]> git.donarmstrong.com Git - mothur.git/blobdiff - venn.cpp
created mothurOut class to handle logfiles
[mothur.git] / venn.cpp
index 282ca984782a8fd05f979179c589806897649862..43129f5e2d8713e1608be534915cbe61276d1ea5 100644 (file)
--- a/venn.cpp
+++ b/venn.cpp
  */
 
 #include "venn.h"
+#include "ace.h"
+#include "sobs.h"
+#include "chao1.h"
+#include "sharedchao1.h"
+#include "sharedsobscollectsummary.h"
+
 
 //**********************************************************************************************************************
-Venn::Venn(){
+Venn::Venn(string o) : outputDir(o) {
        try {
                globaldata = GlobalData::getInstance();
-               format = globaldata->getFormat();
-               
+               m = MothurOut::getInstance();
+
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the Venn class Function Venn. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-       catch(...) {
-               cout << "An unknown error has occurred in the Venn class function Venn. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "Venn", "Venn");
                exit(1);
        }
 }
 //**********************************************************************************************************************
-void Venn::getPic(OrderVector* order) {
+vector<string> Venn::getPic(SAbundVector* sabund, vector<Calculator*> vCalcs) {
        try {
                
-               rabund = order->getRAbundVector();
-               
-               string filenamesvg = globaldata->inputFileName + ".venn." + order->getLabel() + ".svg";
-               
-               openOutputFile(filenamesvg, outsvg);
+               vector<string> outputNames;
                
+               for(int i=0;i<vCalcs.size();i++){
+                       string filenamesvg = outputDir + getSimpleName(globaldata->inputFileName) + ".venn." + sabund->getLabel() + vCalcs[i]->getName() + ".svg";
+                       outputNames.push_back(filenamesvg);
+                       openOutputFile(filenamesvg, outsvg);
+
+                       vector<double> data = vCalcs[i]->getValues(sabund);
                        
-               //svg image
-               outsvg << "<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 200 200\" >\n";
-               outsvg << "<g>\n";
+                       //svg image
+                       outsvg << "<svg xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewBox=\"0 0 700 700\" >\n";
+                       outsvg << "<g>\n";
                                
-               outsvg << "<circle fill=\"red\" stroke=\"black\" cx=\"150\" cy=\"150\" r=\"100\"/>"; 
-               outsvg << "<text fill=\"black\" class=\"seri\" x=\"140\" y=\"150\">" + toString(rabund.getNumBins()) + "</text>\n";  
-               outsvg << "</g>\n</svg>\n";
+                       outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"700\" height=\"700\"/>"; 
+                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + sabund->getLabel() + "</text>\n";
+                       outsvg << "<circle fill=\"red\" opacity=\".5\" stroke=\"black\" cx=\"350\" cy=\"200\" r=\"150\"/>"; 
+                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(data[0]).length() / 2)) + "\" y=\"195\">" + toString(data[0]) + "</text>\n";  
+                       
+                       if (data.size() == 3) { 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"200\" y=\"380\">The lower bound of the confidence interval is " + toString(data[1]) + "</text>\n";
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"200\" y=\"410\">The upper bound of the confidence interval is " + toString(data[2]) + "</text>\n";
+                       }
+                       
+                       outsvg << "</g>\n</svg>\n";
+                       outsvg.close();
+               }
                
-               outsvg.close();
+               return outputNames;
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the Venn class Function getPic. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-       catch(...) {
-               cout << "An unknown error has occurred in the Venn class function getPic. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "Venn", "getPic");
                exit(1);
        }
 }
 //**********************************************************************************************************************
-void Venn::getPic(SharedOrderVector* sharedorder) {
+vector<string> Venn::getPic(vector<SharedRAbundVector*> lookup, vector<Calculator*> vCalcs) {
        try {
                
-               //fills vector of sharedsabunds - lookup
-               getSharedVectors(sharedorder);
-                               
-               string filenamesvg = globaldata->inputFileName + ".venn." + sharedorder->getLabel() + "." + groupComb + ".svg";
-               openOutputFile(filenamesvg, outsvg);
+               vector<SharedRAbundVector*> subset;
+               vector<string> outputNames;
                
-               //image window
-               outsvg << "<svg width=\"100%\" height=\"100%\" viewBox=\"0 0 700 700\" >\n";
-               outsvg << "<g>\n";
-                               
+               /******************* 1 Group **************************/
                if (lookup.size() == 1) {
-                       outsvg << "<circle fill=\"red\" opacity=\".5\" stroke=\"black\" cx=\"150\" cy=\"150\" r=\"100\"/>"; 
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"140\" y=\"150\">" + toString(lookup[0]->getNumBins()) + "</text>\n";  
-                       outsvg << "</g>\n</svg>\n";
-                       
-               }else if (lookup.size() == 2) {
-                       //calc the shared otu
-                       int shared = 0;
-                       int numA = 0;
-                       int numB = 0;
-                       
-                       float rScaler;
-                       
-                       //for each bin
-                       for (int i = 0; i < lookup[0]->size(); i++) {
-                               if (lookup[0]->getAbundance(i) != 0) { numA++; }
-                               if (lookup[1]->getAbundance(i) != 0) { numB++; }
-                               //are they shared
-                               if ((lookup[0]->getAbundance(i) != 0) && (lookup[1]->getAbundance(i) != 0)) { shared++; }
-                       }
+                                       
+                       SAbundVector s;
+                       s = lookup[0]->getSAbundVector();  SAbundVector* sabund = &s;
                        
-                       if (numA > numB) { rScaler = 150 / float(numA); }
-                       else { rScaler = 150 / float(numB); }
+                       //make a file for each calculator
+                       for(int i=0;i<vCalcs.size();i++){
+                               string filenamesvg = outputDir + getSimpleName(globaldata->inputFileName) + lookup[0]->getLabel() + ".venn." + vCalcs[i]->getName() + ".svg";
+                               outputNames.push_back(filenamesvg);
+                               openOutputFile(filenamesvg, outsvg);
                        
