lwcollection_largest_dimension()

static uint32_t lwcollection_largest_dimension ( const LWCOLLECTION *  col )

static

Examines contents of collection and finds the largest coordinate dimension of all components.

Areal > linear > puntal.

Definition at line 384 of file lwcollection.c.

{
        int largest_type = 0;
        size_t i;
        for (i = 0; i < col->ngeoms; i++)
        {
                LWGEOM *g = col->geoms[i];
                int gtype = lwgeom_get_type(g);
                if (lwgeom_is_collection(g))
                {
                        gtype = lwcollection_largest_dimension((LWCOLLECTION*)g);
                }
 
                if (gtype == POINTTYPE || gtype == LINETYPE || gtype == POLYGONTYPE)
                {
                        if (gtype > largest_type)
                                largest_type = gtype;
                }
        }
        return largest_type;
}

References LWCOLLECTION::geoms, LINETYPE, lwgeom_get_type(), lwgeom_is_collection(), LWCOLLECTION::ngeoms, POINTTYPE, and POLYGONTYPE.

Referenced by lwcollection_extract().

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