TechDraw LeaderLine: Difference between revisions

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|Workbenches=[[TechDraw_Workbench|TechDraw]]
|Workbenches=[[TechDraw_Workbench|TechDraw]]
|Version=0.19
|Version=0.19
|SeeAlso=[[TechDraw_RichTextAnnotation|TechDraw Rich Text Annotation]], [[TechDraw_WeldSymbol|TechDraw Welding Symbol]], [[TechDraw_LineGroup|TechDraw Line Group]]
|SeeAlso=[[TechDraw_RichTextAnnotation|TechDraw RichTextAnnotation]], [[TechDraw_WeldSymbol|TechDraw WeldSymbol]]
}}
}}


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<translate>
<translate>
<!--T:9-->
<!--T:9-->
{{Caption|Leaderline added to View001}}
{{Caption|Leaderline added to a View}}


==Usage create== <!--T:3-->
==Usage create== <!--T:3-->
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# Optionally add more points.
# Optionally add more points.
# If you have not double-clicked a point: press the {{Button|Save Points}} button.
# If you have not double-clicked a point: press the {{Button|Save Points}} button.
# Optionally change the '''Start Symbol''', '''End Symbol''', '''Color''', '''Width''' and '''Style''' of the leader. See [[#Properties|Properties]].
# Optionally change the '''Start Symbol''', '''End Symbol''', '''Color''', '''Width''' and '''Style''' of the leader. See [[#Properties|Properties]] for more information.
# Press the {{Button|OK}} button.
# Press the {{Button|OK}} button.


==Usage edit==
==Usage edit== <!--T:27-->


<!--T:25-->
<!--T:25-->
# Select the Leaderline in the document tree and double-click on it.
# Double-click a Leaderline in the [[Tree_view|Tree view]].
# A task panel opens.
# A dialog will open where you can change the appearance.
# To edit the points:
# To edit the points, click on {{Button|Edit points}} and the line points become visible in the drawing.
## Press the {{Button|Edit points}} button.
# Drag the points to a place you like and finish the change by clicking on {{Button|Save changes}}.
## The Leaderline is marked with temporary nodes.
## Drag one or more of the nodes to a new position.
## Press the {{Button|Save changes}} button.
# Optionally change the '''Start Symbol''', '''End Symbol''', '''Color''', '''Width''' and '''Style''' of the leader. See [[#Properties|Properties]] for more information.
# Press the {{Button|OK}} button.


==Notes== <!--T:26-->
==Notes== <!--T:26-->


<!--T:18-->
<!--T:18-->
* You cannot add or remove points from an existing Leaderline.
* If you did not define any points when creating the leaderline, a short line will be placed at the center of the view. You can later not add further points.
* If no points were specified at creation time a short line is placed at the center of the View. There is no way to fix such a line, it should be deleted.
* By default the [[TechDraw_Preferences|preferences]] option '''Leader Line Auto Horizontal''' is activated. Therefore the last line segment will be horizontal. So if you only have one segment, you get a horizontal line, no matter where you picked the second point.
* By default the '''Leader Line Auto Horizontal''' [[TechDraw_Preferences#Annotation|preference]] is checked. This means that the last line segment of new Leaderlines is drawn horizontally. If there is only one segment the result is then a single horizontal line.
* You can turn off the auto horizontal feature for existing Leaderlines changing the {{PropertyData|Auto Horizontal}} property.
* You can turn off this auto horizontal feature for existing Leaderlines by changing their {{PropertyData|Auto Horizontal}} property.


