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Learning Geospatial Analysis with Python - Third Edition
book

Learning Geospatial Analysis with Python - Third Edition

by Joel Lawhead
September 2019
Beginner content levelBeginner
456 pages
10h 53m
English
Packt Publishing
Content preview from Learning Geospatial Analysis with Python - Third Edition

Rendering the map

The turtle module uses the concept of a cursor, known as a pen. Moving the cursor around the canvas is exactly the same as moving a pen around a piece of paper. The cursor will draw a line when you move it. You'll notice that, throughout the code, we use the t.up() and t.down() commands to pick the pen up when we want to move to a new location and put it down when we're ready to draw. We have some important steps to follow in this section, so let's get started:

  1. Since the border of Colorado is a polygon, we must draw a line between the last point and the first point to close the polygon. We can also leave out the closing step and just add a duplicate point to the Colorado dataset. Once we've drawn the state, we'll use the ...
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Publisher Resources

ISBN: 9781789959277Supplemental Content