root / tags / v2_0_Build_1210 / libraries / libjni-proj4 / src / PJ_mill.c @ 38161
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#ifndef lint
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static const char SCCSID[]="@(#)PJ_mill.c 4.1 94/02/15 GIE REL"; |
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#endif
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#define PJ_LIB__
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# include <projects.h> |
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PROJ_HEAD(mill, "Miller Cylindrical") "\n\tCyl, Sph"; |
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FORWARD(s_forward); /* spheroid */
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xy.x = lp.lam; |
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xy.y = log(tan(FORTPI + lp.phi * .4)) * 1.25; |
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return (xy);
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} |
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INVERSE(s_inverse); /* spheroid */
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lp.lam = xy.x; |
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lp.phi = 2.5 * (atan(exp(.8 * xy.y)) - FORTPI); |
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return (lp);
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} |
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FREEUP; if (P) pj_dalloc(P); }
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ENTRY0(mill) P->es = 0.; P->inv = s_inverse; P->fwd = s_forward; ENDENTRY(P)
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