From e97d8dda1b9cff322bd63a32b044aa4ffaa04681 Mon Sep 17 00:00:00 2001
From: Chris Milne <cjmilne@gmail.com>
Date: Tue, 6 Mar 2018 01:32:00 +0100
Subject: [PATCH] dcm edits

---
 xoptics/dcm.py | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/xoptics/dcm.py b/xoptics/dcm.py
index a90ae6a..06728cd 100755
--- a/xoptics/dcm.py
+++ b/xoptics/dcm.py
@@ -33,3 +33,18 @@ class Double_Crystal_Mono:
      inmotion = int(self.moving.get())
      return inmotion   
     
+    # spec-inspired convenience methods
+    def mv(self,value):
+        self._currentChange = self.changeTo(value)
+    def wm(self,*args,**kwargs):
+        return self.get_current_value(*args,**kwargs)
+    def mvr(self,value,*args,**kwargs):
+
+        if(self.get_moveDone == 1):
+            startvalue = self.get_current_value(readback=True,*args,**kwargs)
+        else:
+            startvalue = self.get_current_value(readback=False,*args,**kwargs)
+        self._currentChange = self.changeTo(value+startvalue,*args,**kwargs)
+    def wait(self):
+        self._currentChange.wait()
+        
\ No newline at end of file