[mwm]

sir
i am facing a diffucultiy in computer graphics sir can u tell me what is the
H test” (highlight detection) in reference of Gouraud and Phong shading
i am reallyhelp of u to solve this i know the gouraud and phong shading but didnot understand the H test can u help me.

 

[Fr4665]

what do u know about the H Test so far ... im not teaching ill help out but www.google.com usually is your friend

 

[koala]

See if this helps.... http://www.cse.ttu.edu.tw/~jmchen/cg/docs/rendering pipeline/rendering/rast_phong.html

The test to check if a polygon is highlighted or not is called the highlight test or H test. The H test uses a vector called the halfway vector (H), which is the vector half way between the vector to the light source (light vector, L) and the vector to the viewpoint (view vector, V).