great circle lines

2 posts, 0 answers
  1. Henri
    Henri avatar
    74 posts
    Member since:
    Aug 2008

    Posted 07 Sep 2010 Link to this post

    Hi,

    How can I draw a line between 2 locations following the great circle?
    (At the moment, i am planning to add multiple line segments instead of a nicely single curved line.)

    Thanks for your assistance,
    Henri
  2. Evgenia
    Admin
    Evgenia avatar
    1406 posts

    Posted 09 Sep 2010 Link to this post

    Hi Henri,

    As I understand you want to plot a linestring representing the great circle route between two points rather than simply a straight line on the map. Here is shown how to make the great circle calculations to gain an array of LatLong points http://www.beginningspatial.com/plotting_geography_linestrings_google_maps_and_virtual_earth. You
    can use this array to draw the desired line as it is shown here http://www.telerik.com/help/silverlight/map-adding-map-shapes.html.

    Greetings,
    Evgenia
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