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我正在开发一个项目,我正在使用Gephi toolkit.I需要从整个图中生成100个随机数的节点。如何从整个图形Gephi Toolkit中生成100个随机数的节点?
public void script() {
//Init a project - and therefore a workspace
ProjectController pc = Lookup.getDefault().lookup(ProjectController.class);
pc.newProject();
Workspace workspace = pc.getCurrentWorkspace();
GraphModel graphModel = Lookup.getDefault().lookup(GraphController.class).getGraphModel();
PreviewModel model = Lookup.getDefault().lookup(PreviewController.class).getModel();
ImportController importController = Lookup.getDefault().lookup(ImportController.class);
FilterController filterController = Lookup.getDefault().lookup(FilterController.class);
AppearanceController appearanceController = Lookup.getDefault().lookup(AppearanceController.class);
AppearanceModel appearanceModel = appearanceController.getModel();
//Import file
Container container;
try {
// File file = new File(getClass().getResource("/org/gephi/toolkit/demos/polblogs.gml").toURI());
File file = new File(getClass().getResource("/org/gephi/toolkit/demos/Book3.csv").toURI());
container = importController.importFile(file);
container.getLoader().setEdgeDefault(EdgeDirectionDefault.DIRECTED); //Force DIRECTED
} catch (Exception ex) {
ex.printStackTrace();
return;
}
//Append imported data to GraphAPI
importController.process(container, new DefaultProcessor(), workspace);
//See if graph is well imported
DirectedGraph graph = graphModel.getDirectedGraph();
System.out.println("Nodes: " + graph.getNodeCount());
System.out.println("Edges: " + graph.getEdgeCount());
此代码返回节点的数量和edges..but我找不到一个函数来随机抽取节点的子集。我需要打印出节点并非所有节点因为我的号码米工作在遗传算法,我需要生成最初的人口......请任何想法。
谢谢you..but你能帮助我在编码这些行吗? – user2014
非常感谢,但它不起作用。代码不识别 –
user2014
它是'java.util'包的一部分,你需要导入它 – sjc