Bugs in graphics functions
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Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 25/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Stale
- Tech stack
- python
- Domain
- computer-graphics
Research direction
Reproduce the failure with the image example and the fractal example, then inspect arrayfire/graphics.py around the Window.image call and arrayfire/util.py around to_str and safe_call. Trace the backend error returned by the graphics operation; done means both examples run without the reported AttributeError and display their output.
Written by the indexing model from the issue text.
Description
This my code:
`
X = af.image.load_image(F[0],is_color=True)
win = af.Window(1280, 768, "imshow")
win.image(X)
`
It is throwing following error:
AttributeError Traceback (most recent call last)
in ()
----> 1 win.image(X)
/home/narsi/anaconda3/lib/python3.5/site-packages/arrayfire-3.5.0-py3.5.egg/arrayfire/graphics.py in image(self, img, title)
139 """
140 _cell = _Cell(self._r, self._c, title, self._cmap)
--> 141 safe_call(backend.get().af_draw_image(self._wnd, img.arr, c_pointer(_cell)))
142
143 def scatter(self, X, Y, Z=None, points=None, marker=MARKER.POINT, title=None):
/home/narsi/anaconda3/lib/python3.5/site-packages/arrayfire-3.5.0-py3.5.egg/arrayfire/util.py in safe_call(af_error)
77 err_len = c_dim_t(0)
78 backend.get().af_get_last_error(c_pointer(err_str), c_pointer(err_len))
---> 79 raise RuntimeError(to_str(err_str))
80
81 def get_version():
/home/narsi/anaconda3/lib/python3.5/site-packages/arrayfire-3.5.0-py3.5.egg/arrayfire/util.py in to_str(c_str)
70
71 def to_str(c_str):
---> 72 return str(c_str.value.decode('utf-8'))
73
74 def safe_call(af_error):
AttributeError: 'NoneType' object has no attribute 'decode'
Getting same error with fractal example too.
- Dominant language
- Python
- Stars
- 422
- Forks
- 63
- PR merge metrics
- No merged PRs in 30d
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