34758 fixed issue on ranges in SliceViewer's non orthogonal view

dev-docs/source/Testing/SliceViewer/SliceViewer.rst

@@ -157,11 +157,19 @@ Test the :ref:`Nonorthogonal view<mantid:sliceviewer_nonortho>`
 
     - Confirm the autoscaling of the colorbar works in non-orthogonal view
 
-3. Change one of the viewing axes to be `L` (e.g. click `X` button next to L in top left of window)
+3. Note the range of data in `X` and `Y` axes to be `0 to 2` for `H` and `-1 to +1` for `K` respectively. Swap the viewing axes by clicking `Y` button next to `H` in the top left of the window
+
+    - `X` and `Y` axes should now display data for `K` and `H` respectively preserving their original ranges.
+
+4. Click on `X` button next to the `H` button to swap the axes again
+
+    - Now `X` and `Y` axes should display data for `H` and `K` respectively preserving their original ranges.
+
+5. Change one of the viewing axes to be `L` (e.g. click `X` button next to L in top left of window)
 
     - Gridlines should now appear to be orthogonal
 
-4. For ``md_4D`` only change one of the viewing axes to be `E` (e.g. click `Y` button next to `E` in top left of window)
+6. For ``md_4D`` only change one of the viewing axes to be `E` (e.g. click `Y` button next to `E` in top left of window)
 
     - Nonorthogonal view should be disabled (only enabled for momentum axes)
     - Line plots and ROI should be enabled

docs/source/release/v6.12.0/Workbench/SliceViewer/Bugfixes/34758.rst

@@ -0,0 +1 @@
+- Fixed a bug in the :ref:sliceviewer which was not showing data with correct ranges when doing a Transpose in non-orthogonal view.

qt/python/mantidqt/mantidqt/widgets/sliceviewer/presenters/presenter.py

@@ -225,6 +225,8 @@ def dimensions_changed(self):
         else:
             self.new_plot()
         self._call_cutviewer_presenter_if_created("on_dimension_changed")
+        if self.view.data_view.nonorthogonal_mode:
+            self.show_all_data_clicked()
 
     def slicepoint_changed(self):
         """Indicates the slicepoint has been updated"""

qt/python/mantidqt/mantidqt/widgets/sliceviewer/test/test_sliceviewer_presenter.py

@@ -370,23 +370,27 @@ def test_dimensions_changed_when_transpose_2D_MD_workspace(self, mock_sliceinfo_
         self.model.get_number_dimensions.return_value = 2
         mock_sliceinfo_cls.slicepoint = [None, None]  # no slicepoint as 2D ws
         data_view_mock.dimensions.get_previous_states.return_value = [0, 1]  # no None that indicates integrated dim
+        presenter.show_all_data_clicked = mock.MagicMock()
 
         presenter.dimensions_changed()
 
         mock_new_plot.assert_called_with(dimensions_transposing=True)
+        presenter.show_all_data_clicked.assert_not_called()
 
     @mock.patch("mantidqt.widgets.sliceviewer.presenters.presenter.SliceInfo")
     def test_changing_dimensions_in_nonortho_mode_switches_to_ortho_when_dim_not_Q(self, mock_sliceinfo_cls):
         presenter, data_view_mock = _create_presenter(
             self.model, self.view, mock_sliceinfo_cls, enable_nonortho_axes=True, supports_nonortho=False
         )
         self.model.get_number_dimensions.return_value = 2
+        presenter.show_all_data_clicked = mock.MagicMock()
 
         presenter.dimensions_changed()
 
         data_view_mock.disable_tool_button.assert_called_once_with(ToolItemText.NONORTHOGONAL_AXES)
         data_view_mock.create_axes_orthogonal.assert_called_once()
         data_view_mock.create_axes_nonorthogonal.assert_not_called()
+        presenter.show_all_data_clicked.assert_called_once()
 
     @mock.patch("mantidqt.widgets.sliceviewer.presenters.presenter.SliceInfo")
     def test_changing_dimensions_in_nonortho_mode_keeps_nonortho_when_dim_is_Q(self, mock_sliceinfo_cls):