Device Description

The CADplt Device Driver is an HP-GL command set driver. This driver is contained in the libddCADplt.a archive library or the libddCADplt.sl shared library. This driver provides hardware support for certain areas of functionality for Starbase graphics. All standard HP-GL command set devices should work properly with this driver. If CADplt does not work with your HP-GL plotter, try the HP-GL driver.

Hewlett-Packard has tested and supports the following HP-GL devices with HP-IB and serial RS-232 interfaces.

HP 7510A color film recorder
HP 7550A plotter
HP 7570A plotter
HP 7580B plotter*
HP 7585B plotter*
HP 7586B plotter
HP 7595A plotter
HP 7596A plotter
HP C1600A plotter
HP C1601A plotter
HP 7575A plotter
HP 7576A plotter

* For plotters with serial number 2402 or higher

Although this device driver and the libddhpgl.a device driver both access HP-GL devices, there are major differences between them. These differences are listed in the following table.

Table 1-1 CADplt and HP-GL Driver Features

Feature	CADplt	HP-GL
Supports all HP-GL devices	no	yes
Supports input operations	no	yes
Hardware polygon support	yes	no
Hardware rectangle support	yes	no
Hardware text support (`FLOAT_XFORM` interface only)	yes	no
Roll paper support	yes	no
Isotropic spooling	yes	no
HP-GL error checking	yes	no

Device Description

Technical documentation

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