XdmfRegularGrid.cpp 12 KB
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/*****************************************************************************/
/*                                    XDMF                                   */
/*                       eXtensible Data Model and Format                    */
/*                                                                           */
/*  Id : XdmfRegularGrid.cpp                                                 */
/*                                                                           */
/*  Author:                                                                  */
/*     Kenneth Leiter                                                        */
/*     kenneth.leiter@arl.army.mil                                           */
/*     US Army Research Laboratory                                           */
/*     Aberdeen Proving Ground, MD                                           */
/*                                                                           */
/*     Copyright @ 2011 US Army Research Laboratory                          */
/*     All Rights Reserved                                                   */
/*     See Copyright.txt for details                                         */
/*                                                                           */
/*     This software is distributed WITHOUT ANY WARRANTY; without            */
/*     even the implied warranty of MERCHANTABILITY or FITNESS               */
/*     FOR A PARTICULAR PURPOSE.  See the above copyright notice             */
/*     for more information.                                                 */
/*                                                                           */
/*****************************************************************************/
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#include <cmath>
#include "XdmfArray.hpp"
#include "XdmfGeometry.hpp"
#include "XdmfGeometryType.hpp"
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#include "XdmfRegularGrid.hpp"
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#include "XdmfTopology.hpp"
#include "XdmfTopologyType.hpp"
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#include "XdmfError.hpp"
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/**
 * PIMPL
 */
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class XdmfRegularGrid::XdmfRegularGridImpl {
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public:

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  class XdmfGeometryRegular : public XdmfGeometry
  {

  public:

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    static shared_ptr<XdmfGeometryRegular>
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    New(XdmfRegularGrid * const regularGrid)
    {
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      shared_ptr<XdmfGeometryRegular> p(new XdmfGeometryRegular(regularGrid));
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      return p;
    }

    unsigned int
    getNumberPoints() const
    {
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      const shared_ptr<const XdmfArray> dimensions = 
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        mRegularGrid->getDimensions();
      if(dimensions->getSize() == 0) {
        return 0;
      }
      unsigned int toReturn = 1;
      for(unsigned int i=0; i<dimensions->getSize(); ++i) {
        toReturn *= dimensions->getValue<unsigned int>(i);
      }
      return toReturn;
    }

    void
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    traverse(const shared_ptr<XdmfBaseVisitor> visitor)
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    {
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      shared_ptr<XdmfArray> origin = mRegularGrid->getOrigin();
      shared_ptr<XdmfArray> brickSize = mRegularGrid->getBrickSize();
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      origin->accept(visitor);
      brickSize->accept(visitor);
    }

  private:

    XdmfGeometryRegular(XdmfRegularGrid * const regularGrid) :
      mRegularGrid(regularGrid)
    {
      this->setType(XdmfGeometryTypeRegular::New(mRegularGrid));
    }

    XdmfRegularGrid * const mRegularGrid;
  };

  class XdmfGeometryTypeRegular : public XdmfGeometryType
  {

  public:

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    static shared_ptr<const XdmfGeometryTypeRegular>
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    New(const XdmfRegularGrid * const regularGrid)
    {
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      shared_ptr<const XdmfGeometryTypeRegular> 
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        p(new XdmfGeometryTypeRegular(regularGrid));
      return p;
    }

    unsigned int
    getDimensions() const
    {
      return mRegularGrid->getDimensions()->getSize();
    }

    void
    getProperties(std::map<std::string, std::string> & collectedProperties) const
    {
      const unsigned int dimensions = this->getDimensions();
      if(dimensions == 3) {
        collectedProperties["Type"] = "ORIGIN_DXDYDZ";
      }
      else if(dimensions == 2) {
        collectedProperties["Type"] = "ORIGIN_DXDY";
      }
      else {
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        XdmfError::message(XdmfError::FATAL, "Dimensions not 2 or 3 in XdmfGeometryTypeRegular::getProperties");
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      }
    }

  private:

    XdmfGeometryTypeRegular(const XdmfRegularGrid * const regularGrid) :
      XdmfGeometryType("", 0),
      mRegularGrid(regularGrid)
    {
    }

    const XdmfRegularGrid * const mRegularGrid;

  };

  class XdmfTopologyRegular : public XdmfTopology
  {

  public:

