I have several maps to digitize. The base maps were Canadian NTS map sheets, all for more or less the same region. The useful information has been traced on top with handwritten markings. The maps ...
I am trying to create a mathematical formula to convert meters to decimal degrees. Reading this article Decimal Degrees, I thought this generic formula: x = (Value_in_meter * 0.00001)/1.1132 But I ...
I want to calculate a given LatLng to the world coordinate . I know I can use the internal projection of Google maps like this: var map=new google.maps.Map(...); ...
I need to indicate a lat/lon coordinate in an old map like this: http://www.davidrumsey.com/luna/servlet/detail/RUMSEY~8~1~3017~90020003:Topographical-Map-Of-The-City-and-C Projected on Google Maps: ...
I am looking to hone my skills in the theory and the mathematicas involving the projections systems, projection transformations ( from xy to uv, φλ and vice versa). Can you share the ...
I am trying to display an existing GeoTIFF file (from the FAA WAC set) in an application that requires the GeoTIFF NaturalOriginLongitude tag (FalconView 5.1.1). There are some older files in that set ...
Hello, I'm trying to show a map on Android. I'm using two map providers and am having trouble when converting geo point(lat/lon) to point in my viewport(x/y in pixels). 1) the first map provider used ...
I would like to expand my knowledge coordinate systems, projections and reprojecting data, with a view of writing a reprojection engine. Could you provide me with some resources (books, websites, ...