Essential reading for every Bing map developer.
This month’s MSDN magazine has an article describing how to create curved lines on the Bing Maps AJAX control. While I don’t want to criticise the author at all, there are two comments I would make on the article:
- Firstly, it’s written using v6.3 of the AJAX control – v7.0 has been available for well over 6 months now and (despite some teething problems) this latest version is recommended for all new development.
- Secondly, the article describes how to draw arbitrary Bezier curves on the projected plane of the map. Whilst this is an interesting exercise (and the author goes on to describe important concepts such as how to test the routine), it’s not actually that useful. More often, when we see curved lines on a map, we expect them to represent geodesics – the shortest path between two points on the surface of the earth. Although this was never…
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