### Constructing a Drop Point

A point can be constructed from any feature and a line (cone, cylinder or slot). PC-DMIS will drop the centroid of the first feature onto the second feature. The "dropped" point will be dropped on a line that is perpendicular to the line, centerline, or plane. If two line features are selected, PC-DMIS will drop the centroid of the first line feature onto the second line feature.

Note: For this construction method you must select feature types in the correct order.

To construct a Drop Point:

1. Access the Construct Point dialog box (Insert | Feature | Constructed | Point).

2. Select the Drop Point option from the list of options.

3. Select the first feature. It may be of any type.

4. Select the second feature. It must be of cone, cylinder, line, or slot.

5. Click the Create button.

The Edit window command line for this option would read:
CONSTR/POINT,DROP,feat_1,feat_2

Constructing a Drop Point from a Circle and a Line | A - Point is constructed by normally projecting circle, CIR1 (the designated point) to line, LINE1.

Note: If you select a slot as one of your input features, PC-DMIS will use the slot centerline vector when constructing this point instead of the slot normal vector (in versions 3.2 and earlier PC-DMIS used the slot normal vector). If you want to use the older slot normal vector, you will need to modify the value for the UseLegacySlotVector entry in the PC-DMIS Settings Editor. For information on how to do this, see the "Modifying Registry Entries" appendix.