[Paraview] D3 filter and PkdTrees: how to tell if D3 previously executed?, PkdTree point locators

2009-11-10 Thread Christine Corbett Moran
Hi, I'm now playing around with creating some filters which use PkdTrees internally, mainly for their point locator capabilities. As the filters I'm interested in creating work best with spatial locality, I want to execute D3 if running in parallel and it has not previously been executed. I had fo

Re: [Paraview] D3 filter and PkdTrees: how to tell if D3 previously executed?, PkdTree point locators

2009-11-11 Thread burlen
HI, I can only address the questions, 1) and 4). They can be solved using vtkInformationKey's 1. How do I tell if D3 has been executed previously in the pipeline? 4. If I run D3 and/or build a KdTree within my filter it would be nice to save this for possible use by filters downstream. I

Re: [Paraview] D3 filter and PkdTrees: how to tell if D3 previously executed?, PkdTree point locators

2009-11-12 Thread Christine Corbett Moran
Hi Burlen, Yes this helps, thanks. Although I was hoping not to have to modify D3, more because of the desire to keep a simple user friendly architecture for my plugin than laziness in the face of such a simple change. Based on your response, my current plan of action for my now three and growing