# Deviation

[Deviation] command evaluates a deviation between two curves. The deviation means that the shortest length between all of the pairs (P1, p2) where p1 is a point on Curve 1 and P2 is a point on Curve 2.

## Step 1

For the prompt "Select 1st curve.", select 1st curve to measure.

## Step 2

For the prompt "Select 2nd curve.", select 2nd curve to measure.

After the selection, command will depict the deviation on the screen. A line that connect the shortest two points and the length will be drawn.

The pictures of the deviation remain depicted after the command exit. To erase this pictures, use [Erase Analytic Information Display]