Use cantilever adjusted extension in polymer fitting.

diff --git a/hooke/plugin/polymer_fit.py b/hooke/plugin/polymer_fit.py
index d5b43db27a2edf7585b1554520330d9eb10fba00..9ed2faae827fbd1444a66dafb1845e61c65615f3 100644 (file)
--- a/hooke/plugin/polymer_fit.py
+++ b/hooke/plugin/polymer_fit.py
@@ -973,7 +973,8 @@ Indicies of points bounding the selected data.
         new.info = copy.deepcopy(data.info)
         new[:,:-1] = data
         new.info['columns'].append('%s tension (N)' % model)  # TODO: WLC fit for each peak, etc.
-        z_data = data[:,data.info['columns'].index('surface distance (m)')]
+        z_data = data[:,data.info['columns'].index(
+                'cantilever adjusted extension (m)')]
         d_data = data[:,data.info['columns'].index('deflection (N)')]
         start,stop = params['bounds']
         tension_data,ps = self.fit_polymer_model(