Function msGEOSShape2Geometry

mapgeos.c:247–282

}

GEOSGeom msGEOSShape2Geometry(shapeObj *shape)
{
  if(!shape)
    return NULL; /* a NULL shape generates a NULL geometry */

  switch(shape->type) {
  case MS_SHAPE_POINT:
    if(shape->numlines == 0 || shape->line[0].numpoints == 0) /* not enough info for a point */
      return NULL;

    if(shape->line[0].numpoints == 1) /* simple point */
      return msGEOSShape2Geometry_point(&(shape->line[0].point[0]));
    else /* multi-point */
      return msGEOSShape2Geometry_multipoint(&(shape->line[0]));
    break;
  case MS_SHAPE_LINE:
    if(shape->numlines == 0 || shape->line[0].numpoints < 2) /* not enough info for a line */
      return NULL;

    if(shape->numlines == 1) /* simple line */
      return msGEOSShape2Geometry_line(&(shape->line[0]));
    else /* multi-line */
      return msGEOSShape2Geometry_multiline(shape);
    break;
  case MS_SHAPE_POLYGON:
    if(shape->numlines == 0 || shape->line[0].numpoints < 4) /* not enough info for a polygon (first=last) */
      return NULL;

    return msGEOSShape2Geometry_polygon(shape); /* simple and multipolygon cases are addressed */
    break;
  default:
    break;
  }

  return NULL; /* should not get here */
}

static shapeObj *msGEOSGeometry2Shape_point(GEOSGeom g)
{