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Macro Assembly

{{Macro |Name=Assembly Simulation |Icon=Macro_Assembly.png |Description=FreeCad Python assembly animation. |Author=ralvejd |Version=1.0 |Date=2014-08-08 |FCVersion=0.18 and below |Download=The file [http://forum.freecadweb.org/download/file.php?id=6740 Assy.fcstd]
[https://www.freecadweb.org/wiki/images/a/a2/Macro_Assembly.png ToolBar Icon] }}

Description

Simulate assembly .

Uses

Download the files in FreeCAD and run the macro

The File

Assy.fcstd

Script

ToolBar Icon

Macro_Assembly.FCMacro

{{MacroCode|code=

#******************************************************************************

Assembly animation by Joakim Isaksson 20140803

#******************************************************************************

import FreeCAD, FreeCADGui, Draft, Part from FreeCAD import Gui import math from pivy import coin from PySide import QtCore, QtGui from time import sleep

+ + + + + + BEGIN Animation configuration + + + + + +

doc_name = "Assy" # The document name of the FreeCAD model ani_startwait = 3000 # Milliseconds before the animation starting ani_partwait = 50 # Milliseconds before the part begin to move ani_bitrate = 10 # Milliseconds between part moves ani_dist = 5 # Distance part moves each time ani_offset_dist = 200 # Distance part is moved before the animation starts

Tuples for all parts label

* First item in Tuples is the animation view angle

* The remaining items are label on parts to be assembled in list sequence

ani_1 = ( "z-" , "ChassieBack_001" , "ChassieWall_001" , "ChassieWall_002" , "ChassieWall_003" , "ChassieWall_004" , "ChassieWall_005" , "ChassieFront_001" ) ; ani_2 = ( "z-" , "ISO4762_M4x12_001" , "ISO4762_M4x12_002" , "ISO4762_M4x12_003" , "ISO4762_M4x12_004" , "ISO4762_M4x12_005" , "ISO4762_M4x12_006" , "ISO4762_M4x12_007" , "ISO4762_M4x12_008" , "ISO4762_M4x12_009" , "ISO4762_M4x12_010" ) ; ani_3 = ( "z+" , "ISO4762_M4x12_011" , "ISO4762_M4x12_012" , "ISO4762_M4x12_013" , "ISO4762_M4x12_014" , "ISO4762_M4x12_015" , "ISO4762_M4x12_016" , "ISO4762_M4x12_017" , "ISO4762_M4x12_018" , "ISO4762_M4x12_019" , "ISO4762_M4x12_020" ) ; ani_4 = ( "z+" , "EuroCard_001" , "EuroCard_002" , "EuroCard_003" , "EuroCard_004" ) ; ani_5 = ( "z+" , "Panel_005" , "Panel_006" , "Panel_007" , "Panel_008" ) ; ani_6 = ( "z+" , "ISO7380_M3x8_" , "ISO7380_M3x8_001" , "ISO7380_M3x8_002" , "ISO7380_M3x8_003" , "ISO7380_M3x8_004" , "ISO7380_M3x8_005" , "ISO7380_M3x8_006" , "ISO7380_M3x8_007" , "ISO7380_M3x8_008" , "ISO7380_M3x8_009" ) ; ani_7 = ( "z-" , "Panel_001" , "Panel_002" , "Panel_003" , "Panel_004" ) ; ani_8 = ( "z-" , "ISO7380_M3x8_010" , "ISO7380_M3x8_011" , "ISO7380_M3x8_012" , "ISO7380_M3x8_013" , "ISO7380_M3x8_014" , "ISO7380_M3x8_015" , "ISO7380_M3x8_016" , "ISO7380_M3x8_017" , "ISO7380_M3x8_018" , "ISO7380_M3x8_019" ) ; ani_9 = ( "y-" , "LidBottom_001" ) ; ani_10 = ( "y-" , "ISO10642_M3x8_" , "ISO10642_M3x8_001" , "ISO10642_M3x8_002" , "ISO10642_M3x8_003" , "ISO10642_M3x8_004" , "ISO10642_M3x8_005" , "ISO10642_M3x8_006" , "ISO10642_M3x8_007" , "ISO10642_M3x8_008" , "ISO10642_M3x8_009" ) ; ani_11 = ( "y+" , "LidTop_001" ) ; ani_12 = ( "y+" , "ISO10642_M3x8_010" , "ISO10642_M3x8_011" , "ISO10642_M3x8_012" , "ISO10642_M3x8_013" , "ISO10642_M3x8_014" , "ISO10642_M3x8_015" , "ISO10642_M3x8_016" , "ISO10642_M3x8_017" , "ISO10642_M3x8_018" , "ISO10642_M3x8_019" ) ;