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    static shared_ptr<XdmfTopologyRegular>
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    New(const XdmfRegularGrid * const regularGrid)
    {
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      shared_ptr<XdmfTopologyRegular> p(new XdmfTopologyRegular(regularGrid));
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      return p;
    }

    unsigned int
    getNumberElements() const
    {
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      const shared_ptr<const XdmfArray> dimensions = 
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        mRegularGrid->getDimensions();
      if(dimensions->getSize() == 0) {
        return 0;
      }
      unsigned int toReturn = 1;
      for(unsigned int i=0; i<dimensions->getSize(); ++i) {
        toReturn *= (dimensions->getValue<unsigned int>(i) - 1);
      }
      return toReturn;
    }

  private:

    XdmfTopologyRegular(const XdmfRegularGrid * const regularGrid) :
      mRegularGrid(regularGrid)
    {
      this->setType(XdmfTopologyTypeRegular::New(regularGrid));
    }

    const XdmfRegularGrid * const mRegularGrid;
  };

  class XdmfTopologyTypeRegular : public XdmfTopologyType
  {

  public:

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    static shared_ptr<const XdmfTopologyTypeRegular>
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    New(const XdmfRegularGrid * const regularGrid)
    {
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      shared_ptr<const XdmfTopologyTypeRegular>
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        p(new XdmfTopologyTypeRegular(regularGrid));
      return p;
    }

    unsigned int
    getNodesPerElement() const
    {
      // 2^Dimensions
      // e.g. 1D = 2 nodes per element and 2D = 4 nodes per element.
      return (unsigned int)
        std::pow(2, (double)mRegularGrid->getDimensions()->getSize());
    }

    void
    getProperties(std::map<std::string, std::string> & collectedProperties) const
    {
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      shared_ptr<const XdmfArray> dimensions = mRegularGrid->getDimensions();
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      if(dimensions->getSize() == 3){
        collectedProperties["Type"] = "3DCoRectMesh";
      }
      else if(dimensions->getSize() == 2) {
        collectedProperties["Type"] = "2DCoRectMesh";
      }
      else {
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        XdmfError::message(XdmfError::FATAL, 
                           "Dimensions not 2 or 3 in "
                           "XdmfTopologyTypeRegular::getProperties");
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      }
      collectedProperties["Dimensions"] = dimensions->getValuesString();
    }

  private:

    XdmfTopologyTypeRegular(const XdmfRegularGrid * const regularGrid) :
      XdmfTopologyType(0, "foo", XdmfTopologyType::Structured, 0x1102),
      mRegularGrid(regularGrid)
    {
    }

    const XdmfRegularGrid * const mRegularGrid;

  };

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  XdmfRegularGridImpl(const shared_ptr<XdmfArray> brickSize,
                      const shared_ptr<XdmfArray> numPoints,
                      const shared_ptr<XdmfArray> origin) :
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    mBrickSize(brickSize),
    mDimensions(numPoints),
    mOrigin(origin)
  {
  }

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  shared_ptr<XdmfArray> mBrickSize;
  shared_ptr<XdmfArray> mDimensions;
  shared_ptr<XdmfArray> mOrigin;
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};

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shared_ptr<XdmfRegularGrid>
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XdmfRegularGrid::New(const double xBrickSize,
                     const double yBrickSize,
                     const unsigned int xNumPoints,
                     const unsigned int yNumPoints,
                     const double xOrigin,
                     const double yOrigin)
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{
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  shared_ptr<XdmfArray> brickSize = XdmfArray::New();
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  brickSize->resize<double>(2);
  brickSize->insert(0, xBrickSize);
  brickSize->insert(1, yBrickSize);
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  shared_ptr<XdmfArray> numPoints = XdmfArray::New();
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  numPoints->resize<unsigned int>(2);
  numPoints->insert(0, xNumPoints);
  numPoints->insert(1, yNumPoints);
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  shared_ptr<XdmfArray> origin = XdmfArray::New();
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  origin->resize<double>(2);
  origin->insert(0, xOrigin);
  origin->insert(1, yOrigin);
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  shared_ptr<XdmfRegularGrid> p(new XdmfRegularGrid(brickSize,
                                                    numPoints,
                                                    origin));
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  return p;
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}

