oops, fix cdInverseAtPixel to ConstantFitsWcs

dstndstn · Mar 19, 2018 · 13d3239 · 13d3239
1 parent 58a721d
commit 13d3239
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/tractor/wcs.py b/tractor/wcs.py
@@ -155,7 +155,7 @@ def __init__(self, wcs):
         cd = self.wcs.get_cd()
         self.cd = np.array([[cd[0], cd[1]], [cd[2], cd[3]]])
 
-        self.cd_inverse = np.linalg.inv(cd)
+        self.cd_inverse = np.linalg.inv(self.cd)
         self.pixscale = self.wcs.pixel_scale()
 
     def hashkey(self):