Window/Point Select |
  
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Window/Point Select |
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Create > Window/Point Select allows you to window-select or point-select nodes and elements by clicking or clicking-dragging the left mouse button. The Window/Point Select command is the default selection command in the program.
Point versus Window
The point-selection selects or unselects at most one node or element. The window-selection selects or unselects a group of nodes or elements within a rectangular selection window.
Window Drawn Right-to-Left versus Left-to-Right
If the selection window is drawn from left to right, then only entities that are entirely within the selection rectangle will be selected/unselected.
If the selection window is drawn from right to left, then all entities that are crossed by the selection rectangle will also be selected or unselected.
Select versus Reverse Select
By default, the selection mode is REVERSE SELECT, that is, entities picked will be selected if they are currently unselected and will be unselected if they are currently selected. However, the selection mode will be SELECT if CTRL is pressed while selecting, that is, entities picked will always be selected.
The selection of nodes and elements is an important activity in the program. Most of the commands apply only to selected nodes or elements. For this reason, many selection methods are provided in the program and are explained in the following sections.
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