17
votes
3answers
733 views

Why do we use the terms “longitude” and “latitude” for a spherical body?

To specify a geographic coordinate we use the terms “longitude” and “latitude”. Far as I know, these terms derive from the Latin latitudo (= breadth) and longitudo (= length). In German we use the ...
6
votes
1answer
150 views

locating latitude-longitude point in a piste-map with matrix transforms

I am trying to plot points of a particular latitude longitude on this image of a Swiss mountainous landscape. What I am doing is I have some 54 known location-points plotted on this image (not ...
4
votes
1answer
1k views

How can I render latitude-longitude coordinates on a map with D3?

I am trying to overlay dots of arbitrary sets of longitude-latitude coordinates on top of a United States map. So far I have found the D3 cartography example, but when I try to place dots on X,Y ...