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Fix invalid 'minor xticklabels' PGFPlots key #56

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Merged
ErwindeGelder merged 1 commit into from
Mar 23, 2026
Merged

Fix invalid 'minor xticklabels' PGFPlots key #56

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9 changes: 6 additions & 3 deletions src/matplot2tikz/_axes.py
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Original file line number Diff line number Diff line change
Expand Up @@ -570,11 +570,14 @@ def _get_ticks(data: TikzData, xy: str, ticks: list | np.ndarray, ticklabels: li
Returns the necessary axis options for the given configuration.
"""
axis_options = []
is_minor = "minor" in xy
is_label_required = _is_label_required(ticks, ticklabels)
pgfplots_ticklabels = _get_pgfplots_ticklabels(ticklabels)

# PGFPlots does not support custom labels for minor ticks (e.g., "minor xticklabels"
# is not a valid key), so skip ticklabels for minor ticks.
# if the labels are all missing, then we need to output an empty set of labels
if len(ticklabels) == 0 and len(ticks) != 0:
if not is_minor and len(ticklabels) == 0 and len(ticks) != 0:
axis_options.append(f"{xy}ticklabels={{}}")
# remove the multiplier too
axis_options.append(f"scaled {xy} ticks=" + r"manual:{}{\pgfmathparse{#1}}")
Expand All @@ -588,10 +591,10 @@ def _get_ticks(data: TikzData, xy: str, ticks: list | np.ndarray, ticklabels: li
"{}tick={{{}}}".format(xy, ",".join([f"{el:{ff}}" for el in ticks]))
)
else:
val = "{}" if "minor" in xy else "\\empty"
val = "{}" if is_minor else "\\empty"
axis_options.append(f"{xy}tick={val}")

if is_label_required:
if is_label_required and not is_minor:
length = sum(len(label) for label in pgfplots_ticklabels)
max_line_length = 75
sep = ("", ",", "") if length < max_line_length else ("\n ", ",\n ", "\n")
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