bool XMLDocument::isElementEqual(SimTK::Xml::Element& elt1, SimTK::Xml::Element& elt2, double toleranceForDoubles)
{
SimTK::String s1,s2;
elt1.writeToString(s1);
elt2.writeToString(s2);
SimTK::Xml::attribute_iterator att1 = elt1.attribute_begin();
SimTK::Xml::attribute_iterator att2 = elt2.attribute_begin();
// Handle different # attributes
if ( (att1 == elt1.attribute_end() && att2 != elt2.attribute_end()) ||
(att1 != elt1.attribute_end() && att2 == elt2.attribute_end()) ){
cout << "Number of attributes is different, element " << elt1.getElementTag() << endl;
return false;
}
bool equal =true;
// Same size attributes including none
for(att1 = elt1.attribute_begin(); att1 != elt1.attribute_end() && equal; att1++, att2++){
equal = (att1->getName() == att2->getName());
equal = equal && (att1->getValue() == att2->getValue());
if (!equal) {
cout << "Attribute " << att1->getName() << " is different " << att1->getValue() <<
"vs." << att2->getValue() << endl;
}
}
if (!equal) return false;
// Attributes match now children
SimTK::Array_<SimTK::Xml::Element> elts1 = elt1.getAllElements();
SimTK::Array_<SimTK::Xml::Element> elts2 = elt2.getAllElements();
if (elts1.size() != elts2.size()){
cout << "Different number of children for Element " << elt1.getElementTag() << endl;
equal = false;
}
if (!equal) return false;
// Recursively compare Elements unless Value Elements in that case do direct compare
for(unsigned it = 0; it < elts1.size() && equal; it++){
SimTK::String elt1Tag = elts1[it].getElementTag();
cout << "Compare " << elt1Tag << endl;
SimTK::Xml::element_iterator elt2_iter = elt2.element_begin(elt1Tag);
if (elt2_iter==elt2.element_end()){
cout << "Element " << elt1Tag << " was not found in reference document" << endl;
equal = false;
break;
}
bool value1 = elts1[it].isValueElement();
bool value2 = elt2_iter->isValueElement();
equal = (value1 == value2);
if (!equal){
cout << elts1[it].getElementTag() << " is different. One is Value Element the other isn't" << endl;
return false;
}
if (value1){
// We should check if this's a double or array of doubles in that case we can getValueAs<double> anbd
try {
SimTK::Array_<double> v1, v2;
elts1[it].getValueAs(v1);
elt2_iter->getValueAs(v2);
for(unsigned ix=0; ix<v1.size() && equal; ix++)
equal = (std::fabs(v1[ix]-v2[ix]) < toleranceForDoubles);
}
catch(...){
equal = (elts1[it].getValue() == elt2_iter->getValue());
}
}
else // recur
equal = isElementEqual(elts1[it], elts2[it], toleranceForDoubles);
if (!equal){
cout << elts1[it].getElementTag() << " is different" << endl;
SimTK::String pad;
elts1[it].writeToString(pad);
cout << pad << endl;
cout << "------------------- vs. ------" << endl;
elts2[it].writeToString(pad);
cout << pad << endl;
return equal;
}
}
return equal;
}
/** Override of the default implementation to account for versioning. */
void CustomJoint::
updateFromXMLNode(SimTK::Xml::Element& aNode, int versionNumber)
{
int documentVersion = versionNumber;
if ( documentVersion < XMLDocument::getLatestVersion()){
if (Object::getDebugLevel()>=1)
cout << "Updating CustomJoint to latest format..." << endl;
// Version before refactoring spatialTransform
if (documentVersion<10901){
// replace TransformAxisSet with SpatialTransform
/////renameChildNode("TransformAxisSet", "SpatialTransform");
// Check how many TransformAxes are defined
SimTK::Xml::element_iterator spatialTransformNode =
aNode.element_begin("TransformAxisSet");
if (spatialTransformNode == aNode.element_end()) return;
SimTK::Xml::element_iterator axesSetNode =
spatialTransformNode->element_begin("objects");
/////if (axesSetNode != NULL)
///// spatialTransformNode->removeChild(axesSetNode);
/////DOMElement*grpNode = XMLNode::GetFirstChildElementByTagName(spatialTransformNode,"groups");
/////if (grpNode != NULL)
///// spatialTransformNode->removeChild(grpNode);
// (0, 1, 2 rotations & 3, 4, 5 translations then remove the is_rotation node)
SimTK::Array_<SimTK::Xml::Element> list =
axesSetNode->getAllElements();
unsigned int listLength = list.size();
int objectsFound = 0;
Array<int> translationIndices(-1, 0);
Array<int> rotationIndices(-1, 0);
int nextAxis = 0;
std::vector<TransformAxis *> axes;
// Add children for all six axes here
//////_node->removeChild(SpatialTransformNode);
// Create a blank Spatial Transform and use it to populate the
// XML structure
for(int i=0; i<6; i++)
updSpatialTransform()[i].setFunction(new OpenSim::Constant(0));
Array<OpenSim::TransformAxis*> oldAxes;
for(unsigned int j=0;j<listLength;j++) {
// getChildNodes() returns all types of DOMNodes including
// comments, text, etc., but we only want
// to process element nodes
SimTK::Xml::Element objElmt = list[j];
string objectType = objElmt.getElementTag();
// (sherm) this is cleaning up old TransformAxis here but
// that should really be done in TransformAxis instead.
