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Mastering Geospatial Analysis with Python
book

Mastering Geospatial Analysis with Python

by Silas Toms, Paul Crickard, Eric van Rees
April 2018
Beginner to intermediate content levelBeginner to intermediate
440 pages
11h 36m
English
Packt Publishing
Content preview from Mastering Geospatial Analysis with Python

Locating and reading the shapefiles

To create file dialogs that allow the user to search for and locate shapefiles, Tkinter's Tk class is instantiated and assigned to the variable root. The Tk class creates a small console window that is not necessary, so it is withdrawn using the root.withdraw method:

# Initiate the Tkinter module and withdraw the console it generatesroot = Tk()root.withdraw()

The file dialogs are generated using the filedialog.askopenfilename method. The method accepts a number of arguments, including the title of the file dialog window, the initial directory, and the file extensions that should be visible while using the file dialog. Here is the Select Arena Shapefile dialog code as an example:

# Navigate to the Arena ...
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Publisher Resources

ISBN: 9781788293334Supplemental Content