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C++ triSurface::nPoints方法代码示例

本文整理汇总了C++中triSurface::nPoints方法的典型用法代码示例。如果您正苦于以下问题:C++ triSurface::nPoints方法的具体用法?C++ triSurface::nPoints怎么用?C++ triSurface::nPoints使用的例子?那么恭喜您, 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triSurface的用法示例。


在下文中一共展示了triSurface::nPoints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: collapseEdge

// Collapses small edge to point, thus removing triangle.
label collapseEdge(triSurface& surf, const scalar minLen)
{
    label nTotalCollapsed = 0;

    while (true)
    {
        const pointField& localPoints = surf.localPoints();
        const List<labelledTri>& localFaces = surf.localFaces();


        // Mapping from old to new points
        labelList pointMap(surf.nPoints());
        forAll(pointMap, i)
        {
            pointMap[i] = i;
        }

        // Storage for new points.
        pointField newPoints(localPoints);

        // To protect neighbours of collapsed faces.
        boolList okToCollapse(surf.size(), true);
        label nCollapsed = 0;

        forAll(localFaces, faceI)
        {
            if (okToCollapse[faceI])
            {
                // Check edge lengths.
                const triSurface::FaceType& f = localFaces[faceI];

                forAll(f, fp)
                {
                    label v = f[fp];
                    label v1 = f[f.fcIndex(fp)];

                    if (mag(localPoints[v1] - localPoints[v]) < minLen)
                    {
                        // Collapse f[fp1] onto f[fp].
                        pointMap[v1] = v;
                        newPoints[v] = 0.5*(localPoints[v1] + localPoints[v]);

                        Pout<< "Collapsing triange " << faceI << " to edge mid "
                            << newPoints[v] << endl;

                        nCollapsed++;
                        okToCollapse[faceI] = false;

                        // Protect point neighbours from collapsing.
                        markPointNbrs(surf, faceI, false, okToCollapse);

                        break;
                    }
                }
            }
        }

        Pout<< "collapseEdge : collapsing " << nCollapsed << " triangles"
            << endl;

        nTotalCollapsed += nCollapsed;

        if (nCollapsed == 0)
        {
            break;
        }

        // Pack the triangles
        surf = pack(surf, newPoints, pointMap);
    }
开发者ID:AmaneShino,项目名称:OpenFOAM-2.0.x,代码行数:71,代码来源:collapseEdge.C


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