TechDraw Dimension Radius

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TechDraw Dimension Radius.svg TechDraw Dimension Radius

Menu location
TechDraw → Dimension Radius
Default shortcut
Introduced in version
See also


Instrumentul Radius Dimension adaugă o dimensiune a unei raze la o View. Cota/dimensiunea poate fi aplicată la orice margine în desenul care este un cerc sau un arc de cerc.


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 TechDraw Dimension Link.svg Link Dimension tool.

TechDraw Dimension Radius example.png

Measuring a circle, indicating the radius

Cum se folosește

  1. Selectați un cerc sau un arc circular în desen. (Notați că anumite arce de cerc apar ca fiind circulare dar de fapt sunt elipse sau curbe BSplines. Nu puteți realiza radius dimension în aceste cazuri)
  2. Apăsați butonul Techdraw Dimension Radius.png Dimension Radius
  3. O cotă/distanță va fi adăugată în View. Cota poate fi glisată până în poziția dorită.
  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 TechDraw Dimension Radius.svg Dimension Radius button
  3. A dimension will be added to the View. The dimension may be dragged to the desired position.


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


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

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


Cotele tip rază pot fi adăugate la Pages utilizând Python.

See also: TechDraw API and FreeCAD Scripting Basics.

The Dimension Radius 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)