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geodemo.C File Reference

Detailed Description

GUI to draw the geometry shapes.

#include "TMath.h"
#include "TControlBar.h"
#include "TRandom3.h"
#include "TROOT.h"
#include "TSystem.h"
#include "TVirtualPad.h"
#include "TCanvas.h"
#include "TGeoManager.h"
#include "TGeoNode.h"
#include "TView.h"
#include "TPaveText.h"
#include "TGeoBBox.h"
#include "TGeoPara.h"
#include "TGeoTube.h"
#include "TGeoCone.h"
#include "TGeoEltu.h"
#include "TGeoSphere.h"
#include "TGeoTorus.h"
#include "TGeoTrd1.h"
#include "TGeoTrd2.h"
#include "TGeoParaboloid.h"
#include "TGeoHype.h"
#include "TGeoPcon.h"
#include "TGeoPgon.h"
#include "TGeoArb8.h"
#include "TGeoXtru.h"
Bool_t comments = kTRUE;
Bool_t raytracing = kFALSE;
Bool_t grotate = kFALSE;
Bool_t axis = kTRUE;
//______________________________________________________________________________
void MakePicture()
{
TView *view = gPad->GetView();
if (view) {
// view->RotateView(248,66);
if (axis) view->ShowAxis();
}
if (is_raytracing != raytracing) {
gPad->Modified();
gPad->Update();
}
}
//______________________________________________________________________________
void AddMemberInfo(TPaveText *pave, const char *datamember, Double_t value, const char *comment)
{
TString line = datamember;
while (line.Length() < 10) line.Append(" ");
line.Append(TString::Format("= %5.2f => %s", value, comment));
TText *text = pave->AddText(line.Data());
// text->SetTextColor(4);
text->SetTextAlign(12);//12
}
//______________________________________________________________________________
void AddMemberInfo(TPaveText *pave, const char *datamember, Int_t value, const char *comment)
{
TString line = datamember;
while (line.Length() < 10) line.Append(" ");
line.Append(TString::Format("= %5d => %s", value, comment));
TText *text = pave->AddText(line.Data());
// text->SetTextColor(4);
text->SetTextAlign(12);
}
//______________________________________________________________________________
void AddFinderInfo(TPaveText *pave, TObject *pf, Int_t iaxis)
{
TGeoPatternFinder *finder = dynamic_cast<TGeoPatternFinder *>(pf);
if (!pave || !pf || !iaxis) return;
TGeoVolume *volume = finder->GetVolume();
TGeoShape *sh = volume->GetShape();
TText *text = pave->AddText(TString::Format("Division of %s on axis %d (%s)", volume->GetName(), iaxis, sh->GetAxisName(iaxis)));
text->SetTextColor(3);
text->SetTextAlign(12);
AddMemberInfo(pave, "fNdiv", finder->GetNdiv(), "number of divisions");
AddMemberInfo(pave, "fStart", finder->GetStart(), "start divisioning position");
AddMemberInfo(pave, "fStep", finder->GetStep(), "division step");
}
//______________________________________________________________________________
void AddExecInfo(TPaveText *pave, const char *name = nullptr, const char *axisinfo = nullptr)
{
if (name && axisinfo) {
auto text = pave->AddText(TString::Format("Execute: %s(iaxis, ndiv, start, step) to divide this.", name));
text->SetTextColor(4);
pave->AddText(TString::Format("----- IAXIS can be %s", axisinfo));
pave->AddText("----- NDIV must be a positive integer");
pave->AddText("----- START must be a valid axis offset within shape range on divided axis");
pave->AddText("----- STEP is the division step. START+NDIV*STEP must be in range also");
pave->AddText("----- If START and STEP are omitted, all range of the axis will be divided");
pave->SetAllWith("-----","color",2);
pave->SetAllWith("-----","font",72);
pave->SetAllWith("-----","size",0.04);
} else if (name) {
auto text = pave->AddText(TString::Format("Execute: %s()", name));
text->SetTextColor(4);
}
pave->AddText(" ");
pave->SetTextSize(0.044);
pave->SetTextAlign(12);
}
//______________________________________________________________________________
void SavePicture(const char *name, TObject *objcanvas, TObject *objvol, Int_t iaxis, Double_t step)
{
TCanvas *c = (TCanvas*)objcanvas;
TGeoVolume *vol = (TGeoVolume*)objvol;
if (!c || !vol) return;
c->cd();
TString fname;
if (iaxis == 0)
fname.Form("t_%s.gif",name);
else if (step == 0)
fname.Form("t_%sdiv%s.gif", name, vol->GetShape()->GetAxisName(iaxis));
else
fname.Form("t_%sdivstep%s.gif", name, vol->GetShape()->GetAxisName(iaxis));
c->Print(fname.Data());
}
