Este problema ocurre cuando se usa pyrender para renderizar:
ContextException Traceback (most recent call last)
/data/opt/AAN/lib/python3.7/site-packages/pyrender/platforms/pyglet_platform.py in init_context(self)
38 resizable=False,
---> 39 width=1, height=1)
40 except Exception as e:
/data/opt/AAN/lib/python3.7/site-packages/pyglet/window/xlib/__init__.py in __init__(self, *args, **kwargs)
172
--> 173 super(XlibWindow, self).__init__(*args, **kwargs)
174
/data/opt/AAN/lib/python3.7/site-packages/pyglet/window/__init__.py in __init__(self, width, height, caption, resizable, style, fullscreen, visible, vsync, file_drops, display, screen, config, context, mode)
605 if not context:
--> 606 context = config.create_context(gl.current_context)
607
/data/opt/AAN/lib/python3.7/site-packages/pyglet/gl/xlib.py in create_context(self, share)
163 def create_context(self, share):
--> 164 return XlibContext10(self, share)
165
/data/opt/AAN/lib/python3.7/site-packages/pyglet/gl/xlib.py in __init__(self, config, share)
263 def __init__(self, config, share):
--> 264 super(XlibContext10, self).__init__(config, share)
265
/data/opt/AAN/lib/python3.7/site-packages/pyglet/gl/xlib.py in __init__(self, config, share)
214
--> 215 self.glx_context = self._create_glx_context(share)
216 if not self.glx_context:
/data/opt/AAN/lib/python3.7/site-packages/pyglet/gl/xlib.py in _create_glx_context(self, share)
268 raise gl.ContextException(
--> 269 'Require GLX_ARB_create_context extension to create OpenGL 3 contexts.')
270
ContextException: Require GLX_ARB_create_context extension to create OpenGL 3 contexts.
During handling of the above exception, another exception occurred:
ValueError Traceback (most recent call last)
<ipython-input-6-5f3f7caecb04> in <module>()
8
9 imw, imh=1600, 1600
---> 10 mv = MeshViewer(width=imw, height=imh, use_offscreen=True)
/data/opt/AAN/lib/python3.7/site-packages/human_body_prior/mesh/mesh_viewer.py in __init__(self, width, height, use_offscreen)
53
54 if self.use_offscreen:
---> 55 self.viewer = pyrender.OffscreenRenderer(*self.figsize)
56 self.use_raymond_lighting(5.)
57 else:
/data/opt/AAN/lib/python3.7/site-packages/pyrender/offscreen.py in __init__(self, viewport_width, viewport_height, point_size)
29 self._platform = None
30 self._renderer = None
---> 31 self._create()
32
33 @property
/data/opt/AAN/lib/python3.7/site-packages/pyrender/offscreen.py in _create(self)
147 os.environ['PYOPENGL_PLATFORM']
148 ))
--> 149 self._platform.init_context()
150 self._platform.make_current()
151 self._renderer = Renderer(self.viewport_width, self.viewport_height)
/data/opt/AAN/lib/python3.7/site-packages/pyrender/platforms/pyglet_platform.py in init_context(self)
43 'context. If you\'re logged in via SSH, ensure that you\'re '
44 'running your script with vglrun (i.e. VirtualGL). The '
---> 45 'internal error message was "{}"'.format(e)
46 )
47
ValueError: Failed to initialize Pyglet window with an OpenGL >= 3+ context. If you're logged in via SSH, ensure that you're running your script with vglrun (i.e. VirtualGL). The internal error message was "Require GLX_ARB_create_context extension to create OpenGL 3 contexts."
Solución:
Agrega el código:
import os
os.environ["PYOPENGL_PLATFORM"] = "egl"