Also fix set_limits_percent for negative vmin and logscale

Bultako · Nov 16, 2021 · adb69df · adb69df
1 parent b0a1bc6
commit adb69df
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/ctapipe/visualization/mpl_camera.py b/ctapipe/visualization/mpl_camera.py
@@ -240,6 +240,9 @@ def set_limits_percent(self, percent=95):
         """ auto-scale the color range to percent of maximum """
         zmin = np.nanmin(self.pixels.get_array())
         zmax = np.nanmax(self.pixels.get_array())
+        if isinstance(self.pixels.norm, LogNorm):
+            zmin = zmin if zmin > 0 else 0.1
+
         dz = zmax - zmin
         frac = percent / 100.0
         self.autoscale = False