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QCad User Reference Manual
 
   

15 Entity Selection

The selection tools documented in this chapter are used to select entities for later modification. For example if you want to move some entities, you need to select them before you can do so. The selection tells QCad which entities you intend to move.
Selected entities are highlighted in the graphic view with red color and a unique tight dotted line pattern.

Deselecting All

CAD Toolbar:


Menu:

Select - Deselect All

Command:

?

Description:

Deselects all entities on all currently visible layers. Use this tool to make sure that no entities are selected.

Selecting All

CAD Toolbar:


Menu:

Select - Select All

Command:

?

Description:

Selects all entities on all currently visible layers.

Selecting Single Entities

CAD Toolbar:


Menu:

Select - Select Entity

Command:

?

Description:

Selects single entities.

Procedure:

  • Use the mouse to specify the entities to select. If you click an entity that is already selected it will get deselected.

Selecting Contours

CAD Toolbar:


Menu:

Select - (De-)Select Contour

Command:

?

Description:

Selects or deselects entities that are connected to each other and form a contour (closed or open).

Procedure:

  • Use the mouse to pick one entity of the contour you want to select. The algorithm then searches from the endpoints of the selected entity in both directions for entities that are connected to this entity. All connected entities get selected if the entity you picked was unselected. Otherwise the whole contour will be deselected.

Window Deselection

CAD Toolbar:


Menu:

Select - Deselect Window

Command:

?

Description:

Deselects all entities that are entirely within a given window.

Procedure:

  1. Click the first corner of the window using the left mouse button.
  2. Drag the mouse to the other corner.
  3. Click the second corner of the window.

Window Selection

CAD Toolbar:


Menu:

Select - Select Window

Command:

?

Description:

Selects all entities that are entirely within a given window.

Procedure:

Analog to deselecting entities in a window.

Inverting Selection

CAD Toolbar:


Menu:

Select - Invert Selection

Command:

?

Description:

Selects all unselected entities and deselects all selected entities.

Deselect Intersected Entities

CAD Toolbar:


Menu:

Select - Deselect Intersected

Command:

?

Description:

Deselects all entities that are intersected by a line.

Procedure:

  1. Set the startpoint of the line using the left mouse button.
  2. Drag the mouse to the endpoint of the line.
  3. Set the endpoint of the line. All entities that are intersected by the line you've just drawn will be deselected.

Select Intersected Entities

CAD Toolbar:


Menu:

Select - Select Intersected

Command:

?

Description:

Selects all entities that are intersected by a line.

Procedure:

Analog to deselecting intersected entities.

   
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