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-rw-r--r--lib/stwcs/wcsutil/mosaic.py6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/stwcs/wcsutil/mosaic.py b/lib/stwcs/wcsutil/mosaic.py
index 0c02265..d84c40b 100644
--- a/lib/stwcs/wcsutil/mosaic.py
+++ b/lib/stwcs/wcsutil/mosaic.py
@@ -69,9 +69,9 @@ def vmosaic(fnames, outwcs=None, ref_wcs=None, ext=None, extname=None, undistort
else:
outwcs = utils.output_wcs(wcsobjects, undistort=undistort)
if plot:
- outc=np.array([[0.,0], [outwcs.naxis1,0],
- [outwcs.naxis1, outwcs.naxis2],
- [0,outwcs.naxis2], [0,0]])
+ outc=np.array([[0.,0], [outwcs._naxis1, 0],
+ [outwcs._naxis1, outwcs._naxis2],
+ [0, outwcs._naxis2], [0, 0]])
plt.plot(outc[:,0], outc[:,1])
for wobj in wcsobjects:
outcorners = outwcs.wcs_sky2pix(wobj.calcFootprint(),1)