mirror of
https://github.com/osm-search/Nominatim.git
synced 2024-11-27 00:49:55 +03:00
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
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* The author of this software is Shane O'Sullivan.
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* Permission to use, copy, modify, and distribute this software for any
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* purpose without fee is hereby granted, provided that this entire notice
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* is included in all copies of any software which is or includes a copy
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* or modification of this software and in all copies of the supporting
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* documentation for such software.
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* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR AT&T MAKE ANY
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* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
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* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
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*/
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#
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#include <stdio.h>
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#include <search.h>
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#include <malloc.h>
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#include "VoronoiDiagramGenerator.h"
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int main(int argc, char **argv)
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{
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double xmin, xmax, ymin, ymax;
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scanf("%lf %lf %lf %lf", &xmin, &xmax, &ymin, &ymax) ;
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SourcePoint * sites;
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long nsites;
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nsites = 0;
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sites = (SourcePoint *) malloc(4000 * sizeof(SourcePoint));
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while (scanf("%d %lf %lf %lf", &sites[nsites].id, &sites[nsites].weight, &sites[nsites].x, &sites[nsites].y) != EOF)
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{
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nsites++;
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if (nsites % 4000 == 0) {
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sites = (SourcePoint *)realloc(sites,(nsites+4000)*sizeof(SourcePoint));
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}
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}
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VoronoiDiagramGenerator * pvdg;
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pvdg = new VoronoiDiagramGenerator();
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pvdg->generateVoronoi(sites, nsites, xmin, xmax, ymin, ymax, 0);
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// printf("sites %ld\n-------------------------------\n", nsites);
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PolygonPoint* pSitePoints;
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int numpoints, i, j;
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for(i = 0; i < nsites; i++)
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{
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pvdg->getSitePoints(i, &numpoints, &pSitePoints);
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if (numpoints == 0)
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{
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printf("-- no points for %d\n", i);
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}
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else
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{
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printf("update temp_child_4076440_0 set resultgeom = st_setsrid('POLYGON((");
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for(j = 0; j < numpoints; j++)
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{
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printf("%.15lf %.15lf,", pSitePoints[j].coord.x, pSitePoints[j].coord.y, (pSitePoints[j].angle/M_PI)*180);
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}
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printf("%.15lf %.15lf", pSitePoints[0].coord.x, pSitePoints[0].coord.y, (pSitePoints[j].angle/M_PI)*180);
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printf("))'::geometry,4326) where id = %d;\n", sites[i].id);
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}
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}
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float x1,y1,x2,y2;
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// printf("sites %ld\n-------------------------------\n", nsites);
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pvdg->resetIterator();
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while(pvdg->getNext(x1,y1,x2,y2))
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{
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printf("(%f %f,%f %f)\n",x1,y1,x2, y2);
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}
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delete pvdg;
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free(sites);
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return 0;
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}
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