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Rescale discrete levels for how='eq_hist' #1055

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merged 7 commits into from
Apr 5, 2022
Merged

Rescale discrete levels for how='eq_hist' #1055

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c096b57
Rescale small values for how='eq_hist'
ianthomas23 Mar 28, 2022
372c9d5
Use span range multiplier
ianthomas23 Mar 29, 2022
6dc5b7f
Accept lambda functions for 'how' that do not return max_data
ianthomas23 Mar 30, 2022
0214589
Add test
ianthomas23 Mar 31, 2022
2a97101
Renamed rescale_small_values to rescale_discrete_levels and max_data …
jbednar Apr 1, 2022
1fbd177
Temporarily try rescale_discrete_levels=True
ianthomas23 Apr 5, 2022
fa9cb77
Revert to default of rescale_discrete_levels=True
ianthomas23 Apr 5, 2022
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Revert to default of rescale_discrete_levels=True
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@ianthomas23
ianthomas23 committed Apr 5, 2022
commit fa9cb776643c3194489c91431d675509d32d297f
2 changes: 1 addition & 1 deletion datashader/transfer_functions/__init__.py
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Expand Up @@ -545,7 +545,7 @@ def _apply_discrete_colorkey(agg, color_key, alpha, name, color_baseline):

def shade(agg, cmap=["lightblue", "darkblue"], color_key=Sets1to3,
how='eq_hist', alpha=255, min_alpha=40, span=None, name=None,
color_baseline=None, rescale_discrete_levels=True):
color_baseline=None, rescale_discrete_levels=False):
"""Convert a DataArray to an image by choosing an RGBA pixel color for each value.

Requires a DataArray with a single data dimension, here called the
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