Merge pull request matplotlib#20729 from svank/hexbin-log-vminvmax

Support vmin/vmax with bins='log' in hexbin

Author: QuLogic

lib/matplotlib/axes/_axes.py

@@ -4799,7 +4799,8 @@ def reduce_C_function(C: array) -> float
                 _api.warn_external("Only one of 'bins' and 'norm' arguments "
                                    f"can be supplied, ignoring bins={bins}")
             else:
-                norm = mcolors.LogNorm()
+                norm = mcolors.LogNorm(vmin=vmin, vmax=vmax)
+                vmin = vmax = None
             bins = None
 
         if isinstance(norm, mcolors.LogNorm):

lib/matplotlib/tests/test_axes.py

@@ -785,6 +785,13 @@ def test_hexbin_log():
     plt.colorbar(h)
 
 
+def test_hexbin_log_clim():
+    x, y = np.arange(200).reshape((2, 100))
+    fig, ax = plt.subplots()
+    h = ax.hexbin(x, y, bins='log', vmin=2, vmax=100)
+    assert h.get_clim() == (2, 100)
+
+
 def test_inverted_limits():
     # Test gh:1553
     # Calling invert_xaxis prior to plotting should not disable autoscaling