Merge pull request #27810 from mantidproject/27793_instrument_incorrect_flip

Correct instrument view default axis

docs/source/release/v4.3.0/ui.rst

@@ -28,4 +28,9 @@ See :doc:`mantidworkbench`.
 SliceViewer and Vates Simple Interface
 --------------------------------------
 
-:ref:`Release 4.3.0 <v4.3.0>`
+:ref:`Release 4.3.0 <v4.3.0>`
\ No newline at end of file
+
+Bugs
+----
+
+- Fixed a bug on the instrument viewer where changing projection and back to Full 3D would display from the wrong point of view.
\ No newline at end of file

qt/widgets/instrumentview/src/InstrumentWidgetRenderTab.cpp

@@ -517,6 +517,7 @@ void InstrumentWidgetRenderTab::setScaleType(ColorMap::ScaleType type) {
 }
 
 void InstrumentWidgetRenderTab::setAxis(const QString &axisNameArg) {
+  mAxisCombo->setCurrentIndex(mAxisCombo->findText("Z+"));
   QString axisName = axisNameArg.toUpper();
   int axisInd = mAxisCombo->findText(axisName.toUpper());
   if (axisInd < 0)