[thuban-Bugs][233] empty shapefile produces an error

[thuban-bugs@wald.intevation.org]

Bugs item #233, was opened at 2006-11-13 09:37
Status: Open
Priority: 1
Submitted By: Didrik Pinte (dpinte)
Assigned to: Nobody (None)
Summary: empty shapefile produces an error 
Resolution: None
Version: None
Category: None


Initial Comment:
Opening an empty shapefile works fine, but when you try to move on the map, you get the following error :

Traceback (most recent call last):
  File "/home/did/projets/python/thuban/current/thuban/Thuban/UI/view.py", line 202, in _do_redraw
    if self.render_iter.next():
  File "/home/did/projets/python/thuban/current/thuban/Thuban/UI/view.py", line 251, in _render_iterator
    for cont in renderer.RenderMapIncrementally():
  File "/home/did/projets/python/thuban/current/thuban/Thuban/UI/baserenderer.py ", line 191, in render_map_incrementally
    for i in self.draw_shape_layer_incrementally(layer):
  File "/home/did/projets/python/thuban/current/thuban/Thuban/UI/baserenderer.py ", line 257, in draw_shape_layer_incrementally
    for shape in self.layer_shapes(layer):
  File "/home/did/projets/python/thuban/current/thuban/Thuban/UI/renderer.py", l ine 320, in layer_shapes
    return layer.ShapesInRegion((left, bottom, right, top))
  File "/home/did/projets/python/thuban/current/thuban/test/../Thuban/Model/laye r.py", line 244, in ShapesInRegion
    clipbbox = self.__mangle_bounding_box(bbox)
  File "/home/did/projets/python/thuban/current/thuban/test/../Thuban/Model/laye r.py", line 336, in __mangle_bounding_box
    lminx, lminy, lmaxx, lmaxy = self.LatLongBoundingBox()
TypeError: unpack non-sequence


I have to admit that it's not really smart to open empty shapefiles, but ... it happens sometimes ;-)

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