Hi Randy,
The second argument to Midas.represent() is polymorphic, and if it is a list then is is expected to be a list of atoms.  You're giving it a list of models, which results in the 'drawMode' attribute of those models being set (to no effect).  Perhaps the polymorphism of the second argument could be improved to handle lists of models (or residues), but right now it doesn't. My suggestion is to use a Selection object based on your list of models, which Midas.represent() can handle, perhaps like so:

      self.model = ReadSDF.readSDF(tmpfile.name)
      chimera.openModels.add(self.model)

      from chimera.selection import ItemizedSelection
      sel = ItemizedSelection()
      sel.add(self.model)
      Midas.represent('cpk', sel)

--Eric

                        Eric Pettersen

                        UCSF Computer Graphics Lab

                        pett@cgl.ucsf.edu

                        http://www.cgl.ucsf.edu



On Feb 12, 2007, at 12:28 PM, Randy Heiland wrote:

I'd like to be able to set the representation (wire, stick, bs, cpk) of
a model programmatically, in this case, from a plugin.  I was trying the
following, but the newly displayed model would always be displayed in
wire:

      self.model = ReadSDF.readSDF(tmpfile.name)
      chimera.openModels.add(self.model)

      #Midas.represent('stick', self.model)
      Midas.represent('cpk', self.model)

Suggestions?
thanks, Randy

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