[vtk-developers] ChartParallelCoordinates clearing AxesSelections on resize

[Eric E. Monson]

Yes, please test it out because I'm not really sure what the right criteria is. I'm fine as long as things like resizing the windows don't clear out the axes selections.

Thanks for taking a look,
-Eric


On Sep 24, 2010, at 11:55 AM, Marcus D. Hanwell wrote:

> On Mon, Sep 20, 2010 at 4:02 PM, Eric E. Monson <emonson at cs.duke.edu> wrote:
> Hey,
> 
> In vtkChartParallelCoordinates the red boxes that show selection ranges are stored in this->Storage->AxesSelections. This gets cleared on every call to Update(), and I think this is a bit too aggressive since they end up being cleared even when the window is just resized.
> 
> I'm having some trouble deciding on what test to use, though. Maybe something like this (attached) that (I think) tests whether the data has been changed more recently than the chart was rebuilt?
> 
> Yes, I think that was a little heavy handed. Let me test this out, but it looks like a reasonable criteria to use.
> 
> Thanks,
> 
> Marcus
> --
> Marcus D. Hanwell, Ph.D.
> R&D Engineer, Kitware Inc.
> (518) 881-4937 

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