G4GDMLReadDefine.cc

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//
// $Id: G4GDMLReadDefine.cc 108895 2018-03-15 10:27:25Z gcosmo $
//
// class G4GDMLReadDefine Implementation
//
// Original author: Zoltan Torzsok, November 2007
//
// --------------------------------------------------------------------

#include "G4GDMLReadDefine.hh"
#include "G4UnitsTable.hh"

G4GDMLMatrix::G4GDMLMatrix()
  : m(0), rows(0), cols(0)
{
}

G4GDMLMatrix::G4GDMLMatrix(size_t rows0, size_t cols0)
{   
   if ((rows0==0) || (cols0==0))
   {
     G4Exception("G4GDMLMatrix::G4GDMLMatrix(r,c)", "InvalidSetup",
                 FatalException, "Zero indeces as arguments!?");
   }
   rows = rows0;
   cols = cols0;
   m = new G4double[rows*cols];
}

G4GDMLMatrix::G4GDMLMatrix(const G4GDMLMatrix& rhs)
  : m(0), rows(0), cols(0)
{
   if (rhs.m)
   {
     rows = rhs.rows;
     cols = rhs.cols;
     m = new G4double[rows*cols];
     for (size_t i=0; i<rows*cols; i++)  { m[i] = rhs.m[i]; }
   }
}

G4GDMLMatrix& G4GDMLMatrix::operator=(const G4GDMLMatrix& rhs)
{
   // Check assignment to self
   //
   if (this == &rhs)  { return *this; }

   // Copy data
   //
   rows = rhs.rows;
   cols = rhs.cols;
   if (rhs.m)
   {
     m = new G4double[rows*cols];
     for (size_t i=0; i<rows*cols; i++)  { m[i] = rhs.m[i]; }
   }
   else
   {
     m = 0;
   }

   return *this;
}

G4GDMLMatrix::~G4GDMLMatrix()
{
   delete [] m;
}

void G4GDMLMatrix::Set(size_t r,size_t c,G4double a)
{   
   if (r>=rows || c>=cols)
   {
     G4Exception("G4GDMLMatrix::set()", "InvalidSetup",
                 FatalException, "Index out of range!");
   }
   m[cols*r+c] = a;
}

G4double G4GDMLMatrix::Get(size_t r,size_t c) const
{   
   if (r>=rows || c>=cols)
   {
     G4Exception("G4GDMLMatrix::get()", "InvalidSetup",
                 FatalException, "Index out of range!");
   }
   return m[cols*r+c];
}

size_t G4GDMLMatrix::GetRows() const
{
   return rows;
}

size_t G4GDMLMatrix::GetCols() const
{
   return cols;
}

G4GDMLReadDefine::G4GDMLReadDefine() : G4GDMLRead()
{
}

G4GDMLReadDefine::~G4GDMLReadDefine()
{
}

G4RotationMatrix
G4GDMLReadDefine::GetRotationMatrix(const G4ThreeVector& angles)
{
   G4RotationMatrix rot;

   rot.rotateX(angles.x());
   rot.rotateY(angles.y());
   rot.rotateZ(angles.z());
   rot.rectify();  // Rectify matrix from possible roundoff errors

   return rot;
}

void
G4GDMLReadDefine::ConstantRead(const xercesc::DOMElement* const constantElement)
{
   G4String name  = "";
   G4double value = 0.0;

   const xercesc::DOMNamedNodeMap* const attributes
         = constantElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::ConstantRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name")  { name = attValue; }  else
      if (attName=="value") { value = eval.Evaluate(attValue); }
   }

   eval.DefineConstant(name,value);
}

void
G4GDMLReadDefine::ExpressionRead(const xercesc::DOMElement* const expElement)
{
   G4String name  = "";
   G4double value = 0.0;

   const xercesc::DOMNamedNodeMap* const attributes
         = expElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::ExpressionRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name")  { name = attValue; }
   }

   const G4String expValue = Transcode(expElement->getTextContent());
   value = eval.Evaluate(expValue);
   eval.DefineConstant(name,value);
}

void
G4GDMLReadDefine::MatrixRead(const xercesc::DOMElement* const matrixElement) 
{
   G4String name = "";
   G4int coldim  = 0;
   G4String values = "";

   const xercesc::DOMNamedNodeMap* const attributes
         = matrixElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::MatrixRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name")   { name  = GenerateName(attValue); } else
      if (attName=="coldim") { coldim = eval.EvaluateInteger(attValue); } else
      if (attName=="values") { values = attValue; }
   }

   std::stringstream MatrixValueStream(values);
   std::vector<G4double> valueList;

   while (!MatrixValueStream.eof())
   {
      G4String MatrixValue;
      MatrixValueStream >> MatrixValue;
      valueList.push_back(eval.Evaluate(MatrixValue));
   }

   eval.DefineMatrix(name,coldim,valueList);

