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Mastering  QGIS

You're reading from   Mastering QGIS Go beyond the basics and unleash the full power of QGIS with practical, step-by-step examples

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Product type Paperback
Published in Sep 2016
Publisher Packt
ISBN-13 9781786460370
Length 486 pages
Edition 2nd Edition
Tools
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Authors (5):
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John Van Hoesen, GISP John Van Hoesen, GISP
Author Profile Icon John Van Hoesen, GISP
John Van Hoesen, GISP
Kurt Menke, GISP Kurt Menke, GISP
Author Profile Icon Kurt Menke, GISP
Kurt Menke, GISP
Paolo Corti Paolo Corti
Author Profile Icon Paolo Corti
Paolo Corti
Richard Smith Jr., GISP Richard Smith Jr., GISP
Author Profile Icon Richard Smith Jr., GISP
Richard Smith Jr., GISP
Luigi Pirelli Luigi Pirelli
Author Profile Icon Luigi Pirelli
Luigi Pirelli
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Toc

Table of Contents (13) Chapters Close

Preface 1. A Refreshing Look at QGIS FREE CHAPTER 2. Creating Spatial Databases 3. Styling Raster and Vector Data 4. Preparing Vector Data for Processing 5. Preparing Raster Data for Processing 6. Advanced Data Creation and Editing 7. Advanced Data Visualization 8. The Processing Toolbox 9. Automating Workflows with the Graphical Modeler 10. Creating QGIS Plugins with PyQGIS and Problem Solving 11. PyQGIS Scripting Index

Managing tables

DB Manager provides functions to create, rename, edit, delete, and empty tables using tools found under the Table menu. In this section, we will discuss each tool.

Creating a new table

Creating new tables using DB Manager is fairly straightforward. When creating a new table, you can specify whether it will be a spatial table or a nonspatial table. In this section, we will create a new spatial table in SpatiaLite to hold data about mountain peaks in a park; to do this, perform the following steps:

Tip

To quickly create a new SpatiaLite layer (and optionally a database) in one dialog box in QGIS Desktop, navigate to Layer | Create Layer | New SpatiaLite Layer….

  1. Open DB Manager by clicking on DB Manager under Database. Expand SpatiaLite and select GiffordPinochet.sqlite in the Tree panel.
  2. Navigate to Table | Create Table to open the Create Table window.
  3. Enter Peaks as the table name.
  4. Click on the Add field button to add a new table field. A new row will appear in the field list...
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