-                       //to determine how far over to overlap b onto a.
-                       float percentOverlap = shared / (float) numA;   
+                               //in essence you want to run it like a single 
+                               if (vCalcs[i]->getName() == "sharedsobs") {
+                                       singleCalc = new Sobs();
+                               }else if (vCalcs[i]->getName() == "sharedchao") {
+                                       singleCalc = new Chao1();
+                               }else if (vCalcs[i]->getName() == "sharedace") {
+                                       singleCalc = new Ace(10);
+                               }
+                               
+                               vector<double> data = singleCalc->getValues(sabund);
                        
-                       int bx = 200 + (numA * rScaler) - ((2 * (numA * rScaler)) * percentOverlap) + (numB * rScaler);
-                       int leftedgeB = bx - (numB * rScaler);  //center b - b's radius
-                       int leftedgeA = 200 - (numA * rScaler); //center a - a's radius
-                       int rightedgeB = bx + (numB * rScaler);  //center b + b's radius
-                       int rightedgeA = 200 + (numA * rScaler); //center a + a's radius
-
-                       int mida = leftedgeA + ((leftedgeB - leftedgeA) / 2);
-                       int midb = rightedgeA + ((rightedgeB - rightedgeA) / 2);
-                       int midab = leftedgeB + ((rightedgeA - leftedgeB) / 2);
+                               //svg image
+                               outsvg << "<svg xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewBox=\"0 0 700 700\" >\n";
+                               outsvg << "<g>\n";
+                               
+                               outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"700\" height=\"700\"/>"; 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + lookup[0]->getLabel() + "</text>\n";
+                               outsvg << "<circle fill=\"red\" opacity=\".5\" stroke=\"black\" cx=\"350\" cy=\"200\" r=\"150\"/>"; 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)lookup[0]->getGroup().length() / 2)) + "\" y=\"165\">" + lookup[0]->getGroup() + "</text>\n";
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(data[0]).length() / 2)) + "\" y=\"195\">" + toString(data[0]) + "</text>\n";  
                        
-                       //draw circles
-                       outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"700\" height=\"700\"/>"; 
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(leftedgeA + ((rightedgeB - leftedgeA) / 2) - 70) + "\" y=\"50\">Venn Diagram at distance " + sharedorder->getLabel() + "</text>\n"; 
-                       outsvg << "<circle fill=\"rgb(255,0,0)\" opacity=\".5\" stroke=\"black\" cx=\"200\" cy=\"250\" r=\"" + toString(numA * rScaler) + "\"/>"; 
-                       outsvg << "<circle fill=\"rgb(0,255,0)\" opacity=\".5\" stroke=\"black\" cx=\"" + toString(bx)  + "\" cy=\"250\" r=\"" + toString(numB * rScaler) + "\"/>";
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(mida) + "\" y=\"250\">" + toString(numA-shared) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(midab) + "\" y=\"250\">" + toString(shared) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(midb) + "\" y=\"250\">" + toString(numB-shared) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(mida) + "\" y=\"500\">Percentage of species that are shared is " + toString((shared / (float)(numA + numB - shared))) + "</text>\n"; 
+                               if (data.size() == 3) { 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"200\" y=\"380\">The lower bound of the confidence interval is " + toString(data[1]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"200\" y=\"410\">The upper bound of the confidence interval is " + toString(data[2]) + "</text>\n";
+                               }
                        
-               }else if (lookup.size() == 3) {
-                       //calc the shared otu
-                       int sharedABC = 0;
-                       int numA = 0; int numB = 0; int numC = 0;
-                       int sharedAB = 0; int sharedAC = 0; int sharedBC = 0;
-                       
-                       //float scalerB;
-                       
-                       //for each bin
-                       for (int i = 0; i < lookup[0]->size(); i++) {
-                               if (lookup[0]->getAbundance(i) != 0) { numA++; }
-                               if (lookup[1]->getAbundance(i) != 0) { numB++; }
-                               if (lookup[2]->getAbundance(i) != 0) { numC++; }
-                               //are they shared by 2
-                               if ((lookup[0]->getAbundance(i) != 0) && (lookup[1]->getAbundance(i) != 0)) { sharedAB++; }
-                               if ((lookup[0]->getAbundance(i) != 0) && (lookup[2]->getAbundance(i) != 0)) { sharedAC++; }
-                               if ((lookup[2]->getAbundance(i) != 0) && (lookup[1]->getAbundance(i) != 0)) { sharedBC++; }
-                               
-                               //are they shared by all
-                               if ((lookup[0]->getAbundance(i) != 0) && (lookup[1]->getAbundance(i) != 0) && (lookup[2]->getAbundance(i) != 0)) { sharedABC++; }
+                               outsvg << "</g>\n</svg>\n";
+                               outsvg.close();
+                               delete singleCalc;
+                               
                        }
-                                               
-                       //draw circles
-                       outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"700\" height=\"700\"/>"; 
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + sharedorder->getLabel() + "</text>\n";
-                       outsvg << "<circle fill=\"rgb(255,0,0)\" opacity=\".3\" stroke=\"black\" cx=\"230\" cy=\"200\" r=\"150\"/>"; 
-                       outsvg << "<circle fill=\"rgb(0,255,0)\" opacity=\".3\" stroke=\"black\" cx=\"455\" cy=\"200\" r=\"150\"/>"; 
-                       outsvg << "<circle fill=\"rgb(0,0,255)\" opacity=\".3\" stroke=\"black\" cx=\"343\" cy=\"400\" r=\"150\"/>"; 
-                       
-                       //place labels within overlaps
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)toString(numA-sharedAB-sharedAC+sharedABC).length() / 2)) + "\" y=\"170\">" + toString(numA-sharedAB-sharedAC+sharedABC) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(sharedAB).length() / 2)) + "\"  y=\"170\">" + toString(sharedAB) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(485 - ((int)toString(numB-sharedAB-sharedBC+sharedABC).length() / 2)) + "\"  y=\"170\">" + toString(numB-sharedAB-sharedBC+sharedABC) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(268 - ((int)toString(sharedAC).length() / 2)) + "\"  y=\"305\">" + toString(sharedAC) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(343 - ((int)toString(numC-sharedAC-sharedBC+sharedABC).length() / 2)) + "\"   y=\"430\">" + toString(numC-sharedAC-sharedBC+sharedABC) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(408 - ((int)toString(sharedBC).length() / 2)) + "\" y=\"305\">" + toString(sharedBC) + "</text>\n";  
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(sharedABC).length() / 2)) + "\"  y=\"280\">" + toString(sharedABC) + "</text>\n"; 
-                       
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"100\" y=\"580\">Percentage of species that are shared in groups " + globaldata->Groups[0] + " and " + globaldata->Groups[1] + " is " + toString((sharedAB / (float)(numA + numB - sharedAB))) + "</text>\n";
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"100\" y=\"610\">Percentage of species that are shared in groups " + globaldata->Groups[0] + " and " + globaldata->Groups[2] + " is " + toString((sharedAC / (float)(numA + numC - sharedAC))) + "</text>\n";
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"100\" y=\"640\">Percentage of species that are shared in groups " + globaldata->Groups[1] + " and " + globaldata->Groups[2] + " is " + toString((sharedBC / (float)(numB + numC - sharedBC))) + "</text>\n";
-                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"100\" y=\"670\">Percentage of species that are shared in groups " + globaldata->Groups[0] + ", " + globaldata->Groups[1] + " and " + globaldata->Groups[2] + " is " + toString((sharedABC / (float)(numA + numB + numC - sharedAB - sharedAC - sharedBC - (2 * sharedABC)))) + "</text>\n";
-               }
+               /******************* 2 Groups **************************/       
                
