Editing objects using multifunctional grips

Editing objects using multifunctional grips

Grips that can change editing mode by round robin in rotation are called multifunctional. Rotation of editing modes is carried out for the active (selected) grip using the CTRL button.
Multifunctional are grips that have an ability to change edit modes by Cyclingor by calling a Dynamic menu.
Cycling through the edit modes is carried out for the active (selected) grip by pressing the CTRL key.
A dynamic menuof the edit modes appears when you hover the cursor over the grip.

The dynamic menu items can be selected both by the mouse cursor, and by ARROW UP / ARROW DOWN keys on the keyboard.

The method of access to commands to edit objects using multifunctional grips (GRIPMULTIFUNCTIONAL system variable) is selected in the section Grips> Multifunctional grips of the Options dialogue box.

Objects which have multifunctional grips:

• line segment,
• arc,
• spline,
• polyline,
• hatch,
• viewport.
  

To edit objects with multifunctional grips:

1. Select an object.
2. Activate the multifunctional grip.
3. Press CTRL to select the editing variant.
4. Move the cursor for dynamic display of an object’s properties.
5. Click to confirm the change.

Segment editing

A line segment has multifunctional grips at the endpoint. Two editing modes are available:

• Normal mode: the length of the segment changes when you move the grip. In general, not only the segment length is changed, but also its orientation.
• Change of length: only the length of the segment changes when you move the grip. A new position for the endpoint is provided by the projection of the specified point along the segment’s imaginary extension. Segment orientation is not changed.
  
  
  

Arc editing

Multifunctional grips are at the endpoints and in the middle of the arc. Three editing modes are available:

• Normal mode: when you hold and move a grip on the end or middle point, the length and radius are changed:
  
• Change of arc length: when you hold and move a grip on the end point, only the length is changed:
  
• Change of arc radius and length, when you hold and move the grip on the middle point, an arc is created similar to the source arc:
  
  
  

Polyline editing

Polyline has multifunctional grips at the end of the segments and in the middle of the segments. Rotational editing modes, accessed with the CTRL button, depend on the location of the grips (end point or middle point) and segment type (linear or arc). For improved functionality, additional symbols are displayed beside the polyline shape and near the cursor. Which symbols are shown depends on the editing mode selected:

	Adds a vertex
	Deletes a vertex.
	Transforms a linear segment to an arc.
	Transforms an arc segment to linear.

Absence of a symbol means that the normal editing mode is current – stretching by moving a segment or stretching a vertex (depends on selected grip).

A multifunctional mode for editing polylines can be applied to several grips located in vertexes. Two editing variants are available: normal stretching of the polyline and deleting of selected vertexes. Instead of deleted vertexes, a linear segment is drawn, even if arc segments are between the deleted vertexes.

To edit several vertexes of a polyline using multifunctional grips:

1. Press SHIFT.
2. Select the required grips with SHIFT pressed.
3. When you finish selecting grips, release SHIFT.
4. Select a base grip.
5. Select an editing mode with CTRL.
6. Move the cursor for dynamic display of the polyline shape.
7. Click to fix changes.

Spline editing

Spline has two editing modes with grips:

• Editing of characteristic points (rectangular grips): permits to change the shape of a small part of the spline
• Editing of control vertexes (round grips): permits to change the general shape of a spine.

To switch between modes, click on a round grip located near the spline and having a bigger diameter than the grips of the control vertexes.

Polyline editing

Polyline has multifunctional grips at the end of the segments and in the middle of the segments. Rotational editing modes, accessed with the CTRL button, depend on the location of the grips (end point or middle point) and segment type (linear or arc). For improved functionality, additional symbols are displayed beside the polyline shape and near the cursor. Which symbols are shown depends on the editing mode selected:

	Adds a vertex
	Deletes a vertex.
	Transforms a linear segment to an arc.
	Transforms an arc segment to linear.

Absence of a symbol means that the normal editing mode is current – stretching by moving a segment or stretching a vertex (depends on selected grip).

A multifunctional mode for editing polylines can be applied to several grips located in vertexes. Two editing variants are available: normal stretching of the polyline and deleting of selected vertexes. Instead of deleted vertexes, a linear segment is drawn, even if arc segments are between the deleted vertexes.

To edit several vertexes of a polyline using multifunctional grips:

1. Press SHIFT.
2. Select the required grips with SHIFT pressed.
3. When you finish selecting grips, release SHIFT.
4. Select a base grip.
5. Select an editing mode with CTRL.
6. Move the cursor for dynamic display of the polyline shape.
7. Click to fix changes.

Spline editing

Spline has two edit modes using grips:

• Editing fit points (rectangular grips) that allows you to change the shape of a small part of a spline.
• Editing control vertices (round grips) that allows you to change the entire spline shape.
  

To switch between modes, click by a left mouse button on the round grip located near the spline and having a bigger diameter than the grips of control vertices.

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