/**
Create the transform object.
@param coordTransElement : xml coordinate transform element
@return a fully constructed coordinate transform object.
*/
Mantid::API::CoordTransform *CoordTransformAffineParser::createTransform(
Poco::XML::Element *coordTransElement) const {
typedef Mantid::API::SingleValueParameterParser<Mantid::API::InDimParameter>
InDimParameterParser;
typedef Mantid::API::SingleValueParameterParser<Mantid::API::OutDimParameter>
OutDimParameterParser;
using namespace Poco::XML;
if ("CoordTransform" != coordTransElement->localName()) {
std::string message = "This is not a coordinate transform element: " +
coordTransElement->localName();
throw std::invalid_argument(message);
}
if ("CoordTransformAffine" !=
coordTransElement->getChildElement("Type")->innerText()) {
// Delegate
if (!m_successor) {
throw std::runtime_error(
"CoordTransformAffineParser has no successor parser.");
}
return m_successor->createTransform(coordTransElement);
}
Element *paramListElement =
coordTransElement->getChildElement("ParameterList");
Poco::XML::NodeList *parameters =
paramListElement->getElementsByTagName("Parameter");
// Add input dimension parameter.
InDimParameterParser inDimParser;
Poco::XML::Element *parameter =
dynamic_cast<Poco::XML::Element *>(parameters->item(0));
Mantid::API::InDimParameter *inDim =
inDimParser.createWithoutDelegation(parameter);
// Add output dimension parameter.
OutDimParameterParser outDimParser;
parameter = dynamic_cast<Poco::XML::Element *>(parameters->item(1));
Mantid::API::OutDimParameter *outDim =
outDimParser.createWithoutDelegation(parameter);
// Add affine matrix parameter.
AffineMatrixParameterParser affineMatrixDimParser;
parameter = dynamic_cast<Poco::XML::Element *>(parameters->item(2));
AffineMatrixParameter *affineMatrix =
affineMatrixDimParser.createParameter(parameter);
// Generate the coordinate transform with the matrix and return.
CoordTransformAffine *transform =
new CoordTransformAffine(inDim->getValue(), outDim->getValue());
transform->setMatrix(affineMatrix->getAffineMatrix());
return transform;
}
/*
Create the transform object.
@param coordTransElement : xml coordinate transform element
@return a fully constructed coordinate transform object.
*/
Mantid::API::CoordTransform *CoordTransformDistanceParser::createTransform(
Poco::XML::Element *coordTransElement) const {
// Typdef the parameter parsers required.
typedef Mantid::API::SingleValueParameterParser<Mantid::API::InDimParameter>
InDimParameterParser;
typedef Mantid::API::SingleValueParameterParser<Mantid::API::OutDimParameter>
OutDimParameterParser;
typedef Mantid::API::VectorParameterParser<CoordCenterVectorParam>
CoordCenterParser;
typedef Mantid::API::VectorParameterParser<DimensionsUsedVectorParam>
DimsUsedParser;
using namespace Poco::XML;
if ("CoordTransform" != coordTransElement->localName()) {
std::string message = "This is not a coordinate transform element: " +
coordTransElement->localName();
throw std::invalid_argument(message);
}
if ("CoordTransformDistance" !=
coordTransElement->getChildElement("Type")->innerText()) {
// Delegate
if (!m_successor) {
throw std::runtime_error(
"CoordTransformDistanceParser has no successor parser.");
}
return m_successor->createTransform(coordTransElement);
}
Element *paramListElement =
coordTransElement->getChildElement("ParameterList");
Poco::AutoPtr<Poco::XML::NodeList> parameters =
paramListElement->getElementsByTagName("Parameter");
// Parse the in dimension parameter.
InDimParameterParser inDimParamParser;
Poco::XML::Element *parameter =
dynamic_cast<Poco::XML::Element *>(parameters->item(0));
boost::shared_ptr<Mantid::API::InDimParameter> inDimParameter(
inDimParamParser.createWithoutDelegation(parameter));
// Parse the out dimension parameter.
OutDimParameterParser outDimParamParser;
parameter = dynamic_cast<Poco::XML::Element *>(parameters->item(1));
boost::shared_ptr<Mantid::API::OutDimParameter> outDimParameter(
outDimParamParser.createWithoutDelegation(parameter));
UNUSED_ARG(outDimParameter); // not actually used as an input.
// Parse the coordinate centre parameter.
CoordCenterParser coordCenterParser;
parameter = dynamic_cast<Poco::XML::Element *>(parameters->item(2));
boost::shared_ptr<Mantid::DataObjects::CoordCenterVectorParam>
coordCenterParam(coordCenterParser.createWithoutDelegation(parameter));
// Parse the dimensions used parameter.
DimsUsedParser dimsUsedParser;
parameter = dynamic_cast<Poco::XML::Element *>(parameters->item(3));
boost::shared_ptr<Mantid::DataObjects::DimensionsUsedVectorParam>
dimsUsedVecParm(dimsUsedParser.createWithoutDelegation(parameter));
////Generate the coordinate transform and return
CoordTransformDistance *transform = new CoordTransformDistance(
inDimParameter->getValue(), coordCenterParam->getPointerToStart(),
dimsUsedVecParm->getPointerToStart());
return transform;
}
