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creo4 Drawing Setup option documentation for: TOL_TEXT_HEIGHT_FACTOR            

(Also MBD)

tol_text_height_factor

Sets the default ratio between the dimension text height and the tolerance text height when showing the tolerance in plus-minus and +- symmetric formats.
1. Dimension text height
2. Tolerance text height
Default and Available Settings:
standard* - Creo Parametric uses 1 for the ANSI standard and .6 for the ISO standard. You can specify a value greater than zero.
 
* When you show the tolerance in a plus-minus format for a dimension with ISO standard, if you set the value of this Detail option as the default value (standard), the ratio between the tolerance text height and the dimension text height is 0.6, in the following cases:
The dimension has parallel orientation.
The dimension has the default orientation. However, the text orientation is set as parallel using its corresponding Detail option. For example, for a linear dimension with default orientation, the value of the default_lindim_text_orientation is set as parallel_to_and_above_leader or parallel_to_and_below_leader.
Set the value of this Detail option as 1 so that the tolerance text height is the same as the dimension text height for dimensions with parallel orientation.