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Also export minor grid #73

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Also export minor grid #73

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30242fb
line-width was missing from gridlines.
lucasb-eyer Dec 1, 2025
193a86b
Also export minor grid.
lucasb-eyer Dec 1, 2025
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32 changes: 21 additions & 11 deletions mplexporter/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -212,6 +212,10 @@ def get_axis_properties(axis):
else:
props['tickvalues'] = None

minor_locator = axis.get_minor_locator()
props['minor_tickvalues'] = list(axis.get_minorticklocs()) if minor_locator else None
props['minorticklength'] = axis._minor_tick_kw.get('size', None)

# Find tick formats
props['tickformat_formatter'] = ""
formatter = axis.get_major_formatter()
Expand Down Expand Up @@ -255,26 +259,32 @@ def get_axis_properties(axis):

# Get associated grid
props['grid'] = get_grid_style(axis)
props['minor_grid'] = get_grid_style(axis, which='minor')

# get axis visibility
props['visible'] = axis.get_visible()

return props


def get_grid_style(axis):
gridlines = axis.get_gridlines()
if axis._major_tick_kw['gridOn'] and len(gridlines) > 0:
color = export_color(gridlines[0].get_color())
alpha = gridlines[0].get_alpha()
dasharray = get_dasharray(gridlines[0])
return dict(gridOn=True,
color=color,
dasharray=dasharray,
alpha=alpha)
else:
def get_grid_style(axis, which='major'):
tick_kw = axis._minor_tick_kw if which == 'minor' else axis._major_tick_kw

if not tick_kw.get('gridOn'):
return {"gridOn": False}

rc = matplotlib.rcParams
color = export_color(tick_kw.get('grid_color', tick_kw.get('grid_c', rc['grid.color'])))
alpha = tick_kw.get('grid_alpha', rc['grid.alpha'])
dasharray = _dasharray_from_linestyle(tick_kw.get('grid_linestyle', tick_kw.get('grid_ls', rc['grid.linestyle'])))
linewidth = tick_kw.get('grid_linewidth', tick_kw.get('grid_lw', rc['grid.linewidth']))

return dict(gridOn=True,
color=color,
dasharray=dasharray,
linewidth=linewidth,
alpha=alpha)


def get_figure_properties(fig):
return {'figwidth': fig.get_figwidth(),
Expand Down