Units

 [UNITS DISTANCE MICRONS dbuPerMicron ;]

Specifies the conversion factor for converting DEF distance units into LEF distance units. It is used to scale coordinates within the DEF file to the database units stored in the technology database. A warning is output if the precision in the DEF file is greater than the precision in the technology database.

dbuPerMicron

This information corresponds to the database units per user-unit attribute for maskLayout view types. It is stored in the technology database. You obtain this information with:

   oaUInt4 oaTech::getDBUPerUU(const oaViewType *viewType) const

Where oacMaskLayout is the viewType value.