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RGB stack sometimes fails to return the data #44

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zemogle opened this issue Dec 16, 2024 · 0 comments · May be fixed by #45
Open

RGB stack sometimes fails to return the data #44

zemogle opened this issue Dec 16, 2024 · 0 comments · May be fixed by #45
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@jnation3406
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@zemogle
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zemogle commented Dec 16, 2024

Sometimes an image will not appear in an RGB stack. You won't see a thumbnail and the histogram has a range of 0-6. When I had this recently I inspected the returned data for file cpt0m439-sq39-20241108-0111-e91:

The error is :

ValueError at /api/analysis/raw-data/
`bins` must increase monotonically, when an array

And the stack trace is

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/site-packages/django/core/handlers/exception.py", line 55, in inner
    response = get_response(request)
  File "/usr/local/lib/python3.10/site-packages/django/core/handlers/base.py", line 197, in _get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/local/lib/python3.10/site-packages/django/views/decorators/csrf.py", line 56, in wrapper_view
    return view_func(*args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/django/views/generic/base.py", line 104, in view
    return self.dispatch(request, *args, **kwargs)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 509, in dispatch
    response = self.handle_exception(exc)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 469, in handle_exception
    self.raise_uncaught_exception(exc)
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 480, in raise_uncaught_exception
    raise exc
  File "/usr/local/lib/python3.10/site-packages/rest_framework/views.py", line 506, in dispatch
    response = handler(request, *args, **kwargs)
  File "/datalab/datalab/datalab_session/views.py", line 52, in post
    output = raw_data(input)
  File "/datalab/datalab/datalab_session/analysis/raw_data.py", line 49, in raw_data
    histogram, bin_edges = np.histogram(samples, bins=bins)
  File "/usr/local/lib/python3.10/site-packages/numpy/lib/histograms.py", line 780, in histogram
    bin_edges, uniform_bins = _get_bin_edges(a, bins, range, weights)
  File "/usr/local/lib/python3.10/site-packages/numpy/lib/histograms.py", line 431, in _get_bin_edges
    raise ValueError(
@jnation3406 jnation3406 linked a pull request Dec 16, 2024 that will close this issue
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@jnation3406 jnation3406 added the bug Something isn't working label Dec 16, 2024
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Fix raw_data endpoint to work with 32 bit images with negative values LCOGT/ptr_datalab
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@zemogle @jnation3406