Test geos_c library

test.cpp

//Compile with: g++ test.cpp -lgeos_c -o test
#include <geos_c.h>
#include <stdio.h>

void noticeFunc(const char *message, ...)
{
	printf("notice: %s\n", message);
}

void errorFunc(const char *message, ...)
{
	printf("error: %s\n", message);
}

int main(){
	GEOSContextHandle_t cx = GEOS_init_r();
	
	GEOSContext_setNoticeHandler_r(cx, &noticeFunc);
	GEOSContext_setErrorHandler_r(cx, &errorFunc);

	GEOSWKTReader *r = GEOSWKTReader_create_r(cx);
	GEOSGeometry *geom = GEOSWKTReader_read_r(cx, r, "POINT(0.000001 51.0)");

	GEOSWKTWriter *w = GEOSWKTWriter_create_r(cx);
	GEOSWKTWriter_setTrim_r(cx, w, true);
	char *wkt = GEOSWKTWriter_write_r(cx, w, geom);
	printf("%s\n", wkt);

	GEOSWKTReader_destroy_r(cx, r);
	GEOSWKTWriter_destroy_r(cx,	w);

	GEOS_finish_r(cx);
}