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405-00026-00iNspect Express User’s Manual

20 Rev 1600; 12 July 2010

Using the Angle Tool

The Angle tool measures the angle between two edges.

a. Click on the “Angle” button. Move the mouse over the image in the Work Area. You should

see sections of the edges in the image highlighted as you move across them. These are “edge

candidates” that you can use with Angle. Valid edges are straight lines only.

b. Find two edges that match your measurement. Click on the

first edge, then click on the second edge. iNspect draws in-

tersecting lines by using these two edges, and calculates the

angle between them. The curve drawn between the two

edges shows the angle measured.

c. When the angle tool is selected, you can drag the end points

if they are not exactly where you wanted. To increase accura-

cy of the angle measurement, move the end points so they are

not close together. The small boxes that appear around the

end points define the search area for locating the edge at each

endpoint. You can drag the solid squares at the corners

, to re-

size the box and increase the search area; but searching more

area increases the processing time. The smaller pink dots

show the samples for finding the edge at run time. You can

drag the solid square on one side of the search box to rotate

the box, changing the direction for finding the edge. A small

arrow on the opposite side of the box shows the direction.

d. When you hover the cursor over the curve, it turns red, the measured angle is displayed on

the image, and a message appears telling you to “Right-click to edit.”

e. Right-click on the highlighted curve. The Angle Properties box opens. In this box you can:

rename the angle measurement, set the tolerances for recycle and reject, change the “accura-

cy” (number of sampling points to find the edges at the end points; the pink dots).