public static Map<String, Set<Double>> edgeAnglesByType(final Node<?> node) {
final Map<String, Set<Double>> anglesByType = new HashMap<>();
for (final Edge<?> edge : node.getInEdges()) {
final String typePath = edge.getTypeName();
final double toAngle = edge.getToAngle();
final Set<Double> angles = getAnglesForType(anglesByType, typePath);
angles.add(toAngle);
}
for (final Edge<?> edge : node.getOutEdges()) {
final String typePath = edge.getTypeName();
final double fromAngle = edge.getFromAngle();
final Set<Double> angles = getAnglesForType(anglesByType, typePath);
angles.add(fromAngle);
}
return anglesByType;
}
public static Set<String> edgeTypeNames(final Node<?> node) {
final Set<String> typePaths = new HashSet<>();
for (final Edge<?> edge : node.getEdges()) {
final String typePath = edge.getTypeName();
typePaths.add(typePath);
}
return typePaths;
}
public static <T> Map<String, List<Edge<T>>> edgesByType(final Node<T> node) {
final Map<String, List<Edge<T>>> edgesByType = new HashMap<>();
for (final Edge<T> edge : node.getEdges()) {
final String typePath = edge.getTypeName();
List<Edge<T>> typeEdges = edgesByType.get(typePath);
if (typeEdges == null) {
typeEdges = new ArrayList<>();
edgesByType.put(typePath, typeEdges);
}
typeEdges.add(edge);
}
return edgesByType;
}
public static <T> Map<LineString, Map<String, Set<Edge<T>>>> edgesByLineAndTypeName(
final Node<T> node) {
final List<Edge<T>> edges = node.getEdges();
final Map<LineString, Map<String, Set<Edge<T>>>> lineEdgeMap = new HashMap<>();
for (final Edge<T> edge : new HashSet<>(edges)) {
LineString line = edge.getLine();
Map<String, Set<Edge<T>>> edgesByType = edgesByTypeForLine(lineEdgeMap, line);
if (edgesByType == null) {
edgesByType = new HashMap<>();
if (edge.getEnd(node).isTo()) {
line = line.reverse();
}
lineEdgeMap.put(line, edgesByType);
}
Set<Edge<T>> typeEdges = edgesByType.get(edge.getTypeName());
if (typeEdges == null) {
typeEdges = new HashSet<>();
final String typePath = edge.getTypeName();
edgesByType.put(typePath, typeEdges);
}
typeEdges.add(edge);
}
return lineEdgeMap;
}
public static <T> Map<String, Map<LineString, Set<Edge<T>>>> edgesByTypeNameAndLine(
final Node<T> node) {
final List<Edge<T>> edges = node.getEdges();
final Map<String, Map<LineString, Set<Edge<T>>>> typeLineEdgeMap = new HashMap<>();
for (final Edge<T> edge : new HashSet<>(edges)) {
final String typePath = edge.getTypeName();
Map<LineString, Set<Edge<T>>> lineEdgeMap = typeLineEdgeMap.get(typePath);
if (lineEdgeMap == null) {
lineEdgeMap = new HashMap<>();
typeLineEdgeMap.put(typePath, lineEdgeMap);
}
Edge.addEdgeToEdgesByLine(node, lineEdgeMap, edge);
}
return typeLineEdgeMap;
}