The Hewlett-Packard Raster Transfer Language (HP RTL) is a subset of the
Printer Command Language
Printer Command Language, more commonly referred to as PCL, is a page description language (PDL) developed by Hewlett-Packard as a printer protocol and has become a ''de facto'' industry standard. Originally developed for early inkjet print ...
(PCL) language. It is used to embed true raster images (bitmaps) into
plotter
A plotter is a machine that produces vector graphics drawings. Plotters draw lines on paper using a pen, or in some applications, use a knife to cut a material like vinyl or leather. In the latter case, they are sometimes known as a cutting ...
files. Modern plotters (like HP DesignJets) are raster devices, so they need a raster-based language. For backward compatibility they also support the
HP-GL/2
HP-GL, short for Hewlett-Packard Graphics Language and often written as HPGL, is a printer control language created by Hewlett-Packard (HP). HP-GL was the primary printer control language used by HP plotters. It was introduced with the plotteHP-89 ...
(formerly
HP-GL
HP-GL, short for Hewlett-Packard Graphics Language and often written as HPGL, is a printer control language created by Hewlett-Packard (HP). HP-GL was the primary printer control language used by HP plotters. It was introduced with the plotteHP-8 ...
) vector language, so the HP RTL language is designed for mixing with the HP-GL/2 language.
Further reading
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External links
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{{Authority control
Raster Transfer Language
Page description languages