This property holds the current measurement units. This property
can take any of the following values:
 points (PostScript Points)  1/72 of an Inch
 twips (Twentieths of a Point)  1/20 of a PostScript Point
 didots (Didot Points)  1/72 of a French Royal Inch
 atapoints (ATA Points)  1/72.272 of an Inch
 texpoints (TeX Points)  1/72.27 of an Inch
 inpoints (l'Imprimerie Nationale Points)  0.4 mm
 picas  12 PostScript Points
 ciceros  12 Didot Points
 ataciceros  12 ATA Points
 texciceros  12 TeX Points
 microns  millionths of a metre
 mm  thousandths of a metre
 cm  hundredths of a metre
 m  metres
 inches
 feet
There are a variety of methods you
can use to change coordinate systems.
