ogr_srs_esri.cpp

mitab,读取MapInfo的地图文件

/******************************************************************************
 * $Id: ogr_srs_esri.cpp 11828 2007-08-01 23:15:47Z warmerdam $
 *
 * Project:  OpenGIS Simple Features Reference Implementation
 * Purpose:  OGRSpatialReference translation to/from ESRI .prj definitions.
 * Author:   Frank Warmerdam, [e-mail]
 *
 ******************************************************************************
 * Copyright (c) 2000, Frank Warmerdam
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 ****************************************************************************/

#include "ogr_spatialref.h"
#include "ogr_p.h"
#include "cpl_csv.h"

CPL_CVSID("$Id: ogr_srs_esri.cpp 11828 2007-08-01 23:15:47Z warmerdam $");

static char *apszProjMapping[] = {
    "Albers", SRS_PT_ALBERS_CONIC_EQUAL_AREA,
    "Cassini", SRS_PT_CASSINI_SOLDNER,
    "Plate_Carree", SRS_PT_EQUIRECTANGULAR,
    "Hotine_Oblique_Mercator_Azimuth_Natural_Origin", 
                                        SRS_PT_HOTINE_OBLIQUE_MERCATOR,
    "Hotine_Oblique_Mercator_Azimuth_Center", 
                                        SRS_PT_HOTINE_OBLIQUE_MERCATOR,
    "Lambert_Conformal_Conic", SRS_PT_LAMBERT_CONFORMAL_CONIC_2SP,
    "Lambert_Conformal_Conic", SRS_PT_LAMBERT_CONFORMAL_CONIC_1SP,
    "Van_der_Grinten_I", SRS_PT_VANDERGRINTEN,
    SRS_PT_TRANSVERSE_MERCATOR, SRS_PT_TRANSVERSE_MERCATOR,
    "Gauss_Kruger", SRS_PT_TRANSVERSE_MERCATOR,
    "Mercator", SRS_PT_MERCATOR_1SP,
    "Equidistant_Cylindrical", SRS_PT_EQUIRECTANGULAR,
    NULL, NULL }; 
 
static char *apszAlbersMapping[] = {
    SRS_PP_CENTRAL_MERIDIAN, SRS_PP_LONGITUDE_OF_CENTER, 
    SRS_PP_LATITUDE_OF_ORIGIN, SRS_PP_LATITUDE_OF_CENTER,
    "Central_Parallel", SRS_PP_LATITUDE_OF_CENTER,
    NULL, NULL };

static char *apszECMapping[] = {
    SRS_PP_CENTRAL_MERIDIAN, SRS_PP_LONGITUDE_OF_CENTER, 
    SRS_PP_LATITUDE_OF_ORIGIN, SRS_PP_LATITUDE_OF_CENTER, 
    NULL, NULL };

static char *apszMercatorMapping[] = {
    SRS_PP_STANDARD_PARALLEL_1, SRS_PP_LATITUDE_OF_ORIGIN,
    NULL, NULL };

static char *apszPolarStereographicMapping[] = {
    SRS_PP_STANDARD_PARALLEL_1, SRS_PP_LATITUDE_OF_ORIGIN,
    NULL, NULL };

static char **papszDatumMapping = NULL;
 
static char *apszDefaultDatumMapping[] = {
    "6267", "North_American_1927", SRS_DN_NAD27,
    "6269", "North_American_1983", SRS_DN_NAD83,
    NULL, NULL, NULL }; 

static char *apszUnitMapping[] = {
    "Meter", "meter",
    "Meter", "metre",
    "Foot", "foot",
    "Foot", "feet",
    "Foot_US", SRS_UL_US_FOOT,
    "Degree", "degree",
    "Degree", "degrees",
    "Degree", SRS_UA_DEGREE,
    "Radian", SRS_UA_RADIAN,
    NULL, NULL }; 
 
