From dc4c5dcb3f22e5d18418034f8bf38ff69e634caa Mon Sep 17 00:00:00 2001
From: Tom MacWright <tom@macwright.org>
Date: Wed, 12 Dec 2012 17:45:20 -0500
Subject: [PATCH] Fix way dragging distortion. Fixes #258

---
 js/id/modes/select.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/js/id/modes/select.js b/js/id/modes/select.js
index 1b42bf4a5..791ae7ec8 100644
--- a/js/id/modes/select.js
+++ b/js/id/modes/select.js
@@ -19,13 +19,14 @@ iD.modes.Select = function (entity) {
                 mode.history.perform(iD.actions.Noop());
             }
 
-            entity.nodes.forEach(function(n) {
-                var node = mode.history.graph().entity(n.id),
+            _.uniq(_.pluck(entity.nodes, 'id'))
+            .forEach(function(id) {
+                var node = mode.history.graph().entity(id),
                     start = mode.map.projection(node.loc),
                     end = mode.map.projection.invert([
-                    start[0] + d3.event.dx,
-                    start[1] + d3.event.dy]);
-                mode.history.replace(iD.actions.Move(node.id, end));
+                        start[0] + d3.event.dx,
+                        start[1] + d3.event.dy]);
+                mode.history.replace(iD.actions.Move(id, end));
             });
         })
         .on('dragend', function () {