Any line bisecting the surface of a sphere into two equal halves.

learn more… | top users | synonyms

4
votes
0answers
31 views

Is there any online viewer which displays the polygons assuming great circle Lines for the edges?

My question is similar to this one: Are there any online WKT editors? The links given in answers have been very useful to me. However, it seems that when the tools in question display maps, they ...
2
votes
0answers
97 views

Air corridor in spherical surface: calculating great circle tangent points with small circles

I have the necessity to draw on a sphere (earth) an air corridor. In the cartesian plane, this corridor is made by some circles and from outer tangents that connect these circles as you can see in ...
1
vote
0answers
167 views

How to prevent cross-world lines in ggplot world map?

I'm having issues displaying 'great circles' paths and polygons in ggmap, an extension of ggplot2. Please enter the following code to replicate my issues: ...
1
vote
0answers
503 views

Lines as Great circles on a map

How can I get line features to appear as great circles on a map, instead of straight lines? Thanks,
0
votes
0answers
25 views

How to reformulate a great circle function from plot to ggplot2 system

My data frame consist in a list of projects, and everyone of them has a central node and several no-central nodes (I plot them with a function "map_points"). I want to connect this central node with ...