-               outsvg << "</g>\n</svg>\n";
-               outsvg.close();
+               }else if (lookup.size() == 2) {
+                       //get sabund vector pointers so you can use the single calculators
+                       //one for each group
+                       SAbundVector sA, sB;
+                       SAbundVector* sabundA; SAbundVector* sabundB;
+                       sabundA = new SAbundVector(lookup[0]->getSAbundVector());//  sabundA = &sA;
+                       sabundB = new SAbundVector(lookup[1]->getSAbundVector());//  sabundB = &sB;
+                       
+                       subset.clear();
+                       subset.push_back(lookup[0]); subset.push_back(lookup[1]);
+                       
+                       //make a file for each calculator
+                       for(int i=0;i<vCalcs.size();i++){
+                               string filenamesvg = outputDir + getSimpleName(globaldata->inputFileName) + lookup[0]->getLabel() + ".venn." + vCalcs[i]->getName() + ".svg";
+                               outputNames.push_back(filenamesvg);
+                               openOutputFile(filenamesvg, outsvg);
+                               
+                               //get estimates for sharedAB
+                               vector<double> shared = vCalcs[i]->getValues(subset);
+                               
+                               //in essence you want to run it like a single 
+                               if (vCalcs[i]->getName() == "sharedsobs") {
+                                       singleCalc = new Sobs();
+                               }else if (vCalcs[i]->getName() == "sharedchao") {
+                                       singleCalc = new Chao1();
+                               }//else if (vCalcs[i]->getName() == "sharedace") {
+                                       //singleCalc = new Ace(10);
+                               //}
+                               
+                               //get estimates for numA
+                               vector<double> numA = singleCalc->getValues(sabundA);
 
+                               //get estimates for numB
+                               vector<double> numB = singleCalc->getValues(sabundB);
+                                               
+                               //image window
+                               outsvg << "<svg xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewBox=\"0 0 700 700\" >\n";
+                               outsvg << "<g>\n";
+
+                               //draw circles
+                               outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"700\" height=\"700\"/>"; 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + lookup[0]->getLabel() + "</text>\n";
+                               outsvg << "<circle fill=\"rgb(255,0,0)\" opacity=\".3\" stroke=\"black\" cx=\"250\" cy=\"200\" r=\"150\"/>"; 
+                               outsvg << "<circle fill=\"rgb(0,255,0)\" opacity=\".3\" stroke=\"black\" cx=\"435\" cy=\"200\" r=\"150\"/>"; 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)toString(numA[0]).length() / 2)) + "\" y=\"195\">" + toString(numA[0] - shared[0]) + "</text>\n";
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(490 - ((int)toString(numB[0]).length() / 2)) + "\" y=\"195\">" + toString(numB[0] - shared[0]) + "</text>\n"; 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)lookup[0]->getGroup().length() / 2)) + "\" y=\"175\">" + lookup[0]->getGroup() + "</text>\n";
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(490 - ((int)lookup[1]->getGroup().length() / 2)) + "\" y=\"175\">" + lookup[1]->getGroup() + "</text>\n"; 
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(shared[0]).length() / 2)) + "\" y=\"195\">" + toString(shared[0]) + "</text>\n";  
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"460\">The number of species in group " + lookup[0]->getGroup() + " is " + toString(numA[0]);
+                               if (numA.size() == 3) { 
+                                       outsvg << " the lci is " + toString(numA[1]) + " and the hci is " + toString(numA[2]) + "</text>\n";
+                               }else { outsvg << "</text>\n"; }
                
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"480\">The number of species in group " + lookup[1]->getGroup() + " is " + toString(numB[0]);
+                               if (numB.size() == 3) { 
+                                       outsvg << " the lci is " + toString(numB[1]) + " and the hci is " + toString(numB[2]) + "</text>\n";
+                               }else { outsvg << "</text>\n"; }
+
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"500\">The number of sepecies shared between groups " + lookup[0]->getGroup() + " and " + lookup[1]->getGroup() + " is " + toString(shared[0]) + "</text>\n";
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"520\">Percentage of species that are shared in groups " + lookup[0]->getGroup() + " and " + lookup[1]->getGroup() + " is " + toString((shared[0] / (float)(numA[0] + numB[0] - shared[0]))*100) + "</text>\n";
+                               outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"540\">The total richness for all groups is " + toString((float)(numA[0] + numB[0] - shared[0])) + "</text>\n";
+                               
+                               //close file
+                               outsvg << "</g>\n</svg>\n";
+                               outsvg.close();
+                               delete singleCalc;
+                       }
+               /******************* 3 Groups **************************/
+                                               
+               }else if (lookup.size() == 3) {
+                       //get sabund vector pointers so you can use the single calculators
+                       //one for each group
+                       SAbundVector sA, sB, sC;
+                       SAbundVector* sabundA; SAbundVector* sabundB; SAbundVector* sabundC;
+                       sA = lookup[0]->getSAbundVector();  sabundA = &sA;
+                       sB = lookup[1]->getSAbundVector();  sabundB = &sB;
+                       sC = lookup[2]->getSAbundVector();  sabundC = &sC;
                
