On-Line Geodesy Resources
Surveying, Maps & Gazetteers

Surveying
Surveying Software
- MCOGO (Free DOS-based COGO program from Mark Huber used by many US Corps of Engineers Districts)
- Survey (Shareware COGO program from David Wahlstrom)
- COGO (Another shareware COGO program from David Wahlstrom)
- SPADE: Solar and Polaris Azimuth DEtermination ($50 DOS-based program from yours truly that computes the astronomic azimuths of the Sun and Polaris without the use of tables, designed for use by land surveyors; demo version available)
Maps and Imagery
- Atlas of Canada
- U.S. National Imagery and Mapping Agency Earth-Info (provides imagery of the Earth, maps, and other geographic information produced by the U.S. Government and commercial providers)
- MapQuest (maps, driving directions, trip planning)
- MapBlast (maps, driving directions, trip planning)
- US Digital Relief Map
- Color Landform Atlas of the US
- Perry-Castaneda Library Map Collection (about 5000 maps for all parts of the world for on-line viewing)
- Xerox PARC Map Viewer (Discontinued...check web page for activation of new service)
- Tiger Map Server -- (Browser)
- Online Map Creation (based on GMT)
- Earth and Moon Viewer
- MacMap e-Mail List
Mapping Software
- GeoCommunity -- Free Software (a directory of free software tools and utilities in geomatics)
- GMT: Generic Mapping Tools (a free open source collection of ~60 tools for manipulating geographic and Cartesian data sets (including filtering, trend fitting, gridding, projecting, etc.) and producing Encapsulated PostScript File (EPS) illustrations ranging from simple x-y plots through contour maps to artificially illuminated surfaces and 3-D perspective views. GMT supports ~30 map projections and transformations and comes with support data such as coastlines, rivers, and political boundaries)
- MATLAB Mapping Toolbox (commercial; a comprehensive set of functions and graphical user interfaces for building map displays and performing geospatial data analysis in MATLAB, supporting key mapping and geospatial data analysis, manipulation, and visualization tasks for applications such as earth and planetary scientific research, oil and gas exploration, environmental monitoring, insurance risk management, aerospace, defense, and security)
- M_Map (a free mapping toolbox for MATLAB)
Gazetteers
- Atlas of Canada Gazetteer
- Canadian Geographical Name Server
- U.S. Gazetteer at U.S. Census Bureau
- USGS Geographic Names Information System
- Geographic Name Server

Last Revised 31 January 2006

On-Line Geodesy Resources Surveying, Maps & Gazetteers

On-Line Geodesy Resources
Surveying, Maps & Gazetteers