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subdivision algorithm - visible surface detection1 initialize the area to be the whole screen2 create a pvpl regarding an area sorted on zmin as the
removing polygons hidden through a surrounding polygonthe key to capable visibility calculation lies actually a polygon is not visible whether it is
cases for subdivisions of polygonno additional subdivisions of a particular area are desired if one of the subsequent conditions is true ascase 1 all
object space - approaches for visible surface determinationthe second approach as object-space that compares all objects directly along with each
image space approach -approaches for visible surface determinationthe initial approach as image-space determines that of n objects in the scene is
basic approaches for visible surface determinationthere are two basic approaches for visible-surface determination as per if they deal along with
algorithms for identification of observable objectsthere are various algorithms for identification of observable objects for various types of
visible surface detection - modeling and rendering provided a set of 3-dimentional objects and a viewing position for the generation of realistic
introduction of curves and surfacesthis section has covered the methods of generating polygons closed and curves surfaces under those methods we have
important points about the surface of revolutiona if a point on base curve is given by parametric form that are xu yu zu so surface of revolution
surface of revolution - modeling and renderingin the previsions sections we have learned different type of techniques of generating curves although
curve segment - properties of bezier curvesnote1 the joining point on the curve along wrt the parameter based upon second derivates of qt is the
geometric continuity - properties of bezier curvesgeometric continuity is the other process to join two successive curve sections g0 continuity is
to prove olinep 1 pnsolution since in the above case we determine each term excluding bnn u will have numerous of 1 - ui i 0 to n consequently by
important points about the bezier curves - modeling and rendering1 generalizing the idea of bezier curve of degree at n based upon n1 control point
specified p0 1 1 p1 2 3 p2 4 3 p3 3 1 as vertices of bezier curve find out 3 points on bezier curvesolution we consider cubic bezier curve asp u p0
bezier curves - modeling and renderingbezier curves are utilized in computer graphics to turn out curves which display reasonably smooth at all
bezier curves and surfaces we had discussed in the previously that we can create complicated geometries along with the aid of polygon meshes that are
plane equation - spatial orientation of the surface elementfor some of plane equation procedures we have information regarding the spatial
plane equation - curves and surfaces plane is a polygonal surface that bisects its environment in two halves one is termed to as forward and another
basic tests - producing polygon surfacea few basic tests that must be performed before producing a polygon surface through any graphic package as1
types of polygon tables curves and surfacesattribute tables this table has object information as transparency surface reflexivity texture features of
polygon tables - curves and surfacesall polygons are analogous to a graph g v e remember that the analogy in which a polygon surface can be specified
polygon representation methods - modeling and renderingany scene to be created by computer graphics may include a variety of objects a few of them
objectives of curves and surfaces - modeling and renderingafter going through the section you should be capable to implement the methods utilized to