Timeline for Using ogr to calculate distance is returning incorrect results away from equator
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Apr 13, 2017 at 12:34 | history | edited | CommunityBot |
replaced http://gis.stackexchange.com/ with https://gis.stackexchange.com/
|
|
| Apr 19, 2014 at 16:02 | comment | added | Martin F | @RoyHB - Sorry, i skipped a step or two! SF = 1 / cos (lat). Globe dist = map dist / SF = 89 * 0.68 | |
| Apr 19, 2014 at 15:52 | history | edited | Martin F | CC BY-SA 3.0 |
inserted math step
|
| Apr 19, 2014 at 5:49 | vote | accept | RoyHB | ||
| Apr 19, 2014 at 5:49 | comment | added | RoyHB | Martin - I've looked at the page that you linked and can't see how to calculate the scale factor to arrive at the 0.68 you mention. Is there a lookup table somewhere or a simple means of calculating the SF? | |
| Apr 19, 2014 at 4:12 | history | answered | Martin F | CC BY-SA 3.0 |