+/*
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
+ *
+ * This file is part of Jalview.
+ *
+ * Jalview is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
+ *
+ * Jalview is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
+ */
package jalview.viewmodel;
-import java.util.Vector;
-
import jalview.analysis.PCA;
+import jalview.api.RotatableCanvasI;
+import jalview.api.analysis.ScoreModelI;
+import jalview.api.analysis.SimilarityParamsI;
import jalview.datamodel.AlignmentView;
+import jalview.datamodel.Point;
import jalview.datamodel.SequenceI;
import jalview.datamodel.SequencePoint;
-import jalview.api.RotatableCanvasI;
+
+import java.util.Vector;
public class PCAModel
{
+ /*
+ * inputs
+ */
+ private final AlignmentView seqstrings;
- public PCAModel(AlignmentView seqstrings2, SequenceI[] seqs2,
- boolean nucleotide2)
- {
- seqstrings = seqstrings2;
- seqs = seqs2;
- nucleotide = nucleotide2;
- }
+ private final SequenceI[] seqs;
- private volatile PCA pca;
+ private final SimilarityParamsI similarityParams;
- int top;
-
- AlignmentView seqstrings;
+ /*
+ * options - score model, nucleotide / protein
+ */
+ private ScoreModelI scoreModel;
- SequenceI[] seqs;
+ private boolean nucleotide = false;
- /**
- * use the identity matrix for calculating similarity between sequences.
+ /*
+ * outputs
*/
- private boolean nucleotide = false;
+ private PCA pca;
- private Vector<SequencePoint> points;
+ int top;
- private boolean jvCalcMode = true;
+ private Vector<SequencePoint> points;
- public boolean isJvCalcMode()
+ /**
+ * Constructor given sequence data, score model and score calculation
+ * parameter options.
+ *
+ * @param seqData
+ * @param sqs
+ * @param nuc
+ * @param modelName
+ * @param params
+ */
+ public PCAModel(AlignmentView seqData, SequenceI[] sqs, boolean nuc,
+ ScoreModelI modelName, SimilarityParamsI params)
{
- return jvCalcMode;
+ seqstrings = seqData;
+ seqs = sqs;
+ nucleotide = nuc;
+ scoreModel = modelName;
+ similarityParams = params;
}
- public void run()
+ /**
+ * Performs the PCA calculation (in the same thread) and extracts result data
+ * needed for visualisation by PCAPanel
+ */
+ public void calculate()
{
-
- pca = new PCA(seqstrings.getSequenceStrings(' '), nucleotide);
- pca.setJvCalcMode(jvCalcMode);
- pca.run();
+ pca = new PCA(seqstrings, scoreModel, similarityParams);
+ pca.run(); // executes in same thread, wait for completion
// Now find the component coordinates
int ii = 0;
ii++;
}
- double[][] comps = new double[ii][ii];
-
- for (int i = 0; i < ii; i++)
- {
- if (pca.getEigenvalue(i) > 1e-4)
- {
- comps[i] = pca.component(i);
- }
- }
+ int height = pca.getHeight();
+ // top = pca.getM().height() - 1;
+ top = height - 1;
- top = pca.getM().rows - 1;
+ points = new Vector<>();
+ Point[] scores = pca.getComponents(top - 1, top - 2, top - 3, 100);
- points = new Vector<SequencePoint>();
- float[][] scores = pca.getComponents(top - 1, top - 2, top - 3, 100);
-
- for (int i = 0; i < pca.getM().rows; i++)
+ for (int i = 0; i < height; i++)
{
SequencePoint sp = new SequencePoint(seqs[i], scores[i]);
points.addElement(sp);
}
-
}
public void updateRc(RotatableCanvasI rc)
{
- rc.setPoints(points, pca.getM().rows);
+ rc.setPoints(points, pca.getHeight());
}
public boolean isNucleotide()
public void updateRcView(int dim1, int dim2, int dim3)
{
// note: actual indices for components are dim1-1, etc (patch for JAL-1123)
- float[][] scores = pca.getComponents(dim1 - 1, dim2 - 1, dim3 - 1, 100);
+ Point[] scores = pca.getComponents(dim1 - 1, dim2 - 1, dim3 - 1, 100);
- for (int i = 0; i < pca.getM().rows; i++)
+ for (int i = 0; i < pca.getHeight(); i++)
{
- ((SequencePoint) points.elementAt(i)).coord = scores[i];
+ points.elementAt(i).coord = scores[i];
}
}
}
else
{
- // output current x,y,z coords for points
- fl = getPointPosition(s);
- for (int d = 0; d < fl.length; d++)
- {
- csv.append(",");
- csv.append(fl[d]);
- }
+ Point p = points.elementAt(s).coord;
+ csv.append(",").append(p.x);
+ csv.append(",").append(p.y);
+ csv.append(",").append(p.z);
}
csv.append("\n");
}
public double[] getPointPosition(int s)
{
double pts[] = new double[3];
- float[] p = points.elementAt(s).coord;
- pts[0] = p[0];
- pts[1] = p[1];
- pts[2] = p[2];
+ Point p = points.elementAt(s).coord;
+ pts[0] = p.x;
+ pts[1] = p.y;
+ pts[2] = p.z;
return pts;
}
- public void setJvCalcMode(boolean state)
+ public String getScoreModelName()
+ {
+ return scoreModel == null ? "" : scoreModel.getName();
+ }
+
+ public void setScoreModel(ScoreModelI sm)
{
- jvCalcMode = state;
+ this.scoreModel = sm;
}
}
git://source.jalview.org / jalview.git / blobdiff