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Tkinter GUI Application Development Blueprints, Second Edition

You're reading from   Tkinter GUI Application Development Blueprints, Second Edition Build nine projects by working with widgets, geometry management, event handling, and more

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Product type Paperback
Published in Mar 2018
Publisher Packt
ISBN-13 9781788837460
Length 422 pages
Edition 2nd Edition
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Author (1):
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Bhaskar Chaudhary Bhaskar Chaudhary
Author Profile Icon Bhaskar Chaudhary
Bhaskar Chaudhary
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Table of Contents (12) Chapters Close

Preface 1. Meet Tkinter FREE CHAPTER 2. Making a Text Editor 3. Programmable Drum Machine 4. Game of Chess 5. Building an Audio Player 6. Paint Application 7. Piano Tutor 8. Fun with Canvas 9. Multiple Fun Projects 10. Miscellaneous Tips 11. Other Books You May Enjoy

Phyllotaxy

Phyllotaxy is derived from the Greek words phýllon (meaning leaf) and táxis (meaning arrangement). Accordingly, phyllotaxy is the study of the spiral arrangements found in leaves and flowers.

In this section, we will code the following floral pattern:

The mathematical details for this program have been taken from Chapter 4 of the book Algorithmic Botany of Plants—a PDF of which can be obtained from here: http://algorithmicbotany.org/papers/abop/abop-ch4.pdf.

Here are the two formulas from the chapter that we will be using:

and

represents the polar coordinate of each point on the canvas. As you shall see, our phyllotaxy will be made up of dots arranged in a spiral pattern. So the variable n in the preceding example represents the count or the index of the nth dot starting at zero at the center of the spiral. The variable c is used as a scale...

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