/* takes a GEOMETRY and returns an X3D representation */
extern char *
lwgeom_to_x3d3(const LWGEOM *geom, char *srs, int precision, int opts, const char *defid)
{
int type = geom->type;
switch (type)
{
case POINTTYPE:
return asx3d3_point((LWPOINT*)geom, srs, precision, opts, defid);
case LINETYPE:
return asx3d3_line((LWLINE*)geom, srs, precision, opts, defid);
case POLYGONTYPE:
{
/** We might change this later, but putting a polygon in an indexed face set
* seems like the simplest way to go so treat just like a mulitpolygon
*/
LWCOLLECTION *tmp = (LWCOLLECTION*)lwgeom_as_multi(geom);
char *ret = asx3d3_multi(tmp, srs, precision, opts, defid);
lwcollection_free(tmp);
return ret;
}
case TRIANGLETYPE:
return asx3d3_triangle((LWTRIANGLE*)geom, srs, precision, opts, defid);
case MULTIPOINTTYPE:
case MULTILINETYPE:
case MULTIPOLYGONTYPE:
return asx3d3_multi((LWCOLLECTION*)geom, srs, precision, opts, defid);
case POLYHEDRALSURFACETYPE:
return asx3d3_psurface((LWPSURFACE*)geom, srs, precision, opts, defid);
case TINTYPE:
return asx3d3_tin((LWTIN*)geom, srs, precision, opts, defid);
case COLLECTIONTYPE:
return asx3d3_collection((LWCOLLECTION*)geom, srs, precision, opts, defid);
default:
lwerror("lwgeom_to_x3d3: '%s' geometry type not supported", lwtype_name(type));
return NULL;
}
}
// trying to make polygon to be valid
// accept only string-polygon in wkb format
static VALUE make_valid(VALUE self, VALUE geom_wkb)
{
VALUE result;
LWGEOM *valid_lwg;
int wkb_size_a;
wkb_size_a = RSTRING_LEN(geom_wkb);
lwg = lwgeom_from_wkb(RSTRING_PTR(geom_wkb), wkb_size_a, 0);
valid_lwg = lwgeom_make_valid(lwg);
//make multi
valid_lwg = lwgeom_as_multi(valid_lwg);
char *wkb_str = (char*)lwgeom_to_wkb(valid_lwg, WKB_HEX, NULL);
return rb_str_new2(wkb_str);
}