IntensityGraph.cpp

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// *****************************************************************
// Filename:    SensoryEgoSphere.cpp
// Copyright:   Kai Welke, Chair Prof. Dillmann (IAIM),
//              Institute for Computer Science and Engineering (CSE),
//              University of Karlsruhe. All rights reserved.
// Author:      Kai Welke
// Date:        21.07.2008
// *****************************************************************
 
// *****************************************************************
// includes
// *****************************************************************
#include "IntensityGraph.h"
//#include "Base/Math/DistributePoints.h"
//#include "MathTools.h"
//#include "Base/DataStructures/Graph/GraphProcessor.h"
 
#include <cfloat>
#include <fstream>
 
// *****************************************************************
// implementation of CIntensityNode
// *****************************************************************
CIntensityNode::CIntensityNode()
{
    setIntensity(0.0f);
}
 
CIntensityGraph::CIntensityGraph(const CIntensityGraph& prototype)
 
    = default;
 
CIntensityNode::CIntensityNode(TSphereCoord coord) : CSGNode(coord)
{
    setIntensity(0.0f);
}
 
CIntensityNode::~CIntensityNode() = default;
 
void
CIntensityNode::setIntensity(float fIntensity)
{
    m_fIntensity = fIntensity;
}
 
float
CIntensityNode::getIntensity()
{
    return m_fIntensity;
}
 
// *****************************************************************
// implementation of CIntensityGraph
// *****************************************************************
// *****************************************************************
// construction / destruction
// *****************************************************************
CIntensityGraph::CIntensityGraph()
{
    reset();
}
 
//CIntensityGraph::CIntensityGraph(int nNumberNodes)
//{
//  // generate points on sphere
//  points P = generatePoints(nNumberNodes,1000);
 
//  for(int i = 0 ; i < int(P.V.size()) ; i++)
//  {
//      // project point to polar coordinates
//      Vec3d point;
//      Math3d::SetVec(point,P.V.at(i).array()[0],P.V.at(i).array()[1],P.V.at(i).array()[2]);
//      TSphereCoord point_on_sphere;
//      MathTools::convert(point, point_on_sphere);
 
//      CIntensityNode* pNode = new CIntensityNode(point_on_sphere);
 
//      addNode(pNode);
//  }
 
//  // initialize
//  reset();
//}
 
CIntensityGraph::CIntensityGraph(std::string sFilename)
{
    printf("Reading intensity graph from: %s\n", sFilename.c_str());
 
    std::ifstream infile;
    infile.open(sFilename.c_str());
 
    read(infile);
 
    //printf("Read number nodes: %d\n", getNodes()->size());
    //printf("Read number edges: %d\n", getEdges()->size());
}
 
CIntensityGraph::~CIntensityGraph() = default;
 
CIntensityGraph&
CIntensityGraph::operator=(CIntensityGraph const& rhs)
{
    *((CSphericalGraph*)this) = (const CSphericalGraph)rhs;
    return *this;
}
 
// *****************************************************************
// setting
// *****************************************************************
void
CIntensityGraph::reset()
{
    set(0.0f);
}
 
void
CIntensityGraph::set(float fIntensity)
{
    TNodeList* pNodes = getNodes();
 
    for (auto& pNode : *pNodes)
    {
        ((CIntensityNode*)pNode)->setIntensity(fIntensity);
    }
}
 
// *****************************************************************
// file io
// *****************************************************************
bool
CIntensityGraph::read(std::istream& infile)
{
    try
    {
        int nNumberNodes;
 
        // read number of nodes
        infile >> nNumberNodes;
 
        // read all nodes
        for (int n = 0; n < nNumberNodes; n++)
        {
            readNode(infile);
        }
 
        // read number of edges
        int nNumberEdges;
        infile >> nNumberEdges;
 
        for (int e = 0; e < nNumberEdges; e++)
        {
            readEdge(infile);
        }
    }
    catch (std::istream::failure&)
    {
        printf("ERROR: failed to write FeatureGraph to file\n");
        return false;
    }
 
    return true;
}
 
bool
CIntensityGraph::readNode(std::istream& infile)
{
    CIntensityNode* pNewNode = getNewNode();
 
    int nIndex;
    TSphereCoord pos;
    float fIntensity;
 
    infile >> nIndex;
    infile >> pos.fPhi;
    infile >> pos.fTheta;
    infile >> fIntensity;
 
    pNewNode->setPosition(pos);
    pNewNode->setIntensity(fIntensity);
 
    int nTest = addNode(pNewNode);
 
    if (nTest != nIndex)
    {
        printf("Error input file inconsistent: %d %d\n", nTest, nIndex);
        return false;
    }
 
    return true;
}
 
bool
CIntensityGraph::readEdge(std::istream& infile)
{
    int nIndex1, nIndex2, nLeftFace, nRightFace;
 
    infile >> nIndex1;
    infile >> nIndex2;
 
    infile >> nLeftFace;
    infile >> nRightFace;
 
    addEdge(nIndex1, nIndex2, nLeftFace, nRightFace);
    return true;
}
 
bool
CIntensityGraph::write(std::ostream& outfile)
{
    try
    {
        int nNumberNodes = int(m_Nodes.size());
        // write number of nodes
        outfile << nNumberNodes << std::endl;
 
        // write all nodes
        for (int n = 0; n < nNumberNodes; n++)
        {
            writeNode(outfile, n);
        }
 
        // write number of edges
        int nNumberEdges = int(m_Edges.size());
        outfile << nNumberEdges << std::endl;
 
        for (int e = 0; e < nNumberEdges; e++)
        {
            writeEdge(outfile, e);
        }
    }
    catch (std::ostream::failure&)
    {
        printf("ERROR: failed to write FeatureGraph to file\n");
        return false;
    }
 
    return true;
}
 
bool
CIntensityGraph::writeNode(std::ostream& outfile, int n)
{
    CIntensityNode* pCurrentNode = (CIntensityNode*)m_Nodes.at(n);
 
    outfile << pCurrentNode->getIndex() << std::endl;
    outfile << pCurrentNode->getPosition().fPhi << std::endl;
    outfile << pCurrentNode->getPosition().fTheta << std::endl;
    outfile << pCurrentNode->getIntensity() << std::endl;
 
    outfile << std::endl;
    return true;
}
 
bool
CIntensityGraph::writeEdge(std::ostream& outfile, int e)
{
    CSGEdge* pCurrentEdge = m_Edges.at(e);
    outfile << pCurrentEdge->nIndex1 << " ";
    outfile << pCurrentEdge->nIndex2 << " ";
 
    outfile << pCurrentEdge->nLeftFace << " ";
    outfile << pCurrentEdge->nRightFace << " ";
 
    outfile << std::endl;
    return true;
}
 
void
CIntensityGraph::graphToVec(std::vector<float>& vec)
{
    TNodeList* nodes = this->getNodes();
 
    for (auto& i : *nodes)
    {
        CIntensityNode* node = (CIntensityNode*)i;
        vec.push_back(node->getIntensity());
    }
}