==Properties== <!--T:19-->
==Properties== <!--T:19-->


<!--T:20-->
===Data=== <!--T:28-->

* {{PropertyData|X,Y}}: The point at which the leaderline is connected to the View.
<!--T:29-->
* {{PropertyData|Leader Parent}}: The View to which the leader is attached.
{{Properties_Title|Base}}
* {{PropertyData|Start Symbol}}: The symbol at the start: [[Image:Arrownone.svg|20px]] None, [[Image:Arrowfilled.svg|20px]] Filled Arrow, [[Image:Arrowopen.svg|20px]] Open Arrow, [[Image:Arrowtick.svg|20px]] Tick, [[Image:Arrowdot.svg|20px]] Dot, [[Image:arrowopendot.svg|20px]] Open Circle, [[Image:arrowfork.svg|20px]] Fork, [[Image:arrowpyramid.svg|20px]] Filled Triangle

* {{PropertyData|End Symbol}}: The symbol at the end.
<!--T:30-->
* {{PropertyData|WayPoints}}: Nodes on the leaderline.
* {{PropertyData|Start Symbol|Enumeration}}: The symbol at the start of the leaderline. Options: [[Image:Arrowfilled.svg|20px]] Filled Arrow, [[Image:Arrowopen.svg|20px]] Open Arrow, [[Image:Arrowtick.svg|20px]] Tick, [[Image:Arrowdot.svg|20px]] Dot, [[Image:arrowopendot.svg|20px]] Open Circle, [[Image:arrowfork.svg|20px]] Fork, [[Image:arrowpyramid.svg|20px]] Filled Triangle, None.
* {{PropertyData|Scalable}}: Leader scales with Leader Parent.
* {{PropertyData|Auto Horizontal}}: Forces last leaderline segment to be horizontal.
* {{PropertyData|End Symbol|Enumeration}}: The symbol at the end of the leaderline. Idem.
* {{PropertyView|Color}}: Pen colour for the leaderline.
* {{PropertyData|X|Distance}}: The X coordinate of the leaderline relative to the View.
* {{PropertyData|Y|Distance}}: The Y coordinate of the leaderline relative to the View.
* {{PropertyView|Line Style}}: 0 NoLine, 1 [[Image:Continuous-line.svg|20px]] Continuous, 2 [[Image:Dash-line.svg|20px]] Dash, 3 [[Image:Dot-line.svg|20px]] Dot, 4 [[Image:DashDot-line.svg|20px]] DashDot, 5 [[Image:DashDotDot-line.svg|20px]] DashDotDot

* {{PropertyView|Line Width}}: Width of leaderline.
<!--T:31-->
{{Properties_Title|Leader}}

<!--T:32-->
* {{PropertyData|Leader Parent|Link}}: The View the leaderline is attached to.
* {{PropertyData|Way Points|VectorList}}: The points of the leaderline.
* {{PropertyData|Scalable|Bool}}: Specifies if the leaderline scales with {{PropertyData|Leader Parent}}.
* {{PropertyData|Auto Horizontal|Bool}}: Specifies if the last leaderline segment is forced to be horizontal.

===View=== <!--T:33-->

<!--T:34-->
{{TitleProperty|Base}}

<!--T:35-->
* {{PropertyView|Keep Label|Bool}}: Not used.
* {{PropertyView|Stack Order|Integer}}: Over or underlap relative to other drawing objects. {{Version|0.21}}

<!--T:36-->
{{TitleProperty|Line Format}}

<!--T:37-->
* {{PropertyView|Color|Color}}: The color of the leaderline.
* {{PropertyView|Line Style|Enumeration}}: The style of the leaderline. Options: NoLine, [[Image:Continuous-line.svg|20px]] Continuous, [[Image:Dash-line.svg|20px]] Dash, [[Image:Dot-line.svg|20px]] Dot, [[Image:DashDot-line.svg|20px]] DashDot, [[Image:DashDotDot-line.svg|20px|Length]] DashDotDot.
* {{PropertyView|Line Width|Length}}: The width of the leaderline.


