[vtkusers] Cube representation of data?

Joel McGraw jpmcgraw1 at cox.net
Mon Mar 6 10:31:32 EST 2006


Deepak,

I just want to thank you for your response.  I ended up building the 
cube with glyphs and vtkPolyData.  Unfortunately this doesn't scale very 
well, but it'll do for now.

-Joel

Deepak Roy wrote:
> Hello,
>  
> Try using vtkCubeSource, if that is what you need ( 
> http://www.vtk.org/doc/release/4.2/html/classvtkCubeSource.html ).
>  
> It will give you the vtkPolyData for your cube. You can then assign 
> colors for the cells manually through scalars.
>  
> If you want a cube that is more custom built, you can explicitly build 
> the vtkPolyData for the cube by creating the cells and points.
>  
> Read the online VTK documentation for vtkPolyData and vtkCubeSource or 
> you can also refer to the VTK user guide textbook if you have one. That 
> should help you in achieving your task.
>  
> Regards,
>  
> Deepak Roy
> 
>  
> On 2/28/06, *Joel McGraw* <jpmcgraw1 at cox.net <mailto:jpmcgraw1 at cox.net>> 
> wrote:
> 
>     Hello,
> 
>     I'm new to VTK and trying to create a cube (in C++) composed of "cells"
>     or blocks, each of which contains a numeric value that maps to a color.
>        For any point x,y,z in the cube, I only want to see the color that
>     represents that point's value.
> 
>     After looking at the examples and the VTK User's Guide I'm still at a
>     loss as to how to start.
> 
>     Would some kind soul point me down the right path?
> 
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