asgml2_poly_buf()

static size_t asgml2_poly_buf ( const LWPOLY *  poly, const char *  srs, char *  output, int  precision, const char *  prefix  )

static

Definition at line 382 of file lwout_gml.c.

References lwpoly_is_empty(), LWPOLY::nrings, pointArray_toGML2(), and LWPOLY::rings.

Referenced by asgml2_collection_buf(), asgml2_multi_buf(), and asgml2_poly().

{
        int i;
        char *ptr=output;

        ptr += sprintf(ptr, "<%sPolygon", prefix);
        if ( srs ) ptr += sprintf(ptr, " srsName=\"%s\"", srs);
        if ( lwpoly_is_empty(poly) )
        {
                ptr += sprintf(ptr, "/>");
                return (ptr-output);
        }
        ptr += sprintf(ptr, ">");
        ptr += sprintf(ptr, "<%souterBoundaryIs><%sLinearRing><%scoordinates>",
                       prefix, prefix, prefix);
        ptr += pointArray_toGML2(poly->rings[0], ptr, precision);
        ptr += sprintf(ptr, "</%scoordinates></%sLinearRing></%souterBoundaryIs>", prefix, prefix, prefix);
        for (i=1; i<poly->nrings; i++)
        {
                ptr += sprintf(ptr, "<%sinnerBoundaryIs><%sLinearRing><%scoordinates>", prefix, prefix, prefix);
                ptr += pointArray_toGML2(poly->rings[i], ptr, precision);
                ptr += sprintf(ptr, "</%scoordinates></%sLinearRing></%sinnerBoundaryIs>", prefix, prefix, prefix);
        }
        ptr += sprintf(ptr, "</%sPolygon>", prefix);

        return (ptr-output);
}

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