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In the tree, select an operation.
You can also select a geometry in the 3D area.
In the following example, a point which is the reference point of a line is
selected. For more information, see Line Point Direction.
Interactive View |
Graph View |
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Press Ctrl, and select a second operation.
For example, a second point. 
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On the context toolbar, click Replace
.
The first operation is replaced with the second operation. As a consequence,
your geometry and the connections of your operations are updated.
Interactive View |
Graph View |
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