if (objectType == "TransformAxis"){
OpenSim::TransformAxis* readAxis =
new OpenSim::TransformAxis(objElmt);
assert(nextAxis <=5);
bool isRotation = false;
SimTK::Xml::element_iterator rotationNode =
objElmt.element_begin("is_rotation");
if (rotationNode != objElmt.element_end()){
SimTK::String sValue =
rotationNode->getValueAs<SimTK::String>();
bool value = (sValue.toLower() == "true");
isRotation = value;
objElmt.eraseNode(rotationNode);
}
SimTK::Xml::element_iterator coordinateNode =
objElmt.element_begin("coordinate");
SimTK::String coordinateName =
coordinateNode->getValueAs<SimTK::String>();
Array<std::string> names("");
names.append(coordinateName);
readAxis->setCoordinateNames(names);
SimTK::Xml::element_iterator axisNode =
objElmt.element_begin("axis");
SimTK::Vec3 axisVec= axisNode->getValueAs<SimTK::Vec3>();
readAxis->setAxis(axisVec);
if (isRotation){
rotationIndices.append(nextAxis);
}
else {
translationIndices.append(nextAxis);
}
axes.push_back(readAxis);
nextAxis++;
}
}
assert(rotationIndices.getSize() <=3);
assert(translationIndices.getSize() <=3);
//XMLNode::RemoveChildren(SpatialTransformAxesNode);
int nRotations = rotationIndices.getSize();
int nTranslations = translationIndices.getSize();
// Now copy coordinateName, Axis, Function into proper slot
for (int i=0; i<nRotations; i++){
updSpatialTransform()[i] = *axes[rotationIndices[i]];
}
updSpatialTransform().constructIndependentAxes(nRotations, 0);
// Add Translations from old list then pad with default ones,
// make sure no singularity.
for (int i=0; i<nTranslations; i++){
updSpatialTransform()[i+3] = *axes[translationIndices[i]];
}
updSpatialTransform().constructIndependentAxes(nTranslations, 3);
}
}
// Delegate to superclass now.
Super::updateFromXMLNode(aNode, versionNumber);
const CoordinateSet& coordinateSet = get_CoordinateSet();
// Fix coordinate type post deserialization
// Fix coordinate type post deserialization
for (int i=0; i<coordinateSet.getSize(); i++){
OpenSim::Coordinate& nextCoord = coordinateSet.get(i);
// Find TransformAxis for the coordinate and use it to set Coordinate's motionType
for(int axisIndex=0; axisIndex<6; axisIndex++){
const TransformAxis& nextAxis = getSpatialTransform()[axisIndex];
const Property<std::string>& coordNames = nextAxis.getCoordinateNames();
if (coordNames.findIndex(nextCoord.getName())!=-1){
coordinateSet.get(i).setMotionType((axisIndex>2)?
Coordinate::Translational : Coordinate::Rotational);
break;
}
}
}
// Axes should be independent otherwise Simbody throws an exception in addToSystem
double tol = 1e-5;
// Verify that none of the rotation axes are colinear
const std::vector<SimTK::Vec3> axes=getSpatialTransform().getAxes();
for(int startIndex=0; startIndex<=3; startIndex+=3){
if(((axes[startIndex+0]%axes[startIndex+1]).norm() < tol)||
((axes[startIndex+0]%axes[startIndex+2]).norm() < tol)||
((axes[startIndex+1]%axes[startIndex+2]).norm() < tol)){
throw(Exception("CustomJoint " + getName() +
" has colinear axes and so is not well-defined."
" Please fix and retry loading.."));
}
}
updProperty_SpatialTransform().setValueIsDefault(false);
}