OpenLayers 2.10 Beginner's Guide

The aim of this book is to provide a guide for beginners and also serve as a reference (but not a replacement for the OpenLayers docs). We use examples throughout the book to demonstrate OpenLayers concepts. This site will serve as extension for the OpenLayers book and contain code samples, error fixes, and other related things. This OpenLayers book is available at OpenLayers Book 2.10 Beginner's Guide.
As errors and corrections are found, I will be posting updates. You can find the code, along with a free chapter (Chapter 9 - Using Vector Layers) in the openlayers book section of my site. If you find any errors or things that should be addressed, please e-mail me at enoex1 .at. gmail.
Posted on 2011-03-16 22:07:14 | Read More >

OpenLayers 2.10 SHRUG 2010 Presentation

I recently gave a talk at the SHRUG conference in Tallahasse, FL. It's a general introduction to OpenLayers, containing some code and examples of what OpenLayers can do.

You can download the presentation in open office format or download the presentation in Microsoft Office format

You can also download the code archive in .zip format
Posted on 2010-11-16 22:07:14 | Read More >

MooTools 1.2 Beginner's Guide - Review

MooTools 1.2 Beginner's Guide, authored by Jacob Gube and Garrick Cheung is an outstanding book. It aims to provide a solid foundation for MooTools new comers, and assumes a limited knowledge of Javascript, HTML, and CSS. This book aims at not just at providing a laundry list of MooTool function definitions, but at providing a complete coverage of how MooTools geared towards a beginner. I highly recommend it.
Posted on 2010-11-08 13:19:11 | Read More >

Removing ^M characters on ubuntu in VIM

Remove ^M characters in VIM by replacing \r with nothing. ^M is really \r. Use :%s/\r//g
Posted on 2010-11-06 13:16:14 | Read More >

Javascript Browser Based Tower Defense Game: Elemental TD

My latest project is an Browser Based Tower Defense (Elemental TD) game written in Javascript using the MooTools framework on the client end. The thing that sort of sets it apart from other browser games is that it is a true browser based tower defense: it does not use flash or other third party plugins; it’s all Javascript.
Posted on 2010-11-06 13:14:09 | Read More >

OpenLayers Tutorial - Part 3 - Controls

OpenLayers Tutorial Part 3 - Controls. Tutorial covering OpenLayers Controls, various examples and sample code, including styling controls with CSS, placing controls outside the map in panels, and more.
Posted on 2010-05-02 14:27:01 | Read More >

Replace a String in Multiple Files in Linux Using Grep and Sed

This is the quickest way I've found to search for and replace every occurrence of a string in multiple files in linux. 
grep -rl matchstring somedir/ | xargs sed -i 's/string1/string2/g'
example: 
grep -rl 'windows' ./ | xargs sed -i 's/windows/linux/g'
Posted on 2010-04-25 22:27:29 | Read More >

OpenLayers Tutorial - Part 2 - Layers

OpenLayers Tutorial Part 2 - Tutorial covering OpenLayers Layers, including how it works on the backend, WMS, Vector layers, Google Maps and OpenLayer mashup instructions, and other Layer object related concepts.
Posted on 2010-02-02 14:27:57 | Read More >

Dijkstra's Algorithm - Shortest Path

This post will cover the basics of Dijksta's shortest path algorithm and how it can apply to path finding for game development. It is my opinion that understanding this algorithm will aid in understanding more complex AI algorithms, such as A*. This post is aimed more towards developers starting out in game development or those curious about Dijkstra's algorithm, but this will be a somewhat simplification of it and discuss mainly the concepts.
Posted on 2010-01-17 14:29:18 | Read More >

OpenLayers Tutorial - Part 1 - Introduction

Tutorial Introducing OpenLayers, covering the basics of creating a map and populating it with a single layer.
Posted on 2009-10-03 13:39:40 | Read More >

ATI / NVidia Dual monitors with Ubuntu 8.04

Set up dual monitors in Ubuntu 8.04 for both ATI and NVidia based graphics cards without configuring xorg.conf or manually editing any other files. This should work for most ait or nvidia based dual monitor setups with Ubuntu 8.04 Hardy Heron. Note: This is a bit outdated, newer versions of Ubuntu support this out of the box
Posted on 2008-07-21 22:00:52 | Read More >

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