Set the animation end view

ani_end = "z-"

Camera oriantations

* Edit this tuples to your need

rear_view_pos = ( -400 , -80 , 480 ) ; rear_view_ang = ( 0 , 1 , 0 ) ; front_view_pos = ( -400 , 80 , 480 ) ; front_view_ang = ( 0 , -1 , 0 ) ; top_view_pos = ( -400 , -80 , 480 ) ; top_view_ang = ( -1 , 0 , 0 ) ; bottom_view_pos = ( -400 , 80 , -480 ); bottom_view_ang = ( 1 , 0 , 0 ) ;

+ + + + + + END Animation configuration + + + + + +

+ + + + + + Function + + + + + +

def pulse(milliseconds): for i in range(milliseconds/10 ): Gui.updateGui( ) sleep(0.01)

def setView(axis_vector, rotation_vector): r=App.Rotation(App.Vector(axis_vector),App.Vector(rotation_vector)) Gui.ActiveDocument.ActiveView.setCameraOrientation(r.Q)

def getPartName(label): for i in App.ActiveDocument.Objects: if str(i.Label) == label: #App.Console.PrintMessage(str(i.Name) + " <-> " + i.Label + "\n") return str(i.Name)

def animate(aniList): total = len(aniList) for n in range(1,total): direction = aniList[0] #App.Console.PrintMessage(str(aniList) + " : " + str(direction) + "\n") part_name = getPartName(aniList[n]) tmpX = App.getDocument(doc_name).getObject(part_name).Placement.Base[0] tmpY = App.getDocument(doc_name).getObject(part_name).Placement.Base[1] tmpZ = App.getDocument(doc_name).getObject(part_name).Placement.Base[2] tmpRotation=App.ActiveDocument.getObject(part_name).Placement.Rotation #Show the part if direction == "x+": #TODO not tested setView(rear_view_pos , rear_view_ang) tmpDist = tmpX + ani_offset_dist sel = FreeCADGui.Selection.clearSelection (doc_name ) App.ActiveDocument.getObject(part_name).Placement=App.Placement
(App.Vector(tmpX,tmpDist,tmpZ), App.Rotation(tmpRotation),
App.Vector(0,0,0)) Gui.getDocument(doc_name).getObject(part_name).Visibility=True pulse(ani_partwait)

     for i in range(0,ani_step):
        tmpDist = tmpDist - ani_dist
        App.ActiveDocument.getObject(part_name).Placement=\
               App.Placement(App.Vector(tmpX,tmpDist,tmpZ),\
               App.Rotation(tmpRotation), App.Vector(0,0,0))
        pulse(ani_bitrate)

  elif direction == "x-":   #TODO not tested
     setView(front_view_pos , front_view_ang)
     tmpDist = tmpX - ani_offset_dist
     sel = FreeCADGui.Selection.clearSelection (doc_name )
     App.ActiveDocument.getObject(part_name).Placement=App.Placement\
           (App.Vector(tmpX,tmpDist,tmpZ),\
           App.Rotation(tmpRotation), App.Vector(0,0,0))
     Gui.getDocument(doc_name).getObject(part_name).Visibility=True
     pulse(ani_partwait)
     
     for i in range(0,ani_step):
        tmpDist = tmpDist + ani_dist
        App.ActiveDocument.getObject(part_name).Placement=App.\
               Placement(App.Vector(tmpX,tmpDist,tmpZ),\
               App.Rotation(tmpRotation), App.Vector(0,0,0))
        pulse(ani_bitrate)

  elif direction == "y+":
     setView(rear_view_pos , rear_view_ang)
     tmpDist = tmpY + ani_offset_dist
     sel = FreeCADGui.Selection.clearSelection (doc_name )
     App.ActiveDocument.getObject(part_name).Placement=App.Placement\
           (App.Vector(tmpX,tmpDist,tmpZ), App.Rotation(tmpRotation),\
           App.Vector(0,0,0))
     Gui.getDocument(doc_name).getObject(part_name).Visibility=True
     pulse(ani_partwait)
     
     for i in range(0,ani_step):
        tmpDist = tmpDist - ani_dist
        App.ActiveDocument.getObject(part_name).Placement=App.\
               Placement(App.Vector(tmpX,tmpDist,tmpZ),\
               App.Rotation(tmpRotation),App.Vector(0,0,0))
        pulse(ani_bitrate)