//______________________________________________________________________________
Int_t randomColor()
{
Double_t color = 7.*gRandom->Rndm();
return (1+Int_t(color));
}
//______________________________________________________________________________
void raytrace() {
raytracing = !raytracing;
if (gGeoManager && gPad) {
auto top = gGeoManager->GetTopVolume();
bool drawn = gPad->GetListOfPrimitives()->FindObject(top);
if (drawn) top->SetVisRaytrace(raytracing);
gPad->Modified();
gPad->Update();
}
}
//______________________________________________________________________________
void help() {
auto c =(TCanvas *) gROOT->GetListOfCanvases()->FindObject("geom_help");
if (c) {
c->Clear();
c->Update();
c->cd();
} else {
c = new TCanvas("geom_help","Help to run demos",200,10,700,600);
}
TPaveText *welcome = new TPaveText(.1,.8,.9,.97);
welcome->AddText("Welcome to the new geometry package");
welcome->SetTextFont(32);
welcome->SetTextColor(4);
welcome->SetFillColor(24);
welcome->Draw();
TPaveText *hdemo = new TPaveText(.05,.05,.95,.7);
hdemo->SetTextAlign(12);
hdemo->SetTextFont(52);
hdemo->AddText("- Demo for building TGeo basic shapes and simple geometry. Shape parameters are");
hdemo->AddText(" displayed in the right pad");
hdemo->AddText("- Click left mouse button to execute one demo");
hdemo->AddText("- While pointing the mouse to the pad containing the geometry, do:");
hdemo->AddText("- .... click-and-move to rotate");
hdemo->AddText("- .... press j/k to zoom/unzoom");
hdemo->AddText("- .... press l/h/u/i to move the view center around");
hdemo->AddText("- Click Ray-trace ON/OFF to toggle ray-tracing");
hdemo->AddText("- Use <View with x3d> from the <View> menu to get an x3d view");
hdemo->AddText("- .... same methods to rotate/zoom/move the view");
hdemo->AddText("- Execute box(1,8) to divide a box in 8 equal slices along X");
hdemo->AddText("- Most shapes can be divided on X,Y,Z,Rxy or Phi :");
hdemo->AddText("- .... root[0] <shape>(IAXIS, NDIV, START, STEP);");
hdemo->AddText(" .... IAXIS = 1,2,3 meaning (X,Y,Z) or (Rxy, Phi, Z)");
hdemo->AddText(" .... NDIV = number of slices");
hdemo->AddText(" .... START = start slicing position");
hdemo->AddText(" .... STEP = division step");
hdemo->AddText("- Click Comments ON/OFF to toggle comments");
hdemo->AddText("- Click Ideal/Align geometry to see how alignment works");
hdemo->AddText(" ");
hdemo->SetAllWith("....","color",2);
hdemo->SetAllWith("....","font",72);
hdemo->SetAllWith("....","size",0.03);
hdemo->Draw();
c->Update();
}
//______________________________________________________________________________
void autorotate()
{
grotate = !grotate;
if (!grotate) {
gROOT->SetInterrupt(kTRUE);
return;
}
if (!gPad) return;
TView *view = gPad->GetView();
if (!view) return;
if (!gGeoManager) return;
if (!painter) return;
Double_t longit = view->GetLongitude();
// Double_t lat = view->GetLatitude();
// Double_t psi = view->GetPsi();
Double_t dphi = 1.;
Int_t irep;
gROOT->SetInterrupt(kFALSE);
while (grotate) {
if (timer->ProcessEvents()) break;
if (gROOT->IsInterrupted()) break;
longit += dphi;
if (longit>360) longit -= 360.;
if (!gPad) {
grotate = kFALSE;
return;
}
view = gPad->GetView();
if (!view) {
grotate = kFALSE;
return;
}
view->SetView(longit,view->GetLatitude(),view->GetPsi(),irep);
gPad->Modified();
gPad->Update();
}
delete timer;
}
//______________________________________________________________________________
void axes()
{
axis = !axis;
TView *view = gPad ? gPad->GetView() : nullptr;
if(view)
view->ShowAxis();
}
//______________________________________________________________________________
TCanvas *create_canvas(const char *title)
{
auto c = (TCanvas *) gROOT->GetListOfCanvases()->FindObject("geom_draw");
if (c) {
c->Clear();
c->Update();
c->SetTitle(title);
} else {
c = new TCanvas("geom_draw", title, 700,1000);
}
if (comments) {
c->Divide(1,2,0,0);
c->GetPad(2)->SetPad(0,0,1,0.4);
c->GetPad(1)->SetPad(0,0.4,1,1);
c->cd(1);
}
return c;
}
//______________________________________________________________________________
void box(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A simple box");
if (gGeoManager) delete gGeoManager;
