FreeCAD-Doc/localwiki/Macro_Make_Arc_3_Points-it.html
2018-07-19 18:47:02 -05:00

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<html><head><title>Macro Make Arc 3 Points/it</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><link type='text/css' href='wiki.css' rel='stylesheet'></head><body><h1>Macro Make Arc 3 Points/it</h1></div>
<div id="mw-content-text" lang="it" dir="ltr" class="mw-content-ltr"><hr/><div class="mw-parser-output"><table class="fcinfobox wikitable ct" width="100%" style="float: right; width: 230px; margin-left: 10px;">
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<td class="ctTitle">
<h3><span class="mw-headline" id="Arco_da_3_punti"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Macro_Make_Arc_3_Points.png" class="image"><img alt="Macro Make Arc 3 Points.png" src="32px-Macro_Make_Arc_3_Points.png" width="32" height="32" srcset="/wiki/images/thumb/9/92/Macro_Make_Arc_3_Points.png/48px-Macro_Make_Arc_3_Points.png 1.5x, /wiki/images/9/92/Macro_Make_Arc_3_Points.png 2x" /></a> Arco da 3 punti</span></h3>
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<th class="ctOdd">Descrizione
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<td class="ctEven left">Crea un arco da 3 punti selezionati.
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<th class="ctOdd">Autore
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=User:Mario52" title="User:Mario52">Mario52</a>
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<th class="ctOdd">Link
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<td class="ctEven"><a href="https://www.freecadweb.org/wiki/index.php?title=Macros_recipes/it" title="Macros recipes/it">Esempi di macro</a><br /><a href="https://www.freecadweb.org/wiki/index.php?title=How_to_install_macros/it" title="How to install macros/it">Come installare le Macro</a><br /><a href="https://www.freecadweb.org/wiki/index.php?title=Customize_Toolbars/it" title="Customize Toolbars/it">Personalizzare la barra degli strumenti</a>
</td></tr>
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<th class="ctOdd">Versione
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<td class="ctEven macro-version">01.00
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<th class="ctOdd">Data ultima modifica
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<td class="ctEven macro-date">2016-07-14
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<td class="ctToc"><br /><div id="toc" class="toc"><div class="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1"><a href="#Arco_da_3_punti"><span class="tocnumber">1</span> <span class="toctext">Arco da 3 punti</span></a></li>
<li class="toclevel-1 tocsection-1"><a href="#Descrizione"><span class="tocnumber">2</span> <span class="toctext">Descrizione</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="#Uso"><span class="tocnumber">3</span> <span class="toctext">Uso</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="#Script"><span class="tocnumber">4</span> <span class="toctext">Script</span></a></li>
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<p><br />
</p>
<h2><span class="mw-headline" id="Descrizione">Descrizione</span></h2>
<p>Questa macro crea un arco da 3 punti selezionati
</p>
<h2><span class="mw-headline" id="Uso">Uso</span></h2>
<p>Avviare la macro, poi selezionare 3 punti. Viene creato uno arco. Le coordinate e la lunghezza dell'arco sono visualizzati nella vista rapporto.
</p><p>Nota:non è necessario tenere premuto il tasto Ctrl
</p>
<h2><span class="mw-headline" id="Script">Script</span></h2>
<p>L'icona per la barra degli strumenti: <a href="https://www.freecadweb.org/wiki/index.php?title=File:Macro_Make_Arc_3_Points.png" class="image"><img alt="Macro Make Arc 3 Points.png" src="36px-Macro_Make_Arc_3_Points.png" width="36" height="36" srcset="/wiki/images/thumb/9/92/Macro_Make_Arc_3_Points.png/54px-Macro_Make_Arc_3_Points.png 1.5x, /wiki/images/9/92/Macro_Make_Arc_3_Points.png 2x" /></a>
</p><p>Macro_Make_Arc_3_Points.FCMacro
</p>
<pre># -*- coding: utf-8 -*-
from FreeCAD import Base
__title__ = "Macro_Make_Arc_3_points"
__author__ = "Mario52"
__url__ = "http://www.freecadweb.org/index-fr.html"
__version__ = "00.01"
__date__ = "14/07/2016"
global selected; selected = []
App = FreeCAD
class SelObserver:
print "Create Arc to 3 points ..."
def addSelection(self,doc,obj,sub,pnt): # Selection
global selected
selected.append(pnt)
if len(selected) == 1:
print "Point 1&#160;: ",FreeCAD.Vector(selected[0])
elif len(selected) == 2:
print "Point 2&#160;: ",FreeCAD.Vector(selected[1])
elif len(selected) == 3:
print "Point 3&#160;: ",FreeCAD.Vector(selected[2])
try:
C1 = Part.Arc(FreeCAD.Vector(selected[0]),FreeCAD.Vector(selected[1]),FreeCAD.Vector(selected[2]))
S1 = Part.Shape([C1])
W = Part.Wire(S1.Edges)
Part.show(W)
App.ActiveDocument.ActiveObject.Label = "Arc_3_Points"
print "Length &#160;: ",W.Length
except Exception:
print "Three points are collinear or bad selection"
del selected[:]
FreeCADGui.Selection.removeObserver(s)
print "End Make_Arc_3_Points"
print "_____________________"
s=SelObserver()
FreeCADGui.Selection.addObserver(s) </pre>
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