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| author | rsc <devnull@localhost> | 2004-04-21 22:19:33 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2004-04-21 22:19:33 +0000 |
| commit | 28994509cc11ac6a5443054dfae1fedfb69039bc (patch) | |
| tree | 9d5adcd11af2708db0ecc246e008c308ca0f97d4 /src/cmd/map/libmap/azequidist.c | |
| parent | a01e58366c54804f15f84d6e21d13f2e4080977a (diff) | |
| download | plan9port-28994509cc11ac6a5443054dfae1fedfb69039bc.tar.gz plan9port-28994509cc11ac6a5443054dfae1fedfb69039bc.tar.bz2 plan9port-28994509cc11ac6a5443054dfae1fedfb69039bc.zip | |
Why not?
Diffstat (limited to 'src/cmd/map/libmap/azequidist.c')
| -rw-r--r-- | src/cmd/map/libmap/azequidist.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/cmd/map/libmap/azequidist.c b/src/cmd/map/libmap/azequidist.c new file mode 100644 index 00000000..d26d33d4 --- /dev/null +++ b/src/cmd/map/libmap/azequidist.c @@ -0,0 +1,19 @@ +#include <u.h> +#include <libc.h> +#include "map.h" + +int +Xazequidistant(struct place *place, double *x, double *y) +{ + double colat; + colat = PI/2 - place->nlat.l; + *x = -colat * place->wlon.s; + *y = -colat * place->wlon.c; + return(1); +} + +proj +azequidistant(void) +{ + return(Xazequidistant); +} |