Difference between revisions of "Points Workbench/zh"

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<languages/>
 
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{{Docnav/zh
 
{{Docnav/zh
 
|[[Plot Workbench|Plot Workbench]]
 
|[[Plot Workbench|Plot Workbench]]
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[[Image:Workbench_Points.svg|240px|center]]
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[[Image:Workbench_Points.svg|thumb|128px|Points workbench icon]]
{{Caption|align=center|The FreeCAD Points Workbench Icon}}
 
  
== Introduction ==
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==Introduction==
  
 
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{{TOCright}}
The [[Image:Workbench_Points.svg|24px]] [[Points Workbench|Points Workbench]] is intended to give you specific tools for working with [http://en.wikipedia.org/wiki/Point_cloud point clouds]. The workbench is still in development.
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The [[Image:Workbench_Points.svg|24px]] [[Points_Workbench|Points Workbench]] offers specific tools for working with [http://en.wikipedia.org/wiki/Point_cloud point clouds]. The workbench is still in development.
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A point cloud is a collection of points in 3D space. A point cloud is generally produced by scanning the surface of a solid object. The cloud of points can then be used for many purposes including building a mesh for the object, reconstructing the surfaces and solid volumes, reverse engineering, as well as for visualization and quality inspection.
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==Tools==
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All Points Workbench tools can be accessed from the '''Points''' menu. Some tools are also available in the '''Points tools''' toolbar.
  
A point cloud is a collection of points in 3D space. A point cloud is generally produced by scanning the surface of a solid object. Then the cloud of points can be used for many purposes including building a mesh for the object, reconstructing the surfaces and solid volumes, reverse engineering, as well as for visualization and quality inspection of parts.
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* [[Image:Points_Convert.svg|32px]] [[Points_Convert|Convert to points...]]: Creates point clouds from shape objects.
  
== Tools ==
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* [[Image:Points_Structure.svg|32px]] [[Points_Structure|Structured point cloud]]: Creates a structured point cloud from the points of an existing point cloud.
  
* [[Image:Points_Import_Point_cloud.svg|32px]] [[Points_Import|Import]]: imports a point cloud from a text file.
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* [[Image:Points_Import.svg|32px]] [[Points_Import|Import points...]]: Imports a point cloud from a file.
* [[Image:Points_Export_Point_cloud.svg|32px]] [[Points_Export|Export]]: exports a point cloud to a text file.
 
* [[Image:Points_Transform.png|32px]] [[Points_Transform|Transform]]: transforms a point cloud.
 
* [[Image:Points_Convert.png|32px]] [[Points_Convert|Convert]]: converts to points.
 
* [[Image:PolygonPick.svg|32px]] [[Points PolyCut|Polygon cut]]: cuts a point cloud with a picked polygon.
 
* [[Image:Points_Merge.png|32px]] [[Points Merge|Merge]]: merge several point clouds into one.
 
  
==Notes==
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* [[Image:Points_Export.svg|32px]] [[Points_Export|Export points...]]: Exports a point cloud to a file.
  
It is also possible to use the tools from the [[Image:Workbench_Draft.svg|24px]] [[Draft Workbench|Draft Workbench]] to connect the points using Draft objects such as [[Image:Draft_Line.svg|24px]] [[Draft Line|Lines]] and [[Image:Draft_BSpline.svg|24px]] [[Draft BSpline|Splines]]. Using the [[Image:Snap_Endpoint.svg|24px]] [[Draft Endpoint|Endpoint]] snapping method will ensure that the tools snap to the imported points.
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* [[Image:Points_PolyCut.svg|32px]] [[Points_PolyCut|Cut point cloud]]: Cuts points from point clouds.
  
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* [[Image:Points_Merge.svg|32px]] [[Points_Merge|Merge point clouds]]: Creates a point cloud by combining the points of two or more point clouds.
  
== Limitations ==
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==Notes==
At the moment the workbench has no automatic routines to deal with the imported points, but the user can use [[Python]] scripting to programmatically process the data.
 
  
See the discussions in the forum:  
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* [[Draft_Workbench|Draft]] commands such as [[Image:Draft_Line.svg|24px]] [[Draft_Line|Draft Line]] and [[Image:Draft_BSpline.svg|24px]] [[Draft_BSpline|Draft BSpline]] can be used to connect the points in a point cloud. Use [[Image:Draft_Snap_Endpoint.svg|24px]] [[Draft_Snap_Endpoint|Draft Snap Endpoint]] to snap to the points.
* [http://forum.freecadweb.org/viewtopic.php?f=13&t=15988 Fläche aus Messwerten] (German)
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* [[Python]] can be used to analyze and process point clouds. See the following forum discussions:
* [http://forum.freecadweb.org/viewtopic.php?f=13&t=16103 Schnitte durch Flächen aus Messwerten] (German)
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** [http://forum.freecadweb.org/viewtopic.php?f=3&t=16098 Inspecting Point cloud].
* [http://forum.freecadweb.org/viewtopic.php?f=3&t=16098 Inspecting Point cloud].
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** [http://forum.freecadweb.org/viewtopic.php?f=13&t=15988 Fläche aus Messwerten] (German)
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** [http://forum.freecadweb.org/viewtopic.php?f=13&t=16103 Schnitte durch Flächen aus Messwerten] (German)
  
  
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{{Points Tools navi/zh}}
 
 
{{Userdocnavi/zh}}
 
 
[[Category:Workbenches]]
 
 
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Latest revision as of 14:24, 16 August 2021

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Points workbench icon

Introduction

The Workbench Points.svg Points Workbench offers specific tools for working with point clouds. The workbench is still in development.

A point cloud is a collection of points in 3D space. A point cloud is generally produced by scanning the surface of a solid object. The cloud of points can then be used for many purposes including building a mesh for the object, reconstructing the surfaces and solid volumes, reverse engineering, as well as for visualization and quality inspection.

Tools

All Points Workbench tools can be accessed from the Points menu. Some tools are also available in the Points tools toolbar.

  • Points Merge.svg Merge point clouds: Creates a point cloud by combining the points of two or more point clouds.

Notes