pgLatLon
diff README.mkd @ 33:ae622355c4d4
Write Earth with capital E in README
author | jbe |
---|---|
date | Sat Sep 24 20:28:28 2016 +0200 (2016-09-24) |
parents | eb00c0b0a922 |
children | 604f7bbc7f9c |
line diff
1.1 --- a/README.mkd Sat Sep 24 19:37:44 2016 +0200 1.2 +++ b/README.mkd Sat Sep 24 20:28:28 2016 +0200 1.3 @@ -99,7 +99,7 @@ 1.4 1.5 #### `epoint` 1.6 1.7 -A point on the earth spheroid (WGS-84). 1.8 +A point on the Earth spheroid (WGS-84). 1.9 1.10 The text input format is `'[N|S]<float> [E|W]<float>'`, where each float is in 1.11 degrees. Note the required white space between the latitude and longitude 1.12 @@ -124,13 +124,13 @@ 1.13 prime meridian, this is done by storing a floating point value of -0 for 1.14 0 degrees west and a value of +0 for 0 degrees east. In case of the 1.15 180th meridian, this is done by storing -180 or +180 respectively. The equality 1.16 -operator, however, returns true when the same points on earth are described, 1.17 +operator, however, returns true when the same points on Earth are described, 1.18 i.e. the longitude is ignored for the poles, and 180 degrees west is considered 1.19 to be equal to 180 degrees east. 1.20 1.21 #### `ebox` 1.22 1.23 -An area on earth demarcated by a southern and northern latitude, and a western 1.24 +An area on Earth demarcated by a southern and northern latitude, and a western 1.25 and eastern longitude (all given in WGS-84). 1.26 1.27 The text input format is 1.28 @@ -337,7 +337,7 @@ 1.29 1.30 For short distances, the result is very accurate (i.e. respects the dimensions 1.31 of the WGS-84 spheroid). For longer distances in the order of magnitude of 1.32 -earth's radius or greater, the value is only approximate (but the error is 1.33 +Earth's radius or greater, the value is only approximate (but the error is 1.34 still less than 0.2% as long as no polygons with very long edges are involved). 1.35 1.36 The functions `distance(epoint, epoint)` and `distance(ecluster, epoint)` can