diff options
| author | Mattias Andrée <m@maandree.se> | 2024-10-20 20:41:56 +0200 |
|---|---|---|
| committer | Mattias Andrée <m@maandree.se> | 2024-10-20 20:41:56 +0200 |
| commit | d66bf4fe6ff287dceb9b0083244c245288f9865b (patch) | |
| tree | 7840c18e30bd32533c4fd4ca6dfd72e28103ede0 /libtellurian_coarse_distance.3 | |
| parent | Fourth commit (diff) | |
| download | libtellurian-d66bf4fe6ff287dceb9b0083244c245288f9865b.tar.gz libtellurian-d66bf4fe6ff287dceb9b0083244c245288f9865b.tar.bz2 libtellurian-d66bf4fe6ff287dceb9b0083244c245288f9865b.tar.xz | |
Signed-off-by: Mattias Andrée <m@maandree.se>
Diffstat (limited to '')
| -rw-r--r-- | libtellurian_coarse_distance.3 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libtellurian_coarse_distance.3 b/libtellurian_coarse_distance.3 index 9a3973b..a490ba7 100644 --- a/libtellurian_coarse_distance.3 +++ b/libtellurian_coarse_distance.3 @@ -11,6 +11,8 @@ double libtellurian_coarse_distance(double \fIlatitude1\fP, double \fIlongitude1 double libtellurian_coarse_distance_radians(double \fIlatitude1\fP, double \fIlongitude1\fP, double \fIlatitude2\fP, double \fIlongitude2\fP); + +extern const double libtellurian_coarse_distance_radius; .fi .PP Link with @@ -42,6 +44,17 @@ function except that and .I longitude2 shall be specified in radians. +.PP +The constant variable +.B libtellurian_coarse_distance_radius +is set to the radius used in the model of the +Earth that these functions use. If you want a +better local approximation of distances, you +can multiple the return values by the local radius +(you can use the +.BR libtellurian_sea_level (3) +function) divided by +.BR libtellurian_coarse_distance_radius . .SH RETURN VALUE The |