Examples with FlowBase au.gov.asd.tac.constellation.plugins.algorithms.clustering.infomap.traits.FlowBase used on opensource projects

Example 1 with FlowBase

use of au.gov.asd.tac.constellation.plugins.algorithms.clustering.infomap.traits.FlowBase in project constellation by constellation-app.

the class InfomapGreedy method calcCodelengthFromFlowWithinOrExit.

@Override
protected double calcCodelengthFromFlowWithinOrExit(final NodeBase parent) {
    final FlowBase parentData = getNode(parent).getData();
    final double parentFlow = parentData.getFlow();
    final double parentExit = parentData.getExitFlow();
    final double totalParentFlow = parentFlow + parentExit;
    if (totalParentFlow < 1e-16) {
        return 0;
    }
    double indexLength = 0;
    // For each child...
    for (final NodeBase node : parent.getChildren()) {
        indexLength -= plogp(getNode(node).getData().getFlow() / totalParentFlow);
    }
    indexLength -= plogp(parentExit / totalParentFlow);
    indexLength *= totalParentFlow;
    return indexLength;
}