• PDF Line Weight Inaccuracies

    When comparing PDF files with different resolutions, the line widths in the resulting PDF files can vary.  The following explains why this occurs.

    A  'point' is 1/72 of an inch. This is the common unit of measurement in PostScript and PDF.

    The printer driver configuration specifies print widths in millimeters.  These are converted to pixels by converting to inches, multiplying by the DPI, and rounding to the nearest…

    • Tue, Mar 1 2011