September 2016
Beginner to intermediate
486 pages
10h 56m
English
book
Mastering QGIS - Second Edition
by Kurt Menke, GISP, Paolo Corti, Richard Smith Jr., GISP, Luigi Pirelli, John Van Hoesen, GISP
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Adding data inputs to your model
In this first example, you will identify the portion of a forest within 100 meters from streams (riparian trees). To begin a model, you will need to define the inputs. The graphical modeler will accept the following:
BooleanExtentFileNumberRaster layerStringTableTable fieldVector layer
To add an input, either double-click on the appropriate category from the Inputs tab or drag the input onto the modeler canvas. The Parameter definition dialog will open. Give the parameter a name and fill in any other details, which change depending on the input that is chosen. When an input parameter is defined and added to the model, it is essentially a conceptual parameter. It will not actually be connected to a GIS data layer ...
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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.