quartz/content/notes/000 This Semester/002 Courses/Computer Graphics/Chapter 3 - Scan Conversion/Direct Line Conversion.md
2022-02-12 06:52:50 +06:00

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# Direct Line Conversion
## 1. How does this conversion work?
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1. First get the line equation from the points[[#^a29a1d]]
2. see if ==m≤1==
1. for every point of ==x(x is increased by 1 in every step) calculate y==
3. else
1. for every point of ==y(y is increased by 1) calculate x==
## 2. How to get equation from the points? ^a29a1d
1. First calculate slope m, using the equation
$$ m = (y_2-y_1)/(x_2-x_1)$$
2. Then get b by plug in $x_1$ and $y_1$ in the line equation.