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PIGLET: Personal Interactive Graphic Editor, a 2d engineering CAD system with hierarchy
License: GNU General Public License v2.0
This project forked from omnister/piglet
PIGLET: Personal Interactive Graphic Editor, a 2d engineering CAD system with hierarchy
License: GNU General Public License v2.0
Piglet is a Piglet is a 2-D engineering drawing editor that supports hierarchical object description. It is inspired by Hewlett-Packard's proprietary HP PIGLET (Personal Interactive Graphic Layout EdiTor), which later became the commercial Graffy editor by DURST CAD. Piglet was widely used for PCB design, Integrated Circuit design and Microwave thin/thick film circuit development. In the days before Powerpoint, Piglet was also used for generating presentation slides. Piglet is a very nearly complete, from scratch, implementation of the original HP editor. It has unlimited hierarchy, unlimited layers, a versatile SHOW command for filtering the layers displayed. Piglet supports polygons, rectangles, circles and lines. Piglet reads autocad SHP font files and can output editable drawings in postscript, GERBER, HPGL, dxf and pdplot(1). It can also output screen captures in PNG and GIF format. There are very complete man pages for all the commands. I've used piglet to design several integrated circuits, PCB boards and lots of CNC projects. Exporting drawings using autocad fonts as pdplot coordinate files can be trivially edited into G-code, or used with my velocity profiling program "velo(1)" for directly driving stepper motors for engraving projects. The filled fonts look very professional. Piglet is small and lean, fitting on an old fashioned floppy (without the huge directory of SHP fonts). It is written in C and Xlib is a good readable/hackable example of a well-thought out professional graphics editor circa 1986.
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