   G4GDMLMatrix matrix(valueList.size()/coldim,coldim);

   for (size_t i=0;i<valueList.size();i++)
   {
      matrix.Set(i/coldim,i%coldim,valueList[i]);
   }

   matrixMap[name] = matrix;
}

void
G4GDMLReadDefine::PositionRead(const xercesc::DOMElement* const positionElement)
{
   G4String name = "";
   G4double unit = 1.0;
   G4ThreeVector position(0.,0.,0.);

   const xercesc::DOMNamedNodeMap* const attributes
         = positionElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::PositionRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name") { name = GenerateName(attValue); }  else
      if (attName=="unit") { unit = G4UnitDefinition::GetValueOf(attValue);
  if (G4UnitDefinition::GetCategory(attValue)!="Length") {
    G4Exception("G4GDMLReadDefine::PositionRead()", "InvalidRead",
          FatalException, "Invalid unit for length!");  }   
      } else
      if (attName=="x") { position.setX(eval.Evaluate(attValue)); } else
      if (attName=="y") { position.setY(eval.Evaluate(attValue)); } else
      if (attName=="z") { position.setZ(eval.Evaluate(attValue)); }
   }

   positionMap[name] = position*unit;
}

void
G4GDMLReadDefine::RotationRead(const xercesc::DOMElement* const rotationElement)
{
   G4String name = "";
   G4double unit = 1.0;
   G4ThreeVector rotation(0.,0.,0.);

   const xercesc::DOMNamedNodeMap* const attributes
         = rotationElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::RotationRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name") { name = GenerateName(attValue); }  else
      if (attName=="unit") { unit = G4UnitDefinition::GetValueOf(attValue);
  if (G4UnitDefinition::GetCategory(attValue)!="Angle") {
    G4Exception("G4GDMLReadDefine::RotationRead()", "InvalidRead",
          FatalException, "Invalid unit for angle!");  }
      } else
  if (attName=="x") { rotation.setX(eval.Evaluate(attValue)); } else
      if (attName=="y") { rotation.setY(eval.Evaluate(attValue)); } else
      if (attName=="z") { rotation.setZ(eval.Evaluate(attValue)); }
   }

   rotationMap[name] = rotation*unit;
}

void G4GDMLReadDefine::ScaleRead(const xercesc::DOMElement* const scaleElement)
{
   G4String name = "";
   G4ThreeVector scale(1.0,1.0,1.0);

   const xercesc::DOMNamedNodeMap* const attributes
         = scaleElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::ScaleRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name") { name = GenerateName(attValue); }    else
      if (attName=="x") { scale.setX(eval.Evaluate(attValue)); } else
      if (attName=="y") { scale.setY(eval.Evaluate(attValue)); } else
      if (attName=="z") { scale.setZ(eval.Evaluate(attValue)); }
   }

   scaleMap[name] = scale;
}

void
G4GDMLReadDefine::VariableRead(const xercesc::DOMElement* const variableElement)
{
   G4String name  = "";
   G4double value = 0.0;

   const xercesc::DOMNamedNodeMap* const attributes
         = variableElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::VariableRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name")  { name = attValue; } else
      if (attName=="value") { value = eval.Evaluate(attValue); }
   }

   eval.DefineVariable(name,value);
}

void G4GDMLReadDefine::QuantityRead(const xercesc::DOMElement* const element)
{
   G4String name = "";
   G4double unit = 1.0;
   G4double value = 0.0;

   const xercesc::DOMNamedNodeMap* const attributes
         = element->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* node = attributes->item(attribute_index);

      if (node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE) { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::QuantityRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="name") { name = attValue; } else
      if (attName=="value") { value = eval.Evaluate(attValue); } else
      if (attName=="unit") { unit = G4UnitDefinition::GetValueOf(attValue); }
   }

   quantityMap[name] = value*unit;
   eval.DefineConstant(name,value*unit);
}

void
G4GDMLReadDefine::DefineRead(const xercesc::DOMElement* const defineElement)
{
#ifdef G4VERBOSE
   G4cout << "G4GDML: Reading definitions..." << G4endl;
#endif
   for (xercesc::DOMNode* iter = defineElement->getFirstChild();
        iter != 0;iter = iter->getNextSibling())
   {
      if (iter->getNodeType() != xercesc::DOMNode::ELEMENT_NODE) { continue; }

      const xercesc::DOMElement* const child
            = dynamic_cast<xercesc::DOMElement*>(iter);
      if (!child)
      {
        G4Exception("G4GDMLRead::DefineRead()", "InvalidRead",
                    FatalException, "No child found!");
        return;
      }
      const G4String tag = Transcode(child->getTagName());

