Part Sphere/zh-cn

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Part Sphere

Menu location
Part → Primitives → Sphere
Workbenches
Part
Default shortcut
None
Introduced in version
-
See also
Part Primitives

Description

描述

利用位置、角度1、角度2、角度3与半径参数创建一个简单的参数化球体。

A Part Sphere can be truncated at the top and/or bottom by changing its 数据Angle1 and/or 数据Angle2 properties. It can be turned into a segment of a sphere by changing its 数据Angle3 property.

Usage

如何使用

在零件工作台中点击球体图标。球体在创建时会被定位在原点(point 0,0,0)处。角度参数确定了所创的是局部球体，而非完整的球体（角度参数的默认设置值为360°）。

Example

Part Sphere from the scripting example

A Part Sphere object created with the scripting example below is shown here.

Notes

  • A Part Sphere can also be created with the Part Primitives command. With that command you can specify the dimensions and placement at creation time.

选项

See also: Property editor.

A Part Sphere object is derived from a Part Feature object and inherits all its properties. It also has the following additional properties:

Data

Attachment

The object has the same attachment properties as a Part Part2DObject.

Sphere

  • 数据Radius (Length): The radius of the sphere. The default is 5mm.
  • 数据Angle1 (Angle): The start angle of the circular arc profile of the sphere. Valid range: -90° <= value <= 90°. May not be equal to 数据Angle2. The default is -90°.
  • 数据Angle2 (Angle): The end angle of the circular arc profile of the sphere. Valid range: -90° <= value <= 90°. May not be equal to 数据Angle1. The default is 90°. If the total angle of the arc profile is smaller than 180° the sphere will be truncated and have a flat face at the top and/or bottom.
  • 数据Angle3 (Angle): The total angle of revolution of the sphere. Valid range: 0° < value <= 360°. The default is 360°. If it is smaller than 360° the resulting solid will be a segment of a sphere.

Scripting

See also: Autogenerated API documentation, Part scripting and FreeCAD Scripting Basics.

A Part Sphere can be created with the addObject() method of the document: 

sphere = FreeCAD.ActiveDocument.addObject("Part::Sphere", "mySphere")
  • Where "mySphere" is the name for the object.
  • The function returns the newly created object.

Example: 

import FreeCAD as App

doc = App.activeDocument()

sphere = doc.addObject("Part::Sphere", "mySphere")
sphere.Radius = 20
sphere.Angle1 = -30
sphere.Angle2 = 45
sphere.Angle3 = 90
sphere.Placement = App.Placement(App.Vector(3, 9, 11), App.Rotation(75, 60, 30))

doc.recompute()


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