Part Torus/zh-cn: Difference between revisions
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A Part Torus can be turned into a segment of a torus by changing its {{PropertyData|Angle3}} property. By changing its {{PropertyData|Angle1}} and/or {{PropertyData|Angle2}} properties the swept profile can become a segment of a circle. |
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[[File:SimpleTorus.jpg|400px]] |
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[[Image:Part_Torus_Example.png|400px]] |
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[[Image:Part_Torus_Scripting_Example.png|thumb|Part Torus from the scripting example]] |
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'''Result:''' The torus will be positioned at origin (point 0,0,0) on creation.<br /> |
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The angle parameters (angle1, angle2, angle3), as well as the radius parameters (radius1, radius2) permit to parametrize the torus, see next section. |
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A Part Torus object created with the [[#Scripting|scripting example]] below is shown here. |
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== Notes == |
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[[File:TorusExampleOverviewParameters.jpg]] |
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* A Part Torus can also be created with the [[Image:Part_Primitives.svg|16px]] [[Part_Primitives|Part Primitives]] command. With that command you can specify the dimensions and placement at creation time. |
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'''参数''' |
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创建环面的过程就相当于令一个小圆盘沿一个幻想的环形轨道为轴进行圆周运动。这样,就可以通过下列参数来定义参数化环面: |
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See also: [[Property_editor|Property editor]]. |
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A Part Torus object is derived from a [[Part_Feature|Part Feature]] object and inherits all its properties. It also has the following additional properties: |
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以及一系列标准定位参数。下图以可视化方式展示了上述提及的诸参数: |
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=== Data === |
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{{TitleProperty|Attachment}} |
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[[File:TorusExampleRadius2.jpg]] <br/> |
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将Radius2参数的值指定为2 mm。 |
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The object has the same attachment properties as a [[Part_Part2DObject#Data|Part Part2DObject]]. |
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[[File:TorusExampleAngle1.jpg]] <br/> |
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将Angle1参数的值指定为-90°。不难发现,"角度测量"工具并不能显示负值角度。因此,请将图中所示的值想象(zixingnaobu)为"-90°"。 |
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{{TitleProperty|Torus}} |
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[[File:TorusExampleAngle2.jpg]] <br/> |
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将Angle2参数的值指定为90°。 |
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[[File:TorusExampleAngle3.jpg]] |
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{{clear}} |
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将Angle3参数指定为90°。 |
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== Scripting == |
== Scripting == |
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See also: [https://freecad.github.io/SourceDoc/ Autogenerated API documentation], [[Part_scripting|Part scripting]] and [[FreeCAD_Scripting_Basics|FreeCAD Scripting Basics]]. |
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{{Code|code= |
{{Code|code= |
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* Where {{Incode|"myTorus"}} is the name for the object. |
* Where {{Incode|"myTorus"}} is the name for the object. |
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* The function returns the newly created object. |
* The function returns the newly created object. |
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Example: |
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{{Code|code= |
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import FreeCAD as App |
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doc = App.activeDocument() |
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torus = doc.addObject("Part::Torus", "myTorus") |
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torus.Radius1 = 20 |
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torus.Radius2 = 10 |
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torus.Angle1 = -90 |
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torus.Angle2 = 45 |
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torus.Angle3 = 270 |
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torus.Placement = App.Placement(App.Vector(1, 2, 3), App.Rotation(30, 45, 10)) |
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doc.recompute() |
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}} |
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Latest revision as of 09:58, 3 March 2022
Part Torus |
Menu location |
---|
Part → Primitives → Torus |
Workbenches |
Part |
Default shortcut |
None |
Introduced in version |
- |
See also |
Part Primitives |
Description
描述
根据position, angle1, angle2, angle3, radius1 与 radius2参数创建一个简单的参数化环面。
A Part Torus can be turned into a segment of a torus by changing its 数据Angle3 property. By changing its 数据Angle1 and/or 数据Angle2 properties the swept profile can become a segment of a circle.
如何使用
在零件工作台中点击环面图标。这会在原点(point 0,0,0)处创建一个环面。 三个角度参数(angle1, angle2, angle3)与两个半径参数(radius1 , radius2)用于确定参数化环面,详情请看下段文字。
Example
A Part Torus object created with the scripting example below is shown here.
Notes
- A Part Torus can also be created with the Part Primitives command. With that command you can specify the dimensions and placement at creation time.
See also: Property editor.
A Part Torus 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.
Torus
- Radius1: 小圆盘圆周运动所绕圆环的半径
- Radius2: 定义环面形状的小圆盘的半径
- Angle1: 用于切割/定义环面小圆盘的第1个角度参数
- Angle2: 用于切割/定义环面小圆盘的第2个角度参数
- Angle3: 用于定义环面运动圆周的第3个角度参数
Scripting
See also: Autogenerated API documentation, Part scripting and FreeCAD Scripting Basics.
A Part Torus can be created with the addObject()
method of the document:
torus = FreeCAD.ActiveDocument.addObject("Part::Torus", "myTorus")
- Where
"myTorus"
is the name for the object. - The function returns the newly created object.
Example:
import FreeCAD as App
doc = App.activeDocument()
torus = doc.addObject("Part::Torus", "myTorus")
torus.Radius1 = 20
torus.Radius2 = 10
torus.Angle1 = -90
torus.Angle2 = 45
torus.Angle3 = 270
torus.Placement = App.Placement(App.Vector(1, 2, 3), App.Rotation(30, 45, 10))
doc.recompute()
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