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Fixed bugs in Centroid (not GEOS)

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git-svn-id: http://svn.osgeo.org/postgis/trunk@935 b70326c6-7e19-0410-871a-916f4a2858ee
This commit is contained in:
Sandro Santilli 2004-10-05 21:53:11 +00:00
parent cf5f06a1d0
commit faa6893947
1 changed files with 4 additions and 5 deletions
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9
lwgeom/lwgeom_functions_basic.c
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@ -2779,10 +2779,9 @@ Datum centroid(PG_FUNCTION_ARGS)
{
PG_LWGEOM *geom = (PG_LWGEOM *)PG_DETOAST_DATUM(PG_GETARG_DATUM(0));
int type = lwgeom_getType(geom->type);
int ndims = lwgeom_ndims(geom->type);
int SRID = lwgeom_getSRID(geom);
LWGEOM_EXPLODED *exp = lwgeom_explode(SERIALIZED_FORM(geom));
LWPOLY *poly;
LWPOLY *poly=NULL;
LWPOINT *point;
PG_LWGEOM *result;
POINTARRAY *ring, *pa;
@ -2822,10 +2821,10 @@ Datum centroid(PG_FUNCTION_ARGS)
cent.z = tot_z/num_points_tot;
// Construct POINTARRAY (paranoia?)
pa = pointArray_construct(&cent, poly->ndims, 1);
pa = pointArray_construct((char *)&cent, 1, 0, 1);
// Construct LWPOINT
point = lwpoint_construct(ndims, SRID, wantbbox, pa);
point = lwpoint_construct(1, 0, SRID, wantbbox, pa);
// Serialize LWPOINT
srl = lwpoint_serialize(point);
@ -2834,7 +2833,7 @@ Datum centroid(PG_FUNCTION_ARGS)
pfree_POINTARRAY(pa);
// Construct output PG_LWGEOM
result = PG_LWGEOM_construct(srl, poly->SRID, wantbbox);
result = PG_LWGEOM_construct(srl, SRID, wantbbox);
PG_RETURN_POINTER(result);
}