PostGIS 3.7.0dev-r@@SVN_REVISION@@
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geography.h
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1/**********************************************************************
2 *
3 * PostGIS - Spatial Types for PostgreSQL
4 * http://postgis.net
5 *
6 * PostGIS is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * PostGIS is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with PostGIS. If not, see <http://www.gnu.org/licenses/>.
18 *
19 **********************************************************************
20 *
21 * Copyright 2009 Paul Ramsey <pramsey@cleverelephant.ca>
22 *
23 **********************************************************************/
24
25
26
27/**********************************************************************
28** Useful functions for all GSERIALIZED handlers.
29** TODO: Move to common.h in pgcommon
30*/
31
32/* Check that the typmod matches the flags on the lwgeom */
33GSERIALIZED* postgis_valid_typmod(GSERIALIZED *gser, int32_t typmod);
34/* Check that the type is legal in geography (no curves please!) */
35void geography_valid_type(uint8_t type);
36
37/* Expand the embedded bounding box in a #GSERIALIZED */
39
40
GSERIALIZED * postgis_valid_typmod(GSERIALIZED *gser, int32_t typmod)
Check the consistency of the metadata we want to enforce in the typmod: srid, type and dimensionality...
void geography_valid_type(uint8_t type)
The geography type only support POINT, LINESTRING, POLYGON, MULTI* variants of same,...
GSERIALIZED * gserialized_expand(GSERIALIZED *g, double distance)
Return a GSERIALIZED with an expanded bounding box.
static double distance(double x1, double y1, double x2, double y2)
Definition lwtree.c:1032