XOpenDisplay: cannot open display

[qiuzidian]

Hi, when I run preprocess_data. py on a remote server, the error message is as follows. Does this mean I need a graphical interface?

Traceback (most recent call last):
File "preprocess_data.py", line 355, in
main(sys.argv[1:])
File "preprocess_data.py", line 147, in main
scene = scene_from_args(args)
File "/home/zitian/work/DiffuScene/scripts/utils.py", line 244, in scene_from_args
scene = Scene(size=args.window_size, background=args.background)
File "/home/zitian/anaconda3/envs/diffuscene/lib/python3.8/site-packages/simple_3dviz/scenes.py", line 110, in init
super(Scene, self).init(size, background, ctx)
File "/home/zitian/anaconda3/envs/diffuscene/lib/python3.8/site-packages/simple_3dviz/scenes.py", line 22, in init
self._ctx = moderngl.create_standalone_context()
File "/home/zitian/anaconda3/envs/diffuscene/lib/python3.8/site-packages/moderngl/init.py", line 2014, in create_standalone_context
return create_context(standalone=True, **kwargs)
File "/home/zitian/anaconda3/envs/diffuscene/lib/python3.8/site-packages/moderngl/init.py", line 1964, in create_context
ctx.mglo, ctx.version_code = mgl.create_context(glversion=require, mode=mode, **settings)
File "/home/zitian/anaconda3/envs/diffuscene/lib/python3.8/site-packages/glcontext/init.py", line 90, in create
return x11.create_context(**kwargs)
Exception: (standalone) XOpenDisplay: cannot open display

[silvester666]

hi, I have the same error when I run generate_diffusion.py. Do you have a solution to this error?