1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
/*
** libproj -- library of cartographic projections
**
** Copyright (c) 2003, 2006 Gerald I. Evenden
*/
static const char
LIBPROJ_ID[] = "Id";
/*
** 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 A, B;
#define PROJ_LIB__
# include <lib_proj.h>
PROJ_HEAD(putp5, "Putnins P5") "\n\tPCyl., Sph.";
PROJ_HEAD(putp5p, "Putnins P5'") "\n\tPCyl., Sph.";
#define C 1.01346
#define D 1.2158542
FORWARD(s_forward); /* spheroid */
xy.x = C * lp.lam * (P->A - P->B * sqrt(1. + D * lp.phi * lp.phi));
xy.y = C * lp.phi;
return (xy);
}
INVERSE(s_inverse); /* spheroid */
lp.phi = xy.y / C;
lp.lam = xy.x / (C * (P->A - P->B * sqrt(1. + D * lp.phi * lp.phi)));
return (lp);
}
FREEUP; if (P) free(P); }
static PROJ *
setup(PROJ *P) {
P->es = 0.; P->inv = s_inverse; P->fwd = s_forward;
return P;
}
ENTRY0(putp5) P->A = 2.; P->B = 1.; ENDENTRY(setup(P))
ENTRY0(putp5p) P->A = 1.5; P->B = 0.5; ENDENTRY(setup(P))
/*
** Log: proj_putp5.c
** Revision 3.1 2006/01/11 01:38:18 gie
** Initial
**
*/
|
