C++ Process::Progress方法代码示例

void IsisMain() {

  QString projName;

  Process pHist;
  Cube *icube = pHist.SetInputCube("FROM");

  // Check to see if the input cube looks like a HiRISE RDR
  if (icube->bandCount() > 3) {
    QString msg = "Input file [" +
                 Application::GetUserInterface().GetFileName("FROM") +
                 "] does not appear to be a HiRISE RDR product. Number of " +
                 "bands is greater than 3";
    throw IException(IException::Programmer, msg, _FILEINFO_);
  }

  // Setup to get a histogram for each band
  g_min = new double[icube->bandCount()];
  g_max = new double[icube->bandCount()];

  UserInterface &ui = Application::GetUserInterface();

  // Determine if the data is to be converted to JPEG2000
  IString enctype = ui.GetString("ENCODING_TYPE");
  enctype.DownCase();

  for (int band = 1; band <= icube->bandCount(); ++band) {

    if (ui.GetString("TYPE").compare("AUTOMATIC") == 0) {
      // Set up a histogram for this band. This call sets the input range
      // by making an initial stats pass to find the data min and max
      Histogram hist(*icube, band, pHist.Progress());

      // Loop and accumulate histogram
      pHist.Progress()->SetText("Gathering Histogram");
      pHist.Progress()->SetMaximumSteps(icube->lineCount());
      pHist.Progress()->CheckStatus();
      LineManager line(*icube);
      for (int i = 1; i <= icube->lineCount(); i++) {
        line.SetLine(i, band);
        icube->read(line);
        hist.AddData(line.DoubleBuffer(), line.size());
        pHist.Progress()->CheckStatus();
      }

      // get the requested cumulative percentages
      g_min[band-1] = ui.GetDouble("MINPER") == 0.0 ? hist.Minimum() : hist.Percent(ui.GetDouble("MINPER"));
      g_max[band-1] = ui.GetDouble("MAXPER") == 100.0 ? hist.Maximum() : hist.Percent(ui.GetDouble("MAXPER"));
    }
    else {
      g_min[band-1] = ui.GetDouble("MIN");
      g_max[band-1] = ui.GetDouble("MAX");
    }
  }

  // Find the minimum min and maximum max for all bands
  double minmin = g_min[0];
  double maxmax = g_max[0];
  for (int band = 1; band < icube->bandCount(); ++band) {
    if (g_min[band] < minmin) minmin = g_min[band];
    if (g_max[band] > maxmax) maxmax = g_max[band];
  }

  pHist.EndProcess();

  // Set up for writing the data to a PDS formatted file
  ProcessExportPds p;
  Cube *icube2 = p.SetInputCube("FROM");

  if (enctype.Equal("jp2")) {
    g_jp2buf = new char* [icube2->bandCount()];
    FileName lblFile(ui.GetFileName("TO"));
    QString lblFileName = lblFile.path() + "/" + lblFile.baseName() + ".lbl";
    p.SetDetached(lblFileName);
    p.setFormat(ProcessExport::JP2);
  }

  // Set the output pixel type and the special pixel values
  int nbits = ui.GetInteger("BITS");
  if (nbits == 8) {
    if (enctype.Equal("jp2")) {
      for (int i = 0; i < icube2->bandCount(); i++) {
        g_jp2buf[i] = new char[icube2->sampleCount()];
      }
    }
    g_oType = Isis::UnsignedByte;
    p.SetOutputType(g_oType);
    p.SetOutputRange(VALID_MIN1, VALID_MAX1);
    p.SetOutputNull(NULL1);
    p.SetOutputLis(LOW_INSTR_SAT1);
    p.SetOutputLrs(LOW_REPR_SAT1);
    p.SetOutputHis(HIGH_INSTR_SAT1);
    p.SetOutputHrs(HIGH_REPR_SAT1);
  }
  else if (nbits == 16) {
    if (enctype.Equal("jp2")) {
      for (int i = 0; i < icube2->bandCount(); i++) {
        g_jp2buf[i] = new char[icube2->sampleCount()*2];
      }
    }
//.........这里部分代码省略.........

