2011

Obtain the Last-Specified Point
Quick Reference
See also:
■ Use the Command Prompt Calculator
Use the character in the expression to obtain the coordinate of the last point,
as shown in the following example:
Command: line
Specify first point: 'cal
>> Expression: cen+[0,1]
>> Select entity for CEN snap: Select a circle or an arc
Specify next point or [Close/Undo]: 'cal
>> Expression: +3*vec1(cen,cen)
The first point of the line is 1 unit in the Y direction from the center of the
first selected circle. The second point of the line is 3 units away from the first
point. The direction of the line is from the center of the first selected circle
to the center of the second selected circle.
Use Snap Modes in Arithmetic Expressions
Quick Reference
See also:
■ Use the Command Prompt Calculator
You can use Snap modes as parts of arithmetic expressions. The program
prompts you to select an object and returns the coordinate of the appropriate
snap point. Using arithmetic expressions with Snap modes greatly simplifies
entering coordinates relative to other objects.
162 | Chapter 4 C Commands