Node.cpp

/*

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 * Redistributions of source code must retain the above copyright notice,
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 * Redistributions in binary form must reproduce the above copyright notice,
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   contributors may be used to endorse or promote products derived from this
   software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#include <cassert>

#include "Node.hpp"
#include "Exception.hpp"

// Constructors

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::CommonConstructor(unsigned index, bool isBoundaryNode)
{
    mIndex = index;
    mIsBoundaryNode = isBoundaryNode;
    mIsInternal = false;
    mIsDeleted = false;
    mpNodeAttributes = NULL;
}

template<unsigned SPACE_DIM>
Node<SPACE_DIM>::Node(unsigned index, ChastePoint<SPACE_DIM> point, bool isBoundaryNode)
{
    mLocation = point.rGetLocation();
    CommonConstructor(index, isBoundaryNode);
}

template<unsigned SPACE_DIM>
Node<SPACE_DIM>::Node(unsigned index, std::vector<double> coords, bool isBoundaryNode)
{
    for (unsigned i=0; i<SPACE_DIM; i++)
    {
        mLocation(i) = coords.at(i);
    }
    CommonConstructor(index, isBoundaryNode);
}

template<unsigned SPACE_DIM>
Node<SPACE_DIM>::Node(unsigned index, c_vector<double, SPACE_DIM> location, bool isBoundaryNode)
{
    mLocation = location;
    CommonConstructor(index, isBoundaryNode);
}

template<unsigned SPACE_DIM>
Node<SPACE_DIM>::Node(unsigned index, bool isBoundaryNode, double v1, double v2, double v3)
{
    mLocation[0] = v1;
    if (SPACE_DIM > 1)
    {
        mLocation[1] = v2;
        if (SPACE_DIM > 2)
        {
            mLocation[2] = v3;
        }
    }
    CommonConstructor(index, isBoundaryNode);
}

template<unsigned SPACE_DIM>
Node<SPACE_DIM>::Node(unsigned index, double *location, bool isBoundaryNode)
{
    for (unsigned i=0; i<SPACE_DIM; i++)
    {
        mLocation(i) = location[i];
    }
    CommonConstructor(index, isBoundaryNode);
}

template<unsigned SPACE_DIM>
Node<SPACE_DIM>::~Node()
{
    delete mpNodeAttributes;
}

// Methods dealing with node location

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::SetPoint(ChastePoint<SPACE_DIM> point)
{
    mLocation = point.rGetLocation();
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::SetIndex(unsigned index)
{
    mIndex = index;
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::SetAsBoundaryNode(bool value)
{
    mIsBoundaryNode = value;
}


template<unsigned SPACE_DIM>
ChastePoint<SPACE_DIM> Node<SPACE_DIM>::GetPoint() const
{
    return ChastePoint<SPACE_DIM>(mLocation);
}

template<unsigned SPACE_DIM>
const c_vector<double, SPACE_DIM>& Node<SPACE_DIM>::rGetLocation() const
{
    // This assert statement is a useful warning: when new nodes are created we overwrite previously deleted nodes if there are any.
    // This means that we can not use this method to interrogate deleted nodes about their position before deletion because we can't
    // guarantee that the node has not been overwritten already. Hence, when implementing new functionality we need to make sure
    // that this functionality does not rely on being able to interrogate deleted nodes for their location.
    // \todo #2401: make this an exception.
    assert(!mIsDeleted);
    return mLocation;
}

template<unsigned SPACE_DIM>
c_vector<double, SPACE_DIM>& Node<SPACE_DIM>::rGetModifiableLocation()
{
    assert(!mIsDeleted);
    return mLocation;
}

template<unsigned SPACE_DIM>
unsigned Node<SPACE_DIM>::GetIndex() const
{
    return mIndex;
}

template<unsigned SPACE_DIM>
bool Node<SPACE_DIM>::IsBoundaryNode() const
{
    return mIsBoundaryNode;
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::AddNodeAttribute(double attribute)
{
    ConstructNodeAttributes();

    mpNodeAttributes->AddAttribute(attribute);
}

template<unsigned SPACE_DIM>
std::vector<double>& Node<SPACE_DIM>::rGetNodeAttributes()
{
    CheckForNodeAttributes();

