Boundary-fill algorithm or flood-fill algorithm , Computer Graphics

Assignment Help:

boundary-fill algorithm or flood-fill algorithm

As you saw the implementation of scan line polygon fill requires that boundaries should be straight line segments.  The seed fill algorithms do not require any such constraints.  You only need to know an interior point of the closed boundary object to fill it.  This interior point is called a seed point.

However, determination of interior point for complex polygons such as the one shown in figure itself is a challenging task.The following methods are used to determine an interior point of the area to be filled. 

1.  Odd-even rule,

2.  Nonzero winding number rule.

Once an interior point of the object is determined, the boundary-fill algorithm or, flood-fill algorithm may be applied to fill the given area.


Related Discussions:- Boundary-fill algorithm or flood-fill algorithm

Shading , short note on shading

short note on shading

Resolution - display devices, Resolution - Display Devices On a display...

Resolution - Display Devices On a display device, the resolution means the maximum number of points that can be displayed simultaneously without an overlap in a row and number

Types of graphic images, Types of Graphic Images: Graphic images have...

Types of Graphic Images: Graphic images have been processed through a computer can generally be divided in two distinct categories. That image is either bitmap files or vecto

Filled-area primitives - output primitives, Filled-Area Primitives  Fil...

Filled-Area Primitives  Filled-area primitives are one of the most important types of primitives used in Computer Graphics.  Basically filled-area primitives are meant to fill

Importance of multimedia, Importance of Multimedia: Multimedia will help i...

Importance of Multimedia: Multimedia will help in spreading the information age to millions of teachers/learners. Today Multimedia educational computing is fastest raising markets

Important points about the illumination model, Important points about the i...

Important points about the illumination Model An illumination model is also termed as lighting model and sometimes considered to as shading model, that is utilized to compute

Introduction of polygon rendering and ray tracing method, Introduction of P...

Introduction of Polygon Rendering and Ray Tracing Method Different type of sources of light and the reflections generated by the object in exposure of these sources. As an obje

#title., what is the working procedure of CRT with diagram

what is the working procedure of CRT with diagram

Find out projection matrix for oblique projection, Find Out Projection Matr...

Find Out Projection Matrix for Oblique Projection To find out projection matrix for oblique projection, we want to find out the direction vector d. Because vector PP' and vect

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