On 9 juin, 20:03, William <[email protected]> wrote: > On Jun 9, 5:36 pm, Brice <[email protected]> wrote: > > > what makes possible to fill > > any place except the area determined by the polygon (the encoded one > > in my case). > > Your example had a large rectangular polygon surrounding France, with > an interior "donut" polygon of Limousin. > > The idea is to make the outer polygon as large as the world, using the > limits of Google's mercator projection. > > I think the maximum geographic dimension of a shape is 180 degrees, > because the API will always draw the shortest path between any two > points, so one way to draw the world is in three rectangles: > > 1. the first centred in Europe, extending from 89 W longitude to 89 E > longitude, from north to south pole (approximately 85.05 degrees north > and south). > 2. the second from 89W to 180W > 3. the third from 89E to 180E > > these polygons are filled, with no outline, so they appear to cover > the entire map. > > see this example with the Limousin > polygon:http://www.william-map.com/20100609/2/inverse.htm >
Thanks so much William ! I wish I had the idea of the polygon covering the entire world, but I wouldn't have imagined the way to do it (the three rectangles) :/ Thanks for the examples and all of your explanations, which are very clear and very helpful. -- You received this message because you are subscribed to the Google Groups "Google Maps API" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-maps-api?hl=en.
