diff --git a/lib/matplotlib/colors.py b/lib/matplotlib/colors.py
index f9e4dcbd6250..07f54c4fc02d 100644
--- a/lib/matplotlib/colors.py
+++ b/lib/matplotlib/colors.py
@@ -1362,8 +1362,12 @@ 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 6c812529e104..8f85af8edd31 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