-       }
-       catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the Venn class Function getPic. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-       catch(...) {
-               cout << "An unknown error has occurred in the Venn class function getPic. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-}
-//**********************************************************************************************************************
-void Venn::getSharedVectors(SharedOrderVector* order){
-       try {
-       
-               //delete lookup
-               for (int j = 0; j < lookup.size(); j++) {
-                       delete lookup[j];
-               }
+                       //make a file for each calculator
+                       for(int i=0;i<vCalcs.size();i++){
+                       
+                               string filenamesvg = outputDir + getSimpleName(globaldata->inputFileName) + lookup[0]->getLabel() + ".venn." + vCalcs[i]->getName() + ".svg";
+                               outputNames.push_back(filenamesvg);
+                               openOutputFile(filenamesvg, outsvg);
+                               
+                               if (vCalcs[i]->getName() == "sharedace") {
+                               
+                                       singleCalc = new Ace(10);
+                                       
+                                       //get estimates for numA
+                                       vector<double> numA = singleCalc->getValues(sabundA);
+                       
+                                       //get estimates for numB
+                                       vector<double> numB = singleCalc->getValues(sabundB);
+                               
+                                       //get estimates for numC
+                                       vector<double> numC = singleCalc->getValues(sabundC);
+
 
-               lookup.clear();
+                                       //get estimates for sharedAB, sharedAC and sharedBC
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[1]);
+                                       vector<double> sharedAB = vCalcs[i]->getValues(subset);
+                                       
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[2]);
+                                       vector<double> sharedAC = vCalcs[i]->getValues(subset);
+                                       
+                                       subset.clear();
+                                       subset.push_back(lookup[1]); subset.push_back(lookup[2]);
+                                       vector<double> sharedBC = vCalcs[i]->getValues(subset);
+                                       
+                                       vector<double> sharedAwithBC;
+                                       vector<double> sharedBwithAC;
+                                       vector<double> sharedCwithAB;
+                                       
+                                       //find possible sharedABC values
+                                       float sharedABC1 = 0.0; float sharedABC2 = 0.0; float sharedABC3 = 0.0; float sharedABC = 0.0;
+
+                                       if (vCalcs[i]->getMultiple() == false) {
+                                               //merge BC and estimate with shared with A
+                                               SharedRAbundVector* merge = new SharedRAbundVector();
+                                               for (int j = 0; j < lookup[1]->size(); j++) {
+                                                       merge->push_back((lookup[1]->getAbundance(j) + lookup[2]->getAbundance(j)), "");
+                                               }
+                                       
+                                               subset.clear();
+                                               subset.push_back(lookup[0]); subset.push_back(merge);
+                                               sharedAwithBC = vCalcs[i]->getValues(subset);
+                               
+                                               delete merge;
+                                               //merge AC and estimate with shared with B
+                                               merge = new SharedRAbundVector();
+                                               for (int j = 0; j < lookup[0]->size(); j++) {
+                                                       merge->push_back((lookup[0]->getAbundance(j) + lookup[2]->getAbundance(j)), "");
+                                               }
+                                       
+                                               subset.clear();
+                                               subset.push_back(merge); subset.push_back(lookup[1]);
+                                               sharedBwithAC = vCalcs[i]->getValues(subset);
+                               
+                                               delete merge;
+                                               //merge AB and estimate with shared with C
+                                               merge = new SharedRAbundVector();
+                                               for (int j = 0; j < lookup[0]->size(); j++) {
+                                                       merge->push_back((lookup[0]->getAbundance(j) + lookup[1]->getAbundance(j)), "");
+                                               }
+                                       
+                                               subset.clear();
+                                               subset.push_back(lookup[2]); subset.push_back(merge);
+                                               sharedCwithAB = vCalcs[i]->getValues(subset);
+                                               delete merge;
+                                       
+                                               sharedABC1 = sharedAB[0] + sharedAC[0] - sharedAwithBC[0];
+                                               sharedABC2 = sharedAB[0] + sharedBC[0] - sharedBwithAC[0];
+                                               sharedABC3 = sharedAC[0] + sharedBC[0] - sharedCwithAB[0];
+        
+                                               //if any of the possible m's are - throw them out
+                                               if (sharedABC1 < 0.00001) { sharedABC1 = 0; }
+                                               if (sharedABC2 < 0.00001) { sharedABC2 = 0; }
+                                               if (sharedABC3 < 0.00001) { sharedABC3 = 0; }
+                       
+                                               //sharedABC is the minimum of the 3 possibilities
+                                               if ((sharedABC1 < sharedABC2) && (sharedABC1 < sharedABC3)) { sharedABC = sharedABC1; }
+                                               else if ((sharedABC2 < sharedABC1) && (sharedABC2 < sharedABC3)) { sharedABC = sharedABC2; }
+                                               else if ((sharedABC3 < sharedABC1) && (sharedABC3 < sharedABC2)) { sharedABC = sharedABC3; }    
+                                       }else{
+                                               vector<double> data = vCalcs[i]->getValues(lookup);
+                                               sharedABC = data[0];
+                                               sharedAwithBC.push_back(sharedAB[0] + sharedAC[0] - sharedABC);
+                                               sharedBwithAC.push_back(sharedAB[0] + sharedBC[0] - sharedABC);
+                                               sharedCwithAB.push_back(sharedAC[0] + sharedBC[0] - sharedABC);
+                                       }
+                                       
+                                       //image window
+                                       outsvg << "<svg xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewBox=\"0 0 800 800\" >\n";
+                                       outsvg << "<g>\n";
+
+                                       //draw circles
+                                       outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"800\" height=\"800\"/>"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + lookup[0]->getLabel() + "</text>\n";
+                                       outsvg << "<circle fill=\"rgb(255,0,0)\" opacity=\".3\" stroke=\"black\" cx=\"230\" cy=\"200\" r=\"150\"/>"; 
+                                       outsvg << "<circle fill=\"rgb(0,255,0)\" opacity=\".3\" stroke=\"black\" cx=\"455\" cy=\"200\" r=\"150\"/>"; 
+                                       outsvg << "<circle fill=\"rgb(0,0,255)\" opacity=\".3\" stroke=\"black\" cx=\"343\" cy=\"400\" r=\"150\"/>"; 
+
+                                       //place labels within overlaps
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)toString(numA[0]-sharedAwithBC[0]).length() / 2)) + "\" y=\"170\">" + toString(numA[0]-sharedAwithBC[0]) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)lookup[0]->getGroup().length() / 2)) + "\" y=\"150\">" + lookup[0]->getGroup() + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(sharedAB[0] - sharedABC).length() / 2)) + "\"  y=\"170\">" + toString(sharedAB[0] - sharedABC) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(485 - ((int)toString(numB[0]-sharedBwithAC[0]).length() / 2)) + "\"  y=\"170\">" + toString(numB[0]-sharedBwithAC[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(485 - ((int)lookup[1]->getGroup().length() / 2)) + "\"  y=\"150\">" + lookup[1]->getGroup() + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(268 - ((int)toString(sharedAC[0] - sharedABC).length() / 2)) + "\"  y=\"305\">" + toString(sharedAC[0] - sharedABC) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(343 - ((int)toString(numC[0]-sharedCwithAB[0]).length() / 2)) + "\"   y=\"430\">" + toString(numC[0]-sharedCwithAB[0]) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(343 - ((int)lookup[2]->getGroup().length() / 2)) + "\"   y=\"410\">" + lookup[2]->getGroup() + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(408 - ((int)toString(sharedBC[0] - sharedABC).length() / 2)) + "\" y=\"305\">" + toString(sharedBC[0] - sharedABC) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(sharedABC).length() / 2)) + "\"  y=\"280\">" + toString(sharedABC) + "</text>\n"; 
