chiara modenese a écrit :
I tried to modify the value of gravity accessing the engine in the
TriaxialCompressionEngine, but still it does nothing..
How did you try to do this ? Normally with following lines in TCEngine,
I guess it should work. They allow you to pass through all the engines
of the simulation, and to change the "gravity" attribute of the
"GravityEngine", once you found it.
vector<shared_ptr<Engine> >::iterator itFirst =
ncb->engines.begin(); // ncb is the Scene
vector<shared_ptr<Engine> >::iterator itLast =
ncb->engines.end();
for ( ;itFirst!=itLast; ++itFirst ) // you check all the
engines of the simulation
{
if ( ( *itFirst )->getClassName() == "GravityEngine" )
// that's the ClassName of this Engine, as it is defined in the first
argument of YADE_CLASS_BASE_DOC_ATTRS of the .hpp (I guess ? I'm more
used to other syntax, with REGISTER_CLASS_NAME(...))
{
PtrGravityEngine = YADE_PTR_CAST<GravityEngine> (
*itFirst ); // PtrGravityEngine should before be declared as a
shared_ptr<GravityEngine>....
PtrGravityEngine ->gravity = "the value you want"
}
}
Jerome
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