Tagged Questions

1
vote
2answers
63 views

Get coordinates from address

I am writing a application which allow users to save a address into database (db) and in the next step it shows all addresses on a map. But in the saving step I need automatically calculate a GPS ...
2
votes
0answers
74 views

Shapefile and geocoding to retrieve an area name

I'm very new to GIS and all things geospatial! I have dbf, prj, sbn, sbx, shp and shx files that have been provided to me. The shapefile contains information on parts of the country that have been ...
5
votes
4answers
4k views

How to Geocode 300,000 addresses on the fly?

I have a database which has 300,000 address, which are to be shown on map. I know if I geo-code all the address it will be too expensive for me. So I was wondering if it is possible to geo-code the ...
1
vote
2answers
531 views

How to make distance calculated using Latitude and Longitude more accurate

I'm coding a Web App whereby users can choose their city (start) and a destination city, and find out the approximate distance between both cities, using Latitude and Longitude of both cities to ...