=====================
選取
=====================
:menuselection:`ALT --> &Tools --> 選取(&S)`

.. figure:: ../img/select_001.png
   :scale: 60%
   
全選
======================
將畫圖的所有物件全部選取,如圖所示,物件變紅色虛線表示被選擇.

.. rubric:: 快速鍵

:menuselection:`Ctrl + A`

.. rubric:: 指令

在指令列指令區輸入:
:menuselection:`sa -->Enter`

.. rubric:: 全選元件

.. figure:: ../img/select_002.png

全部取消選取
======================
將畫圖的所有物件全部取消選取,如圖所示,物件從紅色虛線變回白色.

.. rubric:: 快速鍵

:menuselection:`Ctrl + K`

.. rubric:: 指令

在指令列指令區輸入:
:menuselection:`tn -->Enter`

.. rubric:: 全部取消選取元件

.. figure:: ../img/select_003.png   

選取物件
======================

.. figure:: ../img/select_004.png


(取消)選擇輪廓
======================

.. figure:: ../img/select_005.png

框選
======================

.. figure:: ../img/select_006.png

取消框選
======================

.. figure:: ../img/select_007.png

選取交叉的物件
======================

.. figure:: ../img/select_008.png

.. figure:: ../img/select_009.png

取消選取交叉的物件
======================

.. figure:: ../img/select_010.png

(取消)選取圖層
======================


.. figure:: ../img/select_011.png

選擇指令列表
====================== 
                                                                                                
========================         ================================            ==========================================
動作                                工具                                          指令
========================         ================================            ==========================================
全選                               |select|                                     sa
全部取消選取                               |deselect|                                     tn
========================         ================================            ========================================== 


.. |Snapgrid| image:: ../img/Snapgrid.png
   :scale: 40%

.. |Snapcenter| image:: ../img/Snapcenter.png
   :scale: 40%

.. |Snapdist| image:: ../img/Snapdist.png
   :scale: 40%

.. |Snapendpoint| image:: ../img/Snapendpoint.png
   :scale: 40%

.. |Snapfree| image:: ../img/Snapfree.png
   :scale: 40%

.. |Snapintersection| image:: ../img/Snapintersection.png
   :scale: 40%

.. |Snapmiddle| image:: ../img/Snapmiddle.png
   :scale: 40%

.. |Snaponentity| image:: ../img/Snaponentity.png
   :scale: 40%

.. |Exclusive| image:: ../img/Exclusive.png
   :scale: 40%

.. |Enter| image:: ../img/Enter.png
   :scale: 10%
   
.. |Esc| image:: ../img/Esc.png
   :scale: 10%
   
.. |lenght_set| image:: ../img/cad_lenght_set.png
   :scale: 50%
   
.. |number| image:: ../img/number.png
   :scale: 50%

.. |select| image:: ../img/select.png
   :scale: 60%
   
.. |deselect| image:: ../img/deselect.png
   :scale: 60%