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Disadvantages:
1) Doubles memory needs, one for at least z-buffer and one for refreshes- buffer.
2) Dependency of device and memory intensive.
3) Wasted calculation upon drawing distant points such are drawn over along with closer points which occupy the similar pixel.
4) Spends time when rendering polygons such are not visible.
5) Needs re-calculations while changing the scale.
Intersection Test - Visible Surface Detection Test: It called Intersection Test also: we go for intersection test, if Min-max test fails. Now we take each edge individually
Unrepresentative vertex normals - Modeling and Rendering Calculated vertex normals may not adequately present the surface's geometry. For illustration, if we calculate vertex
Approaches to Area Filling Some other approaches to area filling are Scan line polygon fill algorithm Boundary fill algorithm Flood fill algorithm.
Define Affine transformation? A coordinate transformation of the form X= axxx +axyy+bx, y 'ayxx+ayy y+by is known as a two-dimensional affine transformation. Every of the tra
1. Design a bitmap for the English vowels A, E, I, O, U for two different sizes and then implement the bitmaps to plot these vowels on the display. Keep in mind that baseline of al
What is the difference between impact and non-impact printers? Impact printer press produced character faces against an inked ribbon on to the paper. A line printer and dot-ma
List of 3-D Animation Software Here is a short list of several 3-D animation software are - Softimage ( Microsoft) - Alias/Wavefront ( SGI) - 3D studia MAX (Autodesk
What is orthographic oblique projection? When the direction of the projection is not normal (not perpendicular) to the view plane then the projection is called as oblique proj
Character Generation You know that graphics displays often contain components which are text based. For example graph labels, annotations, descriptions on data flow diagrams,
Various cases of Cohen Sutherland Line Clippings Currently, we study how this clipping algorithm works. For the sake of simplicity we will tackle all the cases with the assist
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