Measurement and coordinate units
Lets you set the units (like mm or inches) to be used by the drawing functions. It also contains the functions that you’d call to increase the precision of the objects used within the PDF. If you’re an architect you may want to look at doing this – or if you’re extremely anal, this might also interest you.
AddLGIDictToPageDeletePageLGIDict
GetOrigin
GetPageLGIDictContent
GetPageLGIDictCount
MultiplyScale
SetMeasurementUnits
SetOrigin
SetPrecision
SetScale