Tag Archives: GIS

Meeting of the Pines Waypoint Data

Here is the outline of the steps we will be following. Click here to get the waypoints that mark the perimeter of the study area for Meeting of the Pines. To save time, I already downloaded soil survey data from … Continue reading

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Extensions need to be authorized

Recently, I wanted to use the Spatial Analyst extension on ArcGIS 10 and got this cryptic message. I knew for certain that the extension was licensed. It showed as installed and licensed elsewhere in the program. After getting help from… Continue reading

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The personalities of map projections?

I never knew that map projections had personalities…Image permalink…. Continue reading

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Develop an Elevation Profile

In surveying we have been making elevation profiles from differential leveling data for as long as I have been teaching the course. Recently, I came across a help page from the University of Georgia that uses ArcGIS to associate data… Continue reading

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Access or Excel

Yesterday in FORT 120 we started looking at Microsoft Access, a relational database management system. It has similarities with Excel, the spreadsheet solution. This raises the question, why learn both programs and when should one be used over another.At first… Continue reading

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Use GIS to study cover type changes

The Penn Pilot web site provides historical aerial photos for most of Pennsylvania. You can either view the photos on the site or download them to use with other applications. Recently, in GIS class we used ArcGIS 9.2 to position… Continue reading

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Lessons Learned

The more I use ArcGIS the more I realize that it is a very complicated piece of software. You have to be careful to understand each function to deal with problems as they arise. Here are a few tips I… Continue reading

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Google Map Demonstration

This is a Google map showing some points on campus. It is inserted here to show how the new map tools are designed to create connected media. A term I have heard for this type of mapping tool is neogeography…. Continue reading

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