6. 4GL System Constants
 
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4GL System Constants
Overview
This chapter contains a list of 4GL system constants that you can use (or retrieve) as the values of attributes of various OpenROAD system classes. In addition to the name of each constant, the section lists the numeric equivalent. You can use this number in place of the name of the constant to set an attribute. When you retrieve a system constant as the value of an attribute, OpenROAD returns only the numeric equivalent.