I'm having trouble to insert a line geometry into a personal geodatabase (using Python/ArcGIS 9.3.1). Everything works fine if the target feature is a shapefile. My guess is that calling:

traj.shape = lineArray

is causing the exception:

 File "C:\Python27\lib\site-packages\win32com\client\dynamic.py", line 570, 
 in __setattr__ raise AttributeError("Property '%s.%s' can not be set." %
 (self._username_, attr))AttributeError: Property '<unknown>.shape' can not be set.

However, lineArray holds the coordinates of the vertexes. To populate a new row I call:

newTraj = rowInserter.newRow() 
newTraj.shape = lineArray
del rowInserter

Is there maybe someone with some experience on this topic?


1 Answer 1


I solved the mystery. Shape refers to the data type 'Geometry', which has an alias field name. It turned out that this is 'SHAPE' if you're dealing with shape-files but 'GEOMETRIE' with our geodatabase. However, there is no documentation whatsoever on the how's and why's for assigning the array object to the geometry field name.

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