diff --git a/lib/matplotlib/projections/polar.py b/lib/matplotlib/projections/polar.py
index abbfd784b5f7..5f3832a21a89 100644
--- a/lib/matplotlib/projections/polar.py
+++ b/lib/matplotlib/projections/polar.py
@@ -422,14 +422,25 @@ def __call__(self):
return [tick for tick in self.base() if tick > rorigin]
return self.base()
+ def _zero_in_bounds(self):
+ """
+ Return True if zero is within the valid values for the
+ scale of the radial axis.
+ """
+ vmin, vmax = self._axes.yaxis._scale.limit_range_for_scale(0, 1, 1e-5)
+ return vmin == 0
+
def nonsingular(self, vmin, vmax):
# docstring inherited
- return ((0, 1) if (vmin, vmax) == (-np.inf, np.inf) # Init. limits.
- else self.base.nonsingular(vmin, vmax))
+ if self._zero_in_bounds() and (vmin, vmax) == (-np.inf, np.inf):
+ # Initial view limits
+ return (0, 1)
+ else:
+ return self.base.nonsingular(vmin, vmax)
def view_limits(self, vmin, vmax):
vmin, vmax = self.base.view_limits(vmin, vmax)
- if vmax > vmin:
+ if self._zero_in_bounds() and vmax > vmin:
# this allows inverted r/y-lims
vmin = min(0, vmin)
return mtransforms.nonsingular(vmin, vmax)
diff --git a/lib/matplotlib/tests/test_polar.py b/lib/matplotlib/tests/test_polar.py
index c51508ae227a..1bde5bcc1142 100644
--- a/lib/matplotlib/tests/test_polar.py
+++ b/lib/matplotlib/tests/test_polar.py
@@ -291,6 +291,13 @@ def test_polar_no_data():
assert ax.get_rmin() == 0 and ax.get_rmax() == 1
+def test_polar_default_log_lims():
+ plt.subplot(projection='polar')
+ ax = plt.gca()
+ ax.set_rscale('log')
+ assert ax.get_rmin() > 0
+
+
def test_polar_not_datalim_adjustable():
ax = plt.figure().add_subplot(projection="polar")
with pytest.raises(ValueError):
pFad - Phonifier reborn
Pfad - The Proxy pFad of © 2024 Garber Painting. All rights reserved.
Note: This service is not intended for secure transactions such as banking, social media, email, or purchasing. Use at your own risk. We assume no liability whatsoever for broken pages.
Alternative Proxies:
Alternative Proxy
pFad Proxy
pFad v3 Proxy
pFad v4 Proxy