Remove blank column in wtk driver retraction curves.

The old implentation reserved space for the z piezo input column, but
never filled it in or added the relevant entry to info['columns'].
This caused some column indexing confusion in vclamp.scale().

diff --git a/hooke/driver/wtk.py b/hooke/driver/wtk.py
index c7387ffe1fdcc55388b986718b50074f373ca84e..46bf92e5c57a0a73cd674e71c4e6340a73ece08e 100644 (file)
--- a/hooke/driver/wtk.py
+++ b/hooke/driver/wtk.py
@@ -156,7 +156,7 @@ class WTKDriver (Driver):
         array in SI units.
         """
         ret = curve.Data(
-            shape=data.shape,
+            shape=(data.shape[0], 2),
             dtype=numpy.float,
             info=copy.deepcopy(info)
             )