distance on the equator by map project
Namba Takaya <[email protected]>
| Newsgroups | gmane.comp.gis.gmt.user |
|---|---|
| Message-ID | <[email protected]> |
Dear Sir I tried to calculate the distance on the equator to check the result of mapproject as lon=2 lat=0 lonn=3 latn=0 echo $lon $lat |mapproject -f0x,1y -G$lonn/$latn/n and the result is2 0 60.0405398135. My question is why it is not 60.0000 nautical miles exactly? regards, takaya