June 2005
Beginner to intermediate
372 pages
10h 1m
English
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Using OpenEV
OpenEV was designed as an example of the kinds of tools that can be built on top of various open source GIS libraries. It has a variety of powerful features, is open to complete customization, and includes the ability to add in custom tools written in Python. For the purposes of this chapter, only some of the basic functions (not including Python scripting) will be demonstrated. These include the ability to view various formats of raster and vector data layers, change their colors, create labels, etc. It is also possible to create your own data; check for that in Chapter 9.
Follow along with the examples, and try them yourself to build up your familiarity and comfort with this tool. You will first test your installation of OpenEV, then create some custom maps using the demonstration datasets. Once the basic viewing capabilities are explored, you will learn to create some more sophisticated color classifications, and ultimately produce a 3D model to navigate through.
Installing OpenEV
Chapters 5 and 6 walked you through how to acquire sample data and review it using some simple tools. If you don't already have the MapServer demonstration data and the FWTools downloaded and installed, please refer back to these sections in Chapter 6.
You should have two things: a sample MapServer application known
as Workshop and a copy of OpenEV
that comes with FWTools. To test that you have OpenEV installed,
launch the program. Windows users will launch the OpenEV_FW desktop shortcut. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.