June 2017
Beginner
428 pages
10h 2m
English
Content preview from Practical GIS
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Styling vector data
Unlike raster data, which can be styled by their individual raster values, vector data can be styled statically, or by their attributes. Basic styling includes a simple style for a layer. For polygons, it is a simple fill with an outline, a simple line for lines, while for points, it is a scale independent circle with an outline. If we open the Properties window of a vector layer, and navigate to the Style tab, we can see the Single symbol method applied to the layer.
These are cascading styles, starting in a parent class, which is predefined for the geometry type and is unchangeable. These styles are truly cascading, therefore, if we change a global attribute, like the color on any member, the whole structure conforms. ...
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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.