I always wondered why 3D points in OpenGL, Direct3D and in general computer graphics were always represented as (x,y,z,w) (i.e. why do we use four dimensions to represent a 3D point, whatâs the w for?). This representation of coordinates with the extra dimension is know as homogeneous coordinates.
Hydraulic, Pneumatic & Industrial Products | Parker, BVA, Brakequip. Hose & Fittings, Etc. is a Parker hydraulic and pneumatic parts distributor in California and Nevada, providing customers with solutions to hydraulic and pneumatic challenges and quality Parker parts since 1978. Product Updates
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