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#include "Visualizer.h"
#include "VecGeom/base/AOS3D.h"
#include "VecGeom/base/SOA3D.h"
#include "VecGeom/base/Transformation3D.h"
#include "VecGeom/volumes/PlacedVolume.h"
#include "TApplication.h"
#include "TAxis3D.h"
#include "TGeoManager.h"
#include "TGeoMatrix.h"
#include "TGeoShape.h"
#include "TPolyLine3D.h"
#include "TPolyMarker3D.h"
#include "TVirtualPad.h"
#include "TView.h"
#include <iostream>
namespace vecgeom {
Visualizer::Visualizer() : fVerbosity(0), fVolumes(), fMarkers(), fLines(), fApp(0), fGeoManager(0)
{
fApp = new TApplication("VecGeom Visualizer", NULL, NULL);
}
Visualizer::~Visualizer()
{
delete fApp;
}
void Visualizer::AddVolume(VPlacedVolume const &volume)
{
if (fGeoManager) delete fGeoManager;
fGeoManager = new TGeoManager("visualizer", "");
TGeoShape const *rootShape = volume.ConvertToRoot();
fVolumes.push_back(std::make_tuple(std::shared_ptr<const TGeoShape>(rootShape),
std::unique_ptr<TGeoMatrix>(new TGeoIdentity()),
std::unique_ptr<TGeoVolume>(new TGeoVolume("", rootShape, nullptr))));
if (fVerbosity > 0) {
std::cout << "Added volume " << volume << " to Visualizer.\n";
}
}
void Visualizer::AddVolume(VPlacedVolume const &volume, Transformation3D const &transformation)
{
// Cannot store const pointer because Draw() is not const
if (fGeoManager) delete fGeoManager;
fGeoManager = new TGeoManager("visualizer", "");
TGeoShape const *rootShape = volume.ConvertToRoot();
fVolumes.push_back(std::make_tuple(std::shared_ptr<const TGeoShape>(rootShape),
std::unique_ptr<TGeoMatrix>(Transformation3D::ConvertToTGeoMatrix(transformation)),
std::unique_ptr<TGeoVolume>(new TGeoVolume("", rootShape, nullptr))));
if (fVerbosity > 0) {
std::cout << "Added volume " << volume << " to Visualizer.\n";
}
}
void Visualizer::AddVolume(std::shared_ptr<const TGeoShape> volume)
{
fVolumes.push_back(std::make_tuple(volume, std::unique_ptr<TGeoMatrix>(new TGeoIdentity),
std::unique_ptr<TGeoVolume>(new TGeoVolume("", volume.get(), nullptr))));
if (fVerbosity > 0) {
std::cout << "Added ROOT volume to Visualizer.\n";
}
}
void Visualizer::AddVolume(std::shared_ptr<const TGeoShape> volume, Transformation3D const &transformation)
{
fVolumes.push_back(std::make_tuple(volume, std::unique_ptr<TGeoMatrix>(Transformation3D::ConvertToTGeoMatrix(transformation)),
std::unique_ptr<TGeoVolume>(new TGeoVolume("", volume.get(), nullptr))));
if (fVerbosity > 0) {
std::cout << "Added ROOT volume to Visualizer.\n";
}
}
void Visualizer::AddPoints(AOS3D<Precision> const &points, int color, int style, int size)
{
AddPointsTemplate(points, color, style, size);
}
void Visualizer::AddPoints(SOA3D<Precision> const &points, int color, int style, int size)
{
AddPointsTemplate(points, color, style, size);
}
void Visualizer::AddPoint(Vector3D<Precision> const &point, int color, int style, int size)
{
SOA3D<Precision> c(0);
c.push_back(point);
AddPoints(c, color, style, size);
}
void Visualizer::AddPoints(TPolyMarker3D const &marker)
{
fMarkers.emplace_back(new TPolyMarker3D(marker));
if (fVerbosity > 0) {
std::cout << "Added " << marker.GetN() << " points to Visualizer.\n";
}
}
void Visualizer::AddLine(Vector3D<Precision> const &p0, Vector3D<Precision> const &p1)
{
TPolyLine3D *line = new TPolyLine3D(2);
line->SetPoint(0, p0[0], p0[1], p0[2]);
line->SetPoint(1, p1[0], p1[1], p1[2]);
line->SetLineColor(kBlue);
fLines.emplace_back(line);
if (fVerbosity > 0) {
std::cout << "Added line " << p0 << "--" << p1 << " to Visualizer.\n";
}
}
void Visualizer::AddLine(TPolyLine3D const &line)
{
fLines.emplace_back(new TPolyLine3D(line));
auto GetPoint = [&line](int index) {
float *pointArray = line.GetP();
int offset = 3 * index;
return Vector3D<Precision>(pointArray[offset], pointArray[offset + 1], pointArray[offset + 2]);
;
};
if (line.GetN() == 2) {
if (fVerbosity > 0) {
std::cout << "Added line " << GetPoint(0) << "--" << GetPoint(1) << " to Visualizer.\n";
}
} else {
if (fVerbosity > 0) {
std::cout << "Added line with " << line.GetN() << " points to Visualizer.\n";
}
}
}
void Visualizer::Show() const
{
TAxis3D axes;
TGeoVolume *top = fGeoManager->MakeBox("Top", NULL, kInfLength, kInfLength, kInfLength);
fGeoManager->SetTopVolume(top);
for (auto &volume : fVolumes) {
top->AddNode(std::get<2>(volume).get(), top->GetNdaughters(), std::get<1>(volume).get());
}
top->Draw();
for (auto &marker : fMarkers) {
marker->Draw();
}
for (auto &line : fLines) {
line->Draw();
}
gPad->GetView()->ShowAxis();
axes.Draw();
fApp->Run();
}
void Visualizer::Clear()
{
fVolumes.clear();
fMarkers.clear();
fLines.clear();
if (fVerbosity > 0) {
std::cout << "Cleared Visualizer content.\n";
}
}
void Visualizer::SetVerbosity(int level)
{
fVerbosity = level;
}
template <class ContainerType>
void Visualizer::AddPointsTemplate(ContainerType const &points, int color, int style, int markersize)
{
const int size = points.size();
TPolyMarker3D *marker = new TPolyMarker3D(size);
marker->SetMarkerColor(color);
marker->SetMarkerSize(markersize);
marker->SetMarkerStyle(style);
for (int i = 0; i < size; ++i) {
marker->SetNextPoint(points.x(i), points.y(i), points.z(i));
}
fMarkers.emplace_back(marker);
if (fVerbosity > 0) {
std::cout << "Added " << size << " points to Visualizer.\n";
}
}
} // End namespace vecgeom
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