bool FGAerodynamics::Load(Element *element)
{
string parameter, axis, scratch;
string scratch_unit="";
string fname="", file="";
Element *temp_element, *axis_element, *function_element;
string separator = "/";
fname = element->GetAttributeValue("file");
if (!fname.empty()) {
file = FDMExec->GetFullAircraftPath() + separator + fname;
document = LoadXMLDocument(file);
if (document == 0L) return false;
} else {
document = element;
}
FGModel::Load(document); // Perform base class Pre-Load
DetermineAxisSystem(); // Detemine 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";
alphaclmin = temp_element->FindElementValueAsNumberConvertFromTo("min", scratch_unit, "RAD");
alphaclmax = temp_element->FindElementValueAsNumberConvertFromTo("max", scratch_unit, "RAD");
}
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(PropertyManager, function_element);
}
axis_element = document->FindElement("axis");
while (axis_element) {
AeroFunctionArray ca;
axis = axis_element->GetAttributeValue("name");
function_element = axis_element->FindElement("function");
while (function_element) {
string current_func_name = function_element->GetAttributeValue("name");
try {
ca.push_back( new FGFunction(PropertyManager, function_element) );
} catch (string const str) {
cerr << endl << fgred << "Error loading aerodynamic function in "
<< current_func_name << ":" << str << " Aborting." << reset << endl;
return false;
}
function_element = axis_element->FindNextElement("function");
}
AeroFunctions[AxisIdx[axis]] = ca;
axis_element = document->FindNextElement("axis");
}
PostLoad(document, PropertyManager); // Perform base class Post-Load
return true;
}
bool FGAerodynamics::Load(Element *document)
{
string parameter, axis, scratch;
string scratch_unit="";
Element *temp_element, *axis_element, *function_element;
Name = "Aerodynamics Model: " + document->GetAttributeValue("name");
// Perform base class Pre-Load
if (!FGModel::Load(document))
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(PropertyManager, 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) {
string current_func_name = function_element->GetAttributeValue("name");
bool apply_at_cg = false;
if (function_element->HasAttribute("apply_at_cg")) {
if (function_element->GetAttributeValue("apply_at_cg") == "true") apply_at_cg = true;
}
if (!apply_at_cg) {
try {
ca.push_back( new FGFunction(PropertyManager, function_element) );
} catch (string const str) {
cerr << endl << fgred << "Error loading aerodynamic function in "
<< current_func_name << ":" << str << " Aborting." << reset << endl;
return false;
}
} else {
try {
ca_atCG.push_back( new FGFunction(PropertyManager, function_element) );
} catch (string const str) {
cerr << endl << fgred << "Error loading aerodynamic function in "
<< current_func_name << ":" << str << " Aborting." << reset << endl;
return false;
}
}
function_element = axis_element->FindNextElement("function");
}
AeroFunctions[AxisIdx[axis]] = ca;
AeroFunctionsAtCG[AxisIdx[axis]] = ca_atCG;
axis_element = document->FindNextElement("axis");
}
PostLoad(document, PropertyManager); // Perform base class Post-Load
return true;
}
