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Add support for overriding x tick with non arithmetic progression values #5262

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Add support for overriding x tick with non arithmetic progression values #5262

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674d40e
Add support for overriding x tick with non arithmetic progression values
robertoffmoura Jun 15, 2025
85745d7
Run ruff format
robertoffmoura Aug 12, 2025
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Run ruff format
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@robertoffmoura
robertoffmoura committed Oct 9, 2025
commit 85745d729ec0b70c1316f1e1da53a4229f6f4236
6 changes: 4 additions & 2 deletions plotly/matplotlylib/mpltools.py
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Original file line number Diff line number Diff line change
Expand Up @@ -513,8 +513,10 @@ def prep_ticks(ax, index, ax_type, props):

if formatter == "LogFormatterMathtext":
axis_dict["exponentformat"] = "e"
elif formatter == "FuncFormatter" and props["axes"][index]["tickformat"] is not None:
to_remove = ["dtick" "tickmode"]
elif (
formatter == "FuncFormatter" and props["axes"][index]["tickformat"] is not None
):
to_remove = ["dticktickmode"]
for key in to_remove:
if key in axis_dict:
axis_dict.pop(key)
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2 changes: 2 additions & 0 deletions plotly/matplotlylib/tests/test_renderer.py
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Expand Up @@ -86,6 +86,7 @@ def test_multiple_traces_native_legend():
assert plotly_fig.data[2].mode == "lines+markers"



def test_non_arithmetic_progression_xtickvals():
xticks = [0.01, 0.53, 0.75]
plt.figure()
Expand All @@ -96,6 +97,7 @@ def test_non_arithmetic_progression_xtickvals():

assert plotly_fig.layout.xaxis.tickvals == tuple(xticks)


def test_non_arithmetic_progression_xticktext():
xtickvals = [0.01, 0.53, 0.75]
xticktext = ["Baseline", "param = 1", "param = 2"]
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