Our courses on this topic: Getting Started with the ArcGIS API for JavaScript Intermediate ArcGIS Server Programming with JavaScript https://vimeo.com/145554570
What’s New in the ArcGIS JavaScript API v4.0
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Articles & Tutorials
Using Python to Extract Geographic Coordinates from iPhone Photos
Today almost everyone uses a smart phone. These phones have many capabilities including the ability to take photos and videos. Because they also include a GPS, photos can be location enabled so that the geographic coordinates of each photo are captured and stored with...
Sample Chapter from ArcGIS Blueprints
My new book, ArcGIS Blueprints, is scheduled for publication in November or early December. Today we're releasing a sample chapter from the upcoming book. Chapter 3, Automating the Production of Map Books with Data Driven Pages and ArcPy, can be downloaded here....
Free Chapter – Programming ArcGIS with Python Cookbook
This Friday, July 31st my new book Programming ArcGIS with Python Cookbook (2nd Edition) will be published by Packt Publishing. You can download and read a free chapter from the book. This is Chapter 7: Querying and Selecting Data. We also have several classes...
Google Earth Pro Datasets (Demographics, Parcels, Traffic Counts)
Note: Unfortunately Google has removed access to the demographics, parcel, and traffic layers as of January 29th, 2016. Our courses on this topic: Fundamentals of Google Earth Pro
Python Basics: Reading and Writing Text Files
Our courses on this topic: Programming ArcGIS with Python Workshop Advanced ArcGIS Programming with Python
Dealing with Lots and Lots of Point Data in a Web Application
I recently had a fun question from a student on the Building Custom ArcGIS Server Applications with JavaScript class. He has a busy map service with in excess of 50,000 points on it, and was after some advice as to how to improve performance in a web application he...
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...
Adding USGS Topographic Maps to Google Earth using ArcGIS Online
Important note: A number of people have correctly noted that the directions below don't always display the topo data. I've found in the past that you sometimes have to add the layer a number of times before it will actually display the topos. I'm not sure why this...
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...