PloView is viewer for viewing drawing of HPGL,PDF,DXF,GERBER,IGES,TIFF,JPEG file. Color and width change, black and white / color change, background color change, pen ON/OFF. Merge ON/OFF. Rotation, mirror, grid displaying. Thumbnail displaying. Measurement function. Connected line search. Multi-page. Output:PDF,HP-GL/2,EMF,TIFF,DXF,DWG,JPEG,Bitmap,IGES,Printer,Plotter. It has about the same powerful input and edit function as 2D-CAD.