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Diffstat (limited to 'ast/proj.h')
| -rw-r--r-- | ast/proj.h | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/ast/proj.h b/ast/proj.h new file mode 100644 index 0000000..61e4746 --- /dev/null +++ b/ast/proj.h @@ -0,0 +1,181 @@ +/*============================================================================= +* +* WCSLIB - an implementation of the FITS WCS proposal. +* Copyright (C) 1995-2002, Mark Calabretta +* +* This library is free software; you can redistribute it and/or modify it +* under the terms of the GNU Library General Public License as published +* by the Free Software Foundation; either version 2 of the License, or (at +* your option) any later version. +* +* This library is distributed in the hope that it will be useful, but +* WITHOUT ANY WARRANTY; without even the implied warranty of +* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library +* General Public License for more details. +* +* You should have received a copy of the GNU Library General Public License +* along with this library; if not, write to the Free Software Foundation, +* Inc., 51 Franklin Street,Fifth Floor, Boston, MA 02110-1301, USA +* +* Correspondence concerning WCSLIB may be directed to: +* Internet email: mcalabre@atnf.csiro.au +* Postal address: Dr. Mark Calabretta, +* Australia Telescope National Facility, +* P.O. Box 76, +* Epping, NSW, 2121, +* AUSTRALIA +* +* Author: Mark Calabretta, Australia Telescope National Facility +* $Id$ +*============================================================================= +* +* This version of proj.h is based on the version in wcslib-2.9, but has +* been modified in the following ways by the Starlink project (e-mail: +* ussc@star.rl.ac.uk): +* - Support for non-ANSI C prototypes removed +* - Changed the name of the WCSLIB_PROJ macro to WCSLIB_PROJ_INCLUDED +* - Changed names of all functions and structures to avoid name +* clashes with wcslib. +* - Change the maximum number of projection parameters to 100. +* - Added definition of macro WCSLIB_MXPAR, and use it to define +* size of projection parameter array within AstPrjPrm structure. +* - Added component "p2" to the AstPrjPrm structure to hold projection +* parameters associated with the longitude axis (for use within +* the tpn.c file which holds an implementation of the old "TAN with +* correction terms" projection). +* - Added prototypes for TPN projection functions (defined in file +* tpn.c). +* - Added prototypes for HPX projection functions. +* - Added prototypes for XPH projection functions. +*===========================================================================*/ + +#ifndef WCSLIB_PROJ_INCLUDED +#define WCSLIB_PROJ_INCLUDED + +#ifdef __cplusplus +extern "C" { +#endif + +#define WCSLIB_MXPAR 100 + +extern int npcode; +extern char pcodes[26][4]; + +struct AstPrjPrm { + char code[4]; + int flag; + double phi0, theta0; + double r0; + double *p; + double *p2; + double w[20]; + int n; + int (*astPRJfwd)(const double, const double, + struct AstPrjPrm *, + double *, double *); + int (*astPRJrev)(const double, const double, + struct AstPrjPrm *, + double *, double *); +}; + + int astPRJset(const char [], struct AstPrjPrm *); + int astPRJfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astPRJrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astAZPset(struct AstPrjPrm *); + int astAZPfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astAZPrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astSZPset(struct AstPrjPrm *); + int astSZPfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astSZPrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astTANset(struct AstPrjPrm *); + int astTANfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astTANrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astSTGset(struct AstPrjPrm *); + int astSTGfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astSTGrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astSINset(struct AstPrjPrm *); + int astSINfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astSINrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astARCset(struct AstPrjPrm *); + int astARCfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astARCrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astZPNset(struct AstPrjPrm *); + int astZPNfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astZPNrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astZEAset(struct AstPrjPrm *); + int astZEAfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astZEArev(const double, const double, struct AstPrjPrm *, double *, double *); + int astAIRset(struct AstPrjPrm *); + int astAIRfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astAIRrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCYPset(struct AstPrjPrm *); + int astCYPfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCYPrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCEAset(struct AstPrjPrm *); + int astCEAfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCEArev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCARset(struct AstPrjPrm *); + int astCARfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCARrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astMERset(struct AstPrjPrm *); + int astMERfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astMERrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astSFLset(struct AstPrjPrm *); + int astSFLfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astSFLrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astPARset(struct AstPrjPrm *); + int astPARfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astPARrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astMOLset(struct AstPrjPrm *); + int astMOLfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astMOLrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astAITset(struct AstPrjPrm *); + int astAITfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astAITrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCOPset(struct AstPrjPrm *); + int astCOPfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCOPrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCOEset(struct AstPrjPrm *); + int astCOEfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCOErev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCODset(struct AstPrjPrm *); + int astCODfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCODrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCOOset(struct AstPrjPrm *); + int astCOOfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCOOrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astBONset(struct AstPrjPrm *); + int astBONfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astBONrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astPCOset(struct AstPrjPrm *); + int astPCOfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astPCOrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astTSCset(struct AstPrjPrm *); + int astTSCfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astTSCrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astCSCset(struct AstPrjPrm *); + int astCSCfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astCSCrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astQSCset(struct AstPrjPrm *); + int astQSCfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astQSCrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astHPXset(struct AstPrjPrm *); + int astHPXfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astHPXrev(const double, const double, struct AstPrjPrm *, double *, double *); + int astXPHset(struct AstPrjPrm *); + int astXPHfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astXPHrev(const double, const double, struct AstPrjPrm *, double *, double *); + + int astTPNset(struct AstPrjPrm *); + int astTPNfwd(const double, const double, struct AstPrjPrm *, double *, double *); + int astTPNrev(const double, const double, struct AstPrjPrm *, double *, double *); + +extern const char *astPRJset_errmsg[]; +extern const char *astPRJfwd_errmsg[]; +extern const char *astPRJrev_errmsg[]; + +#ifdef __cplusplus +}; +#endif + +#endif /* WCSLIB_PROJ_INCLUDED */ |