X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fanalysis%2FPCA.java;h=42a168dab78a24d40c6f572fd4e10d404f6dcaab;hb=321caefc5a40cd735c93e0bfa450e0e04abc485d;hp=1f923b1822fa54848904df05ad90c24109fee000;hpb=8717834368bd00d8adfa47ee099288acd34363ef;p=jalview.git diff --git a/src/jalview/analysis/PCA.java b/src/jalview/analysis/PCA.java index 1f923b1..42a168d 100755 --- a/src/jalview/analysis/PCA.java +++ b/src/jalview/analysis/PCA.java @@ -20,10 +20,8 @@ */ package jalview.analysis; -import jalview.analysis.scoremodels.SimilarityParams; -import jalview.api.analysis.DistanceScoreModelI; import jalview.api.analysis.ScoreModelI; -import jalview.api.analysis.SimilarityScoreModelI; +import jalview.api.analysis.SimilarityParamsI; import jalview.datamodel.AlignmentView; import jalview.math.MatrixI; @@ -34,8 +32,6 @@ import java.io.PrintStream; */ public class PCA implements Runnable { - boolean jvCalcMode = true; - MatrixI symm; double[] eigenvalue; @@ -44,15 +40,18 @@ public class PCA implements Runnable StringBuilder details = new StringBuilder(1024); - private AlignmentView seqs; + final private AlignmentView seqs; private ScoreModelI scoreModel; - public PCA(AlignmentView s, ScoreModelI sm) + private SimilarityParamsI similarityParams; + + public PCA(AlignmentView s, ScoreModelI sm, SimilarityParamsI options) { this.seqs = s; + this.similarityParams = options; + this.scoreModel = sm; - scoreModel = sm; details.append("PCA calculation using " + sm.getName() + " sequence similarity matrix\n========\n\n"); } @@ -170,11 +169,7 @@ public class PCA implements Runnable // long now = System.currentTimeMillis(); try { - details.append("PCA Calculation Mode is " - + (jvCalcMode ? "Jalview variant" : "Original SeqSpace") - + "\n"); - - eigenvector = computeSimilarity(seqs); + eigenvector = scoreModel.findSimilarities(seqs, similarityParams); details.append(" --- OrigT * Orig ---- \n"); eigenvector.print(ps, "%8.2f"); @@ -198,7 +193,8 @@ public class PCA implements Runnable q.printStackTrace(); details.append("\n*** Unexpected exception when performing PCA ***\n" + q.getLocalizedMessage()); - details.append("*** Matrices below may not be fully diagonalised. ***\n"); + details.append( + "*** Matrices below may not be fully diagonalised. ***\n"); } details.append(" --- New diagonalization matrix ---\n"); @@ -217,45 +213,6 @@ public class PCA implements Runnable } /** - * Computes a pairwise similarity matrix for the given sequence regions using - * the configured score model. If the score model is a similarity model, then - * it computes the result directly. If it is a distance model, then use it to - * compute pairwise distances, and convert these to similarity scores by - * substracting from the maximum value. - * - * @param av - * @return - */ - MatrixI computeSimilarity(AlignmentView av) - { - MatrixI result = null; - // TODO pass choice of params from GUI in constructo - if (scoreModel instanceof SimilarityScoreModelI) - { - result = ((SimilarityScoreModelI) scoreModel).findSimilarities(av, - SimilarityParams.SeqSpace); - } - else if (scoreModel instanceof DistanceScoreModelI) - { - result = ((DistanceScoreModelI) scoreModel).findDistances(av, - SimilarityParams.SeqSpace); - result.reverseRange(false); - } - else - { - System.err - .println("Unexpected type of score model, cannot calculate similarity"); - } - - return result; - } - - public void setJvCalcMode(boolean calcMode) - { - this.jvCalcMode = calcMode; - } - - /** * Answers the N dimensions of the NxN PCA matrix. This is the number of * sequences involved in the pairwise score calculation. *