Top "Geography" questions

Geography is the science that deals with the study of the Earth and its lands, features, inhabitants, and phenomena.

Calculate distance between 2 GPS coordinates

How do I calculate distance between two GPS coordinates (using latitude and longitude)?

math geolocation geometry latitude-longitude geography
Getting distance between two points based on latitude/longitude

I tried implementing this formula: http://andrew.hedges.name/experiments/haversine/ The aplet does good for the two points I …

python geocoding geo geography
Java, convert lat/lon to UTM

Does anyone know of a way, in Java, to convert an earth surface position from lat, lon to UTM (say …

java geolocation latitude-longitude geography geotools
Positive/Negative Latitude and Longitude values vs. Cardinal Directions

As I've been taught, lat and long are of following types: Latitude North Longitude West Latitude South Longitude East During …

google-maps geolocation maps latitude-longitude geography
Geographical boundaries of states/provinces -> Google Maps Polygon

I'm building a web application that is going to dynamically highlight certain U.S. states and Canadian provinces on a …

google-maps coordinates geography gis
SQL Server 2008 GEOGRAPHY STDistance() value

I am using geography.STDistance() to return the distance between two single point locations. I'm curious as to which measurement …

sql sql-server-2008 geography
What services can I used to find a user's location based on their IP address?

If you need to locate a user based on their IP address, what services are available (free and not free …

ip-address location geography
Calculating area enclosed by arbitrary polygon on Earth's surface

Say I have an arbitrary set of latitude and longitude pairs representing points on some simple, closed curve. In Cartesian …

math geometry gis geography
How to find distance from the latitude and longitude of two locations?

I have a set of latitudes and longitudes of locations. How to find distance from one location in the set …

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