Mouse

Figure 1. Mouse Options

From the drop-down menus on the Mouse tab, you can assign the following actions to the left button, , middle button, , right button, , and the mouse wheel .

None	Does not assign any features to the mouse button.
Arc ball	Rotates the graphic using the center of the window as the center point of rotation. The graphic rotates as the cursor is dragged and stops rotating when the cursor is at rest. When Arc Ball is assigned to a mouse control, a small white square appears in the center of the window. The cursor is displayed as .
Circle Zoom	Magnifies a selected section of the graphic. The cursor is displayed as .
Context Menu	Displays the context menu in the modeling window for frequently accessed functionality. You can add you own context menus by configuring the Preference file. See the *BeginContextMenu() topic for additional details.
Deselect	Deselects an entity.
M select
Mouse Settings	Displays the Set Mouse Controls dialog.
Pick center	Repositions the graphic in relation to the center of the screen. When Pick Center is assigned to a mouse control, a small white square appears in the center of the window. The cursor is displayed as .
Select	Selects an entity.
Targeted zoom
Translate	Enables you to reposition the graphic on the screen by dragging the mouse. The cursor is displayed as .
Tumble	Dynamically spins the graphic using the center of the window as the center point of rotation. The graphic continues to tumble as long as the mouse button and the assigned controls are pressed. When Tumble is assigned, a small white square appears in the center of the window. The cursor is displayed as .
Vertical zoom	Scales the graphic in relation to the vertical position of the pointer on the screen. The cursor is displayed as .
Wheel	Scroll wheel of the mouse. Used in combination with the Ctrl key on the keyboard, or for depth zooming with the Selector/Show/Hide/Isolate browser modes.
Window add pt	Adds a point to define a window. After defining a window, click inside or outside of the window to select entities.
Window del pt	Deletes a point from a defined window.
Window clear	Removes a window drawn on the model.

On the left side of the dialog box, None, Ctrl, Shift, and Ctrl + Shift are listed. If you select a function from the drop-down menu next to None, that function is enabled when you press the mouse button. If you select a function from the drop-down menu next to Ctrl, that function is enabled when you press the mouse button and the Ctrl key on the keyboard. Similarly, when you select a function from the drop-down menus next to Shift or Ctrl + Shift, those functions are enabled when you press the mouse button and the Shift key or the mouse button and the Ctrl + Shift keys simultaneously.

Pick Tolerance specifies the maximum distance, in pixels, that the cursor can be from a graphical entity in order to select it. When the pick tolerance is increased, it is easier to pick an entity.

Click Default to assign the default mouse control settings.