November 2018
Beginner to intermediate
272 pages
5h 36m
English
Content preview from Learn QGIS - Fourth Edition
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Selecting data
Selecting data is very useful in GIS. We can create a new layer from a selection, or we could add new data specific to that selection. QGIS allows multiple ways of selecting data, and we will cover some of these here. Later, in Chapter 6, Extending QGIS with Python, we will look at spatial selections. The data attributes toolbar allows selecting by area (this means drawing on the map by hand) and selecting by value (this means passing a query to select the data). The selection tools are highlighted in the following screenshot:
The select data tools
Working from left to right, the tools are Select by Area, Select by Attribute ...
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