What Is an HPGL File?
A file with the HPGLfile extensionis an HP Graphics Language file that sends printing instructions to plotter printers.
you’re able to also read HPGL files with Corel’sPaintShop Pro,ABViewer,CADintosh, andArtSoft Mach.

Considering how common these files are for plotters, the HPGL format is probably supported in most similar tools.
If that tool doesn’t work, you could do the same with the demo version ofHP2DXF.
Very similar to those two programs isViewCompanion.
It’s free for 30 days and also supports converting toDWF,TIF, and some other formats.
The HPGL Viewer program mentioned can also save the file toJPG,PNG,GIF, or TIF.
hp2xxis a free tool to convert HPGL files to graphics formats on Linux.
The center of the arc is described as100, 100and the starting angle is defined as50degrees.
Others can be seen inthis HP-GL Reference Guide.
Still Can’t initiate the File?
LGP is one example.
HPI files are similar but they require Hemera software to view them since they’re images.