Darius Jamal

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ArcGIS 9.3 Webhelp Topic

Discrete and continuous data<p>Release 9.3<br>Last modified November 12, 2009<p>Related Topics<p><b>Note:</b> <i>This topic was updated for 9.3.1.</i><p>Discrete data, which is …

What is raster data?—Help

In its simplest form, a raster consists of a matrix of cells (or pixels) organized into rows and columns (or a grid) where each cell contains a value …

GPS and Your Privacy

Learn About GPS and Your Privacy<p>Tracking You is Now a Whole Lot Easier<p>Updated October 08, 2017<p>Kroll predicted the Global Positioning System (GPS) …

Privacy

Edward Snowden

Edward Snowden Biography<p>Computer Programmer(1983–)<p>8K<p>SHARES<p>Edward Snowden is a former National Security Agency subcontractor who made headlines in …

In Your Face: China’s all-seeing state

China has been building what it calls "the world's biggest camera surveillance network". Across the country, 170 million CCTV cameras are already in place and an estimated 400 million new ones will be installed in the next three years.<p>Many of the cameras are fitted with artificial intelligence, …

China

Azimuthal Projection: Orthographic, Stereographic and Gnomonic

What are Map Projections? (And Why They Are Deceiving to the Human Eye)

Map projection animations

<b>By Dr. A Jon Kimerling, Professor Emeritus, Oregon State University</b><p>There are many ways that we can think about similarities among map projections. We …

Google Maps Has Finally Added a Geodesic Distance Measuring Tool

Helicopter owners and tech-savvy birds, rejoice. You can now map the literal shortest distance to your destination.<p>Measuring geodesic distance—that's distance as the crow flies, or the literal shortest route between two points—on Google Maps long required an oddly analog approach: You looked at the …

Large Scale vs. Small Scale Maps - What? - The Chart & Map Shop

Everybody gets this wrong and it’s not hard to see why. You look at a map, the scale says 1:1,000,000 and you think large number, large area covered …

Geography

Design principles for cartography

<b>By Aileen Buckley, Mapping Center Lead</b><p>Cartographers apply many design principles when compiling their maps and constructing page layouts. Five of the …