Autodesk AUTOCAD 2006, Command Reference Manual, Page: 349 / 1490

DIMBASELINE
Creates a linear, angular, or ordinate dimension from the baseline of the previous dimension
or a selected dimension
Dimension toolbar:
Dimension menu: Baseline
Command line: dimbaseline
If no dimension was created in the current session, you are prompted to select
a linear, ordinate, or angular dimension to use as the base for the baseline
dimension.
Select base dimension: Select a linear, ordinate, or angular dimension
Otherwise, the program skips this prompt and uses the dimension object that
was last created in the current session. If the base dimension is linear or
angular, the following prompt is displayed:
Specify a “Second Extension Line Origin” on page 325 or [“Undo” on page
326/“Select” on page 326] <Select>: Specify a point, enter an option, or press ENTER
to select a base dimension
If the base dimension is ordinate, the following prompt is displayed:
Specify “Feature Location” on page 326 or [“Undo” on page 326/“Select” on page
326] <Select>:
To end the command, press ENTER twice, or press ESC . The current
dimension style determines the appearance of the text.
Second Extension Line Origin
By default, the first extension line of the base dimension is used as the
extension line origin for the baseline dimension. To override this default
behavior, explicitly select the base dimension; the extension line origin
becomes the extension line of the base dimension closest to the pick point of
the selection. When you select a second point, the baseline dimension is
drawn and the Specify a Second Extension Line Origin prompt is redisplayed.
To end the command, press ESC . To select another linear, ordinate, or angular
dimension to use as the basis for the baseline dimension, press ENTER .
Select base dimension: Select a linear, ordinate, or angular dimension
Select a base dimension, or press ESC to end the command.
Viewpoint Presets Dialog Box | 325