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2 cards from this section. Quick, good the night before a test.
What is a point in 2D space represented as?
Think of how we describe locations in a plane.
What is the equation of a line in 2D?
Recall how we typically express lines mathematically.
What does a transformation matrix do?
Consider all the types of transformations mentioned.
True or False: Homogeneous coordinates require a third dimension for 2D representations.
Think about how we represent points in this system.
Given a triangle with vertices at points A(1, 1), B(2, 3), C(3, 2), apply a translation of T(4, -1). What are the new coordinates of the triangle's vertices?
Add the translation vector to each vertex point separately.
Using a scaling factor of 1.5, derive the coordinates of a square with original corners at (0,0), (1,0), (1,1), and (0,1). What are the coordinates of the transformed square?
Multiply each coordinate by the scaling factor.
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