Perhaps someone that was involved in the design/implementation of these different locators can comment, but I was under the impression that the ModifiedBSPTree was optimized/written specifically for line intersections, while some of the other locators were optimized for different things. I started to look at this a while back:<div>
<br><div><a href="http://www.vtk.org/Wiki/VTK/Examples/Cxx#Timing_Demonstrations">http://www.vtk.org/Wiki/VTK/Examples/Cxx#Timing_Demonstrations</a><br clear="all"><br>but I never combined them so I could really compare the timings. Sounds like a winter project...<br>
<br>David<br></div></div>