PloComp displays HPGL, HPGL/2, and HP RTL graphic files. TIFF, JPEG, Bitmap, PCX, FPX, and PNG image file can be displayed. PloComp can display maximum of 15 file in piles. Or it can display in rranges. Display mode is overwrite, mixture color, difference, undisplay, mirror(on/off) at a file. By this function, two or more files are seen in piles, or you can check the difference between the drawing by different colors. The rotation, grid display are possible. The displayed screen can be copied to the lipboard. The display contents can be output to a HPGL plotter or Windows printer, and can be saved as TIFF, PDF, DXF, JPEG, Bitmap, IGES, EMF file. It is possible to insert and edit the comment (the straight line, the free curve, the rectangle, the long circle, text). The text can be searched with the wild card. The distance and the angle for the two pointed-out points can be measured. The width of the line, the distance between the central lines, the distance between the line edges, and the angle between the lines can be measured. You can search the line that is connected with the line by designating 1 line. You can request the length of the total line that searched it. The E-mail which attached the file currently seen can be sent.