Select The Right GIS Course And Avoid These 4 Mistakes…

How to select the right GIS course for you So here you are, interested in enrolling into a GIS course. Maybe you are a student, or an industry professional, or maybe you are a business or scientist. Yet, you’ve run into some problems and now you’d like a bit of help. As you read this…

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GIS Application Development

An example of an Emergency GIS application created with Arc GIS GIS technology is rapidly becoming one of the most widely used information platforms in the world. Geographic information systems (GIS), can be used to gather, store, manipulate, and analyze geographic data for a wide variety of purposes. Because GIS is so versatile, it is…

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GIS Attribute Data

Points, Lines, Polygons, and Polylines in a GIS are dumb graphics. We make them intelligent by attaching attributes to them. That way we can tell that a point is a rubbish bin or a sampling location, a line is a road, a polyline is a river, or a polygon is a sports field or a…

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Utility Mapping – Pipeline GIS

Utility mapping for the water industry. The location of buried water pipes is important Geographic Information Systems are one of the most rapidly growing technologies in the world. GIS has a wide variety of applications for government, businesses, retail industries and more. One useful way that GIS technology is currently being used is for utility mapping. In this…

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The Importance of Data Currency and Data Consistency

For Attribute data, Data Currency and Data Consistency are very important concepts. When you’ve finished reading this post you’ll understand that you can’t just pick up an old dataset and blindly believe that it will meet your needs. Data Currency Out-of-date data might be pivotal to your project if you’re interested in analysing something from…

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Air Photo Interpretation

There’s a lot you can tell just by looking at an air photograph. However, you shouldn’t just be a “tourist” when you look at air photos. Below, we’ve listed the top professions that benefit from air photo interpretation.

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Top 10 Most Common Traps With Census Maps

There are many potential Traps with Census maps. Below, we talk about the most common you’ll likely find: Privacy Small populations must be disguised for privacy reasons. This gives people the confidence to answer census questions more truthfully. There are two different ways of doing this… Small geographies: Where you have small geographies, when there’s…

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Introduction To GIS Data Concepts

Question: Why do we need Geographic Information Systems like Quantum GIS, ArcInfo, ArcView, MapInfo, Caliper software, GRASS and Manifold? The answer: In this Introduction To GIS Data Concepts, I’m going to suggest to you that Google Maps simply doesn’t provide the capabilities to handle a sophisticated GIS project. Your ability to incorporate your own maps…

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SQL for GIS Table Query

SQL for GIS Table Query – Introduction Structured Query Language (SQL) is a very common, very generic language in computer systems. It has implementations in lots of different brands of databases like Oracle and Postgres, Ingres and Spatialite. All these use a very similar syntax. So, if you can understand the syntax in one database…

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GIS Technology – Growth

Geographic Information Systems (GIS) are designed to gather, store, and analyze geographical data. Geographic data may include things like natural resource maps, planning maps, asset maps or population maps. GIS is used in all kinds of industries including big business, government and its agencies, retail, utilities management and environment. By using GIS technologies, these industries…

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