f9e9411add
Patch by Raúl Marín Rodríguez. Closes #3970 Closes https://github.com/postgis/postgis/pull/183 git-svn-id: http://svn.osgeo.org/postgis/trunk@16270 b70326c6-7e19-0410-871a-916f4a2858ee
80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/**********************************************************************
|
|
*
|
|
* PostGIS - Spatial Types for PostgreSQL
|
|
* http://postgis.net
|
|
*
|
|
* Copyright 2012 Sandro Santilli <strk@kbt.io>
|
|
*
|
|
* This is free software; you can redistribute and/or modify it under
|
|
* the terms of the GNU General Public Licence. See the COPYING file.
|
|
*
|
|
**********************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "CUnit/Basic.h"
|
|
|
|
#include "liblwgeom_internal.h"
|
|
#include "effectivearea.h"
|
|
#include "cu_tester.h"
|
|
|
|
|
|
static void do_test_lwgeom_effectivearea(POINTARRAY *pa,double *the_areas,int avoid_collaps)
|
|
{
|
|
|
|
uint32_t i;
|
|
EFFECTIVE_AREAS *ea;
|
|
|
|
ea=initiate_effectivearea(pa);
|
|
ptarray_calc_areas(ea,avoid_collaps,1,0);
|
|
|
|
for (i=0;i<pa->npoints;i++)
|
|
{
|
|
CU_ASSERT_EQUAL(ea->res_arealist[i],the_areas[i]);
|
|
}
|
|
|
|
destroy_effectivearea(ea);
|
|
|
|
|
|
}
|
|
|
|
static void do_test_lwgeom_effectivearea_lines(void)
|
|
{
|
|
LWLINE *the_geom;
|
|
int avoid_collaps=2;
|
|
/*Line 1*/
|
|
the_geom = (LWLINE*)lwgeom_from_wkt("LINESTRING(1 1, 0 1, 0 2, -1 4, -1 4)", LW_PARSER_CHECK_NONE);
|
|
double the_areas1[]={FLT_MAX,0.5,0.5,0,FLT_MAX};
|
|
do_test_lwgeom_effectivearea(the_geom->points,the_areas1,avoid_collaps);
|
|
lwline_free(the_geom);
|
|
/*Line 2*/
|
|
the_geom = (LWLINE*)lwgeom_from_wkt("LINESTRING(10 10,12 8, 15 7, 18 7, 20 20, 15 21, 18 22, 10 30, 40 100)", LW_PARSER_CHECK_NONE);
|
|
double the_areas2[]={FLT_MAX,5,1.5,55,100,4,4,300,FLT_MAX};
|
|
do_test_lwgeom_effectivearea(the_geom->points,the_areas2,avoid_collaps);
|
|
lwline_free(the_geom);
|
|
}
|
|
|
|
|
|
|
|
static void do_test_lwgeom_effectivearea_polys(void)
|
|
{
|
|
LWPOLY *the_geom;
|
|
int avoid_collaps=4;
|
|
|
|
/*POLYGON 1*/
|
|
the_geom = (LWPOLY*)lwgeom_from_wkt("POLYGON((10 10,12 8, 15 7, 18 7, 20 20, 15 21, 18 22, 10 30,1 99, 0 100, 10 10))", LW_PARSER_CHECK_NONE);
|
|
double the_areas1[]={FLT_MAX,5,1.5,55,100,4,4,FLT_MAX,30,FLT_MAX,FLT_MAX};
|
|
do_test_lwgeom_effectivearea(the_geom->rings[0],the_areas1,avoid_collaps);
|
|
lwpoly_free(the_geom);
|
|
}
|
|
|
|
|
|
void effectivearea_suite_setup(void);
|
|
void effectivearea_suite_setup(void)
|
|
{
|
|
CU_pSuite suite = CU_add_suite("effectivearea",NULL,NULL);
|
|
PG_ADD_TEST(suite, do_test_lwgeom_effectivearea_lines);
|
|
PG_ADD_TEST(suite, do_test_lwgeom_effectivearea_polys);
|
|
}
|