Articles & Tutorials

Understanding the ArcGIS Server Proxy Page and CORS

Understanding the ArcGIS Server Proxy Page and CORS

One thing that appears to cause more confusion than anything else among beginner users of the ArcGIS Server API for JavaScript is the use of the proxy page and CORS. Let's see if we can clear up that confusion once and for all. Before we get into the actual mechanics...

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10 Common Python Errors of Beginning ArcGIS Programmers

Over the years I have taught hundreds of beginning level Python programmers how to automate their ArcGIS geoprocessing tasks.   Needless to say I have seen all sorts of errors.  But there are some common errors that I see over and over again.  So if you're a beginner...

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CartoDB – Learn How to Import ESRI Shapefiles

Need to build a GIS website but don't know how to write code?  GeoSpatial Training Services is now offering a free self paced, web based course covering CartoDB.  Building GIS Web Sites without Programming Using CartoDB is now available as a self-paced online class. A...

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Querying and Selecting Data in ArcGIS 10.1 with Python

Today I'm releasing a free sample chapter from my soon to be published book Programming ArcGIS 10.1 with Python Cookbook.  Selecting features from a geographic layer or rows from a standalone attribute table is one of the most common GIS operations.  Queries are...

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Introduction to the HTML5 Geolocation API

The Geolocation API is one of the most exciting new features of HTML5 for us GIS folk. In this section we’re going to look at how geolocation works, what capabilities it offers us and show how easy it is to build an application to retrieve the users location. What is...

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Semantic Markup in HTML5

In our last post we introduced the topic of HTML5 for GIS web and mobile developers.  This post is a continuation of our HTML5 series of posts. Introduction HTML5 introduces the new concept of ‘semantic markup’. Let’s try and illustrate what we mean by semantic markup...

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Introduction to HTML5 for Web and Mobile GIS Developers

Today we're beginning a new series of posts covering the use of HTML5 for web and mobile GIS developers. 2010 - HTML5 Takes Off Google, Microsoft and Apple have all been shouting from the rooftops about HTML5 since around 2010 and have already started implementing...

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