By Mahesh Venkitachalam

Python is a robust programming language that's effortless to profit and enjoyable to play with. yet as soon as you've gotten a deal with at the fundamentals, what do you do next?

Python Playground is a suite of resourceful programming initiatives that would motivate you to exploit Python to make artwork and song, construct simulations of real-world phenomena, and engage with just like the Arduino and Raspberry Pi. You'll learn how to use universal Python instruments and libraries like numpy, matplotlib, and pygame to do issues like:

Generate Spirograph-like styles utilizing parametric equations and the turtle module
Create tune in your laptop via simulating frequency overtones
Translate graphical photographs into ASCII art
Write an autostereogram application that produces 3D pictures hidden underneath random patterns
Make practical animations with OpenGL shaders by means of exploring particle platforms, transparency, and billboarding techniques
Construct 3D visualizations utilizing facts from CT and MRI scans
Build a laser exhibit that responds to tune through hooking up your computing device to an Arduino

Programming shouldn't be a chore. Have a few reliable, geeky enjoyable with Python Playground.

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Extra resources for Python Playground: Geeky Projects for the Curious Programmer

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When I discussed the Spirograph equations, I talked about the periodicity of the curve. A Spirograph starts repeating itself after a certain angle. At x, you see whether the angle has reached the full range computed for this particular curve. If so, you set the drawingComplete flag because the drawing is complete. Finally, you hide the turtle cursor so you can see your beautiful creation. The SpiroAnimator Class The SpiroAnimator class will let you draw random spiros simultaneously. This class uses a timer to draw the curves one segment at a time; this technique updates the graphics periodically and lets the program process events such as button presses, mouse clicks, and so on.

Now you plot the duration histogram in the second row of the same figure using the matplotlib method hist() }. The bins argument sets the number of data partitions, each of which is used for adding counts in that range. Finally, you call show() ~, and matplotlib displays your beautiful graph in a new window. xml) exported from iTunes. ") Most projects in this book have command line arguments. Rather than trying to parse them by hand and creating a mess, delegate this mundane task to Python’s argparse module.

At v, you store the dimensions of the turtle window. Then you create an empty array at w, which you’ll populate with Spiro objects. These encapsulate the Spirograph drawing and then loop N times (N is passed into SpiroAnimator in the constructor), create a new Spiro object at y, and add it to the list of Spiro objects. The rparams here is a tuple that you need to pass into the Spiro constructor. However, the constructor expects a list of arguments, so you use the Python * operator to convert a tuple to a list of arguments.

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