Hi Matt, Eric is right. Here it is with example Python code from VolumeViewer import active_volume v = active_volume() s = v.matrix_value_statistics() print s.minimum, s.maximum The active_volume() call can return None, for example if no data set is open. The matrix_value_statistics() call returns the values at the currently displayed subsampling (ie. step size). Your comment about the "use mouse scroll wheel" setting not working is a bug that I will look at soon. http://plato.cgl.ucsf.edu/trac/chimera/ticket/12187 Tom On Jul 1, 2013, at 11:14 AM, Eric Pettersen wrote:
On Jun 28, 2013, at 9:22 PM, "Dougherty, Matthew T" wrote:
I am trying to write some python scripts relating to volume viewer.
two things I need to have are: 1) the ability to figure out what dataset is active on the volume viewer. I will manually pick that with the mouse, my python sw will process the active model in volume viewer. 2) on the selected dataset I need to know what the min/max values are.
Hi Matt, As you know, Tom Goddard is on vacation -- so these answers are for novelty purposes only. :-)
1) I'm pretty sure that VolumeViewer.volumedialog.active_volume() will return the active volume (can return None of course in some cases).
2) I think that calling the volume's matrix_value_statistics method will return an object whose .minimum and .maximum attributes are what you want. Maybe.
--Eric
Eric Pettersen UCSF Computer Graphics Lab http://www.cgl.ucsf.edu
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