X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=unused%2FMapping.java;fp=unused%2FMapping.java;h=0000000000000000000000000000000000000000;hb=4f77328104498504339216829abf5ea87e2791ec;hp=85f4356a7d7ddfcdec68b6c55cc91a77e13aea35;hpb=2b8c0785318a3528e1876e8e2dd48b7d831eae69;p=jalview.git diff --git a/unused/Mapping.java b/unused/Mapping.java deleted file mode 100644 index 85f4356..0000000 --- a/unused/Mapping.java +++ /dev/null @@ -1,752 +0,0 @@ -/* - * 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 . - * The Jalview Authors are detailed in the 'AUTHORS' file. - */ -package jalview.datamodel; - -import jalview.util.Comparison; -import jalview.util.MapList; - -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; -import java.util.NoSuchElementException; -import java.util.Vector; - -public class Mapping -{ - /** - * An iterator that serves the aligned codon positions (with their protein - * products). - * - * @author gmcarstairs - * - */ - public class AlignedCodonIterator implements Iterator - { - /* - * The gap character used in the aligned sequence - */ - private final char gap; - - /* - * The characters of the aligned sequence e.g. "-cGT-ACgTG-" - */ - private final SequenceI alignedSeq; - - /* - * the sequence start residue - */ - private int start; - - /* - * Next position (base 0) in the aligned sequence - */ - private int alignedColumn = 0; - - /* - * Count of bases up to and including alignedColumn position - */ - private int alignedBases = 0; - - /* - * [start, end] from ranges (base 1) - */ - private Iterator fromRanges; - - /* - * [start, end] to ranges (base 1) - */ - private Iterator toRanges; - - /* - * The current [start, end] (base 1) from range - */ - private int[] currentFromRange = null; - - /* - * The current [start, end] (base 1) to range - */ - private int[] currentToRange = null; - - /* - * The next 'from' position (base 1) to process - */ - private int fromPosition = 0; - - /* - * The next 'to' position (base 1) to process - */ - private int toPosition = 0; - - /** - * Constructor - * - * @param seq - * the aligned sequence - * @param gapChar - */ - public AlignedCodonIterator(SequenceI seq, char gapChar) - { - this.alignedSeq = seq; - this.start = seq.getStart(); - this.gap = gapChar; - fromRanges = map.getFromRanges().iterator(); - toRanges = map.getToRanges().iterator(); - if (fromRanges.hasNext()) - { - currentFromRange = fromRanges.next(); - fromPosition = currentFromRange[0]; - } - if (toRanges.hasNext()) - { - currentToRange = toRanges.next(); - toPosition = currentToRange[0]; - } - } - - /** - * Returns true unless we have already traversed the whole mapping. - */ - @Override - public boolean hasNext() - { - if (fromRanges.hasNext()) - { - return true; - } - if (currentFromRange == null || fromPosition >= currentFromRange[1]) - { - return false; - } - return true; - } - - /** - * Returns the next codon's aligned positions, and translated value. - * - * @throws NoSuchElementException - * if hasNext() would have returned false - * @throws IncompleteCodonException - * if not enough mapped bases are left to make up a codon - */ - @Override - public AlignedCodon next() throws IncompleteCodonException - { - if (!hasNext()) - { - throw new NoSuchElementException(); - } - - int[] codon = getNextCodon(); - int[] alignedCodon = getAlignedCodon(codon); - - String peptide = getPeptide(); - int peptideCol = toPosition - 1 - Mapping.this.to.getStart(); - return new AlignedCodon(alignedCodon[0], alignedCodon[1], - alignedCodon[2], peptide, peptideCol); - } - - /** - * Retrieve the translation as the 'mapped to' position in the mapped to - * sequence. - * - * @return - * @throws NoSuchElementException - * if the 'toRange' is exhausted (nothing to map to) - */ - private String getPeptide() - { - // TODO should ideally handle toRatio other than 1 as well... - // i.e. code