26 |
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typedef float W3VEC[3]; /* vector type for 3D warp maps */ |
27 |
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28 |
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struct grid3d { |
29 |
– |
W3VEC gmin, gmax; /* grid boundaries */ |
30 |
– |
GNDX gn; /* grid dimensions */ |
31 |
– |
W3VEC gstep; /* grid voxel size */ |
29 |
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unsigned char flags; /* interpolation flags */ |
30 |
+ |
GNDX gn; /* grid dimensions */ |
31 |
+ |
W3VEC gmin, gstep; /* grid corner and voxel size */ |
32 |
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LUTAB gtab; /* grid lookup table */ |
33 |
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}; /* a regular, sparse warping grid */ |
34 |
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35 |
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typedef struct { |
36 |
< |
W3VEC *ip, *op; /* discrete input/output pairs */ |
36 |
> |
W3VEC *ip, *ov; /* discrete input/displ. pairs */ |
37 |
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int npts; /* number of point pairs */ |
38 |
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W3VEC llim, ulim; /* lower and upper input limits */ |
39 |
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double d2min, d2max; /* min. and max. point distance^2 */ |