10BC0 Merge pull request #20071 from anntzer/aaa · matplotlib/matplotlib@826e685 · GitHub
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Merge pull request #20071 from anntzer/aaa
Document, test, and simplify impl. of auto_adjustable_area.
2 parents 9ab5aad + eb12b02 commit 826e685

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‎doc/api/next_api_changes/deprecations/20071-AL.rst

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``axes_size`` internal helpers
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The following APIs are deprecated: ``axes_size.Padded`` (use ``size + pad``
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instead), ``axes_size.SizeFromFunc``, ``axes_size.GetExtentHelper``.

‎examples/axes_grid1/make_room_for_ylabel_using_axesgrid.py

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@@ -1,8 +1,7 @@
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"""
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===================================
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Make Room For Ylabel Using Axesgrid
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===================================
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====================================
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Make room for ylabel using axes_grid
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====================================
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"""
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import matplotlib.pyplot as plt
@@ -20,7 +19,6 @@
2019

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###############################################################################
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fig = plt.figure()
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ax1 = fig.add_axes([0, 0, 1, 0.5])
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ax2 = fig.add_axes([0, 0.5, 1, 0.5])
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###############################################################################
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fig = plt.figure()
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ax1 = fig.add_axes([0, 0, 1, 1])
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divider = make_axes_locatable(ax1)

‎lib/mpl_toolkits/axes_grid1/axes_divider.py

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@@ -265,14 +265,23 @@ def append_size(self, position, size):
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position=position)
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def add_auto_adjustable_area(s D100 elf, use_axes, pad=0.1, adjust_dirs=None):
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"""
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Add auto-adjustable padding around *use_axes* to take their decorations
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(title, labels, ticks, ticklabels) into account during layout.
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Parameters
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----------
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use_axes : `~.axes.Axes` or list of `~.axes.Axes`
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The Axes whose decorations are taken into account.
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pad : float, optional
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Additional padding in inches.
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adjust_dirs : list of {"left", "right", "bottom", "top"}, optional
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The sides where padding is added; defaults to all four sides.
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"""
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if adjust_dirs is None:
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adjust_dirs = ["left", "right", "bottom", "top"]
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from .axes_size import Padded, SizeFromFunc, GetExtentHelper
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for d in adjust_dirs:
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helper = GetExtentHelper(use_axes, d)
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size = SizeFromFunc(helper)
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padded_size = Padded(size, pad) # pad in inch
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self.append_size(d, padded_size)
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self.append_size(d, Size._AxesDecorationsSize(use_axes, d) + pad)
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class AxesLocator:
@@ -693,15 +702,20 @@ def make_axes_locatable(axes):
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return divider
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def make_axes_area_auto_adjustable(ax,
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use_axes=None, pad=0.1,
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adjust_dirs=None):
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def make_axes_area_auto_adjustable(
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ax, use_axes=None, pad=0.1, adjust_dirs=None):
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"""
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Add auto-adjustable padding around *ax* to take its decorations (title,
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labels, ticks, ticklabels) into account during layout, using
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`Divider.add_auto_adjustable_area`.
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By default, padding is determined from the decorations of *ax*.
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Pass *use_axes* to consider the decorations of other Axes instead.
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"""
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if adjust_dirs is None:
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adjust_dirs = ["left", "right", "bottom", "top"]
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divider = make_axes_locatable(ax)
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if use_axes is None:
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use_axes = ax
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divider.add_auto_adjustable_area(use_axes=use_axes, pad=pad,
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adjust_dirs=adjust_dirs)

‎lib/mpl_toolkits/axes_grid1/axes_size.py

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@@ -204,6 +204,7 @@ def get_size(self, renderer):
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return rel_size, abs_size
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@_api.deprecated("3.6", alternative="size + pad")
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class Padded(_Base):
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"""
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Return a instance where the absolute part of *size* is
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raise ValueError("Unknown format")
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@_api.deprecated("3.6")
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class SizeFromFunc(_Base):
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def __init__(self, func):
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self._func = func
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return rel_size, abs_size
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@_api.deprecated("3.6")
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class GetExtentHelper:
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_get_func_map = {
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"left": lambda self, axes_bbox: axes_bbox.xmin - self.xmin,
@@ -271,3 +274,31 @@ def __call__(self, renderer):
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ax.bbox)
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for ax in self._ax_list]
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return max(vl)
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class _AxesDecorationsSize(_Base):
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"""
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Fixed size, corresponding to the size of decorations on a given Axes side.
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"""
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_get_size_map = {
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"left": lambda tight_bb, axes_bb: axes_bb.xmin - tight_bb.xmin,
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"right": lambda tight_bb, axes_bb: tight_bb.xmax - axes_bb.xmax,
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"bottom": lambda tight_bb, axes_bb: axes_bb.ymin - tight_bb.ymin,
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"top": lambda tight_bb, axes_bb: tight_bb.ymax - axes_bb.ymax,
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}
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def __init__(self, ax, direction):
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self._get_size = _api.check_getitem(
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self._get_size_map, direction=direction)
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self._ax_list = [ax] if isinstance(ax, Axes) else ax
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def get_size(self, renderer):
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sz = max([
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self._get_size(ax.get_tightbbox(renderer, call_axes_locator=False),
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ax.bbox)
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for ax in self._ax_list])
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dpi = renderer.points_to_pixels(72)
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abs_size = sz / dpi
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rel_size = 0
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return rel_size, abs_size

‎lib/mpl_toolkits/tests/test_axes_grid1.py

Lines changed: 15 additions & 1 deletion
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@@ -16,7 +16,8 @@
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Grid, AxesGrid, ImageGrid)
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from mpl_toolkits.axes_grid1.anchored_artists import (
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AnchoredSizeBar, AnchoredDirectionArrows)
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from mpl_toolkits.axes_grid1.axes_divider import HBoxDivider
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from mpl_toolkits.axes_grid1.axes_divider import (
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HBoxDivider, make_axes_area_auto_adjustable)
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from mpl_toolkits.axes_grid1.inset_locator import (
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zoomed_inset_axes, mark_inset, inset_axes, BboxConnectorPatch)
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import mpl_toolkits.axes_grid1.mpl_axes
@@ -510,3 +511,16 @@ def test_mark_inset_unstales_viewlim(fig_test, fig_ref):
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mark_inset(full, inset, 1, 4)
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# Manually unstale the full's 8701 viewLim.
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fig_ref.canvas.draw()
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def test_auto_adjustable():
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fig = plt.figure()
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ax = fig.add_axes([0, 0, 1, 1])
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pad = 0.1
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make_axes_area_auto_adjustable(ax, pad=pad)
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fig.canvas.draw()
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tbb = ax.get_tightbbox(fig._cachedRenderer)
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assert tbb.x0 == pytest.approx(pad * fig.dpi)
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assert tbb.x1 == pytest.approx(fig.bbox.width - pad * fig.dpi)
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assert tbb.y0 == pytest.approx(pad * fig.dpi)
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assert tbb.y1 == pytest.approx(fig.bbox.height - pad * fig.dpi)

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