Plt viewer-it loads a plt file and shows it on a canvas, allows single vector tracing

source code provided library for using in Delphi and C++Builder applications. 2D and 3D CAD formats, including AutoCAD® DWG/DXF, Autodesk® DWF, Hewlett-Packard® HPGL/HPGL2, PLT, HGL, STEP, IGES, STL, ACIS SAT, BREP, CGM, SVG etc. are supp