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Python Geospatial Development

You're reading from   Python Geospatial Development Develop sophisticated mapping applications from scratch using Python 3 tools for geospatial development

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Product type Paperback
Published in May 2016
Publisher
ISBN-13 9781785288937
Length 446 pages
Edition 3rd Edition
Languages
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Author (1):
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Erik Westra Erik Westra
Author Profile Icon Erik Westra
Erik Westra
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Toc

Table of Contents (15) Chapters Close

Preface 1. Geospatial Development Using Python FREE CHAPTER 2. GIS 3. Python Libraries for Geospatial Development 4. Sources of Geospatial Data 5. Working with Geospatial Data in Python 6. Spatial Databases 7. Using Python and Mapnik to Generate Maps 8. Working with Spatial Data 9. Improving the DISTAL Application 10. Tools for Web-based Geospatial Development 11. Putting It All Together – a Complete Mapping System 12. ShapeEditor – Importing and Exporting Shapefiles 13. ShapeEditor – Selecting and Editing Features Index

Setting up the database


Because the ShapeEditor will make heavy use of PostGIS, we first need to set up a PostgreSQL user and database for the ShapeEditor to use and then enable the PostGIS extension for this database. Let's do that now:

  1. Open a terminal or command-line window and type the following:

    createuser -P shapeeditor
    

    Tip

    Don't forget to add the -U postgres command-line option or use sudo for this command if you need to run Postgres under a different user account.

  2. You will be prompted to enter a password for the shapeeditor Postgres user. Make sure you remember the password you use, as you'll need to use it when setting up the ShapeEditor so that it can access the database.We next need to create the database itself:

    % createdb shapeeditor
    

    Tip

    Once again, add the -U command-line option, or use sudo if you need to.

  3. We then need to tell Postgres that the shapeeditor user can access the shapeeditor database:

    % psql -c "GRANT ALL PRIVILEGES ON DATABASE shapeeditor TO shapeeditor; "
    
  4. Finally...

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