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This repository was archived by the owner on Aug 29, 2025. It is now read-only.

Commit 9934f51

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range_color, closes #72 
1 parent 385c062 commit 9934f51

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4 files changed

+22
-6
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4 files changed

+22
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‎gallery.md‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,7 @@ jupyter:
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text_representation:
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extension: .md
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format_name: markdown
8-
format_version: '1.1'
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format_version: "1.1"
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jupytext_version: 1.1.1
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kernelspec:
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display_name: Python 3
@@ -223,7 +223,7 @@ px.line_geo(gapminder.query("year==2007"), locations="iso_alpha", color="contine
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```python
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px.choropleth(gapminder, locations="iso_alpha", color="lifeExp", hover_name="country", animation_frame="year",
226-
color_continuous_scale=px.colors.sequential.Plasma)
226+
color_continuous_scale=px.colors.sequential.Plasma, range_color=[20,80])
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```
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## Built-in Color Scales and Sequences (and a way to see them!)

‎plotly_express/_chart_types.py‎

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Original file line numberDiff line numberDiff line change
@@ -26,6 +26,7 @@ def scatter(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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symbol_sequence=None,
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symbol_map={},
@@ -124,6 +125,7 @@ def density_heatmap(
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category_orders={},
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labels={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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marginal_x=None,
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marginal_y=None,
@@ -272,6 +274,7 @@ def bar(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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opacity=None,
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orientation="v",
@@ -527,6 +530,7 @@ def scatter_3d(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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symbol_sequence=None,
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symbol_map={},
@@ -614,6 +618,7 @@ def scatter_ternary(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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symbol_sequence=None,
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symbol_map={},
@@ -684,6 +689,7 @@ def scatter_polar(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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symbol_sequence=None,
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symbol_map={},
@@ -800,6 +806,7 @@ def choropleth(
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category_orders={},
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labels={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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size_max=None,
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projection=None,
@@ -841,6 +848,7 @@ def scatter_geo(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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opacity=None,
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size_max=None,
@@ -922,6 +930,7 @@ def scatter_mapbox(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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opacity=None,
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size_max=None,
@@ -983,6 +992,7 @@ def scatter_matrix(
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color_discrete_sequence=None,
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color_discrete_map={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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symbol_sequence=None,
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symbol_map={},
@@ -1012,6 +1022,7 @@ def parallel_coordinates(
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color=None,
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labels={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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title=None,
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template=None,
@@ -1035,6 +1046,7 @@ def parallel_categories(
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color=None,
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labels={},
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color_continuous_scale=None,
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range_color=None,
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color_continuous_midpoint=None,
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title=None,
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template=None,

‎plotly_express/_core.py‎

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Original file line numberDiff line numberDiff line change
@@ -897,17 +897,17 @@ def make_figure(args, constructor, trace_patch={}, layout_patch={}):
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)
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layout_patch = layout_patch.copy()
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if show_colorbar:
900-
if "color" in args:
901-
colorvar = "color"
902-
elif constructor == go.Histogram2d:
903-
colorvar = "z"
900+
colorvar = "z" if constructor == go.Histogram2d else "color"
901+
range_color = args["range_color"] or [None, None]
904902
d = len(args["color_continuous_scale"]) - 1
905903
layout_patch["coloraxis1"] = dict(
906904
colorscale=[
907905
[(1.0 * i) / (1.0 * d), x]
908906
for i, x in enumerate(args["color_continuous_scale"])
909907
],
910908
cmid=args["color_continuous_midpoint"],
909+
cmin=range_color[0],
910+
cmax=range_color[1],
911911
colorbar=dict(title=get_decorated_label(args, args[colorvar], colorvar)),
912912
)
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for v in ["title", "height", "width", "template"]:

‎plotly_express/_doc.py‎

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@@ -199,6 +199,10 @@
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"(2-element list of numbers)",
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"If provided, overrides auto-scaling on the z-axis in cartesian coordinates.",
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],
202+
range_color=[
203+
"(2-element list of numbers)",
204+
"If provided, overrides auto-scaling on the continuous color scale.",
205+
],
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range_r=[
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"(2-element list of numbers)",
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"If provided, overrides auto-scaling on the radial axis in polar coordinates.",

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