[vtk-developers] Proposed refactoring of locators

[John Biddiscombe]

Berk et al,

I've just checked in a bunch of locator based changes

1) Added BSP based locator to vtkGraphics
2) Changed a few lines in vtkCellLocator so that the BuildIfNeeded is 
used (particle tracer constructs locator for each block only if a 
particle actually goes into or is tested in the block, lazy build option).
3) A few other tweaks here and there that I can't quite remember

If there is redness on tomorrow's dashboard, please help out if possible.

Once these changes are in and green is showing, I'll commit new particle 
tracer and associated helper classes.

JB


> Hi folks,
>
> We have had a long standing issue with the performance of point and
> cell locators. We are working on addressing this by developing
> adaptive (octree, K-D tree and BSP tree) point and cell locators.
> Adding these classes in a way that they are accessible by all filters
> will require some re-architecturing of the locator hierarchy. I
> summarized these in the wiki page below. Please let us know if you
> have any comments or suggestions.
>
> http://www.vtk.org/Wiki/VTK/Locator_Refactoring
>
> -berk
>   


-- 
John Biddiscombe,                            email:biddisco @ cscs.ch
http://www.cscs.ch/
CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82