TechDraw RadiusDimension: Difference between revisions

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<languages/>
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{{Docnav
{{Docnav
|[[TechDraw_VerticalDimension|VerticalDimension]]
|[[TechDraw_Dimension_Vertical|Dimension Vertical]]
|[[TechDraw_DiameterDimension|DiameterDimension]]
|[[TechDraw_Dimension_Diameter|Dimension Diameter]]
|[[TechDraw_Workbench|TechDraw]]
|[[TechDraw_Workbench|TechDraw]]
|IconL=TechDraw_Dimension_Vertical.svg
|IconL=TechDraw_VerticalDimension.svg
|IconR=TechDraw_Dimension_Diameter.svg
|IconR=TechDraw_DiameterDimension.svg
|IconC=Workbench_TechDraw.svg
|IconC=Workbench_TechDraw.svg
}}
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{{GuiCommand
{{GuiCommand
|Name=TechDraw Dimension Radius
|Name=TechDraw RadiusDimension
|MenuLocation=TechDraw → Dimensions → Insert Radius Dimension
|MenuLocation=TechDraw → Dimensions → Insert Radius Dimension
|Workbenches=[[TechDraw_Workbench|TechDraw]]
|Workbenches=[[TechDraw_Workbench|TechDraw]]
|SeeAlso=[[TechDraw_Dimension_Diameter|TechDraw Dimension Diameter]]
|SeeAlso=[[TechDraw_DiameterDimension|TechDraw DiameterDimension]]
}}
}}


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The Dimension Radius tool adds a radius dimension to a View. The dimension may be applied to any Edge in the drawing which is a circle or circular arc. The distance will initially be the projected distance (ie as shown on the drawing), but this may be changed to the actual 3D distance using the {{Button|[[Image:TechDraw_Dimension_Link.svg|16px]] [[TechDraw_Dimension_Link|Link Dimension]]}} tool.
The Radius Dimension tool adds a radius dimension to a View. The dimension may be applied to any Edge in the drawing which is a circle or circular arc. The distance will initially be the projected distance (ie as shown on the drawing), but this may be changed to the actual 3D distance using the {{Button|[[Image:TechDraw_LinkDimension.svg|16px]] [[TechDraw_LinkDimension|TechDraw LinkDimension]]}} tool.



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# Select a circle or circular arc in the drawing. (Note some arcs which appear to be circular are actually ellipses or BSplines. You cannot make a radius dimension in these cases)
# Select a circle or circular arc in the drawing. (Note some arcs which appear to be circular are actually ellipses or BSplines. You cannot make a radius dimension in these cases)
# Press the {{Button|[[Image:TechDraw_Dimension_Radius.svg|16px]] [[TechDraw_Dimension_Radius|Dimension Radius]]}} button
# Press the {{Button|[[Image:TechDraw_RadiusDimension.svg|16px]] [[TechDraw_RadiusDimension|Radius Dimension]]}} button
# A dimension will be added to the View. The dimension may be dragged to the desired position.
# A dimension will be added to the View. The dimension may be dragged to the desired position.
# If needed, add tolerances as described in [[TechDraw_Geometric_dimensioning_and_tolerancing#Tolerances|this page]].
# If needed, add tolerances as described in [[TechDraw_Geometric_dimensioning_and_tolerancing#Tolerances|this page]].


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To change the properties of a dimension object either double-clicking it in the drawing or in the [[Tree_view|Tree view]]. This will open the [[TechDraw_Dimension_Length#Dimension_dialog|dimension dialog]].
To change the properties of a dimension object either double-clicking it in the drawing or in the [[Tree_view|Tree view]]. This will open the [[TechDraw_LengthDimension#Dimension_dialog|dimension dialog]].


== Limitations == <!--T:11-->
== Limitations == <!--T:11-->


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Dimension objects are vulnerable to "topological naming" issues. See the information in the [[TechDraw_Dimension_Length|TechDraw Dimension Length]] tool for more information.
Dimension objects are vulnerable to the "[[Topological_naming_problem|topological naming problem]]". See [[TechDraw_LengthDimension|TechDraw LengthDimension]] for more information.


==Properties== <!--T:5-->
==Properties== <!--T:5-->


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See [[TechDraw_LengthDimension#Properties|TechDraw LengthDimension]].
This object has the same properties as the [[TechDraw_Dimension_Length|TechDraw Dimension Length]] tool. See that tool for details.


==Scripting== <!--T:6-->
==Scripting== <!--T:6-->
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The Dimension Radius tool can be used in [[Macros|macros]] and from the [[Python|Python]] console by using the following functions:
The Radius Dimension tool can be used in [[Macros|macros]] and from the [[Python|Python]] console by using the following functions:


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{{Docnav
{{Docnav
|[[TechDraw_VerticalDimension|VerticalDimension]]
|[[TechDraw_Dimension_Vertical|Dimension Vertical]]
|[[TechDraw_DiameterDimension|DiameterDimension]]
|[[TechDraw_Dimension_Diameter|Dimension Diameter]]
|[[TechDraw_Workbench|TechDraw]]
|[[TechDraw_Workbench|TechDraw]]
|IconL=TechDraw_Dimension_Vertical.svg
|IconL=TechDraw_VerticalDimension.svg
|IconR=TechDraw_Dimension_Diameter.svg
|IconR=TechDraw_DiameterDimension.svg
|IconC=Workbench_TechDraw.svg
|IconC=Workbench_TechDraw.svg
}}
}}
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Revision as of 17:29, 15 September 2021

TechDraw RadiusDimension

Menu location
TechDraw → Dimensions → Insert Radius Dimension
Workbenches
TechDraw
Default shortcut
None
Introduced in version
-
See also
TechDraw DiameterDimension

Description

The Radius Dimension tool adds a radius dimension to a View. The dimension may be applied to any Edge in the drawing which is a circle or circular arc. The distance will initially be the projected distance (ie as shown on the drawing), but this may be changed to the actual 3D distance using the TechDraw LinkDimension tool.

Measuring a circle, indicating the radius

Usage

  1. Select a circle or circular arc in the drawing. (Note some arcs which appear to be circular are actually ellipses or BSplines. You cannot make a radius dimension in these cases)
  2. Press the Radius Dimension button
  3. A dimension will be added to the View. The dimension may be dragged to the desired position.
  4. If needed, add tolerances as described in this page.

To change the properties of a dimension object either double-clicking it in the drawing or in the Tree view. This will open the dimension dialog.

Limitations

Dimension objects are vulnerable to the "topological naming problem". See TechDraw LengthDimension for more information.

Properties

See TechDraw LengthDimension.

Scripting

See also: TechDraw API and FreeCAD Scripting Basics.

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

dim1 = FreeCAD.ActiveDocument.addObject('TechDraw::DrawViewDimension','Dimension')
dim1.Type = "Radius"
dim1.References2D=[(view1, 'Edge1')]
rc = page.addView(dim1)