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== 主視圖 == 

以下是在OpticalRevEngDental軟體中選定網格圖的3D操作實例.

{{Screenshot|Dental_2_5_interactor..jpg}}

以下方式均可與3D視圖互動:滑鼠與鍵盤,背景選單,視圖選單及視圖工具列.

=== 滑鼠操作 === 

用戶可通過滑鼠或由背景選單,視圖選單和視圖工具列中的具體工具選項改變3D物件的方位.

以下提供滑鼠/鍵盤組合鍵表列:

* {{Inline button|Mouse_middle.png}} + {{Inline button|Mouse_right.png}} 或 {{Inline button|Key_alt.png}} + {{Inline button|Mouse_right.png}}: 顯示2D鏡頭
* {{Inline button|Mouse_middle.png}}: 自由旋轉3D物件鏡頭
* {{Inline button|Key_ctrl.png}} + {{Inline button|Mouse_middle.png}}: 旋轉3D視圖的Y軸
* {{Inline button|Key_alt.png}} + {{Inline button|Mouse_middle.png}}: 旋轉3D視圖的X軸
* {{Inline button|Key_shift.png}} + {{Inline button|Mouse_middle.png}}: 旋轉3D視圖的Z軸
* {{Inline button|Mouse_middle_rotating.png}}: 縮放
* {{Inline button|Mouse_right.png}} : 進入上下選單
* {{Inline button|Key_ctrl.png}} + {{Inline button|Mouse_right.png}}: 改變3D視圖中的光源位置
* {{Inline button|Mouse_left.png}} : 使用目前工具 (例如:矩形選擇,填洞等.)
* {{Inline button|Key_ctrl.png}} +  {{Inline button|Mouse_left.png}}  : 如果可用,反轉當前工具 (例如: 取消點選代替點選等)
* {{Inline button|Key_shift.png}} + 數字鍵 1 到 7 : 改變3D視圖的默認視角(如:前視,後視,頂視等.)

在軟體選項中,我們提供了一個 "Alternative Interaction" 模式以互換滑鼠中鍵與滑鼠右鍵,用於提供類似其他CAD軟體的操作環境.

=== 上下選單與視圖選單 === 

視圖選單與3D背景選單包含一些用於3D視圖的操作工具

* '''Frame All''' ({{Inline button|Key_ctrl.png}} + A) : the 3D camera will move to show, on the screen, all the current selected 3D Objects
* '''Rotation On View''' : if this option is enabled, the rotation will ignore the current selected 3D Objects; if it is disabled, the center of the rotation will be the baricenter of the selected 3D Objects
* '''Area Frame Tool''': this tool allows to draw with {{Inline button|Mouse_left.png}} a rectangle. The rectangle will become the new camera view.
* '''Center View''' ({{Inline button|Key_ctrl.png}} + P)  : the currently selected 3D Objects are moved at the center of the screen without changing their Zoom
* '''Standard Poses''' : sub-menu to apply default 3D views:
** '''Front''' ( {{Inline button|Key_alt.png}} + 1)
** '''Back''' ( {{Inline button|Key_alt.png}} + 2)
** '''Top''' ( {{Inline button|Key_alt.png}} + 3)
** '''Bottom''' ( {{Inline button|Key_alt.png}} + 4)
** '''Left''' ( {{Inline button|Key_alt.png}} + 5)
** '''Right''' ( {{Inline button|Key_alt.png}} + 6)

The context menu contains other tools described in the [[Man_DataEditing|Data Editing]] page.

=== Data Information Window === 

In the view menu, it is possible to enable the '''Data Information Window''' with the ''View Data Window ({{Inline button|Key_ctrl.png}} + {{Inline button|Key_alt.png}} + I)'' action.

{{Screenshot|Dental 2 5 datainfowindow.jpg}}

This window provides some information about the current selected 3D Objects.

* '''Description''': a line that describes the type of the currently selected objects (E.g. Triangle Mesh: 2, Range Images: 6, etc.)
* '''Points''': the number of points of the currently selected objects
* '''Faces''': the number of faces, available only for triangle meshes
* '''Selected''': the number of selected points/faces of the currently selected objects
* '''Size and Position''': the minimum/maximum coordinates of the volume of the currently selected objects, and their size in every direction

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