Commit 7ef42f5c authored by Timo Koch's avatar Timo Koch
Browse files

[test][0d3d][intersection] Write test in terms of a translation

parent 53c7d3e9
......@@ -2,94 +2,139 @@
#include <iostream>
#include <algorithm>
#include <functional>
#include <dune/common/exceptions.hh>
#include <dune/common/parallel/mpihelper.hh>
#include <dune/common/fvector.hh>
#include <dune/geometry/type.hh>
#include <dune/geometry/multilineargeometry.hh>
#include <dumux/common/math.hh>
#include <dumux/common/geometry/intersectspointgeometry.hh>
#ifndef DOXYGEN
template<int dimworld = 3, class Geometry>
template<class Geometry>
bool testIntersection(const Geometry& geo,
const Dune::FieldVector<double, dimworld>& p,
bool foundExpected = false)
const typename Geometry::GlobalCoordinate& p,
bool foundExpected)
{
bool found = Dumux::intersectsPointGeometry(p, geo);
if (!found && foundExpected)
std::cerr << "Failed detecting intersection with " << p << std::endl;
std::cerr << " Failed detecting intersection with " << p << std::endl;
else if (found && foundExpected)
std::cout << "Found intersection with " << p << std::endl;
std::cout << " Found intersection with " << p << std::endl;
else if (found && !foundExpected)
std::cerr << "Found false positive: intersection with " << p << std::endl;
std::cerr << " Found false positive: intersection with " << p << std::endl;
else if (!found && !foundExpected)
std::cout << "No intersection with " << p << std::endl;
std::cout << " No intersection with " << p << std::endl;
return (found == foundExpected);
}
template<class ctype, class Transformation>
void runTest(std::vector<bool>& returns, const Transformation& transform)
{
using Geo = Dune::MultiLinearGeometry<ctype, 3, 3>;
using Points = std::vector<typename Geo::GlobalCoordinate>;
// test tetrahedron-point intersections
std::cout << "\n -- Test tetrahedron-point intersections" << std::endl;
auto cornersTet = Points({{0.0, 0.0, 0.0}, {1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {0.0, 0.0, 1.0}});
std::transform(cornersTet.begin(), cornersTet.end(), cornersTet.begin(),
[&transform](const auto& p) { return transform(p); });
const auto tetrahedron = Geo(Dune::GeometryTypes::tetrahedron, cornersTet);
for (const auto& corner : cornersTet)
returns.push_back(testIntersection(tetrahedron, corner, true));
returns.push_back(testIntersection(tetrahedron, transform({0.0, 0.0, 0.5}), true));
returns.push_back(testIntersection(tetrahedron, transform({0.25, 0.25, 0.5}), true));
returns.push_back(testIntersection(tetrahedron, transform({0.5, 0.5, 0.5}), false));
returns.push_back(testIntersection(tetrahedron, transform({1.01, 0.0, 0.0}), false));
returns.push_back(testIntersection(tetrahedron, transform({0.5, 0.0, 0.51}), false));
// test hexahedron-point intersections
std::cout << "\n -- Test hexahedron-point intersections" << std::endl;
auto cornersHex = Points({{0.0, 0.0, 0.0}, {1.0, 0.0, 0.0}, {0.0, 1.0, 0.0}, {1.0, 1.0, 0.0},
{0.0, 0.0, 1.0}, {1.0, 0.0, 1.0}, {0.0, 1.0, 1.0}, {1.0, 1.0, 1.0}});
std::transform(cornersHex.begin(), cornersHex.end(), cornersHex.begin(),
[&transform](const auto& p) { return transform(p); });
auto hexahedron = Geo(Dune::GeometryTypes::hexahedron, cornersHex);
for (const auto& corner : cornersHex)
returns.push_back(testIntersection(hexahedron, corner, true));
// test pyramid-point intersections
std::cout << "\n -- Test pyramid-point intersections" << std::endl;
auto cornersPyramid = Points({{0.0, 0.0, 0.0}, {1.0, 0.0, 0.0}, {0.0, 1.0, 0.0},
{1.0, 1.0, 0.0}, {0.5, 0.5, 1.0}});
std::transform(cornersPyramid.begin(), cornersPyramid.end(), cornersPyramid.begin(),
[&transform](const auto& p) { return transform(p); });
auto pyramid = Geo(Dune::GeometryTypes::pyramid, cornersPyramid);
for (const auto& corner : cornersPyramid)
returns.push_back(testIntersection(pyramid, corner, true));
// test prism-point intersections
std::cout << "\n -- Test prism-point intersections" << std::endl;
auto cornersPrism = Points({{0.0, 0.0, 0.0}, {1.0, 0.0, 0.0}, {0.0, 1.0, 0.0},
{0.0, 0.0, 1.0}, {1.0, 0.0, 1.0}, {0.0, 1.0, 1.0}});
std::transform(cornersPrism.begin(), cornersPrism.end(), cornersPrism.begin(),
