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| author | Kristian Evers <kristianevers@gmail.com> | 2018-12-26 10:53:01 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-26 10:53:01 +0100 |
| commit | 81ec8c0b58d66333fccd3703dab62a11132a0331 (patch) | |
| tree | 41b4675d169f849516649700ab4f50d4cffa4c02 /src/projections/lask.cpp | |
| parent | 355d681ed88019e97742344bd642c2fd97e700a1 (diff) | |
| parent | 80dad6ef2bed4a83008db06986dc168918d48476 (diff) | |
| download | PROJ-81ec8c0b58d66333fccd3703dab62a11132a0331.tar.gz PROJ-81ec8c0b58d66333fccd3703dab62a11132a0331.zip | |
Merge pull request #1203 from rouault/cpp_conversion
Conversion of most C files to C++
Diffstat (limited to 'src/projections/lask.cpp')
| -rw-r--r-- | src/projections/lask.cpp | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/projections/lask.cpp b/src/projections/lask.cpp new file mode 100644 index 00000000..46f23edb --- /dev/null +++ b/src/projections/lask.cpp @@ -0,0 +1,39 @@ +#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 + + +static XY s_forward (LP lp, PJ *P) { /* Spheroidal, forward */ + XY xy = {0.0,0.0}; + double l2, p2; + (void) P; + + 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; +} + + +PJ *PROJECTION(lask) { + + P->fwd = s_forward; + P->es = 0.; + + return P; +} + |
