Draft WireToBSpline/de: Difference between revisions

From FreeCAD Documentation
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(Updating to match new version of source page)
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{{Docnav
{{Docnav|[[Draft_SubelementHighlight|Subelement highlight]]|[[Draft_AddPoint|Add point]]|[[Draft_Module|Draft]]|IconL=Draft_SubelementHighlight.svg|IconC=Workbench_Draft.svg|IconR=Draft_AddPoint.svg}}
|[[Draft_SubelementHighlight|Subelement highlight]]
|[[Draft_AddPoint|Add point]]|[[Draft_Module|Draft]]
|IconL=Draft_SubelementHighlight.svg
|IconC=Workbench_Draft.svg
|IconR=Draft_AddPoint.svg
}}


<div class="mw-translate-fuzzy">
<div class="mw-translate-fuzzy">
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==Description==
==Description==


This tool converts [[Draft Wire]]s to [[Draft BSpline]]s, and vice-versa.
This tool converts [[Draft Wire|Draft Wires]] to [[Draft BSpline|Draft BSplines]], and vice-versa.


[[Image:Draft Wire2BSpline example.jpg|400px]]
[[Image:Draft Wire2BSpline example.jpg|400px]]
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==How to use==
==How to use==


# Select a [[Draft Wire]] or a [[Draft BSpline]]. The tool is disabled if no object is selected.
# Select a [[Draft Wire|Draft Wire]] or a [[Draft BSpline|Draft BSpline]]. The tool is disabled if no object is selected.
# Press the {{Button|[[Image:Draft WireToBSpline.svg|16px]] [[Draft WireToBSpline]]}} button.
# Press the {{Button|[[Image:Draft WireToBSpline.svg|16px]] [[Draft WireToBSpline|Draft WireToBSpline]]}} button.


A new object will be created; the original object will not be modified.
A new object will be created; the original object will not be modified.
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==Scripting==
==Scripting==
{{Emphasis|See also:}} [[Draft API]] and [[FreeCAD Scripting Basics]].
{{Emphasis|See also:}} [[Draft API|Draft API]] and [[FreeCAD Scripting Basics|FreeCAD Scripting Basics]].


There is no programming interface available for the WireToBSpline tool; however, creating a new object from the points of another is simple.
There is no programming interface available for the WireToBSpline tool; however, creating a new object from the points of another is simple.
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{{Docnav
{{Docnav|[[Draft_SubelementHighlight|Subelement highlight]]|[[Draft_AddPoint|Add point]]|[[Draft_Module|Draft]]|IconL=Draft_SubelementHighlight.svg|IconC=Workbench_Draft.svg|IconR=Draft_AddPoint.svg}}
|[[Draft_SubelementHighlight|Subelement highlight]]
|[[Draft_AddPoint|Add point]]
|[[Draft_Module|Draft]]
|IconL=Draft_SubelementHighlight.svg
|IconC=Workbench_Draft.svg
|IconR=Draft_AddPoint.svg
}}


{{Draft Tools navi}}
{{Draft Tools navi}}

Revision as of 09:38, 29 November 2019

Other languages:

Draft WireToBSpline

Menüeintrag
Drafting → Wire to BSpline
Arbeitsbereich
Draft, Arch
Standardtastenkürzel
Keiner
Eingeführt in Version
-
Siehe auch
Keiner

Description

This tool converts Draft Wires to Draft BSplines, and vice-versa.

Convertir a wire to a B-Spline, and a closed B-Spline to a closed wire

How to use

  1. Select a Draft Wire or a Draft BSpline. The tool is disabled if no object is selected.
  2. Press the Draft WireToBSpline button.

A new object will be created; the original object will not be modified.

Note: if a closed wire with sharp edges is used to create a spline, the new object may have self intersecting curve segments, and may not be visible in the 3D view. If this is the case, manually set DatenMake Face to false to see the new shape, or set DatenClosed to false to create an open shape.

Options

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

Scripting

See also: Draft API and FreeCAD Scripting Basics.

There is no programming interface available for the WireToBSpline tool; however, creating a new object from the points of another is simple.

The Points attribute of an object is a list with the points that comprise that object; this list can be passed to functions that build geometry. Each point is defined by its FreeCAD.Vector, with units in millimeters.

Example: 

import FreeCAD, Draft

# Make a spline from the points of a wire
p1 = FreeCAD.Vector(1000, 1000, 0)
p2 = FreeCAD.Vector(2000, 1000, 0)
p3 = FreeCAD.Vector(2500, -1000, 0)
p4 = FreeCAD.Vector(3500, -500, 0)

base_wire = Draft.makeWire([p1, p2, p3, p4])

points1 = base_wire.Points
spline = Draft.makeBSpline(points1)

# Make a wire from the points of a spline
base_spline = Draft.makeBSpline([-p1, -1.3*p2, -1.2*p3, -2.1*p4])

points2 = base_spline.Points
Wire = Draft.makeWire(points2)
Draft
User documentation
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