BUG: Fix bug with default alpha and axes (mne-tools#12187)

withmywoessner · Nov 8, 2023 · 2bc47d0 · 2bc47d0
1 parent 6874483
commit 2bc47d0
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Showing 3 changed files with 3 additions and 4 deletions.
diff --git a/mne/viz/_3d.py b/mne/viz/_3d.py
@@ -984,7 +984,7 @@ def _handle_sensor_types(meg, eeg, fnirs):
         fnirs=dict(channels="fnirs", pairs="fnirs_pairs"),
     )
     sensor_alpha = {
-        key: 0.25 if key == "meg_helmet" else 0.8
+        key: dict(meg_helmet=0.25, meg=0.25).get(key, 0.8)
         for ch_dict in alpha_map.values()
         for key in ch_dict.values()
     }

diff --git a/mne/viz/backends/_pyvista.py b/mne/viz/backends/_pyvista.py
@@ -733,7 +733,7 @@ def quiver3d(
                 mesh=mesh,
                 color=color,
                 opacity=opacity,
-                scalars=mesh_scalars,
+                scalars=mesh_scalars if colormap is not None else None,
                 colormap=colormap,
                 show_scalar_bar=False,
                 backface_culling=backface_culling,

diff --git a/tutorials/forward/20_source_alignment.py b/tutorials/forward/20_source_alignment.py
@@ -66,8 +66,7 @@
 # to their equivalent locations in another. The three main coordinate frames
 # are:
 #
-# * :blue:`"meg"`: the coordinate frame for the physical locations of MEG
-#   sensors
+# * :blue:`"meg"`: the coordinate frame for the physical locations of MEG sensors
 # * :gray:`"mri"`: the coordinate frame for MRI images, and scalp/skull/brain
 #   surfaces derived from the MRI images
 # * :pink:`"head"`: the coordinate frame for digitized sensor locations and