static
void create_cluster_dist_mat(
DenseMat& distMat,
int cls,
std::vector<int>& cluster_nodes,
std::vector<WgtType>& nodes_radii,
DenseMat& clusterDistMat)
{
// Steps
// 1. resize cluster distance matrix
// 2. match the distance from distMat to clusterDistMat
// 3. add central node influence
// Step 1
clusterDistMat.resize(cluster_nodes.size()+1, cluster_nodes.size()+1);
clusterDistMat.fill(0);
// Step 2
int rowIdx;
int colIdx;
for (int c=0; c<cluster_nodes.size(); ++c)
{
for (int r=0; r<cluster_nodes.size(); ++r)
{
rowIdx = cluster_nodes.at(r);
colIdx = cluster_nodes.at(c);
clusterDistMat(r+1, c+1) = distMat(rowIdx, colIdx);
}
}
// Step 3
for (int i=0; i<nodes_radii.size(); ++i)
{
clusterDistMat(0, i+1) = nodes_radii.at(i);
clusterDistMat(i+1, 0) = nodes_radii.at(i);
}
}