+                               
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"660\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[1]->getGroup() + " is " + toString(sharedAB[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"680\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedAC[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"700\">The number of species shared between groups " + lookup[1]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedBC[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"720\">The number of species shared between groups " + lookup[0]->getGroup() + " and combined groups " + lookup[1]->getGroup() + lookup[2]->getGroup() + " is " + toString(sharedAwithBC[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"740\">The number of species shared between groups " + lookup[1]->getGroup() + " and combined groups " + lookup[0]->getGroup() + lookup[2]->getGroup() + " is " + toString(sharedBwithAC[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"760\">The number of species shared between groups " + lookup[2]->getGroup() + " and combined groups " + lookup[0]->getGroup() + lookup[1]->getGroup() + " is " + toString(sharedCwithAB[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"580\">The number of species in group " + lookup[0]->getGroup() + " is " + toString(numA[0]);
+                                       if (numA.size() == 3) { 
+                                               outsvg << " the lci is " + toString(numA[1]) + " and the hci is " + toString(numA[2]) + "</text>\n";
+                                       }else { outsvg << "</text>\n"; }
+                       
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"600\">The number of species in group " + lookup[1]->getGroup() + " is " + toString(numB[0]);
+                                       if (numB.size() == 3) { 
+                                               outsvg << " the lci is " + toString(numB[1]) + " and the hci is " + toString(numB[2]) + "</text>\n";
+                                       }else { outsvg << "</text>\n"; }
+                                       
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"620\">The number of species in group " + lookup[2]->getGroup() + " is " + toString(numC[0]);
+                                       if (numC.size() == 3) { 
+                                               outsvg << " the lci is " + toString(numC[1]) + " and the hci is " + toString(numC[2]) + "</text>\n";
+                                       }else { outsvg << "</text>\n"; }
+
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"640\">The total richness of all the groups is " + toString(numA[0] + numB[0] + numC[0] - sharedAB[0] - sharedAC[0] - sharedBC[0] + sharedABC) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"780\">The total shared richness is " + toString(sharedABC) + "</text>\n";
+                                       
+                                       delete singleCalc;
+                                       
+                               }else { //sharedchao and sharedsobs are multigroup
+                                       
+                                       vector<SharedRAbundVector*> subset;
+
+                                       //get estimates for numA
+                                       subset.push_back(lookup[0]);
+                                       vector<double> numA = vCalcs[i]->getValues(subset);
+                       
+                                       //get estimates for numB
+                                       subset.clear();
+                                       subset.push_back(lookup[1]);
+                                       vector<double> numB = vCalcs[i]->getValues(subset);
+                               
+                                       //get estimates for numC
+                                       subset.clear();
+                                       subset.push_back(lookup[2]);
+                                       vector<double> numC = vCalcs[i]->getValues(subset);
+
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[1]);
+                                       vector<double> sharedab =  vCalcs[i]->getValues(subset);
+                                       
+                                       subset.clear(); 
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[2]);
+                                       vector<double> sharedac =  vCalcs[i]->getValues(subset);
+                                       
+                                       subset.clear(); 
+                                       subset.push_back(lookup[1]); subset.push_back(lookup[2]);
+                                       vector<double> sharedbc =  vCalcs[i]->getValues(subset);
+                                       
+                                       subset.clear(); 
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[1]); subset.push_back(lookup[2]);
+                                       vector<double> sharedabc =  vCalcs[i]->getValues(subset);
+                                       
+                                       //image window
+                                       outsvg << "<svg xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewBox=\"0 0 800 800\" >\n";
+                                       outsvg << "<g>\n";
+
+                                       //draw circles
+                                       outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"800\" height=\"800\"/>"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + lookup[0]->getLabel() + "</text>\n";
+                                       outsvg << "<circle fill=\"rgb(255,0,0)\" opacity=\".3\" stroke=\"black\" cx=\"230\" cy=\"200\" r=\"150\"/>"; 
+                                       outsvg << "<circle fill=\"rgb(0,255,0)\" opacity=\".3\" stroke=\"black\" cx=\"455\" cy=\"200\" r=\"150\"/>"; 
+                                       outsvg << "<circle fill=\"rgb(0,0,255)\" opacity=\".3\" stroke=\"black\" cx=\"343\" cy=\"400\" r=\"150\"/>"; 
+
+                                       //place labels within overlaps
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)toString(numA[0]-sharedab[0]-sharedac[0]+sharedabc[0]).length() / 2)) + "\" y=\"170\">" + toString(numA[0]-sharedab[0]-sharedac[0]+sharedabc[0]) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(200 - ((int)lookup[0]->getGroup().length() / 2)) + "\" y=\"150\">" + lookup[0]->getGroup() + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(sharedab[0] - sharedabc[0]).length() / 2)) + "\"  y=\"170\">" + toString(sharedab[0] - sharedabc[0]) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(485 - ((int)toString(numB[0]-sharedab[0]-sharedbc[0]+sharedabc[0]).length() / 2)) + "\"  y=\"170\">" + toString(numB[0]-sharedab[0]-sharedbc[0]+sharedabc[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(485 - ((int)lookup[1]->getGroup().length() / 2)) + "\"  y=\"150\">" + lookup[1]->getGroup() + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(268 - ((int)toString(sharedac[0] - sharedabc[0]).length() / 2)) + "\"  y=\"305\">" + toString(sharedac[0] - sharedabc[0]) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(343 - ((int)toString(numC[0]-sharedac[0]-sharedbc[0]+sharedabc[0]).length() / 2)) + "\"   y=\"430\">" + toString(numC[0]-sharedac[0]-sharedbc[0]+sharedabc[0]) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(343 - ((int)lookup[2]->getGroup().length() / 2)) + "\"   y=\"410\">" + lookup[2]->getGroup() + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(408 - ((int)toString(sharedbc[0] - sharedabc[0]).length() / 2)) + "\" y=\"305\">" + toString(sharedbc[0] - sharedabc[0]) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(343 - ((int)toString(sharedabc[0]).length() / 2)) + "\"  y=\"280\">" + toString(sharedabc[0]) + "</text>\n"; 
+                               
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"660\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[1]->getGroup() + " is " + toString(sharedab[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"680\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedac[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"700\">The number of species shared between groups " + lookup[1]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedbc[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"580\">The number of species in group " + lookup[0]->getGroup() + " is " + toString(numA[0]);
+                                       if (numA.size() == 3) { 
+                                               outsvg << " the lci is " + toString(numA[1]) + " and the hci is " + toString(numA[2]) + "</text>\n";
+                                       }else { outsvg << "</text>\n"; }
+                       
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"600\">The number of species in group " + lookup[1]->getGroup() + " is " + toString(numB[0]);
+                                       if (numB.size() == 3) { 
+                                               outsvg << " the lci is " + toString(numB[1]) + " and the hci is " + toString(numB[2]) + "</text>\n";
+                                       }else { outsvg << "</text>\n"; }
+                                       
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"620\">The number of species in group " + lookup[2]->getGroup() + " is " + toString(numC[0]);
+                                       if (numC.size() == 3) { 
+                                               outsvg << " the lci is " + toString(numC[1]) + " and the hci is " + toString(numC[2]) + "</text>\n";
+                                       }else { outsvg << "</text>\n"; }
+
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"640\">The total richness of all the groups is " + toString(numA[0] + numB[0] + numC[0] - sharedab[0] - sharedac[0] - sharedbc[0] + sharedabc[0]) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"720\">The total shared richness is " + toString(sharedabc[0]) + "</text>\n";
+
+
+                               }
                
