コード例 #1
0
ファイル: cutSTL.cpp プロジェクト: phaedon/palabos-bubble
int main(int argc, char* argv[])
{
    plbInit(&argc, &argv);
    global::directories().setOutputDir("./");
    global::IOpolicy().activateParallelIO(false);

    if (argc != 9) {
        pcout << "Wrong parameters; the syntax is:" << std::endl
              << (std::string)global::argv(0)
              << "[FLT | DBL | LDBL | INF] inputSTL.stl cut-plane-point-x cut-plane-point-y cut-plane-point-z" << std::endl
              << "cut-plane-normal-x cut-plane-normal-y cut-plane-normal-z" << std::endl;
        exit(-1);
    }

    std::string precisionStr;
    std::string inStlFileName;
    Plane<T> cutPlane;
    try {
        global::argv(1).read(precisionStr);
        global::argv(2).read(inStlFileName);
        global::argv(3).read(cutPlane.point[0]);
        global::argv(4).read(cutPlane.point[1]);
        global::argv(5).read(cutPlane.point[2]);
        global::argv(6).read(cutPlane.normal[0]);
        global::argv(7).read(cutPlane.normal[1]);
        global::argv(8).read(cutPlane.normal[2]);
    }
    catch (PlbIOException& exception) {
        pcout << "Wrong parameters." << std::endl;
        exit(-1);
    }

    Precision precision;
    if (precisionStr == "FLT") {
        precision = FLT;
    } else if (precisionStr == "DBL") {
        precision = DBL;
    } else if (precisionStr == "LDBL") {
        precision = LDBL;
    } else if (precisionStr == "INF") {
        precision = INF;
    } else {
        pcout << "Wrong precision command-line argument." << std::endl;
        exit(-1);
    }

    TriangleSet<T>* set = 0;
    try {
        set = new TriangleSet<T>(inStlFileName, precision);
    }
    catch (PlbIOException& exception) {
        pcout << "ERROR, could not read STL file " << inStlFileName
              << ": " << exception.what() << std::endl;
        exit(-1);
    }

    // Cut the geometry in two parts.
    TriangleSet<T> normalNegativePart;
    int rv = 0;
    rv = set->cutWithPlane(cutPlane, normalNegativePart);
    if (rv != 1) {
        pcout << "Problem with the surface cutting." << std::endl;
        exit(1);
    }
    normalNegativePart.writeBinarySTL("normalNegativePart.stl");

    TriangleSet<T> normalPositivePart;
    cutPlane.normal = -cutPlane.normal;
    rv = 0;
    rv = set->cutWithPlane(cutPlane, normalPositivePart);
    if (rv != 1) {
        pcout << "Problem with the surface cutting." << std::endl;
        exit(1);
    }
    normalPositivePart.writeBinarySTL("normalPositivePart.stl");

    delete set;

    return 0;
}
コード例 #2
0
int main(int argc, char* argv[])
{
    plbInit(&argc, &argv);
    global::directories().setOutputDir("./");

    plint n = 80; // Resolution (cylinder diameter).
    T radius = (T) n / 2.; // Cylinder radius.
    Array<T,3> center(0.0, 0.0, 0.0); // Cylinder center.
    T length = (T) (4 * n); // Cylinder length.
    plint nAxial = n / 2; // Two parameters needed for the creation of the triangularized cylinder surface.
    plint nCirc  = 3 * n / 2;

    // Create a cylinder surface as a set of triangles.
    TriangleSet<T> cylinder;
    cylinder = constructCylinder<T>(center, radius, radius, length, nAxial, nCirc);
    cylinder.writeAsciiSTL("cylinder.stl");

    // Define the cut plane by a point and a normal vector.
    Array<T,3> cutPlanePoint(length / 3.3, 0.0, 0.0);
    Array<T,3> cutPlaneNormal(-1.0, -0.1, -0.5);

    Plane<T> cutPlane;
    cutPlane.point = cutPlanePoint;
    cutPlane.normal = cutPlaneNormal;

    // Cut the cylinder in two parts.
    TriangleSet<T> rightCylinderPart;
    int rv = 0;
    rv = cylinder.cutWithPlane(cutPlane, rightCylinderPart);
    if (rv != 1) {
        pcout << "Problem with the surface cutting." << std::endl;
        exit(1);
    }
    rightCylinderPart.writeAsciiSTL("rightCylinderPart.stl");

    TriangleSet<T> leftCylinderPart;
    cutPlane.normal = -cutPlane.normal;
    rv = 0;
    rv = cylinder.cutWithPlane(cutPlane, leftCylinderPart);
    if (rv != 1) {
        pcout << "Problem with the surface cutting." << std::endl;
        exit(1);
    }
    leftCylinderPart.writeAsciiSTL("leftCylinderPart.stl");

    // Use a cuboid to cut the cylinder (correct usage).
    Array<T,3> lowerLeftCorner = cutPlanePoint - Array<T,3>(length, 5.0 * radius / 4.0, 5.0 * radius / 4.0);
    Array<T,3> upperRightCorner = cutPlanePoint + Array<T,3>(length / 4.0, 5.0 * radius / 4.0, 5.0 * radius / 4.0);

    Cuboid<T> cutCuboid;
    cutCuboid.lowerLeftCorner = lowerLeftCorner;
    cutCuboid.upperRightCorner = upperRightCorner;

    TriangleSet<T> newRightCylinderPart;
    cutPlane.normal = -cutPlane.normal;
    rv = 0;
    rv = cylinder.cutWithPlane(cutPlane, cutCuboid, newRightCylinderPart);
    if (rv != 1) {
        pcout << "Problem with the surface cutting." << std::endl;
        exit(1);
    }
    newRightCylinderPart.writeAsciiSTL("newRightCylinderPart.stl");

    // Use a cuboid to cut the cylinder (wrong usage).
    upperRightCorner = cutPlanePoint + Array<T,3>(0.0, radius, radius);

    cutCuboid.upperRightCorner = upperRightCorner;

    TriangleSet<T> newBrokenRightCylinderPart;
    rv = 0;
    rv = cylinder.cutWithPlane(cutPlane, cutCuboid, newBrokenRightCylinderPart);
    if (rv != 1) {
        pcout << "Problem with the surface cutting." << std::endl;
        exit(1);
    }
    newBrokenRightCylinderPart.writeAsciiSTL("newBrokenRightCylinderPart.stl");

    return 0;
}