Maps & Cartography Archives

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[ April 14, 2019 ] Where is the Central Meridian? Maps & Cartography
[ April 2, 2019 ] The Big Satellite List. 50 Satellites. 30 Words or Less. Remote Sensing
[ March 16, 2019 ] The Ultimate List of GIS Formats and Geospatial File Extensions GIS Analysis
[ March 3, 2019 ] AVHRR: Advanced Very High Resolution Radiometer Data Sources
[ February 17, 2019 ] Geodesign: Rethinking Design for Resilient Communities GIS Career

Where is the Central Meridian?

The central meridian is the center line of longitude for projection systems. Projected coordinate systems often use it as a reference point for a x-origin.

50 Map Projections Types: A Visual Reference Guide [BIG LIST]

If you’re in need of a visual reference guide to map projection types, this goldmine of the top 50 global map projections used by cartographers will help.

NASA Scientific Visual Studio Ocean Currents Map

Ocean Currents Map: Visualize Our Oceans Movement

Our ocean’s movements push large amounts of water every day. But where? See this list of ocean currents map and visualize our oceans movement and dynamics.

Dot Distribution vs Graduated Symbols vs Proportional Symbol Maps

While graduated symbols and proportional symbols scale the size of the symbol based on value, dot distribution maps use dots to represent quantity.

Active Fire Maps - Landsat Burned Area Extent

3 Active Fire Maps: How to Track Real-Time Wildfires Around the World

History shows that when wildfires get out of hand, they can be costly and deadly to people nearby. Fortunately, satellites can track forest fires and deliver warnings to emergency crews in active fire maps.

esri javascript api windfarm webmap webgl

Esri JavaScript API Examples: 15 High-Tech Webmaps and Webscenes

What can you do with the Esri Javascript API? Its powerful API helps keep us engaged for the challenges in the 21st century, both in interactive 2D and 3D environments.

Decimal Degrees DD Degrees-Minutes-Seconds DMS

Degrees/Minutes/Seconds (DMS) vs Decimal Degrees (DD)

We can find any location on Earth using latitude and longitude coordinates. And we measure those coordinates with decimal degrees or degrees/minutes/seconds

Epic Web Maps – The Maps Hall of Fame [Best Maps]

The ultimate list of best maps online. These display state-of-the-art web mapping technology such as live feeds, 3D views and cutting edge visualization.

How to Show Map Scale with Scale Bar, Inset Map and Ratio Text

There are several ways to help readers understand map scale and distance. For example, cartographers use scale bars, locator maps, stated and ratio scale.

North America Lambert Conformal Conic Projection

Conic Projection: Lambert, Albers and Polyconic

When you place a cone on the Earth and unwrap it, this results in a conic projection. Examples are Albers Equal Area Conic and the Lambert Conformal Conic.

Remote Sensing

The Big Satellite List. 50 Satellites. 30 Words or Less.

Think you know remote sensing satellites? Think again. This satellite list has the top 50 satellites that silently orbit the Earth. In 30 words or less.
Software

The Hidden Powers of QGIS 3: 33 Truly Underappreciated Features and Plugins

When QGIS releases a new version, it’s kinda a big deal. Because the unsung heroes of open source GIS software are back! It’s their third big release. QGIS 3!
GIS Career

1000 GIS Applications & Uses – How GIS Is Changing the World

From over 50 industries, here are 1000 GIS applications to open your mind of our amazing planet, its interconnectivity with location intelligence in mind.

Software

27 Differences Between ArcGIS and QGIS – The Most Epic GIS Software Battle in GIS History

It’s a head-to-head GIS software showdown with the star-studded lineup in the GIS industry- ArcGIS vs QGIS. Discover the differences between ArcGIS and QGIS
Maps & Cartography

Magnetic North vs Geographic (True) North Pole

The Magnetic North Pole is a point in Northern Canada where the northern lines of attraction enter the Earth. Compass needles point to the magnetic north.
Software

13 Free GIS Software Options: Map the World in Open Source

There’s a bucket load of free GIS software packages available for you to map the world. Manage, visualize and edit GIS data with open source GIS software.

GISGeography.com