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//
// Copyright (C) : Please refer to the COPYRIGHT file distributed
// with this source distribution.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
///////////////////////////////////////////////////////////////////////////////
# include "AdvancedFunctions1D.h"
# include "../view_map/SteerableViewMap.h"
# include "Canvas.h"
// FIXME
namespace Functions1D {
real GetSteerableViewMapDensityF1D::operator()(Interface1D& inter) {
SteerableViewMap * svm = Canvas::getInstance()->getSteerableViewMap();
Interface0DIterator it = inter.pointsBegin(_sampling);
Interface0DIterator itnext = it;++itnext;
FEdge *fe;
unsigned nSVM;
vector<float> values;
while(!itnext.isEnd()){
Interface0D& i0D = (*it);
Interface0D& i0Dnext = (*itnext);
fe = i0D.getFEdge(i0Dnext);
if(fe == 0){
cerr << "GetSteerableViewMapDensityF1D warning: no FEdge between " << i0D.getId() << " and " << i0Dnext.getId() << endl;
// compute the direction between these two ???
Vec2f dir = i0Dnext.getPoint2D()-i0D.getPoint2D();
nSVM = svm->getSVMNumber(dir);
}else{
nSVM = svm->getSVMNumber(fe->getId().getFirst());
}
Vec2r m((i0D.getProjectedX()+i0Dnext.getProjectedX())/2.0,
(i0D.getProjectedY()+i0Dnext.getProjectedY())/2.0);
values.push_back(svm->readSteerableViewMapPixel(nSVM,_level,(int)m[0],(int)m[1]));
++it;++itnext;
}
float res, res_tmp;
vector<float>::iterator v = values.begin(), vend=values.end();
unsigned size = 1;
switch(_integration) {
case MIN:
res = *v;++v;
for (; v!=vend; ++v) {
res_tmp = *v;
if (res_tmp < res)
res = res_tmp;
}
break;
case MAX:
res = *v;++v;
for (; v!=vend; ++v) {
res_tmp = *v;
if (res_tmp > res)
res = res_tmp;
}
break;
case FIRST:
res = *v;
break;
case LAST:
--vend;
res = *vend;
break;
case MEAN:
default:
res = *v;++v;
for (; v!=vend; ++v, ++size)
res += *v;
res /= (size ? size : 1);
break;
}
return res;
}
double GetDirectionalViewMapDensityF1D::operator()(Interface1D& inter) {
//soc unsigned size;
double res = integrate(_fun, inter.pointsBegin(_sampling), inter.pointsEnd(_sampling), _integration);
return res;
}
double GetCompleteViewMapDensityF1D::operator()(Interface1D& inter) {
//soc unsigned size;
Id id = inter.getId();
double res = integrate(_fun, inter.pointsBegin(_sampling), inter.pointsEnd(_sampling), _integration);
return res;
}
real GetViewMapGradientNormF1D::operator()(Interface1D& inter){
return integrate(_func, inter.pointsBegin(_sampling), inter.pointsEnd(_sampling), _integration);
}
}
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