Draft Shape2DView/ru

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Draft Shape2DView
Системное название
Draft Shape2DView
Расположение в меню
Черчение → 2D вид фигуры
Верстаки
Draft, Arch
Быстрые клавиши
Нет
Представлено в версии
-
См. также
Нет

Description

The Draft Shape2DView tool produces a 2D projection from a selected 3D solid object such as those created with the Part, PartDesign, and Arch Workbenches.

The resulting projection is a Draft object and is placed in the 3D view. This object can be displayed on a TechDraw Workbench page, using the TechDraw NewDraft tool. Alternatively, TechDraw has its own tools to create projected views, the File:TechDraw NewView.svg TechDraw NewView and File:TechDraw NewProjGroup.svg TechDraw NewProjGroup tools; however, these tools are meant for preparing technical drawings, so they create the views only in the drawing page, and not in the 3D view.

Projection of solid shapes into the XY plane

Usage

1. Rotate the view so it reflects the direction of the desired projection. For example, a top view will project the object on the XY plane.
2. Select a 3D object.
3. Press the Draft Shape2DView button. If no object is selected, you will be invited to select one.

The projected object will be created below the selected object, lying on the XY plane. It's position can be changed by changing its properties. The projection direction can also be changed after creation with the property editor.

Note: If the selected object is an Arch SectionPlane, the projection will use the contents and direction of that Section plane; in this case, the "Projection" property will be ignored.

Options

There are no options for this tool. Either it works with the selected object or not.

Properties

• ДанныеProjection: specifies the direction of the projection as a vector. For example, (0,0,1) is a projection looking through the Z axis, which would be projected on the XY plane; (1,0,0) is a projection looking through the X axis, which would be projected on the YZ plane; (0,1,0) is a projection looking through the Y axis, which would be projected on the XZ plane. The values can also be negative, in which case the direction of projection is inverted.
• ДанныеProjection Mode: it can be "Solid", "Individual Faces", "Cutlines", and "Cutfaces".
  • The default projection is "Solid", which projects the entire selected shape.
  • If only some faces of the base object are selected, the "Individual Faces" mode will project only those faces.
  • If the selected object is an Arch SectionPlane, the "Cutlines" mode will project only the edges being cut by the section plane.
  • If the selected object is an Arch SectionPlane, the "Cutfaces" mode will display the cut areas of solids as faces.
• ДанныеIn Place: if it is true, together with "Cutlines" or "Cutfaces" modes, the resulting projection will appear co-planar with the Arch SectionPlane. introduced in version 0.17
• ДанныеHiddenLines: if it is true it will show the hidden lines of the projection.
• ДанныеTessellation: if it is true it will perform tessellation of ellipses and splines, that is, it will represent curves with very fine line segments.

Note: this may be computationally intensive if ДанныеSegment Length is very small.

• ДанныеSegment Length: specifies the size in millimeters of linear segments if ДанныеTessellation is true.

Note: set a larger value first, and then change it to a smaller value to get better resolution.

• ДанныеVisible Only: if it is true the projection will be recomputed only if it is visible.

Scripting

See also: Draft API and FreeCAD Scripting Basics.

The Draft Shape2DView tool can be used in macros and from the Python console by using the following function:

Shape2DView = makeShape2DView(baseobj, projectionVector=None, facenumbers=[])

• Creates Shape2DView as a projection of the given baseobj.
  • If facenumbers is given, it is a list of face numbers to be considered for the projection.
• If a projectionVector is given, it is used; otherwise the default projection is along the Z axis.

The ProjectionMode attribute needs to be overwritten with the desired mode, which can be "Solid", "Individual Faces", "Cutlines", or "Cutfaces".

Example:

import FreeCAD, Draft

Box = FreeCAD.ActiveDocument.addObject("Part::Box", "Box")
Box.Length = 2300
Box.Width = 800
Box.Height = 1000

Shape1 = Draft.makeShape2DView(Box)

Shape2 = Draft.makeShape2DView(Box, FreeCAD.Vector(1, -1, 1))

Shape3 = Draft.makeShape2DView(Box, FreeCAD.Vector(-1, 1, 1), [4,5])
Shape3.ProjectionMode = "Individual Faces"

FreeCAD.ActiveDocument.recompute()

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• Annotation: Text, Dimension, Label, Annotation styles, Annotation scale
• Modification: Move, Rotate, Scale, Mirror, Offset, Trimex, Stretch, Clone, Array, Polar array, Circular array, Path array, Path link array, Point array, Point link array, Edit, Subelement highlight, Join, Split, Upgrade, Downgrade, Wire to B-spline, Draft to sketch, Set slope, Flip dimension, Shape 2D view

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• Draft Tray: Select plane, Set style, Toggle construction mode, AutoGroup
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• Miscellaneous: Apply current style, Layer, Manage layers, Add a new named group, Move to group, Select group, Add to construction group, Toggle normal/wireframe display, Create working plane proxy, Heal, Show snap toolbar
• Additional: Constraining, Pattern, Preferences, Import Export Preferences, DXF/DWG, SVG, OCA, DAT
• Context menu:
  • Layer container: Merge layer duplicates, Add new layer
  • Layer: Activate this layer, Select layer contents
  • Text: Open hyperlinks
  • Wire: Flatten
  • Working plane proxy: Write camera position, Write objects state

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