like getNextCodon() - if (toPosition <= currentToRange[1]) - { - SequenceI seq = Mapping.this.to; - char pep = seq.getCharAt(toPosition - seq.getStart()); - toPosition++; - return String.valueOf(pep); - } - if (!toRanges.hasNext()) - { - throw new NoSuchElementException( - "Ran out of peptide at position " + toPosition); - } - currentToRange = toRanges.next(); - toPosition = currentToRange[0]; - return getPeptide(); - } - - /** - * Get the (base 1) dataset positions for the next codon in the mapping. - * - * @throws IncompleteCodonException - * if less than 3 remaining bases are mapped - */ - private int[] getNextCodon() - { - int[] codon = new int[3]; - int codonbase = 0; - - while (codonbase < 3) - { - if (fromPosition <= currentFromRange[1]) - { - /* - * Add next position from the current start-end range - */ - codon[codonbase++] = fromPosition++; - } - else - { - /* - * Move to the next range - if there is one - */ - if (!fromRanges.hasNext()) - { - throw new IncompleteCodonException(); - } - currentFromRange = fromRanges.next(); - fromPosition = currentFromRange[0]; - } - } - return codon; - } - - /** - * Get the aligned column positions (base 0) for the given sequence - * positions (base 1), by counting ungapped characters in the aligned - * sequence. - * - * @param codon - * @return - */ - private int[] getAlignedCodon(int[] codon) - { - int[] aligned = new int[codon.length]; - for (int i = 0; i < codon.length; i++) - { - aligned[i] = getAlignedColumn(codon[i]); - } - return aligned; - } - - /** - * Get the aligned column position (base 0) for the given sequence position - * (base 1). - * - * @param sequencePos - * @return - */ - private int getAlignedColumn(int sequencePos) - { - /* - * allow for offset e.g. treat pos 8 as 2 if sequence starts at 7 - */ - int truePos = sequencePos - (start - 1); - int length = alignedSeq.getLength(); - while (alignedBases < truePos && alignedColumn < length) - { - char c = alignedSeq.getCharAt(alignedColumn++); - if (c != gap && !Comparison.isGap(c)) - { - alignedBases++; - } - } - return alignedColumn - 1; - } - - @Override - public void remove() - { - // ignore - } - - } - - /* - * Contains the start-end pairs mapping from the associated sequence to the - * sequence in the database coordinate system. It also takes care of step - * difference between coordinate systems. - */ - MapList map = null; - - /* - * The sequence that map maps the associated sequence to (if any). - */ - SequenceI to = null; - - /* - * optional sequence id for the 'from' ranges - */ - private String mappedFromId; - - public Mapping(MapList map) - { - super(); - this.map = map; - } - - public Mapping(SequenceI to, MapList map) - { - this(map); - this.to = to; - } - - /** - * create a new mapping from - * - * @param to - * the sequence being mapped - * @param exon - * int[] {start,end,start,end} series on associated sequence - * @param is - * int[] {start,end,...} ranges on the reference frame being mapped - * to - * @param i - * step size on associated sequence - * @param j - * step size on mapped frame - */ - public Mapping(SequenceI to, int[] exon, int[] is, int i, int j) - { - this(to, new MapList(exon, is, i, j)); - } - - /** - * create a duplicate (and independent) mapping object with the same reference - * to any SequenceI being mapped to. - * - * @param map2 - */ - public Mapping(Mapping map2) - { - if (map2 != this && map2 != null) - { - if (map2.map != null) - { - map = new MapList(map2.map); - } - to = map2.to; - mappedFromId = map2.mappedFromId; - } - } - - /** - * @return the map - */ - public MapList getMap() - { - return map; - } - - /** - * @param map - * the map to set - */ - public void setMap(MapList map) - { - this.map = map; - } - - /** - * Equals that compares both the to references and MapList mappings. - * - * @param o - * @return - * @see MapList#equals - */ - @Override - public boolean equals(Object o) - { - if (o == null || !