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.viewmodel;
23 import jalview.analysis.PCA;
24 import jalview.api.RotatableCanvasI;
25 import jalview.api.analysis.ScoreModelI;
26 import jalview.api.analysis.SimilarityParamsI;
27 import jalview.datamodel.AlignmentView;
28 import jalview.datamodel.Point;
29 import jalview.datamodel.SequenceI;
30 import jalview.datamodel.SequencePoint;
32 import java.util.List;
33 import java.util.Vector;
40 private AlignmentView inputData;
42 private final SequenceI[] seqs;
44 private final SimilarityParamsI similarityParams;
47 * options - score model, nucleotide / protein
49 private ScoreModelI scoreModel;
51 private boolean nucleotide = false;
60 private List<SequencePoint> points;
63 * Constructor given sequence data, score model and score calculation
72 public PCAModel(AlignmentView seqData, SequenceI[] sqs, boolean nuc,
73 ScoreModelI modelName, SimilarityParamsI params)
78 scoreModel = modelName;
79 similarityParams = params;
83 * Performs the PCA calculation (in the same thread) and extracts result data
84 * needed for visualisation by PCAPanel
86 public void calculate()
88 pca = new PCA(inputData, scoreModel, similarityParams);
89 pca.run(); // executes in same thread, wait for completion
91 // Now find the component coordinates
94 while ((ii < seqs.length) && (seqs[ii] != null))
99 int height = pca.getHeight();
100 // top = pca.getM().height() - 1;
103 points = new Vector<>();
104 Point[] scores = pca.getComponents(top - 1, top - 2, top - 3, 100);
106 for (int i = 0; i < height; i++)
108 SequencePoint sp = new SequencePoint(seqs[i], scores[i]);
113 public void updateRc(RotatableCanvasI rc)
115 rc.setPoints(points, pca.getHeight());
118 public boolean isNucleotide()
123 public void setNucleotide(boolean nucleotide)
125 this.nucleotide = nucleotide;
129 * Answers the index of the principal dimension of the PCA
138 public void setTop(int t)
144 * Updates the 3D coordinates for the list of points to the given dimensions.
145 * Principal dimension is getTop(). Next greatest eigenvector is getTop()-1.
146 * Note - pca.getComponents starts counting the spectrum from rank-2 to zero,
147 * rather than rank-1, so getComponents(dimN ...) == updateRcView(dimN+1 ..)
153 public void updateRcView(int dim1, int dim2, int dim3)
155 // note: actual indices for components are dim1-1, etc (patch for JAL-1123)
156 Point[] scores = pca.getComponents(dim1 - 1, dim2 - 1, dim3 - 1, 100);
158 for (int i = 0; i < pca.getHeight(); i++)
160 points.get(i).coord = scores[i];
164 public String getDetails()
166 return pca.getDetails();
169 public AlignmentView getInputData()
174 public void setInputData(AlignmentView data)
179 public String getPointsasCsv(boolean transformed, int xdim, int ydim,
182 StringBuffer csv = new StringBuffer();
183 csv.append("\"Sequence\"");
195 for (int d = 1, dmax = pca.component(1).length; d <= dmax; d++)
201 for (int s = 0; s < seqs.length; s++)
203 csv.append("\"" + seqs[s].getName() + "\"");
207 // output pca in correct order
208 fl = pca.component(s);
209 for (int d = fl.length - 1; d >= 0; d--)
217 Point p = points.get(s).coord;
218 csv.append(",").append(p.x);
219 csv.append(",").append(p.y);
220 csv.append(",").append(p.z);
224 return csv.toString();
227 public String getScoreModelName()
229 return scoreModel == null ? "" : scoreModel.getName();
232 public void setScoreModel(ScoreModelI sm)
234 this.scoreModel = sm;
238 * Answers the parameters configured for pairwise similarity calculations
242 public SimilarityParamsI getSimilarityParameters()
244 return similarityParams;
247 public List<SequencePoint> getSequencePoints()
252 public void setSequencePoints(List<SequencePoint> sp)
258 * Answers the object holding the values of the computed PCA
262 public PCA getPcaData()
267 public void setPCA(PCA data)