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Tissot's indicatrix helps illustrate map projection distortion

By Aileen Buckley, Mapping Center Lead Tissot's indicatrix was first developed by French mathematician Nicolas Auguste Tissot in 1859 ...

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Configuring Layer Pop-ups – Adding Charts

Before reading this post you may want to check out the previous posts we’ve done on configuring pop-ups:

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Global EVAPOTRANSPIRATION data accessible in ArcMap thanks to MODIS toolbox!

Evapotranspiration (ET), a combination of evaporation and plant transpiration from the Earth's surface to the atmosphere, is an important...

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Configuring Layer Pop-ups – Beyond the Basics

In an earlier post we covered the basics of how to enable a pop-up for layers in your map. In this post we’ll take you beyond the basic pop-up.

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Newly Available! Arc Hydro Groundwater 3.0 with Supporting Tutorials

Arc Hydro Groundwater version 3.0 is now available for download from Version 3.0 offers new tools (as well as the regular improvements a...

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Adding longitude/latitude lines

Question: Hello. I would like add long/lat lines to a map that I have created. How do you do this?

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Hydrography Event Management Tool for ArcGIS 10

        The Hydrography Event Management (HEM) Tool Version 2.4 for ArcGIS 10 is now available! The ...

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DEM resolution, output map pixel density, and largest appropriate map scale

By Dr. A Jon Kimerling, Professor Emeritus, Oregon State University If you've used any raster DEM data to make maps you may have at on...

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Printing wall maps from the World Topographic Community basemap

By Aileen Buckley, Mapping Center Lead I recently printed a wall map from the World Topographic Community Basemap, and I thought some ...

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Trouble free scale bar – scale bar length to remain constant size

Question: At our organization users generally want a scale bar which is constant size and a useful size, like 1″ or 2″ wide.

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