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FreeCAD-Doc/localwiki/Macro_Spring.html
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2018-07-08 12:11:49 -05:00

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<html><head><title>Macro Spring</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 Spring</h1></div>
<div id="mw-content-text" lang="en" dir="ltr" class="mw-content-ltr"><div class="mw-parser-output"><table class="fcinfobox wikitable ct" width="100%" style="float: right; width: 230px; margin-left: 10px;">
<tr>
<td class="ctTitle">
<h3><span class="mw-headline" id="Spring_Simul"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Text-x-python.png" class="image"><img alt="Text-x-python.png" src="32px-Text-x-python.png" width="32" height="32" srcset="/wiki/images/2/2c/Text-x-python.png 1.5x" /></a> Spring Simul</span></h3>
</td></tr>
<tr>
<th class="ctOdd">Description
</th></tr>
<tr>
<td class="ctEven left macro-description">Spring simulation.
</td></tr>
<tr>
<th class="ctOdd">Author
</th></tr>
<tr>
<td class="ctEven macro-author"><a href="https://www.freecadweb.org/wiki/index.php?title=User:Mario52" title="User:Mario52">Mario52</a>
</td></tr>
<tr>
<th class="ctOdd">Links
</th></tr>
<tr>
<td class="ctEven"><a href="Macros_recipes.html" title="Macros recipes">Macros recipes</a><br /><a href="How_to_install_macros.html" title="How to install macros">How to install macros</a><br /><a href="Customize_Toolbars.html" title="Customize Toolbars">How to customize toolbars</a>
</td></tr>
<tr>
<th class="ctOdd">Version
</th></tr>
<tr>
<td class="ctEven macro-version">1.0
</td></tr>
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<th class="ctOdd">Date last modification
</th></tr>
<tr>
<td class="ctEven macro-date">2014-09-29
</td></tr>
<tr>
<th class="ctOdd">
</th></tr>
<tr>
<td class="ctToc"><br /><div id="toc" class="toc"><div class="toctitle"><h2>Contents</h2></div>
<ul>
<li class="toclevel-1"><a href="#Spring_Simul"><span class="tocnumber">1</span> <span class="toctext">Spring Simul</span></a></li>
<li class="toclevel-1 tocsection-1"><a href="#Uses"><span class="tocnumber">2</span> <span class="toctext">Uses</span></a></li>
<li class="toclevel-1 tocsection-2"><a href="#The_File"><span class="tocnumber">3</span> <span class="toctext">The File</span></a></li>
<li class="toclevel-1 tocsection-3"><a href="#Script"><span class="tocnumber">4</span> <span class="toctext">Script</span></a></li>
<li class="toclevel-1 tocsection-4"><a href="#Link"><span class="tocnumber">5</span> <span class="toctext">Link</span></a></li>
</ul>
</div>
</td></tr>
</table>
<p><br />
</p><p>Simulates the compression and decompression of a spring.
</p>
<div class="floatleft"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Spring_00.gif" class="image"><img alt="Spring 00.gif" src="Spring_00.gif" width="425" height="412" /></a></div><div style="clear:both"></div>
<h2><span class="mw-headline" id="Uses">Uses</span></h2>
<p>Open the 2 files below (Spring.FCMacro and Spring.FCStd) in FreeCAD with 2 screens (Menu: Windows → Tile) and click in the window and the macro then press <span style="background: #DDDDDD; border: 1px solid #888888; padding: 0px 5px 1px 5px;">F6</span> (debug macro) to run the macro or run the macro with <a href="https://www.freecadweb.org/wiki/index.php?title=File:Macro-execute.svg" class="image"><img alt="Macro-execute.svg" src="Macro-execute.svg" width="64" height="64" /></a>
</p>
<div class="floatleft"><a href="https://www.freecadweb.org/wiki/index.php?title=File:Spring_02.png" class="image"><img alt="Spring 02.png" src="300px-Spring_02.png" width="300" height="155" srcset="/wiki/images/thumb/6/6b/Spring_02.png/450px-Spring_02.png 1.5x, /wiki/images/thumb/6/6b/Spring_02.png/600px-Spring_02.png 2x" /></a></div><div style="clear:both"></div>
<h2><span class="mw-headline" id="The_File">The File</span></h2>
<p><a rel="nofollow" class="external text" href="http://forum.freecadweb.org/download/file.php?id=7679">Spring.FCStd</a>
</p>
<h2><span class="mw-headline" id="Script">Script</span></h2>
<p>Spring.FCMacro
</p>
<pre>import FreeCAD, FreeCADGui, Draft, Part
from FreeCAD import Base
import time
ii = iib = FreeCAD.getDocument("Spring").getObject("Helix001").Pitch
i = ib = FreeCAD.getDocument("Spring").getObject("Helix001").Height
pas = 1
for ii2 in range(int(60)):
if pas == 0:
if ii &gt; iib-1:
pas = 1
else:
ii += 1
i = (ii * 10)
else:
if ii &lt; 2:
pas = 0
else:
ii -= 1
i = (ii * 10)
FreeCAD.getDocument("Spring").getObject("Helix001").Pitch = ii
FreeCAD.getDocument("Spring").getObject("Helix001").Height = i
App.Console.PrintMessage(str(ii2)+" " + str(ii)+" " + str(i)+" " + str(pas) +"\n")
Gui.updateGui()
time.sleep(0.1) # modify the time here
#FreeCAD.getDocument("Spring").getObject("Helix001").Pitch = iib
#FreeCAD.getDocument("Spring").getObject("Helix001").Height = ib </pre>
<p><b>Code for FreeCAD version 0.15</b>
</p>
<pre># For FreeCAD 0.15
import FreeCAD, FreeCADGui, Draft, Part
from FreeCAD import Base
import time
ii = iib = FreeCAD.getDocument("Spring").getObject("Helix001").Pitch.Value
i = ib = FreeCAD.getDocument("Spring").getObject("Helix001").Height.Value
pas = 1
for ii2 in range(int(60)):
if pas == 0:
print pas
if ii &gt; iib-1:
pas = 1
else:
ii += 1
i = (ii * 10)
print i," ",ii," else1"
else:
print pas
if ii &lt; 2:
pas = 0
else:
ii -= 1
i = (ii * 10)
print i," ",ii," else2"
FreeCAD.getDocument("Spring").getObject("Helix001").Pitch.Value = ii
FreeCAD.getDocument("Spring").getObject("Helix001").Height.Value = i
# App.Console.PrintMessage(str(ii2)+" " + str(ii)+" " + str(i)+" " + str(pas) +"\n")
Gui.updateGui()
time.sleep(0.1) # modify the time here
#FreeCAD.getDocument("Spring").getObject("Helix001").Pitch.Value = iib
#FreeCAD.getDocument("Spring").getObject("Helix001").Height.Value = ib </pre>
<h2><span class="mw-headline" id="Link">Link</span></h2>
<p>The forum discussion page: <a rel="nofollow" class="external text" href="http://forum.freecadweb.org/viewtopic.php?f=22&amp;t=7449#p62193">scripting animations</a>
</p>
<div style="clear:both"></div>
</div>
</div>
</div><div class="printfooter">
Online version: "<a dir="ltr" href="https://www.freecadweb.org/wiki/index.php?title=Macro_Spring&amp;oldid=239974">http://www.freecadweb.org/wiki/index.php?title=Macro_Spring&amp;oldid=239974</a>"</div>
<div id="catlinks" class="catlinks" data-mw="interface"></div><div class="visualClear"></div>
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<h2>Navigation menu</h2>
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