Hello. Opening examples from pyqtgraph.examples. run (). Everything works
except 3D.
Part of the example:
******************************
from pyqtgraph.Qt import QtCore, QtGui
import pyqtgraph.opengl as gl
app = QtGui.QApplication([])
w = gl.GLViewWidget()
w.opts['distance'] = 200
w.show()
w.setWindowTitle('pyqtgraph example: GLVolumeItem')
******************************
Outputs this:
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qt5ct: using qt5ct plugin
bind: Invalid command `enable-meta-key'.
>>> Traceback (most recent call last):
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 204, in paintGL
self.setProjection(region=region)
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 126, in setProjection
glMatrixMode(GL_PROJECTION)
File
"/home/pi/.local/lib/python3.7/site-packages/OpenGL/platform/baseplatform.py",
line 415, in __call__
return self( *args, **named )
File "src/errorchecker.pyx", line 58, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
OpenGL.error.GLError: GLError(
err = 1282,
description = b'invalid operation',
baseOperation = glMatrixMode,
cArguments = (GL_PROJECTION,)
)
Traceback (most recent call last):
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 204, in paintGL
self.setProjection(region=region)
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 126, in setProjection
glMatrixMode(GL_PROJECTION)
File "src/errorchecker.pyx", line 58, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
OpenGL.error.GLError: GLError(
err = 1282,
description = b'invalid operation',
baseOperation = glMatrixMode,
cArguments = (GL_PROJECTION,)
)
Traceback (most recent call last):
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 204, in paintGL
self.setProjection(region=region)
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 126, in setProjection
glMatrixMode(GL_PROJECTION)
File "src/errorchecker.pyx", line 58, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
OpenGL.error.GLError: GLError(
err = 1282,
description = b'invalid operation',
baseOperation = glMatrixMode,
cArguments = (GL_PROJECTION,)
)
Traceback (most recent call last):
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 204, in paintGL
self.setProjection(region=region)
File
"/home/pi/.local/lib/python3.7/site-packages/pyqtgraph/opengl/GLViewWidget.py",
line 126, in setProjection
glMatrixMode(GL_PROJECTION)
File "src/errorchecker.pyx", line 58, in
OpenGL_accelerate.errorchecker._ErrorChecker.glCheckError
OpenGL.error.GLError: GLError(
err = 1282,
description = b'invalid operation',
baseOperation = glMatrixMode,
cArguments = (GL_PROJECTION,)
)
******************************
I've been working with Raspberry and Linux for a couple of months, so the
question may be silly.
What could be the problem?
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