AM_DIM_COMMON_LOCATION sets the default position of dimension text
relative to the dimension line.
----->(AM_DIM_COMMON_LOCATION)----+---(:ON)-------+----->
| |
+---(:BELOW)----+
| |
+---(:ABOVE)----+
- :ON places the dimension text on the broken dimension line.
- :BELOW places the dimension text below the dimension line.
- :ABOVE places the dimension text above the dimension line.
Use this action to set the location of dimension text with
respect to the dimension lines of subsequently-created dimensions.
AM_DIM_COMMON_ORIENTATION terminate action