Section directions from rotated DPGI's

2016-12-27 19:38:47 -05:00
parent 139edb2415
commit 16ce8d40f5
12 changed files with 113 additions and 91 deletions
--- a/src/Mod/TechDraw/App/DrawUtil.cpp
+++ b/src/Mod/TechDraw/App/DrawUtil.cpp
@@ -354,7 +354,17 @@ Base::Vector3d  DrawUtil::closestBasis(Base::Vector3d v)
    Base::Vector3d  stdYr(0.0,-1.0,0.0);
    Base::Vector3d  stdZr(0.0,0.0,-1.0);
    double angleX,angleY,angleZ,angleXr,angleYr,angleZr, angleMin;
-
+    
+    //first check if already a basis
+    if (checkParallel(v,stdZ)) {
+        return v;
+    } else if (checkParallel(v,stdY)) {
+        return v;
+    } else if (checkParallel(v,stdX)) {
+        return v;
+    }
+    
+    //not a basis. find smallest angle with a basis.
    angleX = stdX.GetAngle(v);
    angleY = stdY.GetAngle(v);
    angleZ = stdZ.GetAngle(v);