INSA/be-graphes
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Code Issues 4 Releases Wiki Activity

Add method in graph to find node from position.

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This commit is contained in:
Mikael Capelle 2018-02-20 11:41:02 +01:00
parent 71accfe13b
commit 1eee9b8dd9
1 changed files with 20 additions and 0 deletions
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20
src/main/org/insa/graph/Graph.java
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@ -24,6 +24,26 @@ public class Graph {
*/ */
public ArrayList<Node> getNodes() { return nodes; } public ArrayList<Node> getNodes() { return nodes; }
/**
* Find the closet node to the given point.
*
* @param point
*
* @return Closest node to the given point.
*/
public Node findClosestNode(Point point) {
Node node = null;
double minDis = Double.POSITIVE_INFINITY;
for (int n = 0 ; n < nodes.size(); ++n) {
double dis = point.distanceTo(nodes.get(n).getPoint());
if (dis < minDis) {
node = nodes.get(n);
minDis = dis;
}
}
return node;
}
/** /**
* @return Map ID of this graph. * @return Map ID of this graph.
*/ */