[vtk-developers] Rationale for vtkWedge point order

[Mark Olesen]

On Wed, 2010-02-24 at 12:59 -0500, Zhanping Liu wrote:
 
> There is really a historical inconsistency in terms of nodes ordering
> of vtkWedge (bug #7588). The ordering scheme given by the 'VTK' text
> (pp. 125, edition 4) complies with the one adopted for other 3D
> primitives, whereas the one given by the 'VTK User's Guide' (pp. 334,
> version 5.0) is just opposite. These two schemes are both used in the
> VTK code, causing the inconsistency problem.


In that case, the cleanest long-term solution might be to deprecate the
use of vtkWedge in favour of a yet-to-written vtkPrism class that has an
ordering scheme compliant with the other 3D primitives.
This problem will otherwise continue to plague us for a very long time.

> I will fix the problem with the EnSight Reader.


Thanks.

/mark




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