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-rw-r--r--fg21sim/utils/transform.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/fg21sim/utils/transform.py b/fg21sim/utils/transform.py
index 3fc64ca..c897f70 100644
--- a/fg21sim/utils/transform.py
+++ b/fg21sim/utils/transform.py
@@ -171,7 +171,10 @@ def circle2ellipse(imgcirc, bfraction, rotation=0.0):
# Shrink the circle to be elliptical
nrow2 = nrow * bfraction
nrow2 = int(nrow2 / 2) * 2 + 1 # be odd
- img2 = ndimage.zoom(imgcirc, zoom=(nrow2/nrow, 1.0), order=1)
+ # NOTE: zoom() calculate the output shape with round() instead of int();
+ # fix the warning about they may be different.
+ zoom = ((nrow2+0.1)/nrow, 1)
+ img2 = ndimage.zoom(imgcirc, zoom=zoom, order=1)
# Pad the shrunk image to have the same size as input
imgout = np.zeros(shape=(nrow, ncol))
r1 = int((nrow - nrow2) / 2)