aboutsummaryrefslogtreecommitdiff
path: root/src/PJ_putp5.c
diff options
context:
space:
mode:
authorFrank Warmerdam <warmerdam@pobox.com>1999-03-18 16:34:52 +0000
committerFrank Warmerdam <warmerdam@pobox.com>1999-03-18 16:34:52 +0000
commit565a4bd035b9d4a83955808efef20f1d8dfa24cf (patch)
tree75785fc897708023f1ccdaf40079afcbaaf0fd3a /src/PJ_putp5.c
downloadPROJ-565a4bd035b9d4a83955808efef20f1d8dfa24cf.tar.gz
PROJ-565a4bd035b9d4a83955808efef20f1d8dfa24cf.zip
New
git-svn-id: http://svn.osgeo.org/metacrs/proj/trunk@776 4e78687f-474d-0410-85f9-8d5e500ac6b2
Diffstat (limited to 'src/PJ_putp5.c')
-rw-r--r--src/PJ_putp5.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/PJ_putp5.c b/src/PJ_putp5.c
new file mode 100644
index 00000000..7e20012a
--- /dev/null
+++ b/src/PJ_putp5.c
@@ -0,0 +1,29 @@
+#ifndef lint
+static const char SCCSID[]="@(#)PJ_putp5.c 4.1 94/02/15 GIE REL";
+#endif
+#define PROJ_PARMS__ \
+ double A, B;
+#define PJ_LIB__
+# include <projects.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) pj_dalloc(P); }
+ static PJ *
+setup(PJ *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))