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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_lask.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_lask.c')
-rw-r--r--src/PJ_lask.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/src/PJ_lask.c b/src/PJ_lask.c
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--- /dev/null
+++ b/src/PJ_lask.c
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+#ifndef lint
+static const char SCCSID[]="@(#)PJ_lask.c 4.1 94/02/15 GIE REL";
+#endif
+#define PROJ_PARMS__
+#define PJ_LIB__
+#include <projects.h>
+PROJ_HEAD(lask, "Laskowski") "\n\tMisc Sph, no inv.";
+#define a10 0.975534
+#define a12 -0.119161
+#define a32 -0.0143059
+#define a14 -0.0547009
+#define b01 1.00384
+#define b21 0.0802894
+#define b03 0.0998909
+#define b41 0.000199025
+#define b23 -0.0285500
+#define b05 -0.0491032
+FORWARD(s_forward); /* sphere */
+ double l2, p2;
+
+ l2 = lp.lam * lp.lam;
+ p2 = lp.phi * lp.phi;
+ xy.x = lp.lam * (a10 + p2 * (a12 + l2 * a32 + p2 * a14));
+ xy.y = lp.phi * (b01 + l2 * (b21 + p2 * b23 + l2 * b41) +
+ p2 * (b03 + p2 * b05));
+ return (xy);
+}
+FREEUP; if (P) pj_dalloc(P); }
+ENTRY0(lask) P->fwd = s_forward; P->inv = 0; P->es = 0.; ENDENTRY(P)