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
A compression fitting is a type of coupling used to connect two pipes or a pipe to a fixture or valve. It consists of three parts... the compression nut, the compression ring, and the compression seat. As you can see in the diagram at the left, the nut is slid onto the pipe, followed by the compression ring.