Outline colors are limited to eight: The original HP-GL language did not support definition of line width, as this parameter was determined by the pens loaded into the plotter. Typical HP-GL files start with a few setup commands, followed by a long string of graphics commands. Corel programs support numerous dotted, dashed, and solid line types of the PLT file format. This page was last edited on 10 December , at
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HPGL Plotter File (PLT)
A fourth optional parameter not used here specifies how far the arc continues, and defaults to 5 degrees. A setting of 0. You can change the color assignments by choosing the pen and then choosing a new color for that pen from the Pen color list box.
ployter This format uses a scaling factor of 1, plotter units to 1 inch. Typical HP-GL files start with a few setup commands, followed by ploter long string of graphics commands.
It is used in programs such as AutoCAD for printing drawings on plotters. Archived PDF from the original on The Pen selection list contains pens, although not all of the pens may be assigned.
The value can be very precise; up to eight decimal places are accepted. Corel programs support versions 1 and 2 of PLT file formats although some features of version 2 are not supported.
Unsourced material may be challenged and removed. The PLT file format does not contain color information. Was this page helpful? Also, among other improvements plotted binary file format was defined that allowed for smaller files and shorter file transfer times, and the minimal resolution was reduced.
The pattern number of a line in a PLT file is translated to a line type pattern. You can specify the color assigned to a particular pen, so that you can match the original colors of jpgl graphic.
The language is formed from a series of two letter codes, followed by optional parameters. Type a filename in the File name list box.
In the HPGL options dialog box, adjust any of the settings. Choosing Custom colors brings up a color definition dialog box that allows you to define a plotfer color according to RGB values. Dotted lines, dashed lines, and arrowheads are mapped to standard line types of the PLT file format. You can change the pen velocity by choosing the pen and then choosing a new velocity for that pen from the Pen velocity list box.
With the advent of the first inkjet plotters, line width for the “pens” specified within the HP-GL files had to be set at the printer so it would know what line width to print for hplg pen, a cumbersome and poltter process.
Plotter Driver Capabilities
AGL was implemented on Hewlett-Packard minicomputers to simplify controlling a plotter. Views Read Edit View history. AGL commands describe the desired graphics plotting function, which plotrer computer relays as several HP-GL instructions to the plotter. You can change the pen width assignments by choosing the pen and then choosing a new width for that pen from the Pen width list box.
You can also reset the current Pen Library pen settings to the previously saved settings. From Wikipedia, the free plottre.