I have two large (several hundred features) maps created by Google My Maps that I use for my field research. They contain important information required by the field crew for their work on site. ...
I used HTML5 code for getting coordinates on Android (HTC desire s) with GPS enabled and iPhone (3gs). But the latitude and longitude are different on both devices at same place, why?. Difference ...
Has anyone had any luck intergrating a GPS unit with your Smartphone? Looking to gain sub 5m accuracy. Ideally would like the phone to just use the better gps reciever when it is connected. This ...
I've got a client that wants to create a mobile app that can view and edit shapefiles stored locally on the device to enable it to work offline. There is a possibility of converting the shapefiles to ...