Measure: ix angle measurement for face and edge selection

Signed-off-by: Yash Suthar <[email protected]>
(cherry picked from commit 2d3b0a2ded)

src/Mod/Measure/Gui/ViewProviderMeasureAngle.cpp

@@ -221,7 +221,7 @@ SbMatrix ViewProviderMeasureAngle::getMatrix()
         gp_Vec extrema2Vector(extremaPoint2.XYZ());
         radius = (loc1 - originVector).Magnitude();
         double legOne = (extrema2Vector - originVector).Magnitude();
-        if (legOne > Precision::Confusion()) {
+        if (legOne > Precision::Confusion() && legOne < radius) {
             double legTwo = sqrt(pow(radius, 2) - pow(legOne, 2));
             gp_Vec projectionVector(vector2);
             projectionVector.Normalize();
@@ -232,6 +232,9 @@ SbMatrix ViewProviderMeasureAngle::getMatrix()
             gp_Vec otherSide(loc1 - originVector);
             otherSide.Normalize();
         }
+        else {
+            thirdPoint = originVector + vector2.Normalized() * radius;
+        }
 
         gp_Vec xAxis = (loc1 - originVector).Normalized();
         gp_Vec fakeYAxis = (thirdPoint - originVector).Normalized();