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Add a PIV loop to the find volume program. #54

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Add a PIV loop to the find volume program. #54

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2 changes: 1 addition & 1 deletion include/xdg/vec3da.h
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Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,7 @@ __forceinline double dot( const Vec3da& a, const Vec3da& b ) { return a.dot(b);
__forceinline Vec3da cross( const Vec3da& a, const Vec3da& b ) { return a.cross(b); }

__forceinline std::ostream& operator <<(std::ostream &os, Vec3da const& v) {
return os << '[' << v[0] << ' ' << v[1] << ' ' << v[2] << ' ' << v.a << ']';
return os << '[' << v[0] << ' ' << v[1] << ' ' << v[2] << ']';
}

//! Determine if a position is lexicographically higher or lower than another
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22 changes: 21 additions & 1 deletion tools/find_volume.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,6 @@ int main(int argc, char** argv) {
const auto& mm = xdg->mesh_manager();
mm->load_file(args.get<std::string>("filename"));
mm->init();
mm->parse_metadata();
xdg->prepare_raytracer();

if (args.get<bool>("--list")) {
Expand All @@ -63,11 +62,32 @@ int main(int argc, char** argv) {

MeshID volume = xdg->find_volume(position, direction);

std::cout << "Find Volume" << std::endl;
std::cout << "-----------" << std::endl;
if (volume == ID_NONE) {
std::cout << "No volume found for position " << position << std::endl;
} else {
std::cout << "Point " << position << " is in Volume " << volume << std::endl;
}
std::cout << "-----------" << std::endl;

// perform the same check using a point in volume loop
MeshID piv_volume = ID_NONE;
for (auto volume_id : mm->volumes()) {
if (xdg->point_in_volume(volume_id, position, &direction)) {
piv_volume = volume_id;
break;
}
}

std::cout << "Point in Volume" << std::endl;
std::cout << "---------------" << std::endl;
if (piv_volume == ID_NONE) {
std::cout << "No volume found for position " << position << std::endl;
} else {
std::cout << "Point " << position << " is in Volume " << piv_volume << std::endl;
}
std::cout << "---------------" << std::endl;

return 0;
}