2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.analysis.scoremodels;
23 import jalview.api.analysis.ScoreModelI;
24 import jalview.api.analysis.SimilarityParamsI;
25 import jalview.datamodel.AlignmentView;
26 import jalview.math.MatrixI;
28 public abstract class SimilarityScoreModel implements ScoreModelI
32 * Computed similarity scores are converted to distance scores by subtracting
33 * every value from the maximum value. That is, maximum similarity corresponds
34 * to zero distance, and smaller similarities to larger distances.
37 public MatrixI findDistances(AlignmentView seqData,
38 SimilarityParamsI options)
40 MatrixI similarities = findSimilarities(seqData, options);
42 MatrixI distances = similarityToDistance(similarities);
48 * Converts a matrix of similarity scores to distance scores, by reversing the
49 * range of the scores, mapping the maximum to zero. The input matrix is not
54 public static MatrixI similarityToDistance(MatrixI similarities)
56 MatrixI distances = similarities.copy();
58 distances.reverseRange(true);