From da3ca531d2693bde6e25b2fcb97d3378272cac6f Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Tue, 4 Aug 2009 15:20:18 -0400
Subject: [PATCH] Added more label positioning arguments to Distance.draw().

---
 asymptote/Mechanics.asy | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/asymptote/Mechanics.asy b/asymptote/Mechanics.asy
index 907eac7..3eeb86a 100644
--- a/asymptote/Mechanics.asy
+++ b/asymptote/Mechanics.asy
@@ -132,12 +132,16 @@ struct Distance {
     this.L = L;
   }
   
-  void draw(picture pic=currentpicture, bool rotateLabel=true) {
+  void draw(picture pic=currentpicture, bool rotateLabel=true,
+	    real labelangle=90, real labeloffset=-1) {
     picture picF;
-    picture picL;
-    label(picL, L);
-    pair pLabelSize = 1.2 * (max(picL)-min(picL));
     pair pDiff = pTo - pFrom;
+    if (labeloffset == -1) {
+      picture picL;
+      label(picL, L);
+      pair pLabelSize = 1.2 * (max(picL)-min(picL));
+      labeloffset = pLabelSize.y/2;
+    }
     path p = (0,0)--pDiff;
     pair label_rotate=pDiff;
     if (rotateLabel == false)
@@ -146,7 +150,7 @@ struct Distance {
     label(pic = picF,
 	  L = rotate(degrees(label_rotate)) * L,
 	  position =  pDiff/2
-	    + unit(rotate(90)*pDiff) * pLabelSize.y / 2);
+	    + unit(rotate(labelangle)*pDiff) * labeloffset);
     //label(pic=picF, L = rotate(degrees(label_rotate)) format("%g", pDiff/scale), position = TODO);
     add(pic, picF, pFrom+offset*unit(rotate(-90)*pDiff));
   }
-- 
2.26.2