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Fix off-by-one error in computing XYZ2RCS transform #25

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Fix off-by-one error in computing XYZ2RCS transform #25

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2 changes: 1 addition & 1 deletion gradunwarp/core/unwarp_resample.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,7 +71,7 @@ def eval_spharm_grid(self, vendor, coeffs):
vec = np.linspace(fovmin, fovmax, numpoints)
gvx, gvy, gvz = np.meshgrid(vec, vec, vec)
# mm
cf = (fovmax - fovmin) / numpoints
cf = (fovmax - fovmin) / (numpoints - 1)

# deduce the transformation from rcs to grid
g_rcs2xyz = np.array( [[0, cf, 0, fovmin],
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