new TGeoManager("box", "A simple box");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeBox("BOX",med, 20,30,40);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if ((iaxis > 0) && (iaxis < 4)) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoBBox *box = (TGeoBBox *) vol->GetShape();
TText *text = pt->AddText("TGeoBBox - box class");
text->SetTextColor(2);
AddMemberInfo(pt, "fDX", box->GetDX(), "half length in X");
AddMemberInfo(pt, "fDY", box->GetDY(), "half length in Y");
AddMemberInfo(pt, "fDZ", box->GetDZ(), "half length in Z");
AddMemberInfo(pt, "fOrigin[0]", (box->GetOrigin())[0], "box origin on X");
AddMemberInfo(pt, "fOrigin[1]", (box->GetOrigin())[1], "box origin on Y");
AddMemberInfo(pt, "fOrigin[2]", (box->GetOrigin())[2], "box origin on Z");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "box", "1, 2 or 3 (X, Y, Z)");
pt->Draw();
// SavePicture("box",c,vol,iaxis,step);
c->cd(1);
}
//______________________________________________________________________________
void para(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A parallelepiped");
if (gGeoManager) delete gGeoManager;
new TGeoManager("para", "A parallelepiped");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakePara("PARA",med, 20,30,40,30,15,30);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if ((iaxis > 0) && (iaxis < 4)) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 1-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoPara *para = (TGeoPara *) vol->GetShape();
TText *text = pt->AddText("TGeoPara - parallelepiped class");
text->SetTextColor(2);
AddMemberInfo(pt, "fX", para->GetX(), "half length in X");
AddMemberInfo(pt, "fY", para->GetY(), "half length in Y");
AddMemberInfo(pt, "fZ", para->GetZ(), "half length in Z");
AddMemberInfo(pt, "fAlpha", para->GetAlpha(), "angle about Y of the Z bases");
AddMemberInfo(pt, "fTheta", para->GetTheta(), "inclination of para axis about Z");
AddMemberInfo(pt, "fPhi", para->GetPhi(), "phi angle of para axis");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "para", "1, 2 or 3 (X, Y, Z)");
pt->Draw();
c->cd(1);
// SavePicture("para",c,vol,iaxis,step);
}
//______________________________________________________________________________
void tube(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A tube");
if (gGeoManager) delete gGeoManager;
new TGeoManager("tube", "poza2");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeTube("TUBE",med, 20,30,40);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if ((iaxis > 0) && (iaxis < 4)) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 1-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTube *tube = (TGeoTube*)(vol->GetShape());
TText *text = pt->AddText("TGeoTube - tube class");
text->SetTextColor(2);
AddMemberInfo(pt,"fRmin",tube->GetRmin(),"minimum radius");
AddMemberInfo(pt,"fRmax",tube->GetRmax(),"maximum radius");
AddMemberInfo(pt,"fDZ", tube->GetDZ(), "half length in Z");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "tube", "1, 2 or 3 (Rxy, Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("tube",c,vol,iaxis,step);
}
//______________________________________________________________________________
void tubeseg(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A tube segment");
if (gGeoManager) delete gGeoManager;
new TGeoManager("tubeseg", "poza3");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeTubs("TUBESEG",med, 20,30,40,-30,270);
vol->SetLineColor(randomColor());
if ((iaxis > 0) && (iaxis < 4)) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 1-3.\n", iaxis);
return;
}
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTubeSeg *tubeseg = (TGeoTubeSeg*)(vol->GetShape());
TText *text = pt->AddText("TGeoTubeSeg - tube segment class");
text->SetTextColor(2);
AddMemberInfo(pt,"fRmin",tubeseg->GetRmin(),"minimum radius");
AddMemberInfo(pt,"fRmax",tubeseg->GetRmax(),"maximum radius");
AddMemberInfo(pt,"fDZ", tubeseg->GetDZ(), "half length in Z");
AddMemberInfo(pt,"fPhi1",tubeseg->GetPhi1(),"first phi limit");
AddMemberInfo(pt,"fPhi2",tubeseg->GetPhi2(),"second phi limit");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "tubeseg", "1, 2 or 3 (Rxy, Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("tubeseg",c,vol,iaxis,step);
}
