From fae5b4f7f71f3af203b20b3d46392fb1804abb66 Mon Sep 17 00:00:00 2001
From: mwganson <mwganson@gmail.com>
Date: Tue, 2 Oct 2018 04:02:43 -0500
Subject: [PATCH] Placement dialog - more consistent axis direction based on
 order of selection

---
 src/Gui/Placement.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Gui/Placement.cpp b/src/Gui/Placement.cpp
index 2c3fe8ba77..d780ce6d95 100644
--- a/src/Gui/Placement.cpp
+++ b/src/Gui/Placement.cpp
@@ -342,7 +342,12 @@ void Placement::on_selectedVertex_clicked()
         Base::Vector3d tmp;
         double angle;
         rot.getRawValue(tmp, angle);
-        Base::Vector3d axis(picked[1].x-picked[0].x,picked[1].y-picked[0].y,picked[1].z-picked[0].z);
+        Base::Vector3d axis;
+        if (firstSelected==picked[0]){
+            axis = Base::Vector3d(picked[1]-picked[0]);
+        } else {
+            axis = Base::Vector3d(picked[0]-picked[1]);
+        }
         double length = axis.Length();
         Base::Console().Message("Distance: %.8f\n",length);
         axis.Normalize();