Estimate general light such as bouncing around scene, Computer Graphics

Assignment Help:

identify a sphere along with a light source above it; hence its lower half will not be illuminated. In practice in a actual scene this lower half would be partially illuminated through light which had been reflected from the other objects. This consequence is approximated in a local illumination model via adding a term to estimate this general light such is 'bouncing' around the scene. This term is termed as the ambient reflection term and is modeled through a constant term. Again the amount of ambient light reflected is dependent upon the properties of the surface. This is to be noticed that if Ia → intensity of ambient light; Ka → property of material as Ambient reflection coefficient ka , 0 < ka < 1 then consequential reflected light is a constant for all surfaces individual of viewing direction and spatial orientation of surface.

As like:     

Ia → Intensity of ambient light.

I → Intensity of reflected ambient light

This is assumed here Ia ≠ 0 (Q Ia = 0 ⇒ such does not exit any light)

I a Ia ⇒ I = Ka Ia;

Ka → constant; 0 ≤ Ka ≤ 1

Ka = 0 ⇒ object has absorbed the entire incident light. Ka = 1 ⇒ object has reflected the entire incident light.

0 ≤Ka ≤1 ⇒ object has reflected several and absorbed light.


Related Discussions:- Estimate general light such as bouncing around scene

Basic tests - producing polygon surface, Basic Tests - Producing Polygon Su...

Basic Tests - Producing Polygon Surface A few basic tests that must be performed before producing a polygon surface through any graphic package as: 1) All vertexes are list

Displacement mapping, Implement displacement mapping and bump mapping on a ...

Implement displacement mapping and bump mapping on a sphere. The displacement can be whatever your choice. The bump map can be whatever your choice as well.

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

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

Morphing - key frame systems, Morphing - Key Frame Systems Transformati...

Morphing - Key Frame Systems Transformation of object shapes from one form to the other is termed as morphing as short form of metamorphism. This method can be applied to any o

Non-zero accelerations - computer animation, Non-Zero Accelerations - Compu...

Non-Zero Accelerations - Computer Animation This method of simulating the motion is fairly helpful introducing the realistic displays of speed changes, particularly at the sta

Orientation dependence - modeling and rendering, Orientation Dependence - M...

Orientation Dependence - Modeling and Rendering The outcomes of interpolated-shading models are dependent of the projected polygon's orientation. Because values are interpolat

Graphic interchange format (gif), Graphic Interchange Format (GIF): The Gr...

Graphic Interchange Format (GIF): The Graphic Interchange Format is an efficient implies to transmit images across data networks. In the early 1990 year the original designers of

Specular reflection - polygon rendering & ray tracing method, Specular Refl...

Specular Reflection - Polygon Rendering & Ray Tracing Methods Specular reflection is while the reflection is stronger in one viewing direction that is a bright spot, termed

Serial line db9 connector, Main Objectives of this connector is to allow fu...

Main Objectives of this connector is to allow full duplex communication between peripherals that uses such connector such PIC Demo board, ICD2 Debugger etc. The RS32 connector pin

Low level techniques or motion specific, Low Level Techniques or Motion Spe...

Low Level Techniques or Motion Specific These techniques are utilized to control the motion of any graphic element in any animation scene completely. These techniques are also

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