How to run a .py file several times?

[Zahra]

Hi,

I need to run a scene several times while at each run the applied force changes and the resulted mesh should be exported after a specified time steps with different name. I tried to add some loops in the python script but it is not working. Would any one help me regarding this?

The python script is available in the link below:

https://gist.github.com/zbounik/00fd0ecf1c2f3d4c4265b785aff054da

Best,

Zahra

[ElDiwiny]

Hi Zahra,

Can you attach this file /home/zahra/sofa/Work/testbygmsh/livertetra7509.msh

[Zahra]

Dear Marwa,

Sorry I forgot to include the mesh files. Below please find the required files:

livertetra7509.msh :
https://gist.github.com/zbounik/1264c9cafe37b83438e854cd44881bd9

livertetra181.gmsh:

https://gist.github.com/zbounik/5a5c4105cbe7d98c6120c584bb7b6a13

Best,

Zahra

[ElDiwiny]

Dear Zahra,

Kindly I am attaching the updated files for your scene in the following link: https://drive.google.com/open?id=1t-4KfJ4Y-c7d8XJlRcdR66Y9YQku4lZJ

As far as I understood from your question that you are looking for changing the value the constant force field applied at a specific time frame or by pressing a certain key.

For doing that: in the attached files, there is a separate liver_controller.py, where you can add two different approaches

def onKeyPressed(self,c):

or

def onBeginAnimationStep(self,dt): which I have added in the attached file

import Sofa
import os
from time import gmtime, strftime

class controller(Sofa.PythonScriptController):

     def initGraph(self, node):

            self.rootNode = node
            self.Liver= node.getChild('Liver')
            self.Visu_fine= self.Liver.getChild('Visu-fine')
            self.coarse = self.Liver.getChild('coarse')
            self.Visu_coarse= self.coarse.getChild('Visu-coarse')
            self.mainNode = 2;
            self.notYetDone=True
            self.totalTime = 0
     def onBeginAnimationStep(self,dt):
        self.totalTime+=dt
        forces=self.Liver.getObject('constantFF0').findData('forces').value
        
        if (self.totalTime<=0.4): 
            forces=[0,-120,0]
            self.Liver.getObject('constantFF0').findData('forces').value = forces;
            
            
        if ( 0.7 <self.totalTime<0.71):
            forces=[0,-50,0]
            self.Liver.getObject('constantFF0').findData('forces').value = forces;
            
            return 0
            
            

By checking the constant force field, the value of the force is changing, however, I dont fully understand your scene very well.

Can you check this first and let me know.

Best,
Marwa

[Zahra]

Dear Marwa,

Thank you very much for your reply. This is not what exactly I want to do, but your reply gave me some hints. I tried to check it, however, I have a big problem here: how can I run “liver_controller.py”? Should I add it to the end of my script? It is not working!

Thank you in advance,

Zahra

[ElDiwiny]

Dear Zahra,

I am so sorry for not understanding what you are looking forward to do in your scene. Concerning your question: you dont need to run liver_controller.py as it is already embedded in liver.py scene as follows:

rootNode.createObject('PythonScriptController', classname="controller", filename="liver_controller.py")

So, all you need to do is go to the directory of this folder (https://drive.google.com/drive/folders/1t-4KfJ4Y-c7d8XJlRcdR66Y9YQku4lZJ) where scene and its controller founded and just run the main scene liver.py

runSofa liver.py

Please let me know whether you need any further help.

[Author]

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