Function plot

utils/simplot/main.cpp:410–543

//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

void plot(DataFile& df, string Title, string xTitle, string yTitle, int XID, vector <int> IDs)
{
  df.SetStartIdx(0);
  df.SetEndIdx(df.GetNumRecords()-1);

  metafl("PNG");
  setpag("da4l");

  disini(); // Initialization

  pagera(); // Set Plot Parameters
//  hwfont();
  helve();
  shdcha();
  chncrv("color");

  axspos(450,1800); // Set plot axis system
  axslen(2200,1200);

  int thisplot; // Set plot titles
  int numtraces = IDs.size();

  name((char*)xTitle.c_str(),"x");
  name((char*)yTitle.c_str(),"y");
  labdig(3,"xy");
  ticks(10,"xy");
  titlin((char*)Title.c_str(),1);

  string subtitle = "";
  for (thisplot=0; thisplot < numtraces; thisplot++) {
    if (thisplot == 0) subtitle = df.names[IDs[thisplot]];
    else               subtitle = subtitle + ", " + df.names[IDs[thisplot]];
  }

  subtitle = subtitle + string(" vs. ") + xTitle;
  titlin((char*)(subtitle.c_str()),3);

// Plot data

  double *timarray = new double[df.GetEndIdx()-df.GetStartIdx()+1];

  for (int pt=df.GetStartIdx(), pti=0; pt<=df.GetEndIdx(); pt++, pti++) {
    timarray[pti] = df.Data[pt][XID];
  }

  float axismax = df.GetAutoAxisMax(IDs[0]);
  float axismin = df.GetAutoAxisMin(IDs[0]);

  for (thisplot=1; thisplot < numtraces; thisplot++) {
    axismax = axismax > df.GetAutoAxisMax(IDs[thisplot]) ? axismax : df.GetAutoAxisMax(IDs[thisplot]);
    axismin = axismin < df.GetAutoAxisMin(IDs[thisplot]) ? axismin : df.GetAutoAxisMin(IDs[thisplot]);
  }

  float spread = axismax - axismin;

  if      (spread < 1.0)   labdig(3,"y");
  else if (spread < 10.0)  labdig(2,"y");
  else if (spread < 100.0) labdig(1,"y");