[vtkusers] Surface from rough grid

Kenneth Porter shiva at sewingwitch.com
Fri Jan 15 21:14:36 EST 2010


--On Friday, January 15, 2010 8:33 PM -0500 David Doria 
<daviddoria+vtk at gmail.com> wrote:

> This should do the trick:
>
> http://www.cmake.org/Wiki/VTK/Examples/Filtering/Delaunay2D
>
> If you have problems, send us your data set and we'll see what we can do.

Thanks! I independently discovered that while tinkering around with 
Paraview, and it looks like it does what I need.

That Paraview filter also offers to put axis annotations on the display, 
but I suspect it's not present in the underlying C++ class. Perhaps it's 
some actor? I'm also able to color code by Z height by passing the Z as a 
scalar array. Is there some way to display the mapping from scalar value to 
color as an annotation actor? I'm guessing I somehow attach this actor to 
the camera rather than the world so that it remains fixed in the view while 
the user moves the camera around.

The Paraview filter offers a transform on its Display tab. Does this map to 
the Actor transform in C++?





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