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Revision as of 13:00, 15 September 2021

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TechDraw Dimension Radius

Системное название
TechDraw Dimension Radius
Расположение в меню
TechDraw → Dimension Radius
Верстаки
TechDraw
Быстрые клавиши
Нет
Представлено в версии
-
См. также
TechDraw Dimension Diameter

Описание

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 Link Dimension tool.


Measuring a circle, indicating the radius

Применение

  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 Dimension Radius 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.

Ограничения

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

Свойства

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

Программирование

См. так же: TechDraw API и Основы составления скриптов FreeCAD.

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)