On Thu, Nov 18, 2010 at 03:54:35PM +0100, moscardi wrote:
> with the callback function :
> def picker_callback(picker_obj):
> # Marking of the region, I just change the transparency for the moment (I
> look for a other way)
> cellid = data[picker_obj.mapper_position]
> if cellid != 0 :
> lut[cellid-1,3] = 50
> surf.module_manager.scalar_lut_manager.lut.table =lut
> mlab.draw()
I think that it is better to retrieve the value of the data at the pick
position:
if picker.mapper is None:
return
cellid = int(picker.mapper.input.point_data.scalars[picker.point_id])
col[cellid,3] = 50
This works well if you don't have overlap between objects. It is a more
'canonical way' of getting the scalar value.
Sorry, I won't investigate further to see how the remaining flustuations
can be explained: it's too late, and I have do=too busy days.
G
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