diff options
Diffstat (limited to 'src/3rdparty/proj/pj_datum_set.c')
| -rw-r--r-- | src/3rdparty/proj/pj_datum_set.c | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/src/3rdparty/proj/pj_datum_set.c b/src/3rdparty/proj/pj_datum_set.c deleted file mode 100644 index c2b8e1bb..00000000 --- a/src/3rdparty/proj/pj_datum_set.c +++ /dev/null @@ -1,139 +0,0 @@ -/****************************************************************************** - * $Id: pj_datum_set.c 1504 2009-01-06 02:11:57Z warmerdam $ - * - * Project: PROJ.4 - * Purpose: Apply datum definition to PJ structure from initialization string. - * Author: Frank Warmerdam, warmerda@home.com - * - ****************************************************************************** - * 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 <projects.h> -#include <string.h> - -/* SEC_TO_RAD = Pi/180/3600 */ -#define SEC_TO_RAD 4.84813681109535993589914102357e-6 - -/************************************************************************/ -/* pj_datum_set() */ -/************************************************************************/ - -int pj_datum_set(paralist *pl, PJ *projdef) - -{ - const char *name, *towgs84, *nadgrids; - - projdef->datum_type = PJD_UNKNOWN; - -/* -------------------------------------------------------------------- */ -/* Is there a datum definition in the parameters list? If so, */ -/* add the defining values to the parameter list. Note that */ -/* this will append the ellipse definition as well as the */ -/* towgs84= and related parameters. It should also be pointed */ -/* out that the addition is permanent rather than temporary */ -/* like most other keyword expansion so that the ellipse */ -/* definition will last into the pj_ell_set() function called */ -/* after this one. */ -/* -------------------------------------------------------------------- */ - if( (name = pj_param(pl,"sdatum").s) != NULL ) - { - paralist *curr; - const char *s; - int i; - - /* find the end of the list, so we can add to it */ - for (curr = pl; curr && curr->next ; curr = curr->next) {} - - /* find the datum definition */ - for (i = 0; (s = pj_datums[i].id) && strcmp(name, s) ; ++i) {} - - if (!s) { pj_errno = -9; return 1; } - - if( pj_datums[i].ellipse_id && strlen(pj_datums[i].ellipse_id) > 0 ) - { - char entry[100]; - - strcpy( entry, "ellps=" ); - strncat( entry, pj_datums[i].ellipse_id, 80 ); - curr = curr->next = pj_mkparam(entry); - } - - if( pj_datums[i].defn && strlen(pj_datums[i].defn) > 0 ) - curr = curr->next = pj_mkparam(pj_datums[i].defn); - } - -/* -------------------------------------------------------------------- */ -/* Check for nadgrids parameter. */ -/* -------------------------------------------------------------------- */ - if( (nadgrids = pj_param(pl,"snadgrids").s) != NULL ) - { - /* We don't actually save the value separately. It will continue - to exist int he param list for use in pj_apply_gridshift.c */ - - projdef->datum_type = PJD_GRIDSHIFT; - } - -/* -------------------------------------------------------------------- */ -/* Check for towgs84 parameter. */ -/* -------------------------------------------------------------------- */ - else if( (towgs84 = pj_param(pl,"stowgs84").s) != NULL ) - { - int parm_count = 0; - const char *s; - - memset( projdef->datum_params, 0, sizeof(double) * 7); - - /* parse out the parameters */ - s = towgs84; - for( s = towgs84; *s != '\0' && parm_count < 7; ) - { - projdef->datum_params[parm_count++] = atof(s); - while( *s != '\0' && *s != ',' ) - s++; - if( *s == ',' ) - s++; - } - - if( projdef->datum_params[3] != 0.0 - || projdef->datum_params[4] != 0.0 - || projdef->datum_params[5] != 0.0 - || projdef->datum_params[6] != 0.0 ) - { - projdef->datum_type = PJD_7PARAM; - - /* transform from arc seconds to radians */ - projdef->datum_params[3] *= SEC_TO_RAD; - projdef->datum_params[4] *= SEC_TO_RAD; - projdef->datum_params[5] *= SEC_TO_RAD; - /* transform from parts per million to scaling factor */ - projdef->datum_params[6] = - (projdef->datum_params[6]/1000000.0) + 1; - } - else - projdef->datum_type = PJD_3PARAM; - - /* Note that pj_init() will later switch datum_type to - PJD_WGS84 if shifts are all zero, and ellipsoid is WGS84 or GRS80 */ - } - - return 0; -} |