Online Tools


Sunrise, Sunset and Twilight Times

Computes sunrise, sunset and twilight times using the National Gazetteer of Australia.


Topographic Data and Map Specifications

Topographic Data and Map specifications for The National Topographic Database and NTMS series 1:250 000 and 1:100 000 scale topographic map products.


Vincenty's Formulae - Direct Method

Geodetic Calculations - Vincenty's Formulae, Direct Method Given the latitude and longitude of a point (1) and the forward geodetic azimuth (1-2) and ellipsoidal distance to a second point (2), calculate the latitude and longitude of the second point and the reverse azimuth (2-1).


Vincenty's Formulae - Inverse Method

Geodetic Calculations - Vincenty's Formulae, Inverse Method Given latitude and longitude of two points, calculate the ellipsoidal distance and forward and reverse azimuths between the points.


Water Observations from Space

Water Observations from Space (WOfS) is a web service displaying historical surface water observations derived from satellite imagery for all of Australia for the period of 1998 to 2012


World Wind - 3D Viewer

Geoscience Australia's 3D Data Viewer is an application developed using NASA's World Wind Java Software Development Kit (SDK) to display Australia's continental data sets. The viewer allows you to compare national data sets such as the radioelements, the gravity and magnetic anomalies, and other mapping layers, and show the data draped over the Australian terrain in three dimensions.



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