Question #665341 on Yade changed:

    Status: Needs information => Open

JOHN gave more information on the question:
I have explained what i wanted very badly, let me try again.

I have a library  (so)  of c++ helper functions with the approporiate boost 
wrappers to python.
Ideally, i would like to include there all the yade parts that require 
iteration through all  the Yadebodies component. Like this function
def checkAndDelete(boundaries):

 for b in O.bodies:

  if isinstance(b.shape,Sphere):

   x,y,z = b.state.pos

   if (x<boundaries[0] or x>boundaries[1] or y<boundaries[2] or
y>boundaries[3] or z<boundaries[4] or z>boundaries[5]): # modify this
condition to your needs



then i would ideally like to import the library to the yade script and instead 
of calling a python function call something like 

Unfortunately, to do this i need to somehow define what a body is.  I searched 
my computer for the body.cpp etc, but since i installed it using sudo-apt-get 
install i didnt get the git content but rather some library and python files. 
I then tried downloading the core folder from git and used the following very 
simple c++ code to see if i can import the cpp files.


using namespace std;

int main(){
return 0;}

which promptly returned

In file included from /usr/include/boost/python/detail/prefix.hpp:13:0,
                 from /usr/include/boost/python/args.hpp:8,
                 from /usr/include/boost/python.hpp:11,
                 from /home/john/Desktop/bodies/lib/base/Math.hpp:54,
                 from /home/john/Desktop/bodies/Shape.hpp:11,
                 from /home/john/Desktop/bodies/Body.hpp:12,
                 from include.cpp:2:
/usr/include/boost/python/detail/wrap_python.hpp:50:23: fatal error: 
pyconfig.h: No such file or directory
compilation terminated.

And right now I am at a loss.I  do not want to modify the source code

Perhaps instead of using the body container, is there a way to pass as a 
(vector, list,anything) all the positions of the particles for example and 
handle them as a vector in the c++ code? And similarly return them as vector 
and integrade them in the body container without much overhead?

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