ArcGIS for Desktop

  • Documentation
  • Pricing
  • Support

  • My Profile
  • Help
  • Sign Out
ArcGIS for Desktop

ArcGIS Online

The mapping platform for your organization

ArcGIS for Desktop

A complete professional GIS

ArcGIS for Server

GIS in your enterprise

ArcGIS for Developers

Tools to build location-aware apps

ArcGIS Solutions

Free template maps and apps for your industry

ArcGIS Marketplace

Get apps and data for your organization

  • Documentation
  • Pricing
  • Support
Esri
  • Sign In
user
  • My Profile
  • Sign Out

Help

  • Home
  • Get Started
  • Map
  • Analyze
  • Manage Data
  • Tools
  • More...

Eckert I

  • Description
  • Projection method
  • Linear graticules
  • Properties
  • Limitations
  • Uses and applications
  • Parameters

Description

Used primarily as a novelty map.

Illustration of Eckert I projection

Projection method

A pseudo cylindrical projection.

Linear graticules

Parallels and meridians are equally spaced straight lines. The poles and the central meridian are straight lines half as long as the equator.

Properties

Shape

Conformal. Local shapes are accurate.

Area

Area isn't preserved.

Direction

Direction is distorted everywhere.

Distance

Scale is correct along 47°10' N and S.

Limitations

Discontinuities exist at the equator.

Uses and applications

Useful only as a novelty.

Parameters

Desktop

  • False Easting
  • False Northing
  • Central Meridian
Note:

Supported on spheres only.

geographic_coordinate_systems.pdf

A geographic coordinate systems pdf file which contains lists of supported gcs and vcs.

projected_coordinate_systems.pdf

A projected coordinate systems pdf file which contains lists of supported pcs.

geographic_transformations.pdf

A geographic transformations pdf file which contains lists of supported geographic and vertical transformations.

Related Topics

  • List of supported map projections
Feedback on this topic?

ArcGIS for Desktop

  • Home
  • Documentation
  • Pricing
  • Support

ArcGIS Platform

  • ArcGIS Online
  • ArcGIS for Desktop
  • ArcGIS for Server
  • ArcGIS for Developers
  • ArcGIS Solutions
  • ArcGIS Marketplace

About Esri

  • About Us
  • Careers
  • Insiders Blog
  • User Conference
  • Developer Summit
Esri
© Copyright 2016 Environmental Systems Research Institute, Inc. | Privacy | Legal