---
title: "03-2d-transforms"
tags: 
- lecture
- cosc342
---

look into how colours work together

Points lines
- point is 2d location $
- two points define a link
- a polyline with k segments is a sequence of k+1 points
- a polygon is a polyline where the beginning and ened are the same, we often omit the duplicate point
- points are vectors

> [!INFO] 

coordingate systems
- mathematical
- image based
- matrix based


transformations
- translation
- scaling
- rotation
- inverse
- combinations

homogenous coordinates
homogenous transforms