//______________________________________________________________________________
void ctub(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A cut tube segment");
if (gGeoManager) delete gGeoManager;
new TGeoManager("ctub", "poza3");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
Double_t theta = 160.*TMath::Pi()/180.;
Double_t phi = 30.*TMath::Pi()/180.;
Double_t nlow[3];
nlow[0] = TMath::Sin(theta)*TMath::Cos(phi);
nlow[1] = TMath::Sin(theta)*TMath::Sin(phi);
nlow[2] = TMath::Cos(theta);
theta = 20.*TMath::Pi()/180.;
phi = 60.*TMath::Pi()/180.;
Double_t nhi[3];
nhi[0] = TMath::Sin(theta)*TMath::Cos(phi);
nhi[1] = TMath::Sin(theta)*TMath::Sin(phi);
nhi[2] = TMath::Cos(theta);
TGeoVolume *vol = gGeoManager->MakeCtub("CTUB",med, 20,30,40,-30,250, nlow[0], nlow[1], nlow[2], nhi[0],nhi[1],nhi[2]);
vol->SetLineColor(randomColor());
if (iaxis == 1 || iaxis == 2) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 1-2.\n", iaxis);
return;
}
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTubeSeg *tubeseg = (TGeoTubeSeg*)(vol->GetShape());
TText *text = pt->AddText("TGeoTubeSeg - tube segment class");
text->SetTextColor(2);
AddMemberInfo(pt,"fRmin",tubeseg->GetRmin(),"minimum radius");
AddMemberInfo(pt,"fRmax",tubeseg->GetRmax(),"maximum radius");
AddMemberInfo(pt,"fDZ", tubeseg->GetDZ(), "half length in Z");
AddMemberInfo(pt,"fPhi1",tubeseg->GetPhi1(),"first phi limit");
AddMemberInfo(pt,"fPhi2",tubeseg->GetPhi2(),"second phi limit");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "ctub", "1 or 2");
pt->Draw();
c->cd(1);
// SavePicture("tubeseg",c,vol,iaxis,step);
}
//______________________________________________________________________________
void cone(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A cone");
if (gGeoManager) delete gGeoManager;
new TGeoManager("cone", "poza4");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeCone("CONE",med, 40,10,20,35,45);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
if (iaxis == 2 || iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 2-3.\n", iaxis);
return;
}
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoCone *cone = (TGeoCone*)(vol->GetShape());
TText *text = pt->AddText("TGeoCone - cone class");
text->SetTextColor(2);
AddMemberInfo(pt,"fDZ", cone->GetDZ(), "half length in Z");
AddMemberInfo(pt,"fRmin1",cone->GetRmin1(),"inner radius at -dz");
AddMemberInfo(pt,"fRmax1",cone->GetRmax1(),"outer radius at -dz");
AddMemberInfo(pt,"fRmin2",cone->GetRmin2(),"inner radius at +dz");
AddMemberInfo(pt,"fRmax2",cone->GetRmax2(),"outer radius at +dz");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "cone", "2 or 3 (Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("cone",c,vol,iaxis,step);
}
//______________________________________________________________________________
void coneseg(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A cone segment");
if (gGeoManager) delete gGeoManager;
new TGeoManager("coneseg", "poza5");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeCons("CONESEG",med, 40,30,40,10,20,-30,250);
vol->SetLineColor(randomColor());
// vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis >= 2 && iaxis <= 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 2-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoConeSeg *coneseg = (TGeoConeSeg*)(vol->GetShape());
TText *text = pt->AddText("TGeoConeSeg - coneseg class");
text->SetTextColor(2);
AddMemberInfo(pt, "fDZ", coneseg->GetDZ(), "half length in Z");
AddMemberInfo(pt, "fRmin1", coneseg->GetRmin1(), "inner radius at -dz");
AddMemberInfo(pt, "fRmax1", coneseg->GetRmax1(), "outer radius at -dz");
AddMemberInfo(pt, "fRmin2", coneseg->GetRmin1(), "inner radius at +dz");
AddMemberInfo(pt, "fRmax2", coneseg->GetRmax1(), "outer radius at +dz");
AddMemberInfo(pt, "fPhi1", coneseg->GetPhi1(), "first phi limit");
AddMemberInfo(pt, "fPhi2", coneseg->GetPhi2(), "second phi limit");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "coneseg", "2 or 3 (Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("coneseg",c,vol,iaxis,step);
}
//______________________________________________________________________________
void eltu(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("An Elliptical tube");
