Created
November 2, 2014 07:04
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| ## convert back and forth between -180/180 and 0/360 systems | |
| to_lon_360 <- function(lon_180) { | |
| (lon_180 + 360) %% 360 | |
| } | |
| to_lon_180 <- function(lon_360) { | |
| ((lon_360 + 180) %% 360) - 180 | |
| } | |
| to_lon_360(-143.27) | |
| to_lon_360(120.5) | |
| to_lon_180(340) | |
| to_lon_180(123.5) |
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