Proceed to GeoCommunity Home Page


SpatialNewsGIS Data DepotGeoImaging ChannelGIS and MappingSoftwareGIS JobsGeoBids-RFPsGeoCommunity MarketplaceGIS Event Listings
HomeLoginAccountsAboutContactAdvertiseSearchFAQsForumsCartFree Newsletter

Sponsored by:


TOPICS
Download Data

Accounts

USGS DRGs

USGS DEMs

USGS DOQQs

FEMA Flood Data

VMAP

NWI

Gazetteer

Census/TIGER

Index Grids

About Data

Contact


SpatialNews Daily Newswire!
Subscribe now!

Latest Industry Headlines
NGA NGC Selects Booz Allen Hamilton to Lead the $86M Learning Management & Advancement Program Contract
FNF Canada Partners with DMTI Spatial to Enhance Their Data & Locational Capabilities
Esri Business Partner, GEO Jobe, Announces Release of Admin Tools V 1.0.13 in the ArcGIS Marketplace
GIS Market Stood at US$ 8.4 BN in 2015 and is Estimated to Expand with a CAGR of 12.7%
USDA on Tainted Brazilian Meat: None Has Entered U.S., 100 Percent Re-Inspection Instituted

Latest GeoBids-RFPs
Cartography Training-VA
A & E Services-OR
Remote Sensing-UT
Surveying and Mapping-WA
GPS Locators-MN

Recent Job Opportunities

Recent Discussions
LiDAR-derived DEM
space syntax
DEM data for Israel
3D modeling Consultant
AVP to Style
Data HelpDesk - GIS Glossary


C
Back to Index

COGO
Acronym for Coordinate Geometry, COGO is a subsystem of CAD or GIS made up of a set of standard procedures for processing survey data such as bearings, distances and angles to generate precise spatial representation of land features and survey control networks.

Conformal Projection
A projection wherein the scale is the same in every direction at any point. Meridians and parallels intersect at right angles; the shape of small areas and angles with very short sides are preserved. Most area values are distorted.

Conic Projection
A projection in which the surface is drawn, as it would appear if projected on a cone wrapped around the Earth. A Lambert projection is a form of Conic projection often used for maps of the continental United States, France, and other countries.

Cylindrical Projection
Projection in which a surface is drawn, as it would appear if projected on a cylinder wrapped around the earth. "Mercador Projection" is a form of cylindrical projection in which the surface is drawn, as it would appear if projected on a cylinder wrapped around the earth in a north south direction.


Sponsored by:

For information
regarding
advertising rates
Click Here!

Copyright© 1995-2014 MindSites Group / Privacy Policy

GeoCommunity™, Wireless Developer Network™, GIS Data Depot®, and Spatial News™
including all logos and other service marks
are registered trademarks and trade communities of
MindSites Group