root / org.gvsig.jcrs / libjni-proj4 / src / PJ_putp5.c @ 36
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#ifndef lint
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static const char SCCSID[]="@(#)PJ_putp5.c 4.1 94/02/15 GIE REL"; |
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#endif
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#define PROJ_PARMS__ \
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double A, B;
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#define PJ_LIB__
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# include <projects.h> |
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PROJ_HEAD(putp5, "Putnins P5") "\n\tPCyl., Sph."; |
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PROJ_HEAD(putp5p, "Putnins P5'") "\n\tPCyl., Sph."; |
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#define C 1.01346 |
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#define D 1.2158542 |
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FORWARD(s_forward); /* spheroid */
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xy.x = C * lp.lam * (P->A - P->B * sqrt(1. + D * lp.phi * lp.phi));
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xy.y = C * lp.phi; |
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return (xy);
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} |
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INVERSE(s_inverse); /* spheroid */
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lp.phi = xy.y / C; |
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lp.lam = xy.x / (C * (P->A - P->B * sqrt(1. + D * lp.phi * lp.phi)));
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return (lp);
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} |
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FREEUP; if (P) pj_dalloc(P); }
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static PJ *
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setup(PJ *P) { |
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P->es = 0.; P->inv = s_inverse; P->fwd = s_forward;
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return P;
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} |
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ENTRY0(putp5) P->A = 2.; P->B = 1.; ENDENTRY(setup(P)) |
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ENTRY0(putp5p) P->A = 1.5; P->B = 0.5; ENDENTRY(setup(P)) |