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C++ vector::size方法代码示例

本文整理汇总了C++中sofa::helper::vector::size方法的典型用法代码示例。如果您正苦于以下问题:C++ vector::size方法的具体用法?C++ vector::size怎么用?C++ vector::size使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在sofa::helper::vector的用法示例。


在下文中一共展示了vector::size方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: removeQuadsProcess

void QuadSetTopologyModifier::removeQuadsProcess(const sofa::helper::vector<unsigned int> &indices,
        const bool removeIsolatedEdges,
        const bool removeIsolatedPoints)
{
    if(!m_container->hasQuads()) // this method should only be called when quads exist
    {
#ifndef NDEBUG
        sout << "Error. [QuadSetTopologyModifier::removeQuadsProcess] quad array is empty." << sendl;
#endif
        return;
    }

    if(m_container->hasEdges() && removeIsolatedEdges)
    {
        if(!m_container->hasEdgesInQuad())
            m_container->createEdgesInQuadArray();

        if(!m_container->hasQuadsAroundEdge())
            m_container->createQuadsAroundEdgeArray();
    }

    if(removeIsolatedPoints)
    {
        if(!m_container->hasQuadsAroundVertex())
            m_container->createQuadsAroundVertexArray();
    }

    sofa::helper::vector<unsigned int> edgeToBeRemoved;
    sofa::helper::vector<unsigned int> vertexToBeRemoved;
    helper::WriteAccessor< Data< sofa::helper::vector<Quad> > > m_quad = m_container->d_quad;

    unsigned int lastQuad = m_container->getNumberOfQuads() - 1;
    for(unsigned int i=0; i<indices.size(); ++i, --lastQuad)
    {
        const Quad &t = m_quad[ indices[i] ];
        const Quad &q = m_quad[ lastQuad ];

        // first check that the quad vertex shell array has been initialized
        if(m_container->hasQuadsAroundVertex())
        {
            for(unsigned int v=0; v<4; ++v)
            {
                sofa::helper::vector< unsigned int > &shell = m_container->m_quadsAroundVertex[ t[v] ];
                shell.erase(remove(shell.begin(), shell.end(), indices[i]), shell.end());
                if(removeIsolatedPoints && shell.empty())
                    vertexToBeRemoved.push_back(t[v]);
            }
        }

        if(m_container->hasQuadsAroundEdge())
        {
            for(unsigned int e=0; e<4; ++e)
            {
                sofa::helper::vector< unsigned int > &shell = m_container->m_quadsAroundEdge[ m_container->m_edgesInQuad[indices[i]][e]];
                shell.erase(remove(shell.begin(), shell.end(), indices[i]), shell.end());
                if(removeIsolatedEdges && shell.empty())
                    edgeToBeRemoved.push_back(m_container->m_edgesInQuad[indices[i]][e]);
            }
        }

        if(indices[i] < lastQuad)
        {
            // now updates the shell information of the quad at the end of the array
            if(m_container->hasQuadsAroundVertex())
            {
                for(unsigned int v=0; v<4; ++v)
                {
                    sofa::helper::vector< unsigned int > &shell = m_container->m_quadsAroundVertex[ q[v] ];
                    replace(shell.begin(), shell.end(), lastQuad, indices[i]);
                }
            }

            if(m_container->hasQuadsAroundEdge())
            {
                for(unsigned int e=0; e<4; ++e)
                {
                    sofa::helper::vector< unsigned int > &shell =  m_container->m_quadsAroundEdge[ m_container->m_edgesInQuad[lastQuad][e]];
                    replace(shell.begin(), shell.end(), lastQuad, indices[i]);
                }
            }
        }

        // removes the edgesInQuads from the edgesInQuadsArray
        if(m_container->hasEdgesInQuad())
        {
            m_container->m_edgesInQuad[ indices[i] ] = m_container->m_edgesInQuad[ lastQuad ]; // overwriting with last valid value.
            m_container->m_edgesInQuad.resize( lastQuad ); // resizing to erase multiple occurence of the quad.
        }

        // removes the quad from the quadArray
        m_quad[ indices[i] ] = m_quad[ lastQuad ]; // overwriting with last valid value.
        m_quad.resize( lastQuad ); // resizing to erase multiple occurence of the quad.
    }

    if(!edgeToBeRemoved.empty())
    {
        /// warn that edges will be deleted
        removeEdgesWarning(edgeToBeRemoved);
        propagateTopologicalChanges();
        /// actually remove edges without looking for isolated vertices
//.........这里部分代码省略.........
开发者ID:FabienPean,项目名称:sofa,代码行数:101,代码来源:QuadSetTopologyModifier.cpp


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