Macro crank simul/fr: Difference between revisions
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Cette animation simple utilise une esquisse et le solveur afin de déterminer la position et la rotation du piston et de la bielle. |
Cette animation simple utilise une esquisse et le solveur afin de déterminer la position et la rotation du piston et de la bielle. |
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[[File:Crank 00.gif|left]]{{clear}} |
[[File:Crank 00.gif|left]]{{clear}} |
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=== |
===Use=== |
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To test the animation: |
To test the animation: |
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Download the files copy the code in the Python console FreeCAD. |
Download the files and copy the code in the Python console FreeCAD. |
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1. Open the attached file |
1. Open the attached file |
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To stop animation type : |
To stop animation type : |
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{{Code|code= |
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<syntaxhighlight> |
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animation.stop() |
animation.stop() |
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}} |
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</syntaxhighlight> |
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===The File=== |
===The File=== |
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[http://forum.freecadweb.org/download/file.php?id=5954 crank_simul.fcstd] |
[http://forum.freecadweb.org/download/file.php?id=5954 crank_simul.fcstd] |
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</syntaxhighlight> |
</syntaxhighlight> |
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=== |
===Links=== |
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The |
The forum discussion [http://forum.freecadweb.org/viewtopic.php?f=24&t=6815&hilit=animation#p55092 Inline-four engine animation] |
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The blog [http://freecad-tutorial.blogspot.be/ freecad-tutorial.blogspot] |
The blog [http://freecad-tutorial.blogspot.be/ freecad-tutorial.blogspot] |
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Revision as of 19:25, 1 January 2015
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File:Text-x-python Crank Simul |
| Description |
|---|
| Crank simulation. Auteur: kwahoo |
| Auteur |
| kwahoo |
| Téléchargement |
| None |
| Liens |
| Page des macros Comment installer une macro Comment créer une barre d'outils |
| Version Macro |
| 1.0 |
| Dernière modification |
| None |
| Version(s) FreeCAD |
| None |
| Raccourci clavier |
| None |
| Voir aussi |
| None |
Cette animation simple utilise une esquisse et le solveur afin de déterminer la position et la rotation du piston et de la bielle.
Use
To test the animation:
Download the files and copy the code in the Python console FreeCAD.
1. Open the attached file
To stop animation type :
animation.stop()
The File
Script
crank_simul.FCMacro
import FreeCAD as App, FreeCADGui as Gui, Part, time, sys, math, Draft, DraftGeomUtils
from PyQt4 import QtGui,QtCore
class Animation(object):
def __init__(self):
App.Console.PrintMessage('init')
App.ActiveDocument.recompute()
self.timer = QtCore.QTimer()
QtCore.QObject.connect(self.timer, QtCore.SIGNAL("timeout()"), self.my_update)
self.timer.start(50)
self.an = 0.1
def my_update(self):
string = '{0}'.format(self.an)
self.an = self.an + 0.01 if self.an < (2 * math.pi) else 0.0
angle = math.degrees(self.an)
App.ActiveDocument.Sketch.setDatum(5,App.Units.Quantity(str(angle)+' deg'))
App.ActiveDocument.recompute()
p1 = App.ActiveDocument.Sketch.Shape.Vertexes[0].Point
p2 = App.ActiveDocument.Sketch.Shape.Vertexes[1].Point
conrodangle = math.degrees(Draft.DraftVecUtils.angle(App.Vector(1,0,0),(p1-p2))) - 90
App.ActiveDocument.getObject("Cylinder").Placement = App.Placement(p1,App.Rotation(App.Vector(1,0,0),-90))
App.ActiveDocument.getObject("Sketch001").Placement = App.Placement(p1,App.Rotation(App.Vector(0,0,1),conrodangle))
def stop(self):
self.timer.stop()
animation = Animation()Links
The forum discussion Inline-four engine animation
The blog freecad-tutorial.blogspot