Computer Graphics Part 4a (Drawing lines)
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describe the process of drawing a line
Why does a simple line algorithm (increment x, calculate x, parse int) not work for line drawing?
what does DDA mean? give parametrix form of a line..
- DDA = Digital Differential Analyser
- (finite differences)
Explain how the DDA algorithm works
What is the problem with the DDA algorithm?
There is a lot of floating point arithmetic: 2 "rounds" and 2 adds per pixel
-> Integer arithmetic is easier to implement in hardware
What would you like to do?
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