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shared_ptr<XdmfRegularGrid>
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XdmfRegularGrid::New(const double xBrickSize,
                     const double yBrickSize,
                     const double zBrickSize,
                     const unsigned int xNumPoints,
                     const unsigned int yNumPoints,
                     const unsigned int zNumPoints,
                     const double xOrigin,
                     const double yOrigin,
                     const double zOrigin)
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{
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  shared_ptr<XdmfArray> brickSize = XdmfArray::New();
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  brickSize->resize<double>(3);
  brickSize->insert(0, xBrickSize);
  brickSize->insert(1, yBrickSize);
  brickSize->insert(2, zBrickSize);
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  shared_ptr<XdmfArray> numPoints = XdmfArray::New();
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  numPoints->resize<unsigned int>(3);
  numPoints->insert(0, xNumPoints);
  numPoints->insert(1, yNumPoints);
  numPoints->insert(2, zNumPoints);
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  shared_ptr<XdmfArray> origin = XdmfArray::New();
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  origin->resize<double>(3);
  origin->insert(0, xOrigin);
  origin->insert(1, yOrigin);
  origin->insert(2, zOrigin);
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  shared_ptr<XdmfRegularGrid> p(new XdmfRegularGrid(brickSize,
                                                    numPoints,
                                                    origin));
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  return p;
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}

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shared_ptr<XdmfRegularGrid>
XdmfRegularGrid::New(const shared_ptr<XdmfArray> brickSize,
                     const shared_ptr<XdmfArray> numPoints,
                     const shared_ptr<XdmfArray> origin)
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{
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  shared_ptr<XdmfRegularGrid> p(new XdmfRegularGrid(brickSize,
                                                    numPoints,
                                                    origin));
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  return p;
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}

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XdmfRegularGrid::XdmfRegularGrid(const shared_ptr<XdmfArray> brickSize,
                                 const shared_ptr<XdmfArray> numPoints,
                                 const shared_ptr<XdmfArray> origin) :
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  XdmfGrid(XdmfRegularGridImpl::XdmfGeometryRegular::New(this),
           XdmfRegularGridImpl::XdmfTopologyRegular::New(this)),
  mImpl(new XdmfRegularGridImpl(brickSize, numPoints, origin))
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{
}

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XdmfRegularGrid::~XdmfRegularGrid()
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{
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  delete mImpl;
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}

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const std::string XdmfRegularGrid::ItemTag = "Grid";
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shared_ptr<XdmfArray>
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XdmfRegularGrid::getBrickSize()
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{
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  return boost::const_pointer_cast<XdmfArray>
    (static_cast<const XdmfRegularGrid &>(*this).getBrickSize());
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}

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shared_ptr<const XdmfArray>
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XdmfRegularGrid::getBrickSize() const
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{
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  return mImpl->mBrickSize;
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}

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shared_ptr<XdmfArray>
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XdmfRegularGrid::getDimensions()
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{
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  return boost::const_pointer_cast<XdmfArray>
    (static_cast<const XdmfRegularGrid &>(*this).getDimensions());
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}

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shared_ptr<const XdmfArray>
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XdmfRegularGrid::getDimensions() const
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{
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  return mImpl->mDimensions;
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}

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shared_ptr<XdmfArray>
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XdmfRegularGrid::getOrigin()
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{
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  return boost::const_pointer_cast<XdmfArray>
    (static_cast<const XdmfRegularGrid &>(*this).getOrigin());
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}

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shared_ptr<const XdmfArray>
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XdmfRegularGrid::getOrigin() const
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{
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  return mImpl->mOrigin;
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}

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void
XdmfRegularGrid::populateItem(const std::map<std::string, std::string> & itemProperties,
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                              std::vector<shared_ptr<XdmfItem> > & childItems,
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                              const XdmfCoreReader * const reader)
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{
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  XdmfGrid::populateItem(itemProperties, childItems, reader);

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  for(std::vector<shared_ptr<XdmfItem> >::const_iterator iter =
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        childItems.begin();
      iter != childItems.end();
      ++iter) {
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    if(shared_ptr<XdmfRegularGrid> regularGrid =
       shared_dynamic_cast<XdmfRegularGrid>(*iter)) {
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      if(regularGrid->getBrickSize()) {
        mImpl->mBrickSize = regularGrid->getBrickSize();
      }

      if(regularGrid->getDimensions()) {
        mImpl->mDimensions = regularGrid->getDimensions();
      }

      if(regularGrid->getOrigin()) {
        mImpl->mOrigin = regularGrid->getOrigin();
      }
    }
  }
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}

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void
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XdmfRegularGrid::setBrickSize(const shared_ptr<XdmfArray> brickSize)
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{
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  mImpl->mBrickSize = brickSize;
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}

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void
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XdmfRegularGrid::setDimensions(const shared_ptr<XdmfArray> dimensions)
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{
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  mImpl->mDimensions = dimensions;
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}

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void
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XdmfRegularGrid::setOrigin(const shared_ptr<XdmfArray> origin)
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{
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  mImpl->mOrigin = origin;
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}