-               groupComb = "";
+                                                               
+                               //close file
+                               outsvg << "</g>\n</svg>\n";
+                               outsvg.close();
+                               
+
+                       }
+                       
+               /******************* 4 Groups **************************/
                
-               //create and initialize vector of sharedvectors, one for each group
-               for (int i = 0; i < globaldata->Groups.size(); i++) { 
-                       SharedRAbundVector* temp = new SharedRAbundVector(order->getNumBins());
-                       temp->setLabel(order->getLabel());
-                       temp->setGroup(globaldata->Groups[i]);
-                       groupComb += globaldata->Groups[i];
-                       lookup.push_back(temp);
-               }
+               }else if (lookup.size() == 4) {
+                       //calc the shared otu
+                       float sharedABCD = 0;
+                       float numA = 0; float numB = 0; float numC = 0; float numD = 0;
+                       float sharedAB = 0; float sharedAC = 0; float sharedBC = 0; float sharedAD = 0; float sharedBD = 0; float sharedCD = 0;
+                       float sharedABC = 0; float sharedACD = 0; float sharedBCD = 0; float sharedABD = 0;
+                       vector<double> data;
+                       //get sabund vector pointers so you can use the single calculators
+                       //one for each group
+                       SAbundVector sA, sB, sC, sD;
+                       SAbundVector* sabundA; SAbundVector* sabundB; SAbundVector* sabundC; SAbundVector* sabundD;
+                       sA = lookup[0]->getSAbundVector();  sabundA = &sA;
+                       sB = lookup[1]->getSAbundVector();  sabundB = &sB;
+                       sC = lookup[2]->getSAbundVector();  sabundC = &sC;
+                       sD = lookup[3]->getSAbundVector();  sabundD = &sD;
+                       
+                       //A = red, B = green, C = blue, D = yellow
+                       
+                       //make a file for each calculator
+                       for(int i=0;i<vCalcs.size();i++){
+                               
+                               if ((vCalcs[i]->getName() != "sharedsobs") && (vCalcs[i]->getName() != "sharedchao")) { m->mothurOut(vCalcs[i]->getName() + " is not a valid calculator with four groups.  It will be disregarded. "); m->mothurOutEndLine(); }
+                               else{
+                                       string filenamesvg = outputDir + getSimpleName(globaldata->inputFileName) + lookup[0]->getLabel() + ".venn." + vCalcs[i]->getName() + ".svg";
+                                       outputNames.push_back(filenamesvg);
+                                       openOutputFile(filenamesvg, outsvg);
+
+                               
+                                       //in essence you want to run it like a single 
+                                       if (vCalcs[i]->getName() == "sharedsobs") {
+                                               singleCalc = new Sobs();
+                                       }else if (vCalcs[i]->getName() == "sharedchao") {
+                                               singleCalc = new Chao1();
+                                       }
+                               
+                                       //get estimates for numA
+                                       data = singleCalc->getValues(sabundA);
+                                       numA = data[0];
+       //cout << "num a = " << numA << endl;   
+                       
+                                       //get estimates for numB
+                                       data = singleCalc->getValues(sabundB);
+                                       numB = data[0];
+       //cout << "num b = " << numB << endl;                           
+                                       //get estimates for numC
+                                       data = singleCalc->getValues(sabundC);
+                                       numC = data[0];
+       //cout << "num c = " << numC << endl;                           
+                                       //get estimates for numD
+                                       data = singleCalc->getValues(sabundD);
+                                       numD = data[0];
+//cout << "num d = " << numD << endl;  
+
+                                       //get estimates for pairs
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[1]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedAB = data[0];
+       //cout << "num ab = " << sharedAB << endl;                      
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[2]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedAC = data[0];
+       //cout << "num ac = " << sharedAC << endl;                              
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[3]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedAD = data[0];
+       //cout << "num ad = " << sharedAD << endl;                      
+                                       subset.clear();
+                                       subset.push_back(lookup[1]); subset.push_back(lookup[2]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedBC = data[0];
+       //cout << "num bc = " << sharedBC << endl;                              
+                                       subset.clear();
+                                       subset.push_back(lookup[1]); subset.push_back(lookup[3]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedBD = data[0];
+               //cout << "num bd = " << sharedBD << endl;                                              
+                                       subset.clear();
+                                       subset.push_back(lookup[2]); subset.push_back(lookup[3]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedCD = data[0];
+                                               
+       //cout << "num cd = " << sharedCD << endl;                              
+                                       //get estimates for combos of 3
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[1]); subset.push_back(lookup[2]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedABC = data[0];
+               //cout << "num abc = " << sharedABC << endl;                                    
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[2]); subset.push_back(lookup[3]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedACD = data[0];
+                       //cout << "num acd = " << sharedACD << endl;    
+                                       subset.clear();
+                                       subset.push_back(lookup[1]); subset.push_back(lookup[2]); subset.push_back(lookup[3]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedBCD = data[0];
+               //cout << "num bcd = " << sharedBCD << endl;            
+                                       subset.clear();
+                                       subset.push_back(lookup[0]); subset.push_back(lookup[1]); subset.push_back(lookup[3]);
+                                       data = vCalcs[i]->getValues(subset);
+                                       sharedABD = data[0];
+//cout << "num abd = " << sharedABD << endl;
+                                       //get estimate for all four
+                                       data = vCalcs[i]->getValues(lookup);
+                                       sharedABCD = data[0];
+               //cout << "num abcd = " << sharedABCD << endl << endl;  
                
