Delaunay 3d filter leaves unwanted lines
This issue was created automatically from an original Mantis Issue. Further discussion may take place here.
I have a user that is trying to visualize a .csv file. This file is a point field of particles arching in a gravitational or magnetic field, such as throwing a hand full of dirt through the air, and watching each particle's trajectory. The Delaunay 3d filter correctly creates a solid object, but it also fills in the center of this arc. If you modify Alpha to remove these rogue triangles, you correctly get the dust cloud. However, the filter leaves rogue lines all over. Either these lines should be removed, or if they should sometimes be present, they optionally should be removable.
I created an example .csv file, which forms an arch. Although this dataset does correctly use alpha, we can tweak alpha to show the problem.
- ParaView 3.98.1, Windows, local server.
- Read in the attached .csv file. Apply.
- Table to point filter. Select x for X, y for Y and z for Z. Apply.
- Delaunay 3d filter. Alpha of 2.8. (Alpha of 3.5 looks really nice, but doesn't show the bug). Apply.
- Split screen horizontal. 3d View. Turn visibility on.
Now, you can see the bug. There are lines on the vertical pilars for the arch. There are also 2d planes formed - I don't know if they are a problem or not, but the white lines are.
This is keeping a user from using ParaView. Marking as high priority, hoping we can pick up this user.