image_2d: hide z cursor label by setting to empty string

set_visible(False) didn't work (on Windows, at least).
OxfordIonTrapGroup · May 8, 2024 · 8f5ebb3 · 8f5ebb3
1 parent 2620f67
commit 8f5ebb3
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/ndscan/plots/cursor.py b/ndscan/plots/cursor.py
@@ -68,6 +68,9 @@ def set_value(self, value: float, limits: tuple[float, float]):
         text = "{0:.{n}f}{1}".format(value * self.data_to_display_scale,
                                      self.unit_suffix,
                                      n=precision)
+        self.set_text(text)
+
+    def set_text(self, text):
         for label in self.text_items:
             label.setText(text)
 

diff --git a/ndscan/plots/image_2d.py b/ndscan/plots/image_2d.py
@@ -101,7 +101,7 @@ def update_coords(self, data_coords):
         if (0 <= x_idx < shape[0]) and (0 <= y_idx < shape[1]):
             z = self.image_data[x_idx, y_idx]
         if np.isnan(z):
-            self.set_visible(False)
+            self.set_text("")
         else:
             self.set_value(z, self.z_limits)