There are other places that can guide you through creating the contours from your source - might look at QGIS or GRASS for opensource and many other options are available. You might ask on gis.stackexchange.com which may be better suited for the first task you need to do.
On Thu, Apr 21, 2011 at 11:57 AM, Edward Sargisson <[email protected]>wrote: > Hi, > Forgive me, but by my reading of the articles they talk about > downloading the NASA SRTM data (which is a set of elevations every 90 > metres for most of the world) and using gdal_contour to turn that into > shapefiles or import into a PostGis database. > Then the articles talk about using Mapnik to actually display the > contours - you'll need to figure out how to do this with Google Maps > (or you could just use the Terrain view). > > Cheers, > Edward > > On Apr 21, 8:32 am, mduffy215 <[email protected]> wrote: > > Thx. > > > > The links show a process for taking data from exisitng shape files. > > > > What I would like to do is strat out with a set of raw data points and > > generate the contours. > > > > On Apr 20, 1:27 pm, Edward Sargisson <[email protected]> wrote: > > > > > Not a complete answer to your question but take a look at: > http://wiki.openstreetmap.org/wiki/HikingBikingMapshttp://wiki.openst... > > > > > This is the use of gdal and SRTM data to do contours and hill shading. > > > > > On Apr 19, 8:44 am, mduffy215 <[email protected]> wrote: > > > > > > Does anyone have a clear example of creating a contour map overlay > for > > > > Google Maps/Earth from a set of data points? > > > > > > The ideal solution would be a utility (that could be run serverside) > > > > that would take a set of points and genrate the KML.- Hide quoted > text - > > > > > - Show quoted text - > > -- > You received this message because you are subscribed to the Google Groups > "Google Maps API V2" 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. > > -- You received this message because you are subscribed to the Google Groups "Google Maps API V2" 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.