      if (tag=="constant") { ConstantRead(child); } else
      if (tag=="matrix")   { MatrixRead(child); }   else
      if (tag=="position") { PositionRead(child); } else
      if (tag=="rotation") { RotationRead(child); } else
      if (tag=="scale")    { ScaleRead(child); }    else
      if (tag=="variable") { VariableRead(child); } else
      if (tag=="quantity") { QuantityRead(child); } else
      if (tag=="expression") { ExpressionRead(child); }
      else
      {
        G4String error_msg = "Unknown tag in define: "+tag;
        G4Exception("G4GDMLReadDefine::defineRead()", "ReadError",
                    FatalException, error_msg);
      }
   }
}

void
G4GDMLReadDefine::VectorRead(const xercesc::DOMElement* const vectorElement,
                             G4ThreeVector& vec)
{
   G4double unit = 1.0;

   const xercesc::DOMNamedNodeMap* const attributes
         = vectorElement->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* attribute_node = attributes->item(attribute_index);

      if (attribute_node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE)
      { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(attribute_node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::VectorRead()", "InvalidRead",
                    FatalException, "No attribute found!");
        return;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="unit") { unit = G4UnitDefinition::GetValueOf(attValue); } else
      if (attName=="x") { vec.setX(eval.Evaluate(attValue)); } else
      if (attName=="y") { vec.setY(eval.Evaluate(attValue)); } else
      if (attName=="z") { vec.setZ(eval.Evaluate(attValue)); }
   }

   vec *= unit;
}

G4String G4GDMLReadDefine::RefRead(const xercesc::DOMElement* const element)
{
   G4String ref;

   const xercesc::DOMNamedNodeMap* const attributes = element->getAttributes();
   XMLSize_t attributeCount = attributes->getLength();

   for (XMLSize_t attribute_index=0;
        attribute_index<attributeCount; attribute_index++)
   {
      xercesc::DOMNode* attribute_node = attributes->item(attribute_index);

      if (attribute_node->getNodeType() != xercesc::DOMNode::ATTRIBUTE_NODE)
      { continue; }

      const xercesc::DOMAttr* const attribute
            = dynamic_cast<xercesc::DOMAttr*>(attribute_node);   
      if (!attribute)
      {
        G4Exception("G4GDMLRead::Read()", "InvalidRead",
                    FatalException, "No attribute found!");
        return ref;
      }
      const G4String attName = Transcode(attribute->getName());
      const G4String attValue = Transcode(attribute->getValue());

      if (attName=="ref") { ref = attValue; }
   }

   return ref;
}

G4bool G4GDMLReadDefine::IsValidID(const G4String& ref) const
{
   return eval.IsVariable(ref);
}

G4double G4GDMLReadDefine::GetConstant(const G4String& ref)
{
   return eval.GetConstant(ref);
}

G4double G4GDMLReadDefine::GetVariable(const G4String& ref)
{
   return eval.GetVariable(ref);
}

G4double G4GDMLReadDefine::GetQuantity(const G4String& ref)
{
   if (quantityMap.find(ref) == quantityMap.end())
   {
     G4String error_msg = "Quantity '"+ref+"' was not found!";
     G4Exception("G4GDMLReadDefine::getQuantity()", "ReadError",
                 FatalException, error_msg);
   }
   return quantityMap[ref];
}

G4ThreeVector G4GDMLReadDefine::GetPosition(const G4String& ref)
{
   if (positionMap.find(ref) == positionMap.end())
   {
     G4String error_msg = "Position '"+ref+"' was not found!";
     G4Exception("G4GDMLReadDefine::getPosition()", "ReadError",
                 FatalException, error_msg);
   }
   return positionMap[ref];
}

G4ThreeVector G4GDMLReadDefine::GetRotation(const G4String& ref)
{
   if (rotationMap.find(ref) == rotationMap.end())
   {
     G4String error_msg = "Rotation '"+ref+"' was not found!";
     G4Exception("G4GDMLReadDefine::getRotation()", "ReadError",
                 FatalException, error_msg);
   }
   return rotationMap[ref];
}

G4ThreeVector G4GDMLReadDefine::GetScale(const G4String& ref)
{
   if (scaleMap.find(ref) == scaleMap.end())
   {
     G4String error_msg = "Scale '"+ref+"' was not found!";
     G4Exception("G4GDMLReadDefine::getScale()", "ReadError",
                 FatalException, error_msg);
   }
   return scaleMap[ref];
}

G4GDMLMatrix G4GDMLReadDefine::GetMatrix(const G4String& ref)
{
   if (matrixMap.find(ref) == matrixMap.end())
   {
     G4String error_msg = "Matrix '"+ref+"' was not found!";
     G4Exception("G4GDMLReadDefine::getMatrix()", "ReadError",
                 FatalException, error_msg);
   }
   return matrixMap[ref];
}