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Write a polygon clipping algorithm to clip a polygon against rectangular clipping are.
Read the vertices of polygon to be clipped. 2. Read the coordinates of the rectangular clipping area against which it has to be clipped. 3. Considering the edge of rectangular area one at a time we apply the following algorithm. 4. /* p is the input vertex, vertex under consideration S is the previous vertex. F is the first point. E is the edge under consideration (of rectangular 7 area against which it has to be clipped) */ Input vertex P 5. If P is the point store it in a variable say F and proceed to step 7. 6. If P is not the first point then if edge 5t5 intersect edge E under consideration. Computer the intersection point 1 Output vertex 1 else proceed to step 7. 7. Store P in variable S (S=P) 8. If S is on left side of edge E output vertex S. 9. Repeat steps 4 to 8 till all the vertices are processed 10. /* for closing polygon */ if 3f intersect E Computer intersection point 1 output vertex 1 11. Repeat the above steps (4 to 10) with new output polygon obtained from step 10 for other edges of rectangular area under consideration.
explain interactive picture-construction techniques
Write short notes on rendering bi-cubic surface patches of constant u and v method? The simple way is to draw the iso-parmetric lines of the surface. Discrete approximations t
Write a C-code which generates a font interactively.This means after every n mouse clicks, a Bezier curve is generated and then the terminal point of the last drawn Bezier curve is
Flat Panel Displays - Hardware Primitives 1. Flat panel displays have now become more common. These include liquid crystal displays (LCD) and thin film electroluminescent disp
Consequently some methods are utilized to handle this huge information and these methods are termed as animation process that are classified as: First Method: In this method,
assignment
What is 2d clipping in computer graphics
State the technology used in LCD Some passive matrix (Pixels are illuminated in scanline order like a raster display but the lack of phospherescence causes flicker) LCDs have
High Level Techniques (Motion Generalized) These are techniques utilized to explain the general motion behavior of any type of graphic object. Such techniques are algorithms o
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