Example #1
0
  void step_learn( int key )
  {
    // one input
    // Eigen::VectorXd i1 = Eigen::VectorXd::Random(1);
    // i1 = (i1.array() - -1.0) / (1.0 - -1.0);
	Eigen::VectorXd i1(1);
	i1 << (double) (_nb_iter % 3) / 4.0 + 0.1;
	
    _rdsom->forward( i1 );
    _rdsom->deltaW( i1, 0.1, 0.2, true );

    _c_weights.clear();
    _c_sim_input.clear();
    _c_sim_rec.clear();
    _c_sim_merged.clear();
    _c_sim_convol.clear();
	_c_sim_hn_dist.clear();
	_c_sim_hn_rec.clear();
    for( unsigned int i = 0; i < _rdsom->v_neur.size(); ++i) {
      _c_weights.add_sample( {(double)i, _rdsom->v_neur[i]->weights(0), 0.0} ); 
      _c_sim_input.add_sample( {(double)i, _rdsom->_sim_w[i], 0.0} );
      _c_sim_rec.add_sample( {(double)i, _rdsom->_sim_rec[i], 0.0} );
      _c_sim_merged.add_sample( {(double)i, _rdsom->_sim_merged[i], 0.0} );
      _c_sim_convol.add_sample( {(double)i, _rdsom->_sim_convol[i], 0.0} );
	  _c_sim_hn_dist.add_sample( {(double)i, _rdsom->_sim_hn_dist[i], 0.0} );
	  _c_sim_hn_rec.add_sample( {(double)i, _rdsom->_sim_hn_rec[i], 0.0} );
	}

	_nb_iter++;
  }
Example #2
0
Surface makeSurfRev(const Curve &profile, unsigned steps)
{
    Surface surface;
    
    if (!checkFlat(profile))
    {
        cerr << "surfRev profile curve must be flat on xy plane." << endl;
        exit(0);
    }
    double angle = 2*PI/steps;
    Matrix3f M =  Matrix3f((float)cos(angle),0,(float)sin(angle),
			   0,1,0,
			   (float)(-sin(angle)),0,(float)cos(angle));
    M.transpose();
    Curve c = profile;
    int numPoints = c.size();
    for(unsigned s=0;s<steps;s++){
      Curve newc;
      for (unsigned i=0;i<numPoints;i++){
	CurvePoint cp  = c[i];
	surface.VV.push_back(cp.V);
	surface.VN.push_back(-cp.N);
	Vector3f newV = M*cp.V;
	Vector3f newN = M*cp.N;
	newN.normalize();
	struct CurvePoint newP = {newV, cp.T,newN,cp.B};
	newc.push_back(newP);
      }
      c = newc;
      newc.clear();
    }

    int another;
    for(unsigned s=0;s<steps;s++){
      if(s==steps-1){
        another=0;
      }else{
	another = s+1;
      }
      for(unsigned i=0;i<numPoints-1;i++){
	surface.VF.push_back(Tup3u(s*numPoints+i,another*numPoints+i,another*numPoints+i+1));
	surface.VF.push_back(Tup3u(s*numPoints+i,another*numPoints+i+1,s*numPoints+i+1));
      }
    }
    return surface;
}
Example #3
0
Surface makeGenCyl(const Curve &profile, const Curve &sweep )
{
    Surface surface;

    if (!checkFlat(profile))
    {
        cerr << "genCyl profile curve must be flat on xy plane." << endl;
        exit(0);
    }

    // TODO: Here you should build the surface.  See surf.h for details.
    Curve c = profile;
    Curve sweepL = sweep;
    unsigned step = sweep.size();
    Matrix4f transform;
    Matrix4f transinverse;
    Curve newc;
    vector<Curve> clist;
    for(unsigned i=0;i<step;i++){//sweepL.size();i++){
      CurvePoint p = sweepL[i];
      transform = getTransform(p);
      transinverse = transform.inverse();
      transinverse.transpose();
      newc.clear();
      for(unsigned j=0;j<c.size();j++){
	Vector4f tempV = transform*Vector4f(c[j].V,1);
	Vector4f tempN = transinverse*Vector4f(c[j].N,1);
	Vector3f newV = Vector3f(tempV[0],tempV[1],tempV[2]);
	Vector3f newN = Vector3f(-tempN[0],-tempN[1],-tempN[2]);
	struct CurvePoint newp = {newV,c[j].T,newN,c[j].B};
	newc.push_back(newp);
      }
      clist.push_back(newc);
    }
    for(unsigned k=0;k<clist.size()-1;k++){
      pushVV(surface,clist[k]);
      addTriangle(surface,clist[k],clist[k+1],k);
    }
    pushVV(surface,clist[clist.size()-1]);
    pushVV(surface,clist[0]);
    addTriangle(surface,clist[clist.size()-1],clist[0],clist.size()-1);
    return surface;
}