void CalculateLabelsX()
{
int i;
ISolverShell solver = ConstrainedOrdering.CreateSolver();
for (i = 0; i < pairArray.Length; i++)
{
solver.AddVariableWithIdealPosition(i, labelCenters[i], GetLabelWeight(pairArray[i]));
}
//add non overlapping constraints between to neighbor labels
double prevLabelWidth = GetMaxLabelWidth(pairArray[0]);
for (i = 0; i < pairArray.Length - 1; i++)
{
solver.AddLeftRightSeparationConstraint(i, i + 1,
(prevLabelWidth +
(prevLabelWidth = GetMaxLabelWidth(pairArray[i + 1]))) / 2 +
settings.NodeSeparation);
}
for (i = 0; i < labelCenters.Length; i++)
{
double x = labelCenters[i] = solver.GetVariableResolvedPosition(i);
foreach (Label label in PairLabels(pairArray[i]))
{
label.Center = new Point(x, label.Center.Y);
}
}
}
void ExtractPositionsFromSolver(int[] layer, ISolverShell solver, double[] positions)
{
solver.Solve();
for (int i = 0; i < layer.Length; i++)
{
database.Anchors[layer[i]].X = positions[i] = solver.GetVariableResolvedPosition(layer[i]);
}
}
void SetXPositions()
{
ISolverShell solver = InitSolverWithoutOrder();
ImproveWithAdjacentSwaps();
PutLayerNodeSeparationsIntoSolver(solver);
solver.Solve();
SortLayers(solver);
for (int i = 0; i < LayerArrays.Y.Length; i++)
{
database.Anchors[i].X = solver.GetVariableResolvedPosition(i);
}
}
void SortLayerBasedOnSolution(int[] layer, ISolverShell solver)
{
int length = layer.Length;
var positions = new double[length];
int k = 0;
foreach (int v in layer)
{
positions[k++] = solver.GetVariableResolvedPosition(v);
}
Array.Sort(positions, layer);
int i = 0;
foreach (int v in layer)
{
LayerArrays.X[v] = i++;
}
}
void ExtractPositionsFromSolver(int[] layer, ISolverShell solver, double[] positions) {
solver.Solve();
for (int i = 0; i < layer.Length; i++)
database.Anchors[layer[i]].X = positions[i] = solver.GetVariableResolvedPosition(layer[i]);
}
void SortLayerBasedOnSolution(int[] layer, ISolverShell solver) {
int length = layer.Length;
var positions = new double[length];
int k = 0;
foreach (int v in layer)
positions[k++] = solver.GetVariableResolvedPosition(v);
Array.Sort(positions, layer);
int i = 0;
foreach (int v in layer)
LayerArrays.X[v] = i++;
}
