[pstricks] pst-solides3d and external files (colours)

[Leonardo]

> I suppose that you are missing -dALLOWPSTRANSPARENCY

This produced the same output as before.

> However, run this with lualatex
>
> \DocumentMetadata{}
> \documentclass{article}
> \usepackage{pstricks,pst-solides3d}
> \begin{document}
> \begin{pspicture}(-5,-3.5)(4,3)
> \psset{lightsrc=80 30 30}
> \psset{viewpoint=100 60 20 rtp2xyz,Decran=75}
> \psframe*[linecolor=cyan!30](-4.5,-3)(3.5,3)
> \psSolid[object=datfile,filename=horoptere]
> \end{pspicture}
> \end{document}

Tried this but the result was the same.

I attached a PDF of what I'm getting and what I would like to get when reading the external file.

Thanks,
Leonardo
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