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Annotation of researchv8dc/cmd/map/libmap/bonne.c, revision 1.1

1.1     ! root        1: #include "map.h"
        !             2: 
        !             3: struct coord stdpar;
        !             4: float r0;
        !             5: 
        !             6: Xbonne(place, x, y)
        !             7: struct place *place;
        !             8: float *x, *y;
        !             9: {
        !            10:        double r, alpha;
        !            11:        r = r0 - place->nlat.l;
        !            12:        alpha = place->wlon.l * place->nlat.c / r;
        !            13:        *x = - r*sin(alpha);
        !            14:        *y = - r*cos(alpha);
        !            15:        return(1);
        !            16: }
        !            17: 
        !            18: int (*bonne(par))()
        !            19: float par;
        !            20: {
        !            21:        extern Xsinusoidal();
        !            22:        if(fabs(par*RAD) < .01)
        !            23:                return(Xsinusoidal);
        !            24:        deg2rad(par, &stdpar);
        !            25:        r0 = stdpar.c/stdpar.s + stdpar.l;
        !            26:        return(Xbonne);
        !            27: }

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