Part Sphere/zh-cn: Difference between revisions
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==Description== |
== Description == |
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A Part Sphere can be truncated at the top and/or bottom by changing its {{PropertyData|Angle1}} and/or {{PropertyData|Angle2}} properties. It can be turned into a segment of a sphere by changing its {{PropertyData|Angle3}} property. |
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[[File:SimpleSphere.jpg|400px]] |
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[[Image:Part_Sphere_Example.png|400px]] |
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==Usage== |
==Usage== |
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== Example == |
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'''Result:''' The sphere will be positioned at origin (point 0,0,0) on creation. The angle parameters permit to make a portion of sphere instead of a full sphere (they are set to 360° by default). |
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[[Image:Part_Sphere_Scripting_Example.png|thumb|Part Sphere from the scripting example]] |
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The properties of the object can be edited, either in the [[Property_editor|Property editor]] or by double-clicking the object in the [[Tree_view|Tree view]]. |
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A Part Sphere object created with the [[#Scripting|scripting example]] below is shown here. |
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== Notes == |
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* A Part Sphere 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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== 选项 == |
== 选项 == |
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See also: [[Property_editor|Property editor]]. |
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A Part Sphere 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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=== Data === |
=== Data === |
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{{TitleProperty| |
{{TitleProperty|Attachment}} |
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The object has the same attachment properties as a [[Part_Part2DObject#Data|Part Part2DObject]]. |
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* {{PropertyData|Angle 1:}} 1nd angle to cut / define the sphere |
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* {{PropertyData|Angle 2:}} 2nd angle to cut / define the sphere |
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* {{PropertyData|Angle 3:}} 3rd angle to cut / define the sphere |
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{{TitleProperty|Sphere}} |
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由于很难描述angle 1、angle 2、angle 3这三个参数的意义,因此以下列图示来向您展示关于angle 1 = -45°, angle 2 = 45° 与 angle 3 = 90°时的效果,从而对此进行解释。 |
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[[File:SphereCutThreeAngles.jpg|400px]] |
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* {{PropertyData|Angle1|Angle}}: The start angle of the circular arc profile of the sphere. Valid range: {{Value|-90° <= value <= 90°}}. May not be equal to {{PropertyData|Angle2}}. The default is {{Value|-90°}}. |
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* {{PropertyData|Angle2|Angle}}: The end angle of the circular arc profile of the sphere. Valid range: {{Value|-90° <= value <= 90°}}. May not be equal to {{PropertyData|Angle1}}. The default is {{Value|90°}}. If the total angle of the arc profile is smaller than {{Value|180°}} the sphere will be truncated and have a flat face at the top and/or bottom. |
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* {{PropertyData|Angle3|Angle}}: The total angle of revolution of the sphere. Valid range: {{Value|0° < value <= 360°}}. The default is {{Value|360°}}. If it is smaller than {{Value|360°}} the resulting solid will be a segment of a sphere. |
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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|"mySphere"}} is the name for the object. |
* Where {{Incode|"mySphere"}} 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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sphere = doc.addObject("Part::Sphere", "mySphere") |
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sphere.Radius = 20 |
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sphere.Angle1 = -30 |
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sphere.Angle2 = 45 |
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sphere.Angle3 = 90 |
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sphere.Placement = App.Placement(App.Vector(3, 9, 11), App.Rotation(75, 60, 30)) |
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doc.recompute() |
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}} |
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Latest revision as of 09:53, 3 March 2022
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
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 is5mm
. - 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 is90°
. If the total angle of the arc profile is smaller than180°
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 is360°
. If it is smaller than360°
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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