diff --git a/lib/matplotlib/colors.py b/lib/matplotlib/colors.py
index ab0d73c4b5fb..9c0725c8888a 100644
--- a/lib/matplotlib/colors.py
+++ b/lib/matplotlib/colors.py
@@ -1372,8 +1372,12 @@ def inverse(self, value):
def autoscale(self, A):
"""Set *vmin*, *vmax* to min, max of *A*."""
- self.vmin = self.vmax = None
- self.autoscale_None(A)
+ with self.callbacks.blocked():
+ # Pause callbacks while we are updating so we only get
+ # a single update signal at the end
+ self.vmin = self.vmax = None
+ self.autoscale_None(A)
+ self._changed()
def autoscale_None(self, A):
"""If vmin or vmax are not set, use the min/max of *A* to set them."""
diff --git a/lib/matplotlib/tests/test_colors.py b/lib/matplotlib/tests/test_colors.py
index a5809f0fa89f..e40796caa7cc 100644
--- a/lib/matplotlib/tests/test_colors.py
+++ b/lib/matplotlib/tests/test_colors.py
@@ -1493,6 +1493,11 @@ def test_norm_callback():
norm.vmax = 5
assert increment.call_count == 2
+ # We only want autoscale() calls to send out one update signal
+ increment.call_count = 0
+ norm.autoscale([0, 1, 2])
+ assert increment.call_count == 1
+
def test_scalarmappable_norm_update():
norm = mcolors.Normalize()
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