-               int numSeqs = order->size();
-               //sample all the members
-               for(int i=0;i<numSeqs;i++){
-                       //get first sample
-                       individual chosen = order->get(i);
-                       int abundance; 
-                                       
-                       //set info for sharedvector in chosens group
-                       for (int j = 0; j < lookup.size(); j++) { 
-                               if (chosen.group == lookup[j]->getGroup()) {
-                                        abundance = lookup[j]->getAbundance(chosen.bin);
-                                        lookup[j]->set(chosen.bin, (abundance + 1), chosen.group);
-                                        break;
+                               
+                                               
+                                       //image window
+                                       outsvg << "<svg xmlns:svg=\"http://www.w3.org/2000/svg\" xmlns=\"http://www.w3.org/2000/svg\" width=\"100%\" height=\"100%\" viewBox=\"0 0 700 800\" >\n";
+                                       outsvg << "<g>\n";
+                                       outsvg << "<rect fill=\"white\" stroke=\"white\" x=\"0\" y=\"0\" width=\"700\" height=\"800\"/>"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"265\" y=\"30\">Venn Diagram at distance " + lookup[0]->getLabel() + "</text>\n";
+
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"490\">The number of species in group " + lookup[0]->getGroup() + " is " + toString(numA) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"510\">The number of species in group " + lookup[1]->getGroup() + " is " + toString(numB) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"530\">The number of species in group " + lookup[2]->getGroup() + " is " + toString(numC) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"550\">The number of species in group " + lookup[3]->getGroup() + " is " + toString(numD) + "</text>\n";
+                                       
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"570\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[1]->getGroup() + " is " + toString(sharedAB) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"590\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedAC) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"610\">The number of species shared between groups " + lookup[0]->getGroup() + " and " + lookup[3]->getGroup() + " is " + toString(sharedAD) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"630\">The number of species shared between groups " + lookup[1]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedBC) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"650\">The number of species shared between groups " + lookup[1]->getGroup() + " and " + lookup[3]->getGroup() + " is " + toString(sharedBD) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"670\">The number of species shared between groups " + lookup[2]->getGroup() + " and " + lookup[3]->getGroup() + " is " + toString(sharedCD) + "</text>\n";
+                                       
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"690\">The number of species shared between groups " + lookup[0]->getGroup() + ", " + lookup[1]->getGroup() + " and " + lookup[2]->getGroup() + " is " + toString(sharedABC) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"710\">The number of species shared between groups " + lookup[0]->getGroup() + ", " + lookup[1]->getGroup() + " and " + lookup[3]->getGroup() + " is " + toString(sharedABD) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"730\">The number of species shared between groups " + lookup[0]->getGroup() + ", " + lookup[2]->getGroup() + " and " + lookup[3]->getGroup() + " is " + toString(sharedACD) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"750\">The number of species shared between groups " + lookup[1]->getGroup() + ", " + lookup[2]->getGroup() + " and " + lookup[3]->getGroup() + " is " + toString(sharedBCD) + "</text>\n";
+                                                                       
+                                       //make adjustments
+                                       sharedABC = sharedABC - sharedABCD;
+                       //cout << "num abc = " << sharedABC << endl;            
+                                       sharedABD = sharedABD - sharedABCD;
+                               //cout << "num abd = " << sharedABD << endl;
+                                       sharedACD = sharedACD - sharedABCD;
+                               //cout << "num acd = " << sharedACD << endl;
+                                       sharedBCD = sharedBCD - sharedABCD;
+                               //cout << "num bcd = " << sharedBCD << endl;
+                                       
+                                       sharedAB = sharedAB - sharedABC - sharedABCD - sharedABD;  //cout << "num ab = " << sharedAB << endl;
+                                       sharedAC = sharedAC - sharedABC - sharedABCD - sharedACD;  //cout << "num ac = " << sharedAC << endl;
+                                       sharedAD = sharedAD - sharedABD - sharedABCD - sharedACD;  //cout << "num ad = " << sharedAD << endl;                           
+                                       sharedBC = sharedBC - sharedABC - sharedABCD - sharedBCD;  //cout << "num bc = " << sharedBC << endl;
+                                       sharedBD = sharedBD - sharedABD - sharedABCD - sharedBCD; // cout << "num bd = " << sharedBD << endl; 
+                                       sharedCD = sharedCD - sharedACD - sharedABCD - sharedBCD;  //cout << "num cd = " << sharedCD << endl;
+                                       
+                                       numA = numA - sharedAB - sharedAC - sharedAD - sharedABCD - sharedABC - sharedACD - sharedABD;
+                       //cout << "num a = " << numA << endl;           
