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run DocCreatorDegradator on display-less Linux Server #8

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ponzioPJ opened this issue Feb 11, 2020 · 3 comments
Open

run DocCreatorDegradator on display-less Linux Server #8

ponzioPJ opened this issue Feb 11, 2020 · 3 comments

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@ponzioPJ
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Hi,

I try to run DocCreatorDegradator on display-less Linux Server. How can I do it? The 3D model uses QOpenGLWidget.
@BorisMansencal
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Hi,
Indeed, currently the 3D degradation model does not work on a display-less linux server.

What would be the server configuration you would like to run DocCreatorDegradator on ? Which linux distribution ? Does it have a GPU ?

It seems that we could provide software OpenGL rendering (using OSMesa).
For hardware OpenGL rendering, it seems that we need EGL that currently only runs with Nvidia hardware.

@ponzioPJ
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Thank you very much.
My server has Nvidia cards. So I use EGL and it works.

@BorisMansencal
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Hi,
I have added OpenGL offscreeen rendering through OSMesa and GLFW in the Distortion3D branch. If you install OSMesa and configure DocCreator cmake with -DBUILD_WITH_OSMESA=ON (see README.md), you should be able to use the 3D degradation model on a display-less linux server.

Let me know how it goes.

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@BorisMansencal @ponzioPJ