Scan line polygon fill algorithm - raster graphics, Computer Graphics

Assignment Help:

Scan Line Polygon Fill Algorithm - Raster Graphics

In such algorithm, the information for a solid body is stored in the frame buffer and utilizing that information each pixel that is, of both interior region and boundary are considered and, are so plotted. This time we are going to perform scan conversion of solid regions; here the areas are bounded through polygonal lines.  Pixels are considered for the interior of the polygonal area and are then filled plotted along with the predefined colour. Now let us discuss the algorithm briefly and then we will further discuss details on the similar.

This algorithm checks and modifies the attributes (that is parameters and characteristics) of the pixels only with the current raster scan line. Immediately it crosses over from the outside to the inside of a boundary of the particular polygon it begins resetting the colour or as gray attribute. In filling effect the region along that scans line. Such changes back to the initial attribute while it crosses the boundary again. In following figure, shows variations of this basic idea.

1234_Scan Line Polygon Fill Algorithm - Raster Graphics 1.png

Figure: Concept of scan line polygon filling

Hence as to understand Scan Line Polygon Fill Algorithm in detail consider in following figure:

1607_Scan Line Polygon Fill Algorithm - Raster Graphics 2.png

Figure: Scan line polygon filling


Related Discussions:- Scan line polygon fill algorithm - raster graphics

Classification of print finishing processes, Problem: a. Provide exampl...

Problem: a. Provide examples of classification of print finishing processes. b. In advertising, what do you meant by creative strategies? c. Creative strategies are div

Differences, difference between vecgen and breshnam algorithm

difference between vecgen and breshnam algorithm

Normalization transformation, what is normalization transformation?why is i...

what is normalization transformation?why is it needed and important?give simple example also.

Algorithms for basic line segment plotting, Algorithms for Basic Line Segme...

Algorithms for Basic Line Segment Plotting There are two important algorithms for basic line segment plotting-DDA algorithm and Bresenham algorithm.  Both the algorithms use th

Describe the elements of design pattern, Question: (a) Using suitable ...

Question: (a) Using suitable examples, explain the following basic principles of design: (i) Proximity (ii) Repetition (iii) Contrast (iv) Alignment. (b) Color h

Phong model or phong specular reflection model, Phong Model or Phong Specul...

Phong Model or Phong Specular Reflection Model It is an empirical model that is not based on physics, although physical observation. Phong observed here for extremely shiny su

List out the merits of plasma panel display, List out the merits of Plasma ...

List out the merits of Plasma panel display?  Merits  Refreshing is not needed Produce a very steady image free of Flicker Less bulky than a CRT. Demerits

Education and training, explain in detail the application of computer graph...

explain in detail the application of computer graphics in education and training?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd