Nominatim/nominatim/voronoi/voronoi_main.cpp
2010-10-25 10:50:52 +00:00

87 lines
2.8 KiB
C++

/*
* The author of this software is Shane O'Sullivan.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR AT&T MAKE ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
#
#include <stdio.h>
#include <search.h>
#include <malloc.h>
#include "VoronoiDiagramGenerator.h"
int main(int argc, char **argv)
{
double xmin, xmax, ymin, ymax;
scanf("%lf %lf %lf %lf", &xmin, &xmax, &ymin, &ymax) ;
SourcePoint * sites;
long nsites;
nsites = 0;
sites = (SourcePoint *) malloc(4000 * sizeof(SourcePoint));
while (scanf("%d %lf %lf %lf", &sites[nsites].id, &sites[nsites].weight, &sites[nsites].x, &sites[nsites].y) != EOF)
{
nsites++;
if (nsites % 4000 == 0) {
sites = (SourcePoint *)realloc(sites,(nsites+4000)*sizeof(SourcePoint));
}
}
VoronoiDiagramGenerator * pvdg;
pvdg = new VoronoiDiagramGenerator();
pvdg->generateVoronoi(sites, nsites, xmin, xmax, ymin, ymax, 0);
// printf("sites %ld\n-------------------------------\n", nsites);
PolygonPoint* pSitePoints;
int numpoints, i, j;
for(i = 0; i < nsites; i++)
{
pvdg->getSitePoints(i, &numpoints, &pSitePoints);
if (numpoints == 0)
{
printf("-- no points for %d\n", i);
}
else
{
printf("update temp_child_4076440_0 set resultgeom = st_setsrid('POLYGON((");
for(j = 0; j < numpoints; j++)
{
printf("%.15lf %.15lf,", pSitePoints[j].coord.x, pSitePoints[j].coord.y, (pSitePoints[j].angle/M_PI)*180);
}
printf("%.15lf %.15lf", pSitePoints[0].coord.x, pSitePoints[0].coord.y, (pSitePoints[j].angle/M_PI)*180);
printf("))'::geometry,4326) where id = %d;\n", sites[i].id);
}
}
float x1,y1,x2,y2;
// printf("sites %ld\n-------------------------------\n", nsites);
pvdg->resetIterator();
while(pvdg->getNext(x1,y1,x2,y2))
{
printf("(%f %f,%f %f)\n",x1,y1,x2, y2);
}
delete pvdg;
free(sites);
return 0;
}