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IDProjectCategoryView StatusDate SubmittedLast Update
0003225VTK(No Category)public2006-05-12 15:282016-08-12 09:54
ReporterEdson Tadeu M. Manoel 
Assigned ToWill Schroeder 
PrioritynormalSeveritymajorReproducibilityalways
StatusclosedResolutionmoved 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
Project
Type
Summary0003225: vtkWedge EvaluatePosition and faces
DescriptionThere is a bug in vtkWedge::EvaluatePosition, it can tell a point is inside when in reality it is outside.

E.g, try to create a vtkWedge with the following points:
(8,0,0), (16,0,0), (16,8,0), (8,0,8), (16,0,8), (16,8,8)

And try to EvaluatePosition for point (17,6,4). It will return 1, telling it is inside.

A solution is to change the following code:

  if ( pcoords[0] >= -0.001 && pcoords[0] <= 1.001 &&
  pcoords[1] >= -0.001 && pcoords[1] <= 1.001 &&
  pcoords[2] >= -0.001 && pcoords[2] <= 1.001 )

To:

   if ( pcoords[0] >= -0.001 && pcoords[1] >= -0.001 &&
       (pcoords[0] + pcoords[1]) <= 1.001 &&
        pcoords[2] >= -0.001 && pcoords[2] <= 1.001 )



There is another bug in its faces array (and with GetFace and GetFaceArray):
The faces normals are pointing inside, instead of outside (as of all other 3D cells).
Instead of:

static int faces[5][4] = { {0,1,2,-1}, {3,5,4,-1},
                           {0,3,4,1}, {1,4,5,2}, {2,5,3,0} };

It should be:

static int faces[5][4] = { {0,2,1,-1}, {3,4,5,-1},
                           {0,1,4,3}, {1,2,5,4}, {2,0,3,5} };
Steps To Reproduce
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Issue History
Date ModifiedUsernameFieldChange
2008-02-06 10:21Jeff BaumesAssigned ToMathieu Malaterre => Will Schroeder
2011-06-16 13:11Zack GalbreathCategory => (No Category)
2016-08-12 09:54Kitware RobotNote Added: 0036867
2016-08-12 09:54Kitware RobotStatusexpired => closed
2016-08-12 09:54Kitware RobotResolutionopen => moved

Notes
(0036867)
Kitware Robot   
2016-08-12 09:54   
Resolving issue as `moved`.

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