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■ Basic: Creates a basic dimension, which displays a box around the full
extents of the dimension. The distance between the text and the box is
stored as a negative value in the DIMGAP system variable.
Precision
Sets the number of decimal places. (DIMTDEC system variable)
Upper Value
Sets the maximum or upper tolerance value. When you select Symmetrical in
Method, this value is used for the tolerance. (DIMTP system variable)
Lower Value
Sets the minimum or lower tolerance value. (DIMTM system variable)
Scaling for Height
Sets the current height for the tolerance text. The ratio of the tolerance height
to the main dimension text height is calculated and stored in the DIMTFAC
system variable.
Vertical Position
Controls text justification for symmetrical and deviation tolerances.
■ Top: Aligns the tolerance text with the top of the main dimension text.
When you select this option, the DIMTOLJ system variable is set to 2.
642 | Chapter 5 D Commands