | igbrotru | if(GDALGetDriverCount()<=0)GDALAllRegister(); |
451 | |||
452 | 716 | igbrotru | namedrv = (*env)->GetStringUTFChars(env, name, 0);
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453 | |||
454 | drv=GDALGetDriverByName(namedrv); |
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455 | |||
456 | *(GDALDriverH **)&jresult = drv; |
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457 | |||
458 | (*env)->ReleaseStringUTFChars(env, name, namedrv); |
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459 | |||
460 | return (long)jresult; |
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461 | } |
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462 | |||
463 | |||
464 | /************************************************************************/
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465 | /* getGCPCountNat() */
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466 | /************************************************************************/
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467 | |||
468 | 791 | igbrotru | JNIEXPORT jint JNICALL Java_es_gva_cit_jgdal_JNIBase_getGCPCountNat |
469 | 716 | igbrotru | (JNIEnv *env, jobject obj, jlong cPtr){ |
470 | |||
471 | int res=-1; |
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472 | GDALDatasetH *dt = (GDALDatasetH *) 0 ;
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473 | |||
474 | dt = *(GDALDatasetH **)&cPtr; |
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475 | if(dt!=NULL) |
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476 | res = GDALGetGCPCount(dt); |
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477 | |||
478 | |||
479 | return res;
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480 | } |
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481 | |||
482 |