November 2018
Beginner to intermediate
272 pages
5h 36m
English
Content preview from Learn QGIS - Fourth Edition
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Vector to raster
Using the Rasterize tool is very similar to using the Polygonize tool. The only difference is that we get to specify the size of the resulting raster in pixels/cells. We can also specify the attribute field, which will provide input for the raster cell value, as shown in the next screenshot. Load alaska.shp into the Layers panel and, from the Raster menu, select Conversion | Rasterize (Vector to Raster). In this case, the cat attribute of our alaska.shp dataset is rather meaningless.
Make sure you set the Output extent to the alaska layer. Otherwise, leave the other values as their defaults, as shown in the following screenshot:
Rasterize function dialog box
The resulting raster file should appear similar to the following ...
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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.