After graypolarplot(), colorbar() yields an empty non-graduated color bar
@sgougeon)
Reported by Samuel GOUGEON (BUG DESCRIPTION:
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After graypolarplot(), colorbar() yields a white color bar.
The range of U values is not correctly detected.
ERROR LOG:
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None. Wrong rendering.
HOW TO REPRODUCE THE BUG:
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graypolarplot()
colorbar()
OTHER INFORMATION:
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See also the bug 16011