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
Supergeo Releases SuperGIS Spatial Analyst 3.2
URISA Certified Workshops to be Presented Virtually
Global Mapper LiDAR Module Released with Feature Extraction to Create 3D Buildings and Trees
Wind Turbine or Tree? Certain Bats Might Not Know
LKA Gold Initiates High Resolution Mapping of Underground Workings At Golden Wonder Mine

Latest GeoBids-RFPs
SPACECORE-CA
GIS Needs Assessment-OR
Environmental Issues Consultancy*RO
Topographical Services*France
Professional Engineering-NM

Recent Job Opportunities
Temporary GIS Analyst (12 Months)

Recent Discussions
Interpolation IDW
introduction to gis
River Basin Boundaries
Do you or someone you know need free tutorials?
Data Download
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