[&transform](const auto& p) { return transform(p); });
auto prism = Geo(Dune::GeometryTypes::prism, cornersPrism);
for (const auto& corner : cornersPrism)
returns.push_back(testIntersection(prism, corner, true));
}
template<class ctype>
auto createTransformation(const ctype scale,
const Dune::FieldVector<ctype, 3>& translate,
const Dune::FieldVector<ctype, 3>& rotationAxis,
const ctype rotationAngle)
{
std::cout << "\n\n Created transformation with"
<< " scaling: " << scale
<< ", translation: " << translate
<< ", rotationAxis: " << rotationAxis
<< ", rotationAngle: " << rotationAngle << std::endl;
const ctype sinAngle = std::sin(rotationAngle);
const ctype cosAngle = std::cos(rotationAngle);
return [=](Dune::FieldVector<ctype, 3> p){
p *= scale;
p += translate;
auto tp = p;
tp *= cosAngle;
tp.axpy(sinAngle, Dumux::crossProduct(rotationAxis, p));
return tp.axpy((1.0-cosAngle)*(rotationAxis*p), rotationAxis);
};
}
#endif
int main (int argc, char *argv[]) try
{
// maybe initialize mpi
Dune::MPIHelper::instance(argc, argv);
constexpr int dimworld = 3;
// collect returns to determine exit code
std::vector<bool> returns;
for (auto scaling : {1.0, 1e3, 1e12, 1e-12})
for (const double scaling : {1.0, 1e3, 1e12, 1e-12})
{
std::cout << "Test with scaling " << scaling << std::endl;
using Points = std::vector<Dune::FieldVector<double, dimworld>>;
using Geo = Dune::MultiLinearGeometry<double, 3, dimworld>;
// test tetrahedron-point intersections
std::cout << "test tetrahedron-point intersections" << std::endl;
auto cornersTetrahedron = Points({{0.0, 0.0, 0.0}, {1.0*scaling, 0.0, 0.0}, {0.0, 1.0*scaling, 0.0}, {0.0, 0.0, 1.0*scaling}});
auto tetrahedron = Geo(Dune::GeometryTypes::tetrahedron, cornersTetrahedron);
returns.push_back(testIntersection(tetrahedron, {0.0, 0.0, 0.0}, true));
returns.push_back(testIntersection(tetrahedron, {0.0, 0.0, 0.5*scaling}, true));
returns.push_back(testIntersection(tetrahedron, {0.25*scaling, 0.25*scaling, 0.5*scaling}, true));
returns.push_back(testIntersection(tetrahedron, {0.5*scaling, 0.5*scaling, 0.5*scaling}));
returns.push_back(testIntersection(tetrahedron, {1.01*scaling, 0.0, 0.0}));
returns.push_back(testIntersection(tetrahedron, {0.5*scaling, 0.0, 0.51*scaling}));
// test hexahedron-point intersections
std::cout << "test hexahedron-point intersections" << std::endl;
auto cornersHexahedron = Points({{0.0, 0.0, 0.0}, {1.0*scaling, 0.0, 0.0}, {0.0, 1.0*scaling, 0.0}, {1.0*scaling, 1.0*scaling, 0.0}, {0.0, 0.0, 1.0*scaling}, {1.0*scaling, 0.0, 1.0*scaling}, {0.0, 1.0*scaling, 1.0*scaling}, {1.0*scaling, 1.0*scaling, 1.0*scaling}});
auto hexahedron = Geo(Dune::GeometryTypes::hexahedron, cornersHexahedron);
returns.push_back(testIntersection(hexahedron, {0.0, 0.0, 0.0}, true));
// test pyramid-point intersections
std::cout << "test pyramid-point intersections" << std::endl;
auto cornersPyramid = Points({{0.0, 0.0, 0.0}, {1.0*scaling, 0.0, 0.0}, {0.0, 1.0*scaling, 0.0}, {1.0*scaling, 1.0*scaling, 0.0}, {0.5*scaling, 0.5*scaling, 1.0*scaling}});
auto pyramid = Geo(Dune::GeometryTypes::pyramid, cornersPyramid);
returns.push_back(testIntersection(pyramid, {0.0, 0.0, 0.0}, true));
// test prism-point intersections
std::cout << "test prism-point intersections" << std::endl;
auto cornersPrism = Points({{0.0, 0.0, 0.0}, {1.0*scaling, 0.0, 0.0}, {0.0, 1.0*scaling, 0.0}, {0.0, 0.0, 1.0*scaling}, {1.0*scaling, 0.0, 1.0*scaling}, {0.0, 1.0*scaling, 1.0*scaling}});
auto prism = Geo(Dune::GeometryTypes::prism, cornersPrism);
returns.push_back(testIntersection(prism, {0.0, 0.0, 0.0}, true));
const auto transform = createTransformation(scaling, {0.0, 0.0, 0.0}, {1.0, 0.0, 0.0}, 0.0);
runTest<double>(returns, transform);
}
// determine the exit code
if (std::any_of(returns.begin(), returns.end(), [](bool i){ return !i; }))
if (std::any_of(returns.begin(), returns.end(), std::logical_not<bool>{}))
return 1;
std::cout << "All tests passed!" << std::endl;
std::cout << "\n++++++++++++++++++++++\n"
<< "All tests passed!"
<< "\n++++++++++++++++++++++" << std::endl;
return 0;
}
......
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