Examples with NoSupportedDataTypeException de.lmu.ifi.dbs.elki.data.type.NoSupportedDataTypeException used on opensource projects

Example 1 with NoSupportedDataTypeException

use of de.lmu.ifi.dbs.elki.data.type.NoSupportedDataTypeException in project elki by elki-project.

the class ByLabelOrAllInOneClustering method run.

@Override
public Clustering<Model> run(Database database) {
    // Prefer a true class label
    try {
        Relation<ClassLabel> relation = database.getRelation(TypeUtil.CLASSLABEL);
        return run(relation);
    } catch (NoSupportedDataTypeException e) {
    // Ignore.
    }
    try {
        Relation<ClassLabel> relation = database.getRelation(TypeUtil.GUESSED_LABEL);
        return run(relation);
    } catch (NoSupportedDataTypeException e) {
    // Ignore.
    }
    final DBIDs ids = database.getRelation(TypeUtil.ANY).getDBIDs();
    Clustering<Model> result = new Clustering<>("All-in-one trivial Clustering", "allinone-clustering");
    Cluster<Model> c = new Cluster<Model>(ids, ClusterModel.CLUSTER);
    result.addToplevelCluster(c);
    return result;
}

Example 2 with NoSupportedDataTypeException

use of de.lmu.ifi.dbs.elki.data.type.NoSupportedDataTypeException in project elki by elki-project.

the class VisualizerContext method generateDefaultClustering.

/**
 * Generate a default (fallback) clustering.
 *
 * @return generated clustering
 */
private Clustering<Model> generateDefaultClustering() {
    final Database db = ResultUtil.findDatabase(hier);
    Clustering<Model> c = null;
    try {
        // Try to cluster by labels
        ByLabelHierarchicalClustering split = new ByLabelHierarchicalClustering();
        c = split.run(db);
    } catch (NoSupportedDataTypeException e) {
        // Put everything into one
        c = new TrivialAllInOne().run(db);
    }
    return c;
}