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// Purpose: Simple Unit tests for the Boolean volumes
//-- ensure asserts are compiled in
#undef NDEBUG
#include "VecGeom/base/FpeEnable.h"
#include "VecGeom/base/Vector3D.h"
#include "VecGeom/volumes/BooleanVolume.h"
#include "VecGeom/volumes/Tube.h"
#include "VecGeom/volumes/Box.h"
#include "ApproxEqual.h"
#include <cmath>
using namespace vecgeom;
using Vec3D_t = vecgeom::Vector3D<vecgeom::Precision>;
int TestBooleans()
{
double L = 10.; // global scale
// make a combination of union and subtraction
// BOX - ( TUBE + TUBE ) aka a box with 2 holes
UnplacedBox box(L, L, L);
auto bv = box.Capacity();
auto ba = box.SurfaceArea();
GenericUnplacedTube tube(0., 0.9 * L / 4., L, 0., vecgeom::kTwoPi);
LogicalVolume lbox("box", &box);
auto placedbox = lbox.Place();
// test capacity + surface area
auto tv = tube.Capacity();
auto etv = tube.EstimateCapacity(10000000);
assert(std::abs(tv - etv) / etv < 1E-3);
auto ta = tube.SurfaceArea();
auto eta = tube.EstimateSurfaceArea(10000000);
assert(std::abs(ta - eta) / ta < 1E-2);
LogicalVolume ltube("tube", &tube);
double HalfDiagL = std::sqrt(2.) * L; // Half diagonal length of box
double QuarterDiagL = HalfDiagL / 2.;
auto upperhole = ltube.Place(new Transformation3D(-L / 4, -L / 4, 0.));
auto lowerhole = ltube.Place(new Transformation3D(L / 4, L / 4, 0.));
UnplacedBooleanVolume<kUnion> holes(kUnion, upperhole, lowerhole); // 2 holes as a union
LogicalVolume lholes("CombinedTubes", &holes);
auto placedholes1 = lholes.Place();
auto placedholes2 = lholes.Place(new Transformation3D(-L / 2, -L / 2, 0.));
UnplacedBooleanVolume<kSubtraction> boxminusholes(kSubtraction, placedbox, placedholes2);
LogicalVolume lboxminusholes("CombinedBoolean", &boxminusholes);
auto placedcombinedboolean = lboxminusholes.Place();
// Check Extent and cached BBox
Vec3D_t minExtent, maxExtent, minBBox, maxBBox;
holes.Extent(minExtent, maxExtent);
holes.GetBBox(minBBox, maxBBox);
assert(ApproxEqual(minExtent, minBBox));
assert(ApproxEqual(maxExtent, maxBBox));
boxminusholes.Extent(minExtent, maxExtent);
boxminusholes.GetBBox(minBBox, maxBBox);
assert(ApproxEqual(minExtent, minBBox));
assert(ApproxEqual(maxExtent, maxBBox));
auto capacity = boxminusholes.Capacity();
assert(capacity > 0);
assert(std::fabs(capacity - (bv - 2. * tv)) / capacity < 1E-03);
auto sarea = boxminusholes.SurfaceArea();
assert(sarea > 0);
// ?? assert(sarea < (ba + 2. * ta));
assert(sarea > ba);
// Tests on the union first
// Contains
{
bool c = placedholes1->Contains(Vec3D_t(0., 0., 0.));
assert(!c);
}
{
bool c = placedholes1->Contains(Vec3D_t(-L / 4, -L / 4, 0.));
assert(c);
}
{
bool c = placedholes1->Contains(Vec3D_t(L / 4, L / 4, 0.));
assert(c);
}
{
double d = placedholes1->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(0., 0., 1.));
assert(d == kInfLength);
}
{
double d = placedholes1->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(1., 0., 0.));
assert(d == kInfLength);
}
{
double d = placedholes1->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(0., 1., 0.));
assert(d == kInfLength);
}
{
double d = placedholes1->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(1., 1., 0.).Normalized());
double d2 = placedholes1->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(-1., -1., 0.).Normalized());
double dt1 = lowerhole->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(1., 1., 0.).Normalized());
assert(ApproxEqual<Precision>(dt1, d));
assert(ApproxEqual<Precision>(d, d2));
assert(ApproxEqual<Precision>(d, QuarterDiagL / 2. - tube.rmax()));
}
{
double d = placedholes1->PlacedDistanceToOut(Vec3D_t(L / 4, L / 4, 0.), Vec3D_t(1., 1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, tube.rmax()));
}
{
double d = placedholes1->PlacedDistanceToOut(Vec3D_t(-L / 4, -L / 4, 0.), Vec3D_t(1., 1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, tube.rmax()));
}
// Test the combined boolean
{
bool c = placedcombinedboolean->Contains(Vec3D_t(0., 0., 0.));
assert(c);
}
{
bool c = placedcombinedboolean->Contains(Vec3D_t(-L / 2, -L / 2, 0.));
assert(c);
}
{
bool c = placedcombinedboolean->Contains(Vec3D_t(-3. * L / 4., -3. * L / 4., 0.));
assert(!c);
}
{
bool c = placedcombinedboolean->Contains(Vec3D_t(-L / 4., -L / 4., 0.));
assert(!c);
}
{
bool c = placedcombinedboolean->Contains(Vec3D_t(+L / 4., +L / 4., 0.));
assert(c);
}
{