  elif direction == "y-":
     setView(front_view_pos , front_view_ang)
     tmpDist = tmpY - ani_offset_dist
     sel = FreeCADGui.Selection.clearSelection (doc_name )
     App.ActiveDocument.getObject(part_name).Placement=App.Placement\
           (App.Vector(tmpX,tmpDist,tmpZ), App.Rotation(tmpRotation),\
           App.Vector(0,0,0))
     Gui.getDocument(doc_name).getObject(part_name).Visibility=True
     pulse(ani_partwait)
     
     for i in range(0,ani_step):
        tmpDist = tmpDist + ani_dist
        App.ActiveDocument.getObject(part_name).Placement=App.\
               Placement(App.Vector(tmpX,tmpDist,tmpZ),\
               App.Rotation(tmpRotation), App.Vector(0,0,0))
        pulse(ani_bitrate)

  elif direction == "z+":
     setView(top_view_pos , top_view_ang)
     tmpDist = tmpZ +ani_offset_dist
     sel = FreeCADGui.Selection.clearSelection (doc_name )
     App.ActiveDocument.getObject(part_name).Placement=App.Placement\
           (App.Vector(tmpX,tmpY,tmpDist), App.Rotation(tmpRotation),\
           App.Vector(0,0,0))
     Gui.getDocument(doc_name).getObject(part_name).Visibility=True
     pulse(ani_partwait)
     
     for i in range(0,ani_step):
        tmpDist = tmpDist - ani_dist
        App.ActiveDocument.getObject(part_name).Placement=App.\
               Placement(App.Vector(tmpX,tmpY,tmpDist),\
               App.Rotation(tmpRotation), App.Vector(0,0,0))
        pulse(ani_bitrate)

  elif direction == "z-":
     setView(bottom_view_pos , bottom_view_ang)
     tmpDist = tmpZ - ani_offset_dist
     sel = FreeCADGui.Selection.clearSelection (doc_name )
     App.ActiveDocument.getObject(part_name).Placement=App.Placement\
           (App.Vector(tmpX,tmpY,tmpDist), App.Rotation(tmpRotation),\
           App.Vector(0,0,0))
     Gui.getDocument(doc_name).getObject(part_name).Visibility=True
     pulse(ani_partwait)
     
     for i in range(0,ani_step):
        tmpDist = tmpDist + ani_dist
        App.ActiveDocument.getObject(part_name).Placement=App.\
               Placement(App.Vector(tmpX,tmpY,tmpDist),\
               App.Rotation(tmpRotation), App.Vector(0,0,0))
        pulse(ani_bitrate)

def theend(direction): if direction == "x+": setView(rear_view_pos , rear_view_ang) elif direction == "x-": setView(front_view_pos , front_view_ang) elif direction == "y+": setView(rear_view_pos , rear_view_ang) elif direction == "y-": setView(front_view_pos , front_view_ang) elif direction == "z+": setView(top_view_pos , top_view_ang) elif direction == "z-": setView(bottom_view_pos , bottom_view_ang)

def startAnimation():

Animation sequence

animate(ani_1) animate(ani_2) animate(ani_3) animate(ani_4) animate(ani_5) animate(ani_6) animate(ani_7) animate(ani_8) animate(ani_9) animate(ani_10) animate(ani_11) animate(ani_12) theend(ani_end) Gui.ActiveDocument.ActiveView.startAnimating(0,1,0,0.2) #TODO fixit

+ + + + + + Main + + + + + +

Set full screen

App.setActiveDocument(doc_name) App.ActiveDocument=App.getDocument(doc_name) ActiveDocument=Gui.getDocument(doc_name) Gui.updateGui ( ) mw=QtGui.qApp.activeWindow() ev=QtGui.QKeyEvent(QtCore.QEvent.KeyPress,
QtCore.Qt.Key_F11,QtCore.Qt.NoModifier) QtGui.qApp.sendEvent(mw,ev)

A short break for the GUI to catch up

pulse(ani_startwait)

Adjust ani_offset if Modulus != 0

ani_offset_dist = ani_offset_dist - ani_offset_dist % ani_dist

Calculate the required number of steps for the animation

ani_step = ani_offset_dist / ani_dist

startAnimation() }}

Link

The page discussion FreeCad Python assembly animation

See the animation on YouTube.

documentation index > Macro Assembly