Linux Mint Debian Edition 7 (based on Debian 13), 64-bit
I updated the filter definitions before testing.
Steps to reproduce
Open any RGB photo in GIMP.
Open G’MIC-Qt and select Stereoscopic 3D / 3D Conversion with its default settings (Scene Selector: Center Background, Output Format: Anaglyph Red/cyan, Input layers: Active).
The preview shows the error below.
Error
*** Error in ./fx_tk_make3D_preview/*if/fx_tk_make3D/(...)/*local/*if/fx_radial_gradient/*substitute/ ***
Unknown command or filename '1-15'.
It looks like fx_tk_make3D passes arguments to fx_radial_gradient that are no longer valid in G’MIC 4.0.
Thanks for the quick update! I refreshed the filters (update405.gmic is dated today, Oct 11 10:24), but I still get the same error with Scene Selector set to Center Foreground, Center Background and Portrait:
*** Error in ./fx_tk_make3D_preview/*if/fx_tk_make3D/(...)/*local/*if/fx_radial_gradient/*substitute/ ***
Unknown command or filename ‘1-15’.
[The other Scene Selector options work fine. / All Scene Selector options give the same error.]
Screenshots attached.