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
Black fittings (black malleable iron fittings) are used to make connections to black iron pipe. Black iron pipe is used to transport natural and propane gas from the street or a tank to the home. Black iron pipe is also a popular choice in fire sprinkler systems due to its high heat resistance and for water supply lines due to its resistance to water damage.