void IsisMain() {
  Process p;
  Cube *icube = p.SetInputCube("FROM");

  // Setup the histogram
  UserInterface &ui = Application::GetUserInterface();
  Histogram hist(*icube,1,p.Progress());
  if (ui.WasEntered("MINIMUM")) {
    hist.SetValidRange(ui.GetDouble("MINIMUM"),ui.GetDouble("MAXIMUM"));
  }
  if (ui.WasEntered("NBINS")) {
    hist.SetBins(ui.GetInteger("NBINS"));
  }

  // Loop and accumulate histogram
  p.Progress()->SetText("Gathering Histogram");
  p.Progress()->SetMaximumSteps(icube->Lines());
  p.Progress()->CheckStatus();
  LineManager line(*icube);
  for (int i=1; i<=icube->Lines(); i++) {
    line.SetLine(i);
    icube->Read(line);
    hist.AddData(line.DoubleBuffer(),line.size());
    p.Progress()->CheckStatus();
  }

  if(!ui.IsInteractive() || ui.WasEntered("TO")) {
    // Write the results

    if (!ui.WasEntered("TO")) {
      string msg = "The [TO] parameter must be entered";
      throw iException::Message(iException::User,msg,_FILEINFO_);
    }
    string outfile = ui.GetFilename("TO");
    ofstream fout;
    fout.open (outfile.c_str());
   
    fout << "Cube:           " << ui.GetFilename("FROM") << endl;
    fout << "Band:           " << icube->Bands() << endl;
    fout << "Average:        " << hist.Average() << endl;
    fout << "Std Deviation:  " << hist.StandardDeviation() << endl;
    fout << "Variance:       " << hist.Variance() << endl;
    fout << "Median:         " << hist.Median() << endl;
    fout << "Mode:           " << hist.Mode() << endl;
    fout << "Skew:           " << hist.Skew() << endl;
    fout << "Minimum:        " << hist.Minimum() << endl;
    fout << "Maximum:        " << hist.Maximum() << endl;
    fout << endl;
    fout << "Total Pixels:    " << hist.TotalPixels() << endl;
    fout << "Valid Pixels:    " << hist.ValidPixels() << endl;
    fout << "Null Pixels:     " << hist.NullPixels() << endl;
    fout << "Lis Pixels:      " << hist.LisPixels() << endl;
    fout << "Lrs Pixels:      " << hist.LrsPixels() << endl;
    fout << "His Pixels:      " << hist.HisPixels() << endl;
    fout << "Hrs Pixels:      " << hist.HrsPixels() << endl;
   
    //  Write histogram in tabular format
    fout << endl;
    fout << endl;
    fout << "DN,Pixels,CumulativePixels,Percent,CumulativePercent" << endl;
   
    Isis::BigInt total = 0;
    double cumpct = 0.0;
   
    for (int i=0; i<hist.Bins(); i++) {
      if (hist.BinCount(i) > 0) {
        total += hist.BinCount(i);
        double pct = (double)hist.BinCount(i) / hist.ValidPixels() * 100.;
        cumpct += pct;
   
        fout << hist.BinMiddle(i) << ",";
        fout << hist.BinCount(i) << ",";
        fout << total << ",";
        fout << pct << ",";
        fout << cumpct << endl;
      }
    }
    fout.close();
  }
  // If we are in gui mode, create a histogram plot
  if (ui.IsInteractive()) {
    // Set the title for the dialog
    string title;
    if (ui.WasEntered("TITLE")) {
      title = ui.GetString("TITLE");
    }
    else {
      title = "Histogram Plot for " + Filename(ui.GetAsString("FROM")).Name();
    }

    // Create the QHistogram, set the title & load the Isis::Histogram into it

    Qisis::HistogramToolWindow *plot = new Qisis::HistogramToolWindow(title.c_str(), ui.TheGui());

    // Set the xaxis title if they entered one
    if (ui.WasEntered("XAXIS")) {
      string xaxis(ui.GetString("XAXIS"));
      plot->setAxisLabel(QwtPlot::xBottom,xaxis.c_str());
    }

//.........这里部分代码省略.........