Slice normal input is trigger happy
The input boxes on Slice, and especially Normal, need to delay the check until the apply. Here is how to replicate:
- 5.6.0, builtin server, Linux.
- Load disk_out_ref.exo. Apply.
- Slice. Now, before clicking Apply, change Normal X to 0. Click in the Normal Z window, to change it to 1. You get the following error:
ERROR: In /home/buildslave/dashboards/buildbot/paraview-pvbinsdash-linux-shared-release_superbuild/build/superbuild/paraview/src/VTK/Filters/Sources/vtkPlaneSource.cxx, line 201 vtkPlaneSource (0x9c24b80): Specified zero normal