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PRBonn / semantic-kitti-api

SemanticKITTI API for visualizing dataset, processing data, and evaluating results.
http://semantic-kitti.org
MIT License
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Fail to visualize pointcloud #23

Closed BenjaminYoung29 closed 5 years ago

BenjaminYoung29 commented 5 years ago

Hi，I have installed python3-dev, python3-pip, python3-pyqt5.qtopengl, and vispy. However I fail to run the visualize.py. The code run well and two windows popped out which I believe is the point cloud and the 2d picture. What went wrong is these windows stuck and seems transplant. And the terminal which run visualize.py print the following messages with vispy==0.6.1.

INTERFACE: Dataset /mnt/staging/data_odometry_velodyne/dataset Config config/labels/semantic-kitti.yaml Sequence 00 Predictions None ignore_semantics False ignore_safety False offset 0

Opening config file config/labels/semantic-kitti.yaml Sequence folder exists! Using sequence from /mnt/staging/data_odometry_velodyne/dataset/sequences/00/velodyne Labels folder exists! Using labels from /mnt/staging/data_odometry_velodyne/dataset/sequences/00/labels WARNING: QOpenGLWidget: Failed to create context WARNING: QOpenGLWidget: Failed to create context Using semantics in visualizer WARNING: QOpenGLWidget: Failed to create context WARNING: QOpenGLWidget: Failed to create context To navigate: b: back (previous scan) n: next (next scan) q: quit (exit program) WARNING: composeAndFlush: makeCurrent() failed WARNING: composeAndFlush: makeCurrent() failed WARNING: composeAndFlush: makeCurrent() failed WARNING: composeAndFlush: makeCurrent() failed WARNING: composeAndFlush: makeCurrent() failed

image

If I downgrade the vispy to 0.5.3, the error message would be

/usr/local/lib/python3.5/dist-packages/vispy/visuals/isourve.py:22: UserWarning: VisPy is not yet compatible with matplotlib 2.2+ warnings.warn("VisPy is not yet compatible with matplotlib 2.2+")

INTERFACE: Dataset /mnt/staging/data_odometry_velodyne/dataset/ Config config/labels/semantic-kitti.yaml Sequence 00 Predictions None ignore_semantics False ignore_safety False offset 0

Opening config file config/labels/semantic-kitti.yaml Sequence folder exists! Using sequence from /mnt/staging/data_odometry_velodyne/dataset/sequences/00/velodyne Labels folder exists! Using labels from /mnt/staging/data_odometry_velodyne/dataset/sequences/00/labels Traceback (most recent call last): File "./visualize.py", line 147, in instances=False) File "../../common/laserscanvis.py", line 27, in init self.reset() File "../../common/laserscanvis.py", line 37, in reset self.canvas = SceneCanvas(keys='interactive', show=True) File "/usr/local/lib/python3.5/dist-packages/vispy/scene/canvas.py", line 136, in init always_on_top, px_scale) File "/usr/local/lib/python3.5/dist-packages/vispy/app/canvas.py", line 205, in init self.create_native() File "/usr/local/lib/python3.5/dist-packages/vispy/app/canvas.py", line 222, in create_native self._app.backend_module.CanvasBackend(self, **self._backend_kwargs) File "/usr/local/lib/python3.5/dist-packages/vispy/app/backends/_qt.py", line 267, in init self._init_specific(p, kwargs) File "/usr/local/lib/python3.5/dist-packages/vispy/app/backends/_qt.py", line 669, in _init_specific raise RuntimeError('context could not be created') RuntimeError: context could not be created

And the program broke down. (For the warning "VisPy is not yet compatible with matplotlib 2.2+" I tried to downgrade matplitlib to 2.1, This warning disappear but the rest of error message remained.)

system: ubuntu 16.04. tensorflow-gpu: 1.12.0 torch 0.4.1 torchvision 0.2.1 conda : Not installed

What linux version do you use? Can you offer any help?

BenjaminYoung29 commented 5 years ago

Hi.

I've solved the problem. It turns out that it is the Windows' Remote Desktop Connection's problem. It doesn't support qt well. I use TeamViewer to connect my server and the program works!

jbehley commented 5 years ago

:+1:

Thanks for letting us know.