(o instanceof Mapping)) - { - return false; - } - Mapping other = (Mapping) o; - if (other == this) - { - return true; - } - if (other.to != to) - { - return false; - } - if ((map != null && other.map == null) - || (map == null && other.map != null)) - { - return false; - } - if ((map == null && other.map == null) || map.equals(other.map)) - { - return true; - } - return false; - } - - /** - * Returns a hashCode made from the sequence and maplist - */ - @Override - public int hashCode() - { - int hashCode = (this.to == null ? 1 : this.to.hashCode()); - if (this.map != null) - { - hashCode = hashCode * 31 + this.map.hashCode(); - } - - return hashCode; - } - -// /** -// * gets boundary in direction of mapping -// * -// * @param position -// * in mapped reference frame -// * @return int{start, end} positions in associated sequence (in direction of -// * mapped word) -// */ -// public int[] getWord(int mpos) -// { -// // BH never called -// if (map != null) -// { -// return map.getToWord(mpos); -// } -// return null; -// } - - /** - * width of mapped unit in associated sequence - * - */ - public int getWidth() - { - if (map != null) - { - return map.getFromRatio(); - } - return 1; - } - - /** - * width of unit in mapped reference frame - * - * @return - */ - public int getMappedWidth() - { - if (map != null) - { - return map.getToRatio(); - } - return 1; - } - - /** - * get the 'initial' position in the associated sequence for a position in the - * mapped reference frame - * - * or the mapped position in the associated reference frame for position pos in - * the associated sequence. - * - * - * @param reg reg[POS] - * @param isMapped - * - * @return position or mapped position - */ - public int getPosition(int[] reg, boolean isMapped) - { - int pos = reg[MapList.POS]; - if (map != null) - { - reg = (isMapped ? map.shiftFrom(reg) : map.shiftTo(reg)); - if (reg != null) - { - return reg[MapList.POS_TO]; // was newArray[0], but shift puts the result in COUNT_TO - } - } - return pos; - } - -// /** -//* get mapped position in the associated reference frame for position pos in -//* the associated sequence. -// * -// * @param pos -// * @return -// */ -// public int getMappedPosition(int[] reg) -// { -// int mpos = reg[MapList.POS]; -// if (map != null) -// { -// reg = map.shiftFrom(reg); -// if (reg != null) -// { -// return reg[MapList.POS_TO]; // was newArray[0], but shift puts the result in COUNT_TO -// } -// } -// return mpos; -// } - -// public int[] getMappedWord(int pos) -// { -// // BH Not used? -// if (map != null) -// { -// reg = map.shiftFrom(reg); -// if (reg != null) -// { -// reg[MP_0] = -// return new int[] { mp[0], mp[0] + mp[2] * (map.getToRatio() - 1) }; -// } -// } -// return null; -// } - - /** - * locates the region of feature f in the associated sequence's reference - * frame - * - * @param f - * @return one or more features corresponding to f - */ - public SequenceFeature[] locateFeature(SequenceFeature f) - { - if (true) - { // f.getBegin()!=f.getEnd()) { - if (map != null) - { - int[] frange = map.locateInFrom(f.getBegin(), f.getEnd()); - if (frange == null) - { - // JBPNote - this isprobably not the right thing to doJBPHack - return null; - } - SequenceFeature[] vf = new SequenceFeature[frange.length / 2]; - for (int i = 0, v = 0; i < frange.length; i += 2, v++) - { - vf[v] = new SequenceFeature(f, frange[i], frange[i + 1], - f.getFeatureGroup(), f.getScore()); - if (frange.length > 2) - { - vf[v].setDescription(f.getDescription() + "\nPart " + (v + 1)); - } - } - return vf; - } - } - - // give up and just return the feature. - return new SequenceFeature[] { f }; - } - - /** - * return a series of contigs on the associated sequence corresponding to the - * from,to interval on the mapped reference frame - * - * @param from - * @param to - * @return int[] { from_i, to_i for i=1 to n contiguous regions in the - * associated sequence} - */ - public int[] locateRange(int from, int to) - { - if (map != null) - { - if (from <= to) - { - from = (map.getToLowest() < from) ? from : map.getToLowest(); - to = (map.getToHighest() > to) ? to : map.getToHighest(); - if (from > to) - { - return null; - } - } - else - { - from = (map.getToHighest() > from) ? from : map.getToHighest(); - to = (map.getToLowest() < to) ? to : map.getToLowest(); - if (from < to) - { - return null; - } - } - return map.locateInFrom(from, to); - } - return new int[] { from, to }; - } - - /** - * return a series of mapped contigs mapped from a range on the associated - * sequence - * - * @param from - * @param to - * @return - */ - public int[] locateMappedRange(int from, int to) - { - if (map != null) - { - - if (from <= to) - { - from = (map.getFromLowest() < from) ? from : map.getFromLowest(); - to = (map.getFromHighest() > to) ? to : map.getFromHighest(); - if (from > to) - { - return null; - } - } - else - { - from = (map.getFromHighest() > from) ? from : map.getFromHighest(); - to = (map.getFromLowest() < to) ? to : map.getFromLowest(); - if (from < to) - { - return null; - } - } - return map.locateInTo(from, to); - } - return new int[] { from, to }; - } - - /** - * return a new mapping object with a maplist modifed to only map the visible - * regions defined by viscontigs. - * - * @param viscontigs - * @return - */ - public Mapping intersectVisContigs(int[] viscontigs) - { - Mapping copy = new Mapping(this); - if (map != null) - { -// int vpos = 0; -// int apos = 0; - List toRange = new ArrayList(); - List fromRange = new ArrayList(); - for (int vc = 0; vc < viscontigs.length; vc += 2) - { - // find a mapped range in this visible region - int[] mpr = locateMappedRange(1 + viscontigs[vc], - viscontigs[vc + 1] - 1); - if (mpr != null) - { - for (int m = 0; m < mpr.length; m += 2) - { - toRange.add(new int[] { mpr[m], mpr[m + 1] }); - int[] xpos = locateRange(mpr[m], mpr[m + 1]); - for (int x = 0; x < xpos.length; x += 2) - { - fromRange.add(new int[] { xpos[x], xpos[x + 1] }); - } - } - } - } - int[] from = new int[fromRange.size() * 2]; - int[] to = new int[toRange.size() * 2]; - int[] r; - for (int f = 0, fSize = fromRange.size(); f < fSize; f++) - { - r = fromRange.get(f); - from[f * 2] = r[0]; - from[f * 2 + 1] = r[1]; - } - for (int f = 0, fSize = toRange.size(); f < fSize; f++) - { - r = toRange.get(f); - to[f * 2] = r[0]; - to[f * 2 + 1] = r[1]; - } - copy.setMap( - new MapList(from, to, map.getFromRatio(), map.getToRatio())); - } - return copy; - } - - /** - * get the sequence being mapped to - if any - * - * @return null or a dataset sequence - */ - public SequenceI getTo() - { - return to; - } - - /** - * set the dataset sequence being mapped to if any - * - * @param tto - */ - public void setTo(SequenceI tto) - { - to = tto; - } - - /** - * Returns an iterator which can serve up the aligned codon column positions - * and their corresponding peptide products - * - * @param seq - * an aligned (i.e. possibly gapped) sequence - * @param gapChar - * @return - */ - public Iterator getCodonIterator(SequenceI seq, - char gapChar) - { - return new AlignedCodonIterator(seq, gapChar); - } - - /** - * Readable representation for debugging only, not guaranteed not to change - */ - @Override - public String toString() - { - return String.format("%s %s", this.map.toString(), - this.to == null ? "" : this.to.getName()); - } - - /** - * Returns the identifier for the 'from' range sequence, or null if not set - * - * @return - */ - public String getMappedFromId() - { - return mappedFromId; - } - - /** - * Sets the identifier for the 'from' range sequence - */ - public void setMappedFromId(String mappedFromId) - { - this.mappedFromId = mappedFromId; - } - -}