==Scripting== <!--T:6-->
==Scripting== <!--T:6-->

Latest revision as of 10:03, 27 July 2023

TechDraw LeaderLine

Menu location
TechDraw → Add Lines → Add Leaderline to View
Workbenches
TechDraw
Default shortcut
None
Introduced in version
0.19
See also
TechDraw RichTextAnnotation, TechDraw WeldSymbol

Description

The TechDraw LeaderLine tool adds a line to a View. Other annotation objects (such as Rich Text Annotations) can be connected to the leaderline to form complex annotations.

Leaderline added to a View

Usage create

  1. Select a View.
  2. There are several ways to invoke the tool:
    • Press the Add Leaderline to View button.
    • Select the TechDraw → Add Lines → Add Leaderline to View option from the menu.
  3. A task panel opens.
  4. Press the Pick points button.
  5. Pick the first point on the page to define the start point of the line.
  6. Pick the next point on the page. Hold down Ctrl to snap to multiples of 22.5° angles. Optionally use a double-click instead of a single-click to finish entering points.
  7. Optionally add more points.
  8. If you have not double-clicked a point: press the Save Points button.
  9. Optionally change the Start Symbol, End Symbol, Color, Width and Style of the leader. See Properties for more information.
  10. Press the OK button.

Usage edit

  1. Double-click a Leaderline in the Tree view.
  2. A task panel opens.
  3. To edit the points:
    1. Press the Edit points button.
    2. The Leaderline is marked with temporary nodes.
    3. Drag one or more of the nodes to a new position.
    4. Press the Save changes button.
  4. Optionally change the Start Symbol, End Symbol, Color, Width and Style of the leader. See Properties for more information.
  5. Press the OK button.

Notes

  • You cannot add or remove points from an existing Leaderline.
  • If no points were specified at creation time a short line is placed at the center of the View. There is no way to fix such a line, it should be deleted.
  • By default the Leader Line Auto Horizontal preference is checked. This means that the last line segment of new Leaderlines is drawn horizontally. If there is only one segment the result is then a single horizontal line.
  • You can turn off this auto horizontal feature for existing Leaderlines by changing their DataAuto Horizontal property.

Properties

Data

Base

  • DataStart Symbol (Enumeration): The symbol at the start of the leaderline. Options: Filled Arrow, Open Arrow, Tick, Dot, Open Circle, Fork, Filled Triangle, None.
  • DataEnd Symbol (Enumeration): The symbol at the end of the leaderline. Idem.
  • DataX (Distance): The X coordinate of the leaderline relative to the View.
  • DataY (Distance): The Y coordinate of the leaderline relative to the View.

Leader

  • DataLeader Parent (Link): The View the leaderline is attached to.
  • DataWay Points (VectorList): The points of the leaderline.
  • DataScalable (Bool): Specifies if the leaderline scales with DataLeader Parent.
  • DataAuto Horizontal (Bool): Specifies if the last leaderline segment is forced to be horizontal.

View

Base

  • ViewKeep Label (Bool): Not used.
  • ViewStack Order (Integer): Over or underlap relative to other drawing objects. introduced in version 0.21

Line Format

  • ViewColor (Color): The color of the leaderline.
  • ViewLine Style (Enumeration): The style of the leaderline. Options: NoLine, Continuous, Dash, Dot, DashDot, Length DashDotDot.
  • ViewLine Width (Length): The width of the leaderline.

Scripting

See also: Autogenerated API documentation and FreeCAD Scripting Basics.

The LeaderLine tool can be used in macros and from the Python console by using the following functions:

myPage = FreeCAD.ActiveDocument().Page
myBase = FreeCAD.ActiveDocument().View
leaderObj = FreeCAD.ActiveDocument.addObject('TechDraw::DrawLeaderLine','DrawLeaderLine')
FreeCAD.activeDocument().myPage.addView(leaderObj)
FreeCAD.activeDocument().leaderObj.LeaderParent = myBase
#first waypoint is always (0,0,0)  
#rest of waypoints are positions relative to (0,0,0)
leaderObj.WayPoints = [p0,p1,p2]
leaderObj.X = 5
leaderObj.Y = 5