On Aug 26, 1:09 pm, Jonas Kaufmann <[email protected]> wrote: > Hello Marcello, > > thank you for pointing me in the right direction! For future > reference, the solution is using the altitude of the point - over > oceans, the altitude will be set to undefined values.
What altitude? The API does not have anything about altitude, and if you're using an external service to obtain it, then your solution will only be as reliable as that service. IMO, a much better solution is using relevant shapefiles with the outlines of your areas of interest, and point-in-polygon analysis. -- Marcelo - http://maps.forum.nu -- > > Best regards, > Jonas > > On 26 Aug., 12:23, Marcelo <[email protected]> wrote: > > > This is a FAQ, but since the group's search isn't working you have to > > usewww.google.comtofind previous > > posts:http://www.google.com/#hl=en&source=hp&q=land+or+water+site%3Ahttp%3A... > > > -- > > Marcelo -http://maps.forum.nu > > -- > > > On Aug 26, 11:30 am, Jonas Kaufmann <[email protected]> wrote: > > > > Hello, > > > > I am currently looking into a problem where I should classify places > > > whether they are coastal or inland places. Coastal places are places > > > that are up to 10km away from an ocean or "bigger" inland sea (Great > > > Lakes, Baltic Sea...). To do this, I would need the following > > > information from the maps API: > > > > - is a given location over land or over water? > > > - if it is over water, how big is the area covered by water? > > > > The first question would already be sufficient for a start. > > > > I could build up a circle with 10km radius around every one of my > > > given places and use sample points and check whether they are over > > > water. When I find a water point, I would then have to look if it is > > > only a small lake or an ocean. > > > > Do you know if this is possible using the Google Maps API? If not, is > > > there another API or webservice available that I could use for this > > > problem? Or do you have another approach to this problem? > > > > Thank you in advance! > > > > Best regards, > > > Jonas Kaufmann --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
