Signal1D.cpp

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/* ImLib3D
 * Copyright (c) 2001, ULP-IPB Strasbourg.
 *
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#include<ImLib3D/Signal1D.hpp>

void
LinearCompleteLowConfidence(Signal1Df &fct,vector<double> &confidence,float minconf)
{
    for(int x=0;x<fct.NbSambles();x++)
    {
        // if low confidence, look for two nearest hig conf
        if(confidence[x]<minconf)
        {
            double va,vb;
            int xa,xb;
            int ct=0,d=( x>fct.NbSambles()/2 ? -1 :1 );
            for(int xx=x;ct<=4;xx+=d)
            {
                if(xx<0 || xx>=(int)confidence.size()){ThrowError("xx overflow:%d",xx);}
                if(confidence[xx]>=minconf)
                {
                    if(ct==0){va=fct[xx];xa=xx;}
                    if(ct==4){vb=fct[xx];xb=xx;}
                    ct++;
                }
            }
            fct[x]=(x-xa)*(vb-va)/(float)(xb-xa)+va;
            printf("filling at:%d :pta:%d %f ptb:%d %f  ::%f \n",x,xa,va,xb,vb,fct[x]);
        }
    }
}


void 
Signal1Df::Read( ImLib3DFile *file,xmlpp::Element *parentNode,xmlpp::Element *node)
{
    node=CreateReadNode("Signal1Df",file,parentNode,node);
    xmlpp::Element *mNode=file->GetChild(node,"Size");
    values.resize(file->GetIntAttribute(mNode,"size"));
    mNode=file->GetChild(node,"Support");
    x0=file->GetDoubleAttribute(mNode,"x0");
    x1=file->GetDoubleAttribute(mNode,"x1");
    xmlpp::Element *dataN=file->GetChild(node,"SignalData");
    file->ReadBinaryNode(dataN);
    file->BinaryRead<float>(&values[0],&values[0]+values.size());

}

void 
Signal1Df::Write(ImLib3DFile *file,xmlpp::Element *parentNode,xmlpp::Element *node) const
{
    node=CreateWriteNode("Signal1Df",file,parentNode,node);
    xmlpp::Element *mNode=node->add_child("Size");
    mNode->set_attribute("size",SPrintf("%d",values.size()));
    mNode=node->add_child("Support");
    mNode->set_attribute("x0",SPrintf("%10.10f",x0));
    mNode->set_attribute("x1",SPrintf("%10.10f",x1));

    xmlpp::Element *dataN=node->add_child("SignalData");
    file->AddBinaryNode(dataN,values.size()*sizeof(float));
    // write image's binary block 
    file->BinaryWrite<float,const float *>(&values[0],&values[0]+values.size());

}

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