@Override
protected Object privateExecuteIn(final IScope scope) throws GamaRuntimeException {
// IGraph data = createData(scope);
IGraph g = Cast.asGraph(scope, getFacetValue(scope, IKeyword.GRAPH));
int thread_number =
Cast.asInt(
scope,
getFacetValue(
scope, GraphForceAtlasLayoutStatement.THREAD_NUMBER, THREAD_NUMBER_DEFAULT));
boolean dissuade_hubs =
Cast.asBool(
scope,
getFacetValue(
scope, GraphForceAtlasLayoutStatement.DISSUADE_HUBS, DISSUADE_HUBS_DEFAULT));
boolean linlog_mode =
Cast.asBool(
scope,
getFacetValue(scope, GraphForceAtlasLayoutStatement.LINLOG_MODE, LINLOG_MODE_DEFAULT));
boolean prevent_overlap =
Cast.asBool(
scope,
getFacetValue(
scope, GraphForceAtlasLayoutStatement.PREVENT_OVERLAP, PREVENT_OVERLAP_DEFAULT));
double edge_weight_influence =
Cast.asFloat(
scope,
getFacetValue(
scope,
GraphForceAtlasLayoutStatement.EDGE_WEIGHT_INFLUENCE,
EDGE_WEIGHT_INFLUENCE_DEFAULT));
double scaling =
Cast.asFloat(
scope, getFacetValue(scope, GraphForceAtlasLayoutStatement.SCALING, SCALING_DEFAULT));
boolean stronger_gravity =
Cast.asBool(
scope,
getFacetValue(
scope, GraphForceAtlasLayoutStatement.STRONGER_GRAVITY, STRONGER_GRAVITY_DEFAULT));
double gravity =
Cast.asFloat(
scope, getFacetValue(scope, GraphForceAtlasLayoutStatement.GRAVITY, GRAVITY_DEFAULT));
double tolerance =
Cast.asFloat(
scope,
getFacetValue(scope, GraphForceAtlasLayoutStatement.TOLERANCE, TOLERANCE_DEFAULT));
boolean approximate_repulsion =
Cast.asBool(
scope,
getFacetValue(
scope,
GraphForceAtlasLayoutStatement.APPROXIMATE_REPULSION,
APPROXIMATE_REPULSION_DEFAULT));
double approximation =
Cast.asFloat(
scope,
getFacetValue(
scope, GraphForceAtlasLayoutStatement.APPROXIMATION, APPROXIMATION_DEFAULT));
int nb_steps =
Cast.asInt(
scope, getFacetValue(scope, GraphForceAtlasLayoutStatement.NB_STEPS, NB_STEPS_DEFAULT));
Object bp1 = getFacetValue(scope, GraphForceAtlasLayoutStatement.BOUNDED_P1, null);
Object bp2 = getFacetValue(scope, GraphForceAtlasLayoutStatement.BOUNDED_P2, null);
// public static IGraph YifanHuLayout_Step_Unlimited(final IGraph g, double optimal_distance,
// double initial_step, double step_ratio, double convergence_threshold, double
// barnes_hut_theta) {
initializing();
// System.out.println("ForceAtlas2 algorithm (by step), starting.");
// System.out.println("converting ...");
IGraph_to_GraphModel(g);
// System.out.println("initializing ...");
ForceAtlas2 fa2Layout = new ForceAtlas2(new ForceAtlas2Builder());
initializing_GraphModel(g);
fa2Layout.resetPropertiesValues();
fa2Layout.setGraphModel(graph_model);
fa2Layout.setOutboundAttractionDistribution(dissuade_hubs);
fa2Layout.setLinLogMode(linlog_mode);
fa2Layout.setAdjustSizes(prevent_overlap);
fa2Layout.setEdgeWeightInfluence(edge_weight_influence);
fa2Layout.setScalingRatio(scaling);
fa2Layout.setStrongGravityMode(stronger_gravity);
fa2Layout.setGravity(gravity);
fa2Layout.setJitterTolerance(tolerance);
fa2Layout.setBarnesHutOptimize(approximate_repulsion);
fa2Layout.setBarnesHutTheta(approximation);
// System.out.println("working ...");
fa2Layout.initAlgo();
// System.out.println("working ...");
// int nbsteps=1;
// for (int i = 0; i < nbsteps && fa2Layout.canAlgo(); i++){
for (int i = 0; i < nb_steps; i++) {
fa2Layout.goAlgo();
}
fa2Layout.endAlgo();
// fa2Layout.goAlgo();
// fa2Layout.endAlgo();
if (bp1 != null && bp2 != null) {
ILocation p1 = Cast.asPoint(scope, bp1);
ILocation p2 = Cast.asPoint(scope, bp2);
Update_locations(
g,
FastMath.min(p1.getX(), p2.getX()),
FastMath.min(p1.getY(), p2.getY()),
FastMath.max(p1.getX(), p2.getX()),
FastMath.max(p1.getY(), p2.getY()));
} else {
Update_locations(g);
}
// System.out.println("ended.");
return g;
}
