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Improve bigwig plot by keep value on the whole interval instead of connect interval middle points. #122

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Merged
Nanguage merged 1 commit into from
Sep 4, 2026
Merged

Improve bigwig plot by keep value on the whole interval instead of connect interval middle points. #122

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10 changes: 7 additions & 3 deletions coolbox/core/track/hist/bigwig.py
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Original file line number Diff line number Diff line change
Expand Up @@ -40,9 +40,13 @@ def __init__(self, file, **kwargs):

def fetch_plot_data(self, gr: GenomeRange, **kwargs):
intervals = self.fetch_data(gr, **kwargs)
starts = intervals['start'].values
ends = intervals['end'].values
positions = (starts + ends) / 2 # use interval midpoints as real genomic coordinates
intervals = intervals.melt(
id_vars="value",
value_vars=["start", "end"],
var_name="se",
value_name="position"
).sort_values(by=["index", "se"])
positions = intervals["position"].values
values = intervals['value'].values
return positions, values

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