What is an Aspect Map?
In the mountains, the terrain slopes are in all directions – east, west, north and south-facing. The compass direction that the slope faces is slope aspect.
Author: GISGeography
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How To Vectorize Images with ArcScan
You can take any image, and you can vectorize it with ArcScan. This means you’ll spend less time digitizing and more time doing other important things.
Inverse Distance Weighting (IDW) Interpolation
Inverse Distance Weighting (IDW) interpolation estimates unknown values with specifying search distance, closest points, power setting & barriers.
How Universal Transverse Mercator (UTM) Works
Universal Transverse Mercator (UTM) segments the Earth into 60 zones (each UTM zone is 6°) and projects each zone with an upright cylinder of its own.
Location-Allocation in ArcGIS (Site Selection)
Tech-savvy companies are using the location-allocation tool to find optimal location and target market. Here’s an ArcGIS solution to locate your company.
What Is a Map Legend?
A map legend is used to define features in a map. Point, line and polygon symbols in a legend key is the driving-force to understand what is found in a map.
How Does Geotagging Work?
When you take a photo with your GPS on, it stores its physical location where the photo was taken. Geotagging assigns coordinates to photos.
10 Climate Change Maps – The Climate Explained
From crop production to melting glaciers, these climate change maps help your grasp a clear understanding of our transforming climate.
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.
gvSIG Software Review: Desktop, 3D and Mobile GIS
Map all day. Geoprocess all night. All with open source gvSIG software. gvSIG emerged in 2004. It’s been fine-tuned for close to two decades.