/* -------------------------------------------------------------------- */
/*      Table relating USGS and ESRI state plane zones.                 */
/* -------------------------------------------------------------------- */
static int anUsgsEsriZones[] =
{
  101, 3101,
  102, 3126,
  201, 3151,
  202, 3176,
  203, 3201,
  301, 3226,
  302, 3251,
  401, 3276,
  402, 3301,
  403, 3326,
  404, 3351,
  405, 3376,
  406, 3401,
  407, 3426,
  501, 3451,
  502, 3476,
  503, 3501,
  600, 3526,
  700, 3551,
  901, 3601,
  902, 3626,
  903, 3576,
 1001, 3651,
 1002, 3676,
 1101, 3701,
 1102, 3726,
 1103, 3751,
 1201, 3776,
 1202, 3801,
 1301, 3826,
 1302, 3851,
 1401, 3876,
 1402, 3901,
 1501, 3926,
 1502, 3951,
 1601, 3976,
 1602, 4001,
 1701, 4026,
 1702, 4051,
 1703, 6426,
 1801, 4076,
 1802, 4101,
 1900, 4126,
 2001, 4151,
 2002, 4176,
 2101, 4201,
 2102, 4226,
 2103, 4251,
 2111, 6351,
 2112, 6376,
 2113, 6401,
 2201, 4276,
 2202, 4301,
 2203, 4326,
 2301, 4351,
 2302, 4376,
 2401, 4401,
 2402, 4426,
 2403, 4451,
 2500,    0,
 2501, 4476,
 2502, 4501,
 2503, 4526,
 2600,    0,
 2601, 4551,
 2602, 4576,
 2701, 4601,
 2702, 4626,
 2703, 4651,
 2800, 4676,
 2900, 4701,
 3001, 4726,
 3002, 4751,
 3003, 4776,
 3101, 4801,
 3102, 4826,
 3103, 4851,
 3104, 4876,
 3200, 4901,
 3301, 4926,
 3302, 4951,
 3401, 4976,
 3402, 5001,
 3501, 5026,
 3502, 5051,
 3601, 5076,
 3602, 5101,
 3701, 5126,
 3702, 5151,
 3800, 5176,
 3900,    0,
 3901, 5201,
 3902, 5226,
 4001, 5251,
 4002, 5276,
 4100, 5301,
 4201, 5326,
 4202, 5351,
 4203, 5376,
 4204, 5401,
 4205, 5426,
 4301, 5451,
 4302, 5476,
 4303, 5501,
 4400, 5526,
 4501, 5551,
 4502, 5576,
 4601, 5601,
 4602, 5626,
 4701, 5651,
 4702, 5676,
 4801, 5701,
 4802, 5726,
 4803, 5751,
 4901, 5776,
 4902, 5801,
 4903, 5826,
 4904, 5851,
 5001, 6101,
 5002, 6126,
 5003, 6151,
 5004, 6176,
 5005, 6201,
 5006, 6226,
 5007, 6251,
 5008, 6276,
 5009, 6301,
 5010, 6326,
 5101, 5876,
 5102, 5901,
 5103, 5926,
 5104, 5951,
 5105, 5976,
 5201, 6001,
 5200, 6026,
 5200, 6076,
 5201, 6051,
 5202, 6051,
 5300,    0, 
 5400,    0
};

void OGREPSGDatumNameMassage( char ** ppszDatum );

/************************************************************************/
/*                           RemapSpheroidName()                        */
/*                                                                      */
/*      Convert Spheroid name to ESRI style name                        */
/************************************************************************/

static const char* RemapSpheroidName(const char* pszName)
{
  if (strcmp(pszName, "WGS 84") == 0)
    return "WGS 1984";

  if (strcmp(pszName, "WGS 72") == 0)
    return "WGS 1972";

  return pszName;
}

/************************************************************************/
/*                           ESRIToUSGSZone()                           */
/*                                                                      */
/*      Convert ESRI style state plane zones to USGS style state        */
/*      plane zones.                                                    */
/************************************************************************/

static int ESRIToUSGSZone( int nESRIZone )

{
    int         nPairs = sizeof(anUsgsEsriZones) / (2*sizeof(int));
    int         i;
    
    for( i = 0; i < nPairs; i++ )
    {
        if( anUsgsEsriZones[i*2+1] == nESRIZone )
            return anUsgsEsriZones[i*2];
    }

    return 0;
}

/************************************************************************/
/*                          MorphNameToESRI()                           */
/*                                                                      */
/*      Make name ESRI compatible. Convert spaces and special           */
/*      characters to underscores and then strip down.                  */
/************************************************************************/

static void MorphNameToESRI( char ** ppszName )

{
    int         i, j;
    char        *pszName = *ppszName;

/* -------------------------------------------------------------------- */
/*      Translate non-alphanumeric values to underscores.               */
/* -------------------------------------------------------------------- */
    for( i = 0; pszName[i] != '\0'; i++ )
    {
        if( !(pszName[i] >= 'A' && pszName[i] <= 'Z')
            && !(pszName[i] >= 'a' && pszName[i] <= 'z')
            && !(pszName[i] >= '0' && pszName[i] <= '9') )
        {
            pszName[i] = '_';
        }
    }

/* -------------------------------------------------------------------- */
/*      Remove repeated and trailing underscores.                       */
/* -------------------------------------------------------------------- */
    for( i = 1, j = 0; pszName[i] != '\0'; i++ )
    {
        if( pszName[j] == '_' && pszName[i] == '_' )
            continue;

        pszName[++j] = pszName[i];
    }
    if( pszName[j] == '_' )
        pszName[j] = '\0';
    else
        pszName[j+1] = '\0';
}

/************************************************************************/
/*                     CleanESRIDatumMappingTable()                     */
/************************************************************************/

CPL_C_START 
void CleanupESRIDatumMappingTable()

{
    if( papszDatumMapping == NULL )
        return;