bar chart - reportlab barchart categoryAxis below zero -


how display "categoryaxis" not in 0?

i have negative values in chart "categoryaxis" on 0 position.

for example: have minimum value -4.50 , "categoryaxis" on position.

try set valuemin less 0 valueaxis
example valueaxis.valuemin = -5
categoryaxis category not data

bc = verticalbarchart() ... bc.valueaxis.valuemin = -5 (or set dynamically) bc.valueaxis.valuemax = 50 bc.valueaxis.valuestep = 10

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