Group Subtraction

Group subtraction produces a group containing all elements of the main groups but not present in the tool groups. To create a Group Subtraction in the active part:

  1. select in the Main Menu Features - > Group Subtraction item or

  2. click group_substraction.icon Group Subtraction button in the toolbar:

The following property panel appears.

../_images/group_substraction_property_panel.png

Create a group subtraction operation

Input fields:

  • Name defines the name of the group, by default, it is GroupSubstraction_n.

  • The list of main groups. Multiple selection can be done manually in OCC 3D Viewer by mouse click with Shift button pressed or by rectangle selection. To delete entities from the list, select them and call pop-up menu Delete item.

  • The list of tool groups. Selection approaches are the same as for the main groups.

Note, that operation is valid only if all the main groups and all the tool groups have the same type.

TUI Command:

model.addGroupSubstraction(Part_1_doc,
[model.selection("COMPOUND", "Group_1"), model.selection("COMPOUND", "Group_2")],
[model.selection("COMPOUND", "Group_3"), model.selection("COMPOUND", "Group_4")])
Parameters

  • part – The current part object

  • list – A list of main groups

  • list – A list of tool groups

Returns

Created group.

See Also a sample TUI Script of Create Group Subtraction operation.