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Diffstat (limited to 'src/3rdparty/proj/PJ_sterea.c')
| -rw-r--r-- | src/3rdparty/proj/PJ_sterea.c | 82 |
1 files changed, 0 insertions, 82 deletions
diff --git a/src/3rdparty/proj/PJ_sterea.c b/src/3rdparty/proj/PJ_sterea.c deleted file mode 100644 index 162acf02..00000000 --- a/src/3rdparty/proj/PJ_sterea.c +++ /dev/null @@ -1,82 +0,0 @@ -/* -** libproj -- library of cartographic projections -** -** Copyright (c) 2003 Gerald I. Evenden -*/ -static const char -LIBPROJ_ID[] = "$Id: PJ_sterea.c 1504 2009-01-06 02:11:57Z warmerdam $"; -/* -** Permission is hereby granted, free of charge, to any person obtaining -** a copy of this software and associated documentation files (the -** "Software"), to deal in the Software without restriction, including -** without limitation the rights to use, copy, modify, merge, publish, -** distribute, sublicense, and/or sell copies of the Software, and to -** permit persons to whom the Software is furnished to do so, subject to -** the following conditions: -** -** The above copyright notice and this permission notice shall be -** included in all copies or substantial portions of the Software. -** -** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ -#define PROJ_PARMS__ \ - double phic0; \ - double cosc0, sinc0; \ - double R2; \ - void *en; - -#define PJ_LIB__ -#include <projects.h> - -PROJ_HEAD(sterea, "Oblique Stereographic Alternative") "\n\tAzimuthal, Sph&Ell"; - -# define DEL_TOL 1.e-14 -# define MAX_ITER 10 - -FORWARD(e_forward); /* ellipsoid */ - double cosphi, sinphi, coslam, k; - - lp = pj_gauss(lp, P->en); - sinphi = sin(lp.phi); - cosphi = cos(lp.phi); - coslam = cos(lp.lam); - k = P->k0 * P->R2 / (1. + P->sinc0 * sinphi + P->cosc0 * cosphi * coslam); - xy.x = k * cosphi * sin(lp.lam); - xy.y = k * (P->cosc0 * sinphi - P->sinc0 * cosphi * coslam); - return (xy); -} -INVERSE(e_inverse); /* ellipsoid */ - double rho, c, sincc, coscc; - - xy.x /= P->k0; - xy.y /= P->k0; - if((rho = hypot(xy.x, xy.y))) { - c = 2. * atan2(rho, P->R2); - sincc = sin(c); - coscc = cos(c); - lp.phi = asin(coscc * P->sinc0 + xy.y * sincc * P->cosc0 / rho); - lp.lam = atan2(xy.x * sincc, rho * P->cosc0 * coscc - - xy.y * P->sinc0 * sincc); - } else { - lp.phi = P->phic0; - lp.lam = 0.; - } - return(pj_inv_gauss(lp, P->en)); -} -FREEUP; if (P) { if (P->en) free(P->en); free(P); } } -ENTRY0(sterea) - double R; - - if (!(P->en = pj_gauss_ini(P->e, P->phi0, &(P->phic0), &R))) E_ERROR_0; - P->sinc0 = sin(P->phic0); - P->cosc0 = cos(P->phic0); - P->R2 = 2. * R; - P->inv = e_inverse; - P->fwd = e_forward; -ENDENTRY(P) |