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Graph Initialization outside private classes

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MarcosVillacanas
2020-06-19 18:10:49 +02:00
parent ce945bc76b
commit c21ae9acdb
1 changed files with 41 additions and 44 deletions
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85
DataStructures/Graphs/A_Star.java
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@ -27,49 +27,6 @@ public class A_Star {
this.graph[edge.getFrom()].add(new Edge(edge.getFrom(), edge.getTo(), edge.getWeight()));
this.graph[edge.getTo()].add(new Edge(edge.getTo(), edge.getFrom(), edge.getWeight()));
}
private void initializeGraph() {
this.addEdge(new Edge(0, 19, 75)); this.addEdge(new Edge(0, 15, 140));
this.addEdge(new Edge(0, 16, 118)); this.addEdge(new Edge(19, 12, 71));
this.addEdge(new Edge(12, 15, 151));this.addEdge(new Edge(16, 9, 111));
this.addEdge(new Edge(9, 10, 70)); this.addEdge(new Edge(10, 3, 75));
this.addEdge(new Edge(3, 2, 120)); this.addEdge(new Edge(2, 14, 146));
this.addEdge(new Edge(2, 13, 138)); this.addEdge(new Edge(2, 6, 115));
this.addEdge(new Edge(15, 14, 80)); this.addEdge(new Edge(15, 5, 99));
this.addEdge(new Edge(14, 13, 97)); this.addEdge(new Edge(5, 1, 211));
this.addEdge(new Edge(13, 1, 101)); this.addEdge(new Edge(6, 1, 160));
this.addEdge(new Edge(1, 17, 85)); this.addEdge(new Edge(17, 7, 98));
this.addEdge(new Edge(7, 4, 86)); this.addEdge(new Edge(17, 18, 142));
this.addEdge(new Edge(18, 8, 92)); this.addEdge(new Edge(8, 11, 87));
/*
.x. node
(y) cost
- or | or / bidirectional connection
( 98)- .7. -(86)- .4.
|
( 85)- .17. -(142)- .18. -(92)- .8. -(87)- .11.
|
. 1. -------------------- (160)
| \ |
(211) \ .6.
| \ |
. 5. (101)-.13. -(138) (115)
| | | /
( 99) ( 97) | /
| | | /
.12. -(151)- .15. -(80)- .14. | /
| | | | /
( 71) (140) (146)- .2. -(120)
| | |
.19. -( 75)- . 0. .10. -(75)- .3.
| |
(118) ( 70)
| |
.16. -(111)- .9.
*/
}
}
private static class Edge {
@ -117,13 +74,53 @@ public class A_Star {
}
}
private static void initializeGraph(Graph graph, ArrayList<Integer> data) {
for (int i = 0; i < data.size(); i+=4) {
graph.addEdge(new Edge(data.get(i), data.get(i + 1), data.get(i + 2)));
}
/*
.x. node
(y) cost
- or | or / bidirectional connection
( 98)- .7. -(86)- .4.
|
( 85)- .17. -(142)- .18. -(92)- .8. -(87)- .11.
|
. 1. -------------------- (160)
| \ |
(211) \ .6.
| \ |
. 5. (101)-.13. -(138) (115)
| | | /
( 99) ( 97) | /
| | | /
.12. -(151)- .15. -(80)- .14. | /
| | | | /
( 71) (140) (146)- .2. -(120)
| | |
.19. -( 75)- . 0. .10. -(75)- .3.
| |
(118) ( 70)
| |
.16. -(111)- .9.
*/
}
public static void main(String[] args) {
//heuristic function optimistic values
int[] heuristic = {366, 0, 160, 242, 161, 178, 77, 151, 226,
244, 241, 234, 380, 98, 193, 253, 329, 80, 199, 374};
Graph graph = new Graph(20);
graph.initializeGraph();
ArrayList<Integer> graphData = new ArrayList<>(Arrays.asList(0, 19, 75, null,
0, 15, 140, null, 0, 16, 118, null, 19, 12, 71, null, 12, 15, 151, null,
16, 9, 111, null, 9, 10, 70, null, 10, 3, 75, null, 3, 2, 120, null,
2, 14, 146, null, 2, 13, 138, null, 2, 6, 115, null, 15, 14, 80, null,
15, 5, 99, null, 14, 13, 97, null, 5, 1, 211, null, 13, 1, 101, null,
6, 1, 160, null, 1, 17, 85, null, 17, 7, 98, null, 7, 4, 86, null,
17, 18, 142, null, 18, 8, 92, null, 8, 11, 87));
initializeGraph(graph, graphData);
PathAndDistance solution = aStar(3, 1, graph, heuristic);
solution.printSolution();