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To specify error tolerance
1 Select the object with the Selection pointer, then click the Detail Edit tool. All the
points in the object appear.
2 Click Tools > Thin or select specific segments then click Detail Edit > Thin to open the
Thin dialog box.
3 Enter 10.0 in the Keep Corners Less Than text box.
4 Enter a value in the Error Tolerance.
5 Check Thin Lines or Lines to Curves.
Minimizing the error between remaining points after
thinning
The Check Error Between Points check box has two purposes:
♦ To minimize distortion between points when thinning
♦ To allow free-flowing curves when converting lines to curves
Minimizing distortion
The Check Error Between Points check box minimizes error distortion between points when
thinning. In the example, you can see that more points are removed when Check Error Between
Points is off. When the check box is on, fewer points are removed, but the shape more nearly
resembles the original.
Creating free-flowing curves
When Check Error Between Points is off, more points are removed. Because the program is not
required to minimize distortion, the curves flow freely between the points (do not hug the
original line segments). With Check Error Between Points on, the curves are constrained and
more nearly follow the original line segments.
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