Page 277 - Chief Architect Reference Manual

Union, Intersection, and Subtract

4. Click and drag a temporary line to act as
a fence, trimming the object segments
intersected by it.

Union, Intersection, and Subtract

New closed polyline-based There are two methods of combining closed
objects and solids can be polylines or solids using the Polyline
created based on existing closed polyline- Union edit button: the single selection
based objects of the same type or solid and group selection methods.
objects. The Polyline Union, Polyline
Intersection and Polyline Subtract edit Begin by creating two or more overlapping
tools are provided for this purpose. objects of the same type. If one object is a
countertop, for example, the others should be
countertops, as well.
Note: The Union Intersection and Subtract
edit tools are not available for objects speci- If the original objects do not overlap, they
fied as holes, such as Slab Holes or Custom will either not produce a new object or will
Countertop Holes.
be duplicated on top of themselves.
Polyline Union To use the single selection method
Use the Polyline Union edit button to 1. Select a single closed polyline or solid
combine two or more closed polylines object.
or solids into a single object.
The following example shows three closed 2. Click the Polyline Union edit
polylines and the single closed polyline that button.
results when the three are merged using the 3. Click another closed polyline or solid.
Polyline Union edit button. 4. If the object is a polyline, a message box
will let you choose to either retain or
delete the original objects.
5. A new polyline of the same type as the
originals is created and is selected. Its
shape is defined by the boundaries of the
original objects. If the original objects
were retained, it is superimposed over
them and can be moved.

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