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Fix 1-pixel wide black line in generated +Y cube face image #4

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Fix 1-pixel wide black line in generated +Y cube face image #4

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6 changes: 4 additions & 2 deletions src/kubi/kubi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,7 +61,9 @@ def kubi(args):

### TODO replace numpy with vips

ls = np.linspace(-1, 1, size, dtype="f4", endpoint=False)
ls, step = np.linspace(-1, 1, size, dtype="f4", endpoint=False, retstep=True)
view = ls.reshape(1, size)
view += step/2

if args.transform == "eac": # C.Brown (2017): Bringing pixels front and center in VR video
ls = np.tan(ls / (4 / pi))
Expand All @@ -75,7 +77,7 @@ def kubi(args):
x1 = np.arctan2(xv, yv)
y1 = np.arctan(np.hypot(yv,xv))

ls = xv = yv = None
ls = view = xv = yv = None

piot = pi/2

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