svn-gvsig-desktop / trunk / libraries / libjni-proj4 / src / PJ_denoy.c @ 7098
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#ifndef lint
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static const char SCCSID[]="@(#)PJ_denoy.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(denoy, "Denoyer Semi-Elliptical") "\n\tPCyl., no inv., Sph."; |
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#define C0 0.95 |
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#define C1 -.08333333333333333333 |
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#define C3 .00166666666666666666 |
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#define D1 0.9 |
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#define D5 0.03 |
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FORWARD(s_forward); /* spheroid */
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xy.y = lp.phi; |
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xy.x = lp.lam; |
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lp.lam = fabs(lp.lam); |
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xy.x *= cos((C0 + lp.lam * (C1 + lp.lam * lp.lam * C3)) * |
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(lp.phi * (D1 + D5 * lp.phi * lp.phi * lp.phi * lp.phi))); |
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return (xy);
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} |
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FREEUP; if (P) pj_dalloc(P); }
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ENTRY0(denoy) P->es = 0.; P->fwd = s_forward; ENDENTRY(P)
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