19 |
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#define VT_PAR 'l' /* parallel */ |
20 |
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#define VT_ANG 'a' /* angular fisheye */ |
21 |
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#define VT_HEM 'h' /* hemispherical fisheye */ |
22 |
+ |
#define VT_PLS 's' /* planispheric fisheye */ |
23 |
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#define VT_CYL 'c' /* cylindrical panorama */ |
24 |
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|
25 |
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typedef struct { |
27 |
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FVECT vp; /* view origin */ |
28 |
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FVECT vdir; /* view direction */ |
29 |
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FVECT vup; /* view up */ |
30 |
+ |
double vdist; /* view distance */ |
31 |
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double horiz; /* horizontal view size */ |
32 |
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double vert; /* vertical view size */ |
33 |
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double hoff; /* horizontal image offset */ |
45 |
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#define viewaspect(v) sqrt((v)->vn2/(v)->hn2) |
46 |
|
|
47 |
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#define STDVIEW {VT_PER,{0.,0.,0.},{0.,1.,0.},{0.,0.,1.}, \ |
48 |
< |
45.,45.,0.,0.,0.,0., \ |
48 |
> |
1.,45.,45.,0.,0.,0.,0., \ |
49 |
|
{0.,0.,0.},{0.,0.,0.},0.,0.} |
50 |
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|
51 |
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#define VIEWSTR "VIEW=" |
55 |
|
extern char *setview(VIEW *v); |
56 |
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extern void normaspect(double va, double *ap, int *xp, int *yp); |
57 |
|
extern double viewray(FVECT orig, FVECT direc, VIEW *v, double x, double y); |
58 |
< |
extern void viewloc(FVECT ip, VIEW *v, FVECT p); |
58 |
> |
extern int viewloc(FVECT ip, VIEW *v, FVECT p); |
59 |
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extern void pix2loc(RREAL loc[2], RESOLU *rp, int px, int py); |
60 |
|
extern void loc2pix(int pp[2], RESOLU *rp, double lx, double ly); |
61 |
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extern int getviewopt(VIEW *v, int ac, char *av[]); |