bool c = placedcombinedboolean->Contains(Vec3D_t(+3 * L / 4., +3. * L / 4., 0.));
assert(c);
}
// Test the combined boolean DistanceToOut
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(0., 0., 0.), Vec3D_t(1., 0., 0.));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(0., 0., 0.), Vec3D_t(-1., -0., -0.));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(0., 0., 0.), Vec3D_t(-0., -1., -0.));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(0., -0., 0.), Vec3D_t(-0., 0., -1.));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(-L / 4, 0., 0.), Vec3D_t(0., -1., 0));
assert(ApproxEqual<Precision>(d, (L / 2. - 2. * tube.rmax()) / 2.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(-L / 4, 0., 0.), Vec3D_t(0., 1., 0));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(-3. * L / 4, 0., 0.), Vec3D_t(0., -1., 0));
assert(ApproxEqual<Precision>(d, L / 2. + (L / 2. - 2. * tube.rmax()) / 2.));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(-L / 2, -L / 2., 0.), Vec3D_t(1., 1., 0).Normalized());
assert(ApproxEqual<Precision>(d, QuarterDiagL / 2. - tube.rmax()));
}
{
double d = placedcombinedboolean->DistanceToOut(Vec3D_t(L, L, 0.), Vec3D_t(-1., -1., 0).Normalized());
assert(d > std::sqrt(2) * L && d < std::sqrt(2) * L * 3 / 2.);
}
// Test the combined boolean DistanceToIn
{
// needs fix
// double d = placedcombinedboolean->DistanceToIn(Vec3D_t(0., 0., 0.), Vec3D_t(1., 0., 0.));
// assert(d <= 0.);
} {
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-20., 0., 0.), Vec3D_t(1., -0., -0.));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(0., -20., 0.), Vec3D_t(0., 1., -0.));
assert(ApproxEqual<Precision>(d, 10.));
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(20., 20., 20.), Vec3D_t(-1., -1., -1.).Normalized());
assert(ApproxEqual<Precision>(d, 10. * std::sqrt(3.)));
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4., -L / 4., 0.), Vec3D_t(-1., -0., -0.));
assert(ApproxEqual<Precision>(d, tube.rmax()));
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4. - tube.rmax(), -L / 4., 0.), Vec3D_t(1., -0., -0.));
assert(ApproxEqual<Precision>(d, 2. * tube.rmax()));
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4., -L / 4., 0.), Vec3D_t(0, -1., -0.));
assert(ApproxEqual<Precision>(d, tube.rmax()));
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4., -L / 4., 0.), Vec3D_t(0, -0., -1.));
assert(d == kInfLength);
}
{
double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4., -L / 4., 0.), Vec3D_t(-0, -0, -1.));
assert(d == kInfLength);
}
{
// needs reworking verification
// double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4 - tube.rmax(), -L / 4., 0.), Vec3D_t(-0, -0,
// -1.));
// assert(d == kInfLength);
} {
// needs reworking + verification
// double d = placedcombinedboolean->DistanceToIn(Vec3D_t(-L / 4 - tube.rmax() - 0.01, -L / 4., 0.), Vec3D_t(-0, -0,
// -1.));
// assert(d <= 0.);
}
// Make combined union of the tubes with a slab
double Lslab = L / 4. * std::sqrt(2.);
UnplacedBox slab(Lslab, L / 10., L / 10.);
LogicalVolume lslab("slab", &slab);
// two disconnetected tubes are now connected via the rotated slab
UnplacedBooleanVolume<kUnion> tubesandslabunion(kUnion, placedholes1,
lslab.Place(new Transformation3D(0., 0., 0., 0., 0., 45)));
auto placedtubesslabunion = (new LogicalVolume("tubesandslabunion", &tubesandslabunion))->Place();
{
double d = placedtubesslabunion->PlacedDistanceToOut(Vec3D_t(0., 0., 0.), Vec3D_t(1., 1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, L / 4 * std::sqrt(2) + tube.rmax()));
}
{
double d = placedtubesslabunion->PlacedDistanceToOut(Vec3D_t(-L / 4, -L / 4, 0.), Vec3D_t(1., 1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, L / 2 * std::sqrt(2) + tube.rmax()));
}
{
double d = placedtubesslabunion->PlacedDistanceToOut(Vec3D_t(L / 4, L / 4, 0.), Vec3D_t(1., 1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, tube.rmax()));
}
{
double d =
placedtubesslabunion->PlacedDistanceToOut(Vec3D_t(-L / 4, -L / 4, 0.), Vec3D_t(-1., -1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, tube.rmax()));
}
{
double d = placedtubesslabunion->PlacedDistanceToOut(Vec3D_t(L / 4, L / 4, 0.), Vec3D_t(-1., -1., 0.).Normalized());
assert(ApproxEqual<Precision>(d, L / 2 * std::sqrt(2) + tube.rmax()));
}
return 0;
}
int main(int argc, char *argv[])
{
return TestBooleans();
}
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