Geodetic Alignment of Satellite and Terrestrial Axes
VRML Animation
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Description
This VRML animation demonstrates the three rotations needed to align the actual position of the earth's equator and north pole with the agreed upon position of the celestial equator and north pole.
You will need a VRML 2.0 plugin to view the animation. One cross-platform VRML viewer is the Cortona vrml plug-in.
Additional VRML Geodetic Rotations
- Aligning Local Astronomical Coordinates to Terrestrial Coordinates
- Aligning Satellite Coordinates to Terrestrial Coordinates
Course Information
Original Course: SUR 351 - Surveying with Geodetic Coordinate Systems
Year: 2006
Original Instructor: Charles Ghilani, Surveying Engineering (Penn State Wilkes-Barre)
Other Uses: This could be used in geodesy courses and possibly as a demonstration of how local plane measurements function in a three-dimensional sphere.
License and Download
This MTO item can be used royalty-free under the following conditions. See the MTO Item Open Source License for complete terms.
- The item is distributed AS IS with no implied or stated warranties.
- The item is restricted to educational or personal use only. Commercial use is not permitted.
- Copies may be distributed, but only for educational or personal use. This item cannot be sold for profit.
- You have permission to modify the item, but the derivative work must remain open source and cannot be marketed for profit.
- Copyright of the original item is held by Penn State.
- If this item is used, attribution to Penn State is requested.
Download Link
All the tutorial files (text, animation and images) are compressed into one file. Once you download the file, double-click on the .zip file to extract the Files. Open the ReadMe.html file for instructions on posting the tutorial files on a Web site or in a course management system.
Download Animation (precession.zip - 524 K)