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Annotation of researchv10no/cmd/map/libmap/laue.c, revision 1.1.1.1

1.1       root        1: #include "map.h"
                      2: 
                      3: 
                      4: static int
                      5: Xlaue(struct place *place, double *x, double *y)
                      6: {
                      7:        double r;
                      8:        if(place->nlat.l<PI/4+FUZZ)
                      9:                return(-1);
                     10:        r = tan(PI-2*place->nlat.l);
                     11:        if(r>3)
                     12:                return(-1);
                     13:        *x = - r * place->wlon.s;
                     14:        *y = - r * place->wlon.c;
                     15:        return(1);
                     16: }
                     17: 
                     18: proj
                     19: laue(void)
                     20: {
                     21:        return(Xlaue);
                     22: }

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