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Bresenham Line Generation Algorithm for Positive Slope
(BLD algorithm for positive slope (0 < m < 1)
- If slope is negative then utilize reflection transformation to transform the line segment along with -ve slope to line segment along with a +ve slope.
- Determine constants 2Δy, 2Δy - 2Δx, Δy, Δx at once for all lines to be scan converted, consequently the arithmetic engages only integer subtraction or addition of these constants.
Assume here are three polygon surfaces P,Q, R along with vertices specified by as: P: P1(1,1,1), P2(4,5,2), P3(5,2,5) And as Q: Q1(2,2,0.5), Q2(3,3,1.75), Q3(6,1,0.5) R: R1(0.5,
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Various cases of Cohen Sutherland Line Clippings Currently, we study how this clipping algorithm works. For the sake of simplicity we will tackle all the cases with the assist
Draw a long line segment using (i) DDA line drawing algorithm (ii) Bresenham line drawing algorithm (iii) OpenGL function using GL_LINES. Observe if DDA line segment deflects from
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