+                                       numB = numB - sharedAB - sharedBC - sharedBD - sharedABCD - sharedABC - sharedABD - sharedBCD;
+                       //cout << "num b = " << numB << endl;           
+                                       numC = numC - sharedAC - sharedBC - sharedCD - sharedABCD - sharedABC - sharedACD - sharedBCD;
+                       //cout << "num c = " << numC << endl;           
+                                       numD = numD - sharedAD - sharedBD - sharedCD - sharedABCD - sharedBCD - sharedACD - sharedABD;
+                       //cout << "num d = " << numD << endl;           
+                                       
+                                       //draw circles
+                                       outsvg << "<ellipse fill=\"red\" stroke=\"black\" opacity=\".35\" transform=\"rotate(-45 355 215) \" cx=\"355\" cy=\"215\" rx=\"200\" ry=\"115\"/>\n "; 
+                                       outsvg << "<ellipse fill=\"green\" stroke=\"black\" opacity=\".35\" transform=\"rotate(+45 355 215) \" cx=\"355\" cy=\"215\" rx=\"200\" ry=\"115\"/>\n ";
+                                       outsvg << "<ellipse fill=\"blue\" stroke=\"black\" opacity=\".35\" transform=\"rotate(-40 440 315) \" cx=\"440\" cy=\"315\" rx=\"200\" ry=\"115\"/>\n ";
+                                       outsvg << "<ellipse fill=\"yellow\" stroke=\"black\" opacity=\".35\" transform=\"rotate(+40 270 315) \" cx=\"270\" cy=\"315\" rx=\"200\" ry=\"115\"/>\n ";
+                       
+                                       //A = red, B = green, C = blue, D = yellow
+                       
+                                       //place labels within overlaps
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(460 - ((int)toString(numA).length() / 2)) + "\" y=\"110\">" + toString(numA)  + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(460 - ((int)lookup[0]->getGroup().length() / 2)) + "\" y=\"90\">" + lookup[0]->getGroup() + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(350 - ((int)toString(sharedAB).length() / 2)) + "\"  y=\"160\">" + toString(sharedAB) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(250 - ((int)toString(numB).length() / 2)) + "\"  y=\"110\">" + toString(numB)  + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(250 - ((int)lookup[1]->getGroup().length() / 2)) + "\"  y=\"90\">" + lookup[1]->getGroup() + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(490 - ((int)toString(sharedAC).length() / 2)) + "\"  y=\"190\">" + toString(sharedAC) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(550 - ((int)toString(numC).length() / 2)) + "\"   y=\"230\">" + toString(numC) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(550 - ((int)lookup[2]->getGroup().length() / 2)) + "\"   y=\"210\">" + lookup[2]->getGroup() + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(215 - ((int)toString(sharedBD).length() / 2)) + "\" y=\"190\">" + toString(sharedBD) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(150 - ((int)toString(numD).length() / 2)) + "\"   y=\"230\">" + toString(numD) + "</text>\n";  
+                                       outsvg << "<text fill=\"black\" class=\"seri\"  x=\"" + toString(150 - ((int)lookup[3]->getGroup().length() / 2)) + "\"   y=\"210\">" + lookup[3]->getGroup() + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(240 - ((int)toString(sharedAD).length() / 2)) + "\" y=\"325\">" + toString(sharedAD) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(470 - ((int)toString(sharedBC).length() / 2)) + "\" y=\"325\">" + toString(sharedBC) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(350 - ((int)toString(sharedCD).length() / 2)) + "\" y=\"430\">" + toString(sharedCD) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(275 - ((int)toString(sharedABD).length() / 2)) + "\" y=\"240\">" + toString(sharedABD) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(400 - ((int)toString(sharedBCD).length() / 2)) + "\" y=\"360\">" + toString(sharedBCD) + "</text>\n";
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(305 - ((int)toString(sharedACD).length() / 2)) + "\" y=\"360\">" + toString(sharedACD) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(440 - ((int)toString(sharedABC).length() / 2)) + "\"  y=\"240\">" + toString(sharedABC) + "</text>\n"; 
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"" + toString(350 - ((int)toString(sharedABCD).length() / 2)) + "\"  y=\"320\">" + toString(sharedABCD) + "</text>\n"; 
+                                       
+                                       
+                                                                               
+                                       outsvg << "<text fill=\"black\" class=\"seri\" x=\"175\" y=\"770\">The total richness of all the groups is " + toString((float)(numA + numB + numC + numD + sharedAB + sharedAC + sharedAD + sharedBC + sharedBD + sharedCD + sharedABC + sharedABD + sharedACD + sharedBCD + sharedABCD)) + "</text>\n";
+                                       
+
+                                       outsvg << "</g>\n</svg>\n";
+                                       outsvg.close();
+                                       delete singleCalc;
                                }
                        }
                }
                
+               return outputNames;
+               
        }
        catch(exception& e) {
-               cout << "Standard Error: " << e.what() << " has occurred in the Venn class Function getSharedVectors. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
-               exit(1);
-       }
-       catch(...) {
-               cout << "An unknown error has occurred in the Venn class function getSharedVectors. Please contact Pat Schloss at pschloss@microbio.umass.edu." << "\n";
+               m->errorOut(e, "Venn", "getPic");
                exit(1);
        }
-
 }
-//**********************************************************************************************************************
-