Computer Graphics Unit-5
transparency and shadows.
A transparent surface produces both reflected and transmitted light. 2. The relative contribution of the transmitted light depends on the degree of t…
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Computer Graphics Unit-5
Colour Consideration
The RGB color model is one of the most widely used color representation method in computer graphics. It use a color coordinate system with three prim…
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Computer Graphics Unit-5
Intensity Attenuation
1. Intensity attenuation refers to any reduction in the strength of a signal. 2. It is relatively compared with the attenuation of peak ground accele…
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Computer Graphics Unit-5
Warn model
1. The Warn model provides a method for simulating studio lighting effectsby controlling light intensity in different directions. 2. Light sources ar…
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Computer Graphics Unit-5
Rendering Method
Q: Explain rendering methods in detail. Write its advantage and disadvantage. Advantage of illumination method :- Fast Acceptable results Hardware su…
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Computer Graphics Unit-5
Phong Model
A more accurate method for rendering a polygon surface is to interpolate the normal vector and then apply the illumination model to each surface poin…
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Computer Graphics Unit-5
Specular Reflection
Specular reflection is a type of surface reflectance often described as a mirror-like reflection of light from the surface. In specular reflection, t…
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Computer Graphics Unit-5
illumination model
Illumination Models • Motivation: In order to produce realistic images, we must simulate the appearance of surfaces under various lighting conditio…
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Computer Graphics Unit-5
Area Subdivision Algorithm
It was invented by John Warnock and also called a Warnock Algorithm. It is based on a divide & conquer method. It uses fundamental of area cohere…
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Computer Graphics Unit-5
Scan Line Algorithm
It is an image space algorithm. It processes one line at a time rather than one pixel at a time. It uses the concept area of coherence. This algorith…
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Computer Graphics Unit-5
Hidden Surface Removal
One of the most challenging problems in computer graphics is the removal of hidden parts from images of solid objects. In real life, the opaque mater…
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Computer Graphics Unit-5
A-Buffer Method
A-Buffer method in computer graphics is a general hidden face detection mechanism suited to medium scale virtual memory computers. This method is als…
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Computer Graphics Unit-5
Z-Buffer or Depth-Buffer method
It is also called a Depth Buffer Algorithm . Depth buffer algorithm is simplest image space algorithm. For each pixel on the display screen, we keep…
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Computer Graphics Unit-5
Back-Face Detection
It is used to plot only surfaces which will face the camera. The objects on the back side are not visible. This method will remove 50% of polygons fr…
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