Method Load

src/models/FGAerodynamics.cpp:331–398

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

bool FGAerodynamics::Load(Element *document)
{
  string axis;
  string scratch_unit="";
  Element *temp_element, *axis_element, *function_element;

  Name = "Aerodynamics Model: " + document->GetAttributeValue("name");

  // Perform base class Pre-Load
  if (!FGModel::Upload(document, true))
    return false;

  DetermineAxisSystem(document); // Determine if Lift/Side/Drag, etc. is used.

  Debug(2);

  if ((temp_element = document->FindElement("alphalimits"))) {
    scratch_unit = temp_element->GetAttributeValue("unit");
    if (scratch_unit.empty()) scratch_unit = "RAD";
    alphaclmin0 = temp_element->FindElementValueAsNumberConvertFromTo("min", scratch_unit, "RAD");
    alphaclmax0 = temp_element->FindElementValueAsNumberConvertFromTo("max", scratch_unit, "RAD");
    alphaclmin = alphaclmin0;
    alphaclmax = alphaclmax0;
  }

  if ((temp_element = document->FindElement("hysteresis_limits"))) {
    scratch_unit = temp_element->GetAttributeValue("unit");
    if (scratch_unit.empty()) scratch_unit = "RAD";
    alphahystmin = temp_element->FindElementValueAsNumberConvertFromTo("min", scratch_unit, "RAD");
    alphahystmax = temp_element->FindElementValueAsNumberConvertFromTo("max", scratch_unit, "RAD");
  }

  if ((temp_element = document->FindElement("aero_ref_pt_shift_x"))) {
    function_element = temp_element->FindElement("function");
    AeroRPShift = new FGFunction(FDMExec, function_element);
  }

  axis_element = document->FindElement("axis");
  while (axis_element) {
    AeroFunctionArray ca;
    AeroFunctionArray ca_atCG;
    axis = axis_element->GetAttributeValue("name");
    function_element = axis_element->FindElement("function");
    while (function_element) {
      try {
        if (function_element->HasAttribute("apply_at_cg") &&
            function_element->GetAttributeValue("apply_at_cg") == "true")
          ca_atCG.push_back(new FGFunction(FDMExec, function_element));
        else
          ca.push_back(new FGFunction(FDMExec, function_element));
      } catch (BaseException& e) {
        string current_func_name = function_element->GetAttributeValue("name");
        FGXMLLogging log(axis_element, LogLevel::ERROR);
        log << LogFormat::RED << "\nError loading aerodynamic function in "
            << current_func_name << ":" << e.what() << " Aborting.\n" << LogFormat::RESET;
        return false;
      }
      function_element = axis_element->FindNextElement("function");