heatmapsim.cpp

   1 /*
   2  *  heatmapsim.cpp
   3  *  Mothur
   4  *
   5  *  Created by Sarah Westcott on 6/8/09.
   6  *  Copyright 2009 Schloss Lab UMASS Amherst. All rights reserved.
   7  *
   8  */
   9
  10 #include "heatmapsim.h"
  11 #include "sharedjabund.h"
  12 #include "sharedsorabund.h"
  13 #include "sharedjclass.h"
  14 #include "sharedsorclass.h"
  15 #include "sharedjest.h"
  16 #include "sharedsorest.h"
  17 #include "sharedthetayc.h"
  18 #include "sharedthetan.h"
  19 #include "sharedmorisitahorn.h"
  20 #include "sharedbraycurtis.h"
  21
  22 //**********************************************************************************************************************
  23 HeatMapSim::HeatMapSim(){
  24                 globaldata = GlobalData::getInstance();
  25 }
  26 //**********************************************************************************************************************
  27
  28 void HeatMapSim::getPic(vector<SharedRAbundVector*> lookup, vector<Calculator*> calcs) {
  29         try {
  30                 EstOutput data;
  31                 vector<double> sims;
  32
  33                 //make file for each calculator selected
  34                 for (int m = 0; m < calcs.size(); m++) {
  35
  36                         string filenamesvg = getRootName(globaldata->inputFileName) + lookup[0]->getLabel() + calcs[m]->getName() + ".heatmap.sim.svg";
  37                         openOutputFile(filenamesvg, outsvg);
  38
  39                         //svg image
  40                         outsvg << "<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 " + toString((lookup.size() * 150) + 160) + " " + toString((lookup.size() * 150) + 160)  + "\">\n";
  41                         outsvg << "<g>\n";
  42
  43                         //white backround
  44                         outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"" + toString((lookup.size() * 150) + 160) + "\" height=\"" + toString((lookup.size() * 150) + 160)  + "\"/>";
  45                         outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString((lookup.size() * 75) - 40) + "\" y=\"25\">Heatmap at distance " + lookup[0]->getLabel() + "</text>\n";
  46
  47                         //column labels
  48                         for (int h = 0; h < lookup.size(); h++) {
  49                                 outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(((150 * (h+1)) ) - ((int)lookup[h]->getGroup().length() / 2)) + "\" y=\"50\">" + lookup[h]->getGroup() + "</text>\n";
  50                                 outsvg << "<text fill=\"black\" class=\"seri\" y=\"" + toString(((150 * (h+1)) ) - ((int)lookup[h]->getGroup().length() / 2)) + "\" x=\"50\">" + lookup[h]->getGroup() + "</text>\n";
  51                         }
  52
  53                         sims.clear();
  54                         double biggest = -1;
  55                         float scaler;
  56
  57                         //get sim for each comparison and save them so you can find the relative similairity
  58                         for(int i = 0; i < (lookup.size()-1); i++){
  59                                 for(int j = (i+1); j < lookup.size(); j++){
  60
  61                                                 vector<SharedRAbundVector*> subset;
  62                                                 subset.push_back(lookup[i]);  subset.push_back(lookup[j]);
  63
  64                                                 //get similairity between groups
  65                                                 data = calcs[m]->getValues(subset);
  66                                                 sims.push_back(data[0]);
  67
  68                                                 //save biggest similairity to set relative sim
  69                                                 if (data[0] > biggest) { biggest = data[0]; }
  70                                 }
  71                         }
  72
  73                         //map biggest similairity found to red
  74                         scaler = 255.0 / biggest;
  75
  76                         int count = 0;
  77                         //output similairites to file
  78                         for(int i = 0; i < (lookup.size()-1); i++){
  79                                 for(int j = (i+1); j < lookup.size(); j++){
  80
  81                                                 //find relative color
  82                                                 int color = scaler * sims[count];
  83                                                 //draw box
  84                                                 outsvg << "<rect fill=\"rgb(" + toString(color) + ",0,0)\" stroke=\"rgb(" + toString(color) + ",0,0)\" x=\"" + toString((i*150)+80) + "\" y=\"" + toString((j*150)+75) + "\" width=\"150\" height=\"150\"/>\n";
  85                                                 count++;
  86                                 }
  87                         }
  88
  89                         int y = ((lookup.size() * 150) + 120);
  90                         printLegend(y, biggest);
  91
  92                         outsvg << "</g>\n</svg>\n";
  93                         outsvg.close();
  94
  95                 }
  96
  97
  98         }
  99         catch(exception& e) {
 100                 errorOut(e, "HeatMapSim", "getPic");
 101                 exit(1);
 102         }
 103 }
 104 //**********************************************************************************************************************
 105
 106 void HeatMapSim::printLegend(int y, float maxSim) {
 107         try {
 108
 109                 //output legend and color labels
 110                 //go through map and give each score a color value
 111                 string color;
 112                 int x = 10;
 113
 114                 //prints legend
 115                 for (int i = 1; i < 255; i++) {
 116                         color = toHex(int((float)(i)));
 117                         outsvg << "<rect fill=\"#" + color + "0000\" stroke=\"#" + color + "0000\" x=\"" + toString(x) + "\" y=\"" + toString(y) + "\" width=\"1\" height=\"10\"/>\n";
 118                         x += 1;
 119                 }
 120
 121                 float scaler = maxSim / 5.0;
 122
 123                 //prints legend labels
 124                 x = 10;
 125                 for (int i = 1; i<=5; i++) {
 126                         float label = scaler*i;
 127                         label = int(label * 1000 + 0.5);
 128                         label /= 1000.0;
 129                         string text = toString(label, 3);
 130
 131                         outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(x) + "\" y=\"" + toString(y-3) + "\">" + text + "</text>\n";
 132                         x += 60;
 133                 }
 134         }
 135
 136         catch(exception& e) {
 137                 errorOut(e, "HeatMapSim", "printLegend");
 138                 exit(1);
 139         }
 140 }
 141
 142 //**********************************************************************************************************************
 143
 144
 145
 146