Commit 66eacf9e authored by Timo Koch's avatar Timo Koch
Browse files

Merge branch '751-test-unit-test-intersectspointgeometry-incomplete' into 'master'

[test] Add unit test for points with 3d geometries

Closes #751

See merge request !1934
parents 3fee9051 7bf9e339
dumux_add_test(SOURCES test_0d1d_intersection.cc LABELS unit)
dumux_add_test(SOURCES test_0d3d_intersection.cc LABELS unit)
dumux_add_test(SOURCES test_1d1d_intersection.cc LABELS unit)
dumux_add_test(SOURCES test_1d3d_intersection.cc LABELS unit)
dumux_add_test(SOURCES test_1d2d_intersection.cc LABELS unit)
......
#include <config.h>
#include <iostream>
#include <algorithm>
#include <functional>
#include <type_traits>
#include <dune/common/classname.hh>
#include <dune/common/exceptions.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<class Geometry>
bool testIntersection(const Geometry& geo,
const typename Geometry::GlobalCoordinate& p,
bool foundExpected, bool verbose)
{
bool found = Dumux::intersectsPointGeometry(p, geo);
if (!found && foundExpected)
{
std::cerr << " Failed detecting intersection of " << geo.type();
for (int i = 0; i < geo.corners(); ++i)
std::cerr << " (" << geo.corner(i) << ")";
std::cerr << " with point: " << p << std::endl;
}
else if (found && !foundExpected)
{
std::cerr << " Found false positive: intersection of " << geo.type();
for (int i = 0; i < geo.corners(); ++i)
std::cerr << " (" << geo.corner(i) << ")";
std::cerr << " with point: " << p << std::endl;
}
if (verbose)
{
if (found && foundExpected)
std::cout << " Found intersection with " << p << std::endl;
else if (!found && !foundExpected)
std::cout << " No intersection with " << p << std::endl;
}
return (found == foundExpected);
}
template<class Transformation>
void runIntersectionTest(std::vector<bool>& returns, const Transformation& transform, bool verbose)
{
using ctype = typename std::decay_t<decltype(transform({0.0}))>::value_type;
using Geo = Dune::MultiLinearGeometry<ctype, 3, 3>;
using Points = std::vector<typename Geo::GlobalCoordinate>;
// test tetrahedron-point intersections
if (verbose) 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, verbose));
returns.push_back(testIntersection(tetrahedron, transform({0.0, 0.0, 0.5}), true, verbose));
returns.push_back(testIntersection(tetrahedron, transform({0.25, 0.25, 0.5}), true, verbose));
returns.push_back(testIntersection(tetrahedron, transform({0.5, 0.5, 0.5}), false, verbose));
returns.push_back(testIntersection(tetrahedron, transform({1.01, 0.0, 0.0}), false, verbose));
returns.push_back(testIntersection(tetrahedron, transform({0.5, 0.0, 0.51}), false, verbose));
// test hexahedron-point intersections
if (verbose) 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, verbose));
returns.push_back(testIntersection(hexahedron, transform({0.5, 0.5, 0.5}), true, verbose));
returns.push_back(testIntersection(hexahedron, transform({0.01, 0.01, 0.0001}), true, verbose));
returns.push_back(testIntersection(hexahedron, transform({1.01, 0.5, 0.5}), false, verbose));
returns.push_back(testIntersection(hexahedron, transform({2.0, 2.0, 2.0}), false, verbose));
returns.push_back(testIntersection(hexahedron, transform({-0.5, -0.0, -0.51}), false, verbose));
// test pyramid-point intersections
if (verbose) 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, verbose));
returns.push_back(testIntersection(pyramid, transform({0.5, 0.5, 0.0}), true, verbose));
returns.push_back(testIntersection(pyramid, transform({0.5, 0.5, 0.7}), true, verbose));
returns.push_back(testIntersection(pyramid, transform({0.5, 0.5, -0.0001}), false, verbose));
returns.push_back(testIntersection(pyramid, transform({0.25, 0.25, 0.5}), true, verbose));
returns.push_back(testIntersection(pyramid, transform({0.25, 0.75, 0.5}), true, verbose));
returns.push_back(testIntersection(pyramid, transform({0.75, 0.75, 0.5}), true, verbose));
returns.push_back(testIntersection(pyramid, transform({0.25, 0.25, 0.5001}), false, verbose));
returns.push_back(testIntersection(pyramid, transform({1.0, 1.0, 0.0001}), false, verbose));
// test prism-point intersections
if (verbose) 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, verbose));
returns.push_back(testIntersection(prism, transform({0.25, 0.0, 0.25}), true, verbose));
returns.push_back(testIntersection(prism, transform({0.0, 0.25, 0.25}), true, verbose));
returns.push_back(testIntersection(prism, transform({0.25, 0.25, 1.0}), true, verbose));
returns.push_back(testIntersection(prism, transform({0.25, 0.25, 0.0}), true, verbose));
returns.push_back(testIntersection(prism, transform({0.25, 0.25, -0.0001}), false, verbose));
returns.push_back(testIntersection(prism, transform({0.25, 0.25, 1.0001}), false, verbose));
}
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 << "Intersection test with transformation:"
<< " ctype: " << Dune::className<ctype>()
<< ", 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.axpy(scale, 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
{
// collect returns to determine exit code
std::vector<bool> returns;
constexpr bool verbose = false;
using Vec = Dune::FieldVector<double, 3>;
for (const double scaling : {1.0, 1e3, 1e12, 1e-12})
for (const double translation : {0.0, 1.0})
for (const double angle : {0.0, 0.2*M_PI, 0.5*M_PI, 0.567576567*M_PI, M_PI})
for (const auto& rotAxis : {Vec(std::sqrt(3.0)/3.0), Vec({std::sqrt(2.0)/2.0, std::sqrt(2.0)/2.0, 0.0})})
runIntersectionTest(returns,
createTransformation<double>(scaling, Vec(translation), rotAxis, angle), verbose);
// determine the exit code
if (std::any_of(returns.begin(), returns.end(), std::logical_not<bool>{}))
return 1;
std::cout << "\n++++++++++++++++++++++\n"
<< "All tests passed!"
<< "\n++++++++++++++++++++++" << std::endl;
return 0;
}
// //////////////////////////////////
// Error handler
// /////////////////////////////////
catch (const Dune::Exception& e) {
std::cout << e << std::endl;
return 1;
}
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