FredEckert

# title: 3D_perspective_projection_visualizer.py
# reference: ChatGPT-4> Given the python program https://gist.github.com/FredEckert/9527d4ec1fbd1be2e46bd920225ca1f4,
# can you create a perspective projection visualizer in a similar style>?

import numpy as np
import matplotlib.pyplot as plt
from mpl_toolkits.mplot3d import Axes3D
from mpl_toolkits.mplot3d.art3d import Poly3DCollection

def perspective_transform(matrix, points):

FredEckert

Title: Command-Line Rust
Subtitle: A Project-Based Primer for Writing Rust CLIs
Author: Ken Youens-Clark
Publisher: O'Reilly
Publish Date: January 2022

Preface:

What is Rust

FredEckert

# title: 3D_affine_transformation_visualizer.py
# references:
# 1. how to perform coordinates affine transformation using python?
#    https://stackoverflow.com/questions/8873462/how-to-perform-coordinates-affine-transformation-using-python/56329041#56329041
# 2. python draw parallelepiped
#    https://stackoverflow.com/questions/44881885/python-draw-parallelepiped/45094199#45094199
#    https://stackoverflow.com/questions/44881885/python-draw-parallelepiped/49766400#49766400
#
import numpy as np
from mpl_toolkits.mplot3d import Axes3D

FredEckert

/*
To test that the Linux framebuffer is set up correctly, and that the device permissions
are correct, use the program below which opens the frame buffer and draws a gradient-
filled red square:

retrieved from:
Testing the Linux Framebuffer for Qtopia Core (qt4-x11-4.2.2)

http://cep.xor.aps.anl.gov/software/qt4-x11-4.2.2/qtopiacore-testingframebuffer.html
*/