TechDraw RadiusDimension/ru

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Верстак "TechDraw"

Описание

The TechDraw RadiusDimension tool adds a radius dimension to a View. The dimension may be applied to any edge which is a circle or circular arc.

Measuring a circle, indicating the radius

Применение

1. Select a circle or circular arc. The geometry may be selected in the 3D view or in the drawing. Note some arcs which appear to be circular are actually ellipses or B-splines. You cannot make a radius dimension in these cases.
2. If you have selected geometry in the 3D view: add the correct TechDraw View to the selection by selecting it in the Tree view.
3. There are several ways to invoke the tool:
   • introduced in version 1.0: If the Dimensioning tools preference is set to Single tool (default): press the down arrow to the right of the button and select the Insert Radius Dimension option from the dropdown.
   • If this preference has a different value (and in version 0.21 and below): press the Insert Radius Dimension button.
   • Select the TechDraw → Dimensions → Insert Radius Dimension option from the menu.
4. A dimension is added to the View.
5. The dimension may be dragged to the desired position.
6. If needed, add tolerances as described on this page.

Display 3D measurement

See TechDraw LengthDimension.

Change properties

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

Ограничения

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

Notes

See TechDraw LengthDimension.

Свойства

See TechDraw LengthDimension.

Программирование

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

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")]
page.addView(dim1)

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Верстак "TechDraw"

TechDraw

• Pages: Insert Default Page, Insert Page using Template, Update template fields, Redraw Page, Print All Pages, Export Page as SVG, Export Page as DXF
• Views:
  • TechDraw views: Insert View, Insert Broken View, Insert Section View, Insert Complex Section View, Insert Detail View, Insert Projection Group, Insert Clip Group, Insert SVG Symbol, Insert Bitmap Image, Share View, Turn View Frames On/Off, Project Shape
  • Views from other workbenches: Insert Active View, Insert Draft Workbench Object, Insert BIM Workbench Object, Insert Spreadsheet View
• Stacking: Move view to top of stack, Move view to bottom of stack, Move view up one level, Move view down one level

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• Dimensions: Insert Dimension, Insert Length Dimension, Insert Horizontal Dimension, Insert Vertical Dimension, Insert Radius Dimension, Insert Diameter Dimension, Insert Angle Dimension, Insert 3-Point Angle Dimension, Insert Area Annotation, Create Arc Length Dimension, Insert Horizontal Extent Dimension, Insert Vertical Extent Dimension, Create Horizontal Chain Dimensions, Create Vertical Chain Dimensions, Create Oblique Chain Dimensions, Create Horizontal Coordinate Dimensions, Create Vertical Coordinate Dimensions, Create Oblique Coordinate Dimensions, Create Horizontal Chamfer Dimension, Create Vertical Chamfer Dimension, Insert Balloon Annotation, Insert Axonometric Length Dimension, Insert Landmark Dimension, Dimension Repair, Link Dimension to 3D Geometry

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• Hatching: Hatch Face using Image File, Apply Geometric Hatch to Face,
• Annotations: Insert Annotation, Add Leaderline to View, Insert Rich Text Annotation, Add Cosmetic Vertex, Add Midpoint Vertices, Add Quadrant Vertices, Add Centerline to Faces, Add Centerline between 2 Lines, Add Centerline between 2 Points, Add Cosmetic Line Through 2 points, Add Cosmetic Circle, Change Appearance of Lines, Show/Hide Invisible Edges, Add Welding Information to Leader, Add Surface Finish Symbol, Add Hole or Shaft Tolerances

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• Extensions:
  • Attributes and modifications: Select Line Attributes, Cascade Spacing and Delta Distance, Change Line Attributes, Extend Line, Shorten Line, Lock/Unlock View, Position Section View, Position Horizontal Chain Dimensions, Position Vertical Chain Dimensions, Position Oblique Chain Dimensions, Cascade Horizontal Dimensions, Cascade Vertical Dimensions, Cascade Oblique Dimensions, Calculate the area of selected faces, Calculate the arc length of selected edges, Customize format label
  • Centerlines and threading: Add Circle Centerlines, Add Bolt Circle Centerlines, Add Cosmetic Thread Hole Side View, Add Cosmetic Thread Hole Bottom View, Add Cosmetic Thread Bolt Side View, Add Cosmetic Thread Bolt Bottom View, Add Cosmetic Intersection Vertex(es), Add an offset vertex, Add Cosmetic Circle, Add Cosmetic Arc, Add Cosmetic Circle 3 Points, Add Cosmetic Parallel Line, Add Cosmetic Perpendicular Line
  • Dimensions: Insert '⌀' Prefix, Insert '□' Prefix, Insert 'n×' Prefix, Remove Prefix, Increase Decimal Places, Decrease Decimal Places

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• Miscellaneous: Remove Cosmetic Object

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• Additional: Line Groups, Templates, Hatching, Geometric dimensioning and tolerancing, Preferences

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