2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7)
3 * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle
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 of the License, or (at your option) any later version.
11 * Jalview is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
14 * PURPOSE. See the GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
18 package jalview.schemes;
21 import java.util.Hashtable;
23 import jalview.datamodel.AlignmentAnnotation;
26 * Looks at the information computed from an RNA Stockholm format file on the
27 * secondary structure of the alignment. Extracts the information on the
28 * positions of the helices present and assigns colors.
30 * @author Lauren Michelle Lui
33 public class RNAHelicesColour extends ResidueColourScheme
37 * Stores random colors generated for the number of helices
39 public Hashtable helixcolorhash = new Hashtable();
42 * Maps sequence positions to the RNA helix they belong to. Key: position,
45 public Hashtable positionsToHelix = new Hashtable();
48 * Number of helices in the RNA secondary structure
52 public AlignmentAnnotation annotation;
55 * Creates a new RNAHelicesColour object.
57 public RNAHelicesColour(AlignmentAnnotation annotation)
59 this.annotation = annotation;
63 private long lastrefresh = -1;
67 if (lastrefresh != annotation._rnasecstr.hashCode() && annotation.isValidStruc())
69 annotation.getRNAStruc();
70 lastrefresh = annotation._rnasecstr.hashCode();
72 positionsToHelix = new Hashtable();
74 // Figure out number of helices
75 // Length of rnasecstr is the number of pairs of positions that base pair
76 // with each other in the secondary structure
77 for (int x = 0; x < this.annotation._rnasecstr.length; x++)
81 * System.out.println(this.annotation._rnasecstr[x] + " Begin" +
82 * this.annotation._rnasecstr[x].getBegin());
84 // System.out.println(this.annotation._rnasecstr[x].getFeatureGroup());
86 positionsToHelix.put(this.annotation._rnasecstr[x].getBegin(),
87 this.annotation._rnasecstr[x].getFeatureGroup());
88 positionsToHelix.put(this.annotation._rnasecstr[x].getEnd(),
89 this.annotation._rnasecstr[x].getFeatureGroup());
91 if (Integer.parseInt(this.annotation._rnasecstr[x]
92 .getFeatureGroup()) > numHelix)
94 numHelix = Integer.parseInt(this.annotation._rnasecstr[x]
100 // Generate random colors and store
101 for (int j = 0; j <= numHelix; j++)
103 if (!helixcolorhash.containsKey(Integer.toString(j)))
105 helixcolorhash.put(Integer.toString(j),
106 jalview.util.ColorUtils.generateRandomColor(Color.white));
113 * Returns default color base on purinepyrimidineIndex in
114 * jalview.schemes.ResidueProperties (Allows coloring in sequence logo)
117 * Character in sequence
119 * @return color in RGB
121 public Color findColour(char c)
123 return ResidueProperties.purinepyrimidine[ResidueProperties.purinepyrimidineIndex[c]];
124 // random colors for all positions
125 // jalview.util.ColorUtils.generateRandomColor(Color.white); If you want
129 * Returns color based on helices
132 * Character in sequence
136 * @return Color in RGB
138 public Color findColour(char c, int j)
141 Color currentColour = Color.white;
142 String currentHelix = null;
143 currentHelix = (String) positionsToHelix.get(j);
145 if (currentHelix != null)
147 currentColour = (Color) helixcolorhash.get(currentHelix);
150 // System.out.println(c + " " + j + " helix " + currentHelix + " " +
152 return currentColour;