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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.
Write a program that allows interactive manipulation of the position and orientation of a camera. Draw a teapot at the global origin 0,0,0. You can find a shaded teapot model and
Area Filling Algorithms Before we go ahead with area filling algorithms, a word about pixel addressing and object geometry. You know that line segments are discretized into fin
Question 1 How does GIS differ from traditional Maps? Explain Question 2 Explain vector data model with examples Question 3 What is spatial analysis? explain
What is the difference between odd-even rule and non-zero winding number rule to identify interior regions of an object? Develop an algorithm for a recursive method for filling a 4
Explain the different input modes used in interactive computer graphics.
Advantages of GIF Files GIF is the most extensively supported graphics format upon the Web. GIFs of diagrammatic images appear better than JPEGs. GIF maintains inte
Sutherland-Hodgman Algorithm Any polygon of any type of arbitrary shape can be explained with the assist of some set of vertices connected with it. While we try to clip the po
What is meant by Addressability? Ans. Addressability is the number of individual dots per inch (d.p.i.) that can be formed. If the address of the current dot is (x, y) then the
what is the numerical numbers
Three-Dimensional Viewing Three dimensional objects are created using modelling coordinate system. The modelled objects are then placed in locations specified in the scene with
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