//gives each edge in m_G a random edgeSubGraphs value
//works with two graphs
void SimDrawCreator::randomESG2(int doubleESGProbability)
{
OGDF_ASSERT( doubleESGProbability <= 100 );
OGDF_ASSERT( doubleESGProbability >= 0 );
clearESG();
for(edge e : m_G->edges)
{
//all edges have a chance of doubleESGProbability (in percent)
//to belong to both input graphs
int doubleESGRandom = rand() % 100;
if(doubleESGRandom < doubleESGProbability)
{
m_GA->addSubGraph(e, 0);
m_GA->addSubGraph(e, 1);
}
else
{
// all edges, which do not belong to both input graphs
// have a 50/50 chance to belong to graph 0 or to graph 1
int singleESGRandom = rand() % 2;
m_GA->addSubGraph(e, singleESGRandom);
}
}
}
//*************************************************************
//gives each edge in m_G a random edgeSubGraphs value
//works with three graphs
void SimDrawCreator::randomESG3(int doubleESGProbability, int tripleESGProbability)
{
OGDF_ASSERT( doubleESGProbability + tripleESGProbability <= 100 );
OGDF_ASSERT( doubleESGProbability >= 0 );
OGDF_ASSERT( tripleESGProbability >= 0 );
clearESG();
for(edge e : m_G->edges)
{
/*All edges have a chance of tripleESGProbability (in percent)
to belong to all three graphs.*/
int multipleESGRandom = rand() % 100;
if(multipleESGRandom < doubleESGProbability + tripleESGProbability)
{
m_GA->addSubGraph(e,0);
m_GA->addSubGraph(e,1);
m_GA->addSubGraph(e,2);
/*Furthermore, all edges have a chance of doubleESGProbability
to belong to two of three graphs.*/
if(multipleESGRandom >= tripleESGProbability)
{
int removeESGRandom = rand() % 3;
m_GA->removeSubGraph(e, removeESGRandom);
}
}
else
{
//all edges, which do not belong to two or three graphs
//have a 33 percent chance to belong to one of the three graphs.
int singleESGRandom = rand() % 3;
m_GA->addSubGraph(e, singleESGRandom);
}
}
}//end randomESG3
