[Octave-bug-tracker] [bug #44794] image package: imtransform should use 0 instead of NaN for the default extrapolation value

[H. G.]

Follow-up Comment #2, bug #44794 (project octave):

Daniel wrote (somehow privatly through savannah, I don't know how):
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M = [0 1 0; 0 1 0; 0 1 0];
a=45;
t = maketform('affine',[cosd(a) sind(a) 0; -sind(a) cosd(a) 0;0 0 1]);

With this I got the same result, with image2.4
Can anyone educate me where to start if I want to fix this bug?
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@Carne: Could you give Daniel a hint where to start with this?

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