TechDraw HorizontalDimension: Difference between revisions

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{{Docnav|[[TechDraw_Dimension_Length|New Length]]|[[TechDraw_Dimension_Vertical|New Vertical]]|[[TechDraw_Module|TechDraw]]|IconL=Techdraw_Dimension_Length.png|IconC=Workbench_TechDraw.svg|IconR=Techdraw_Dimension_Vertical.png}}

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==Description== <!--T:2-->
==Description== <!--T:2-->

The Dimension Horizontal tool adds a horizontal dimension to a View. The dimension may be between two vertices, the length of one edge or the horizontal distance between 2 edges. 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:LinkDimension.png|16px]] Link Dimension}} tool.
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The Dimension Horizontal tool adds a horizontal dimension to a View. The dimension may be between two vertices, the length of one edge or the horizontal distance between 2 edges. 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.


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[[Image:HorizontalSample.png]]
[[Image:TechDraw_Dimension_Horizontal_example.png]]
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{{Caption|Length dimension taken from two arbitrary nodes of the view; the distance is measured horizontally}}
{{Caption|Length dimension taken from two arbitrary nodes of the view; the distance is measured horizontally}}


==How to use== <!--T:3-->
==How to use== <!--T:3-->

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# Select the points or edge which define your measurement.
# Select the points or edge which define your measurement.
# Press the {{Button|[[Image:Dimension_Horizontal.png|16px]] [[TechDraw Dimension Horizontal|Dimension Horizontal]]}} button
# Press the {{Button|[[Image:Dimension_Horizontal.png|16px]] [[TechDraw Dimension Horizontal|Dimension Horizontal]]}} 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.


==Options== <!--T:4-->
== Limitations == <!--T:11-->

None.
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Dimension objects are vulnerable to "topological naming" issues. See the information in the [[TechDraw Dimension Length]] tool for more information.


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

{{TechDraw DimProps}}
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This object has the same properties as the [[TechDraw Dimension Length]] tool. See that tool for details.


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

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{{Emphasis|See also:}} [[TechDraw API]] and [[FreeCAD Scripting Basics]].
{{Emphasis|See also:}} [[TechDraw API]] and [[FreeCAD Scripting Basics]].


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


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==Notes== <!--T:7-->
* All Dimensions are extremely vulnerable to the infamous "topological naming" issue. It is not possible at this time to keep references to 2D (projected) or 3D (actual) geometrical objects in sync with changes in the model. It is recommended that Dimensions be added towards the end of the drawing creation process.


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{{Docnav|[[TechDraw_Dimension_Length|New Length]]|[[TechDraw_Dimension_Vertical|New Vertical]]|[[TechDraw_Module|TechDraw]]|IconL=Techdraw_Dimension_Length.png|IconC=Workbench_TechDraw.svg|IconR=Techdraw_Dimension_Vertical.png}}

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Revision as of 15:32, 22 February 2019

TechDraw Dimension Horizontal

Menu location
TechDraw → Dimension Horizontal
Workbenches
TechDraw
Default shortcut
None
Introduced in version
-
See also
TechDraw Dimension Length, TechDraw Dimension Vertical

Description

The Dimension Horizontal tool adds a horizontal dimension to a View. The dimension may be between two vertices, the length of one edge or the horizontal distance between 2 edges. 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 Link Dimension tool.

Length dimension taken from two arbitrary nodes of the view; the distance is measured horizontally

How to use

  1. Select the points or edge which define your measurement.
  2. Press the File:Dimension Horizontal.png Dimension Horizontal button
  3. A dimension will be added to the View. The dimension may be dragged to the desired position.

Limitations

Dimension objects are vulnerable to "topological naming" issues. See the information in the TechDraw Dimension Length tool for more information.

Properties

This object has the same properties as the TechDraw Dimension Length tool. See that tool for details.

Scripting

See also: TechDraw API and FreeCAD Scripting Basics.

The Dimension Horizontal 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 = "DistanceX"
dim1.References2D=[(view1, 'Edge1')]
rc = page.addView(dim1)