Kelie schrieb:
> Hello,
>
> I tried using comtypes to change the colors of all objects in the ModelSpace
> of
> a drawing and got some interesting (at least to me) results. First of all, the
> speed of Python code is much slower than Autolisp/VisualLisp (a programming
> language built into AutoCAD) code. Second of all, I'm puzzled by the
> significant
> differences among different Python methods.
>
> Python code:
>
> import time
> import comtypes.client
>
> app = comtypes.client.GetActiveObject("AutoCAD.Application")
> ms = app.ActiveDocument.ModelSpace
>
> print "Starting 1st test..."
> timestart = time.clock()
> for i in xrange(ms.Count):
> ms.Item(i).Color = 3
> timepassed = time.clock() - timestart
> print "Done. %.3f seconds passed." % timepassed
It might be faster to use this code; you sabe one COM call in the loop:
item = ms.Item
for i in xrange(ms.Count):
item(i).Color = 3
Thomas
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