    return mpNodeAttributes->rGetAttributes();
}

template<unsigned SPACE_DIM>
unsigned Node<SPACE_DIM>::GetNumNodeAttributes()
{
    unsigned num_attributes;
    if (!mpNodeAttributes)
    {
        num_attributes = 0u;
    }
    else
    {
        num_attributes = mpNodeAttributes->rGetAttributes().size();
    }

    return num_attributes;
}

template<unsigned SPACE_DIM>
bool Node<SPACE_DIM>::HasNodeAttributes()
{
    return (mpNodeAttributes != NULL);
}

template<unsigned SPACE_DIM>
c_vector<double, SPACE_DIM>& Node<SPACE_DIM>::rGetAppliedForce()
{
    CheckForNodeAttributes();

    return mpNodeAttributes->rGetAppliedForce();
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::ClearAppliedForce()
{
    ConstructNodeAttributes();

    mpNodeAttributes->ClearAppliedForce();
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::AddAppliedForceContribution(c_vector<double, SPACE_DIM>& forceContribution)
{
    ConstructNodeAttributes();

    mpNodeAttributes->AddAppliedForceContribution(forceContribution);
}

template<unsigned SPACE_DIM>
bool Node<SPACE_DIM>::IsParticle()
{
    CheckForNodeAttributes();

    return mpNodeAttributes->IsParticle();
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::SetIsParticle(bool isParticle)
{
    ConstructNodeAttributes();

    mpNodeAttributes->SetIsParticle(isParticle);
}

template<unsigned SPACE_DIM>
double Node<SPACE_DIM>::GetRadius()
{
    CheckForNodeAttributes();

    return mpNodeAttributes->GetRadius();
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::SetRadius(double radius)
{
    ConstructNodeAttributes();

    mpNodeAttributes->SetRadius(radius);
}

// Tracking (boundary) elements which contain this node as a vertex

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::AddElement(unsigned index)
{
    mElementIndices.insert(index);
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::RemoveElement(unsigned index)
{
    unsigned count = mElementIndices.erase(index);
    if (count == 0)
    {
        EXCEPTION("Tried to remove an index which was not in the set");
    }
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::RemoveBoundaryElement(unsigned index)
{
    unsigned count = mBoundaryElementIndices.erase(index);
    if (count == 0)
    {
        EXCEPTION("Tried to remove an index which was not in the set");
    }
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::AddBoundaryElement(unsigned index)
{
    mBoundaryElementIndices.insert(index);
}

template<unsigned SPACE_DIM>
std::set<unsigned>& Node<SPACE_DIM>::rGetContainingElementIndices()
{
    return mElementIndices;
}

template<unsigned SPACE_DIM>
std::set<unsigned>& Node<SPACE_DIM>::rGetContainingBoundaryElementIndices()
{
    return mBoundaryElementIndices;
}

template<unsigned SPACE_DIM>
unsigned Node<SPACE_DIM>::GetNumContainingElements() const
{
    return mElementIndices.size();
}

template<unsigned SPACE_DIM>
unsigned Node<SPACE_DIM>::GetNumBoundaryElements() const
{
    return mBoundaryElementIndices.size();
}

// Methods dealing with some node flags (deleted, region)

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::CheckForNodeAttributes() const
{
    if (mpNodeAttributes == NULL)
    {
        EXCEPTION("Node has no attributes associated with it. Construct attributes first");
    }
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::ConstructNodeAttributes()
{
    if (mpNodeAttributes == NULL)
    {
        mpNodeAttributes = new NodeAttributes<SPACE_DIM>();
    }
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::MarkAsDeleted()
{
    mIsDeleted = true;
}

template<unsigned SPACE_DIM>
bool Node<SPACE_DIM>::IsDeleted() const
{
    return mIsDeleted;
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::MarkAsInternal()
{
    mIsInternal = true;
}

template<unsigned SPACE_DIM>
bool Node<SPACE_DIM>::IsInternal() const
{
    return mIsInternal;
}

template<unsigned SPACE_DIM>
void Node<SPACE_DIM>::SetRegion(unsigned region)
{
    ConstructNodeAttributes();
    mpNodeAttributes->SetRegion(region);
}

template<unsigned SPACE_DIM>
unsigned Node<SPACE_DIM>::GetRegion() const
{
    unsigned region = 0;

    if (mpNodeAttributes)
    {
        region = mpNodeAttributes->GetRegion();
    }

    return region;
}


// Explicit instantiation

template class Node<1>;
template class Node<2>;
template class Node<3>;