def get_latlon_extent(self):
layers = self.get_layers()
if not layers:
return stores.Extent(0, 0, 0, 0)
extent = layers[0].get_latlon_extent()
for layer in layers[1:]:
e = layer.get_latlon_extent()
extent.addX(e.minX(), e.maxX())
extent.addY(e.minY(), e.maxY())
return extent
def get_latlon_extent(self):
rect = mapscript.rectObj(*self.get_extent())
rect.project(mapscript.projectionObj(self.get_proj4()),
mapscript.projectionObj("+init=epsg:4326"))
return stores.Extent(rect.minx, rect.miny, rect.maxx, rect.maxy)
def get_extent(self):
extent = self.ms.getExtent()
return stores.Extent(extent.minx, extent.miny, extent.maxx, extent.maxy)