TechDraw HorizontalExtentDimension

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TechDraw HorizontalExtentDimension.svg TechDraw HorizontalExtentDimension

Menu location
TechDraw → Dimensions → Insert Horizontal Extent Dimension
Workbenches
TechDraw
Default shortcut
None
Introduced in version
0.19
See also
TechDraw LengthDimension, TechDraw VerticalExtentDimension

Description

The Horizontal Extent Dimension tool adds a linear dimension to a View. The dimension extends from the left most point on the selected objects to the right most point. A CosmeticVertex will be placed at each point.

TechDraw Dimension Horizontal Extent example.png

Horizontal Extent dimension of BSpline Face

How to use

  1. Select a View or a collection of Edges in a View.
  2. Press the TechDraw HorizontalExtentDimension.svg Horizontal Extent Dimension 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 the "topological naming problem". See TechDraw LengthDimension for more information.

Properties

See TechDraw LengthDimension. Exceptions noted below.

Data

  • DataMeasureType: true - based on 3D geometry or "Projected" - based on the drawing. Not normally manipulated directly by the end user. Not yet implemented for Dimension Horizontal Extent.

Scripting

See also: TechDraw API and FreeCAD Scripting Basics.

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

selection = [(view1, 'Edge1'), (view1, 'Edge2')]  #or [] for all
hExtentDim = TechDraw.Dimension.makeExtentDim(selection, HORIZONTAL)
rc = page.addView(hExtentDim)