[Bug] [FEM] adding transparency destroys mesh result coloring

[donovaly]

Is there an existing issue for this?

• I have searched the existing issues

Forums discussion

https://forum.freecadweb.org/viewtopic.php?p=600581#p600581

Version

0.19 (Release)

Full version info

OS: Windows 10 Version 2009
Word size of OS: 64-bit
Word size of FreeCAD: 64-bit
Version: 0.19.24267 +148 (Git)
Build type: Release
Branch: Branch_0.19.4
Hash: 476ecf091941bead59b14e44afa6064d5a66afa3
Python version: 3.8.6+
Qt version: 5.15.2
Coin version: 4.0.1
OCC version: 7.5.3

Subproject(s) affected?

FEM

Issue description

• select any result pipeline
• change its transparency to e.g. "4"
• IMPORTANT: the Display Mode must be set to "nodes" or "wireframe". With the "Surface" display mode, the bug does not occur.
  result: the result mesh color does no longer correspond to the color range

Anything else?

No response

Code of Conduct

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