if (gGeoManager) delete gGeoManager;
new TGeoManager("eltu", "poza6");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeEltu("ELTU",med, 30,10,40);
vol->SetLineColor(randomColor());
// vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis >= 2 && iaxis <= 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 2-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoEltu *eltu = (TGeoEltu*)(vol->GetShape());
TText *text = pt->AddText("TGeoEltu - eltu class");
text->SetTextColor(2);
AddMemberInfo(pt,"fA",eltu->GetA(), "semi-axis along x");
AddMemberInfo(pt,"fB",eltu->GetB(), "semi-axis along y");
AddMemberInfo(pt,"fDZ", eltu->GetDZ(), "half length in Z");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "eltu", "2 or 3 (Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("eltu",c,vol,iaxis,step);
}
//______________________________________________________________________________
void sphere()
{
auto c = create_canvas("A spherical sector");
if (gGeoManager) delete gGeoManager;
new TGeoManager("sphere", "poza7");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeSphere("SPHERE",med, 30,40,60,120,30,240);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoSphere *sphere = (TGeoSphere*)(vol->GetShape());
TText *text = pt->AddText("TGeoSphere- sphere class");
text->SetTextColor(2);
AddMemberInfo(pt, "fRmin", sphere->GetRmin(), "inner radius");
AddMemberInfo(pt, "fRmax", sphere->GetRmax(), "outer radius");
AddMemberInfo(pt, "fTheta1", sphere->GetTheta1(), "lower theta limit");
AddMemberInfo(pt, "fTheta2", sphere->GetTheta2(), "higher theta limit");
AddMemberInfo(pt, "fPhi1", sphere->GetPhi1(), "lower phi limit");
AddMemberInfo(pt, "fPhi2", sphere->GetPhi2(), "higher phi limit");
AddExecInfo(pt, "sphere");
pt->Draw();
c->cd(1);
// SavePicture("sphere",c,vol,iaxis,step);
}
//______________________________________________________________________________
void torus()
{
auto c = create_canvas("A toroidal segment");
if (gGeoManager) delete gGeoManager;
new TGeoManager("torus", "poza2");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeTorus("TORUS",med, 40,20,25,0,270);
vol->SetLineColor(randomColor());
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTorus *tor = (TGeoTorus*)(vol->GetShape());
TText *text = pt->AddText("TGeoTorus - torus class");
text->SetTextColor(2);
AddMemberInfo(pt, "fR", tor->GetR(), "radius of the ring");
AddMemberInfo(pt, "fRmin", tor->GetRmin(), "minimum radius");
AddMemberInfo(pt, "fRmax", tor->GetRmax(), "maximum radius");
AddMemberInfo(pt, "fPhi1", tor->GetPhi1(), "starting phi angle");
AddMemberInfo(pt, "fDphi", tor->GetDphi(), "phi range");
AddExecInfo(pt, "torus");
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void trd1(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A trapezoid with dX varying");
if (gGeoManager) delete gGeoManager;
new TGeoManager("trd1", "poza8");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeTrd1("Trd1",med, 10,20,30,40);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis == 2 || iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed range is 2-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTrd1 *trd1 = (TGeoTrd1 *) vol->GetShape();
TText *text = pt->AddText("TGeoTrd1 - Trd1 class");
text->SetTextColor(2);
AddMemberInfo(pt,"fDx1",trd1->GetDx1(),"half length in X at lower Z surface(-dz)");
AddMemberInfo(pt,"fDx2",trd1->GetDx2(),"half length in X at higher Z surface(+dz)");
AddMemberInfo(pt,"fDy",trd1->GetDy(),"half length in Y");
AddMemberInfo(pt,"fDz",trd1->GetDz(),"half length in Z");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "trd1", "2 or 3 (Y, Z)");
pt->Draw();
c->cd(1);
// SavePicture("trd1",c,vol,iaxis,step);
}
//______________________________________________________________________________
void parab()
{
auto c = create_canvas("A paraboloid segment");
if (gGeoManager) delete gGeoManager;
new TGeoManager("parab", "paraboloid");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeParaboloid("PARAB",med,0, 40, 50);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoParaboloid - Paraboloid class");
text->SetTextColor(2);
AddMemberInfo(pt,"fRlo",par->GetRlo(),"radius at Z=-dz");
AddMemberInfo(pt,"fRhi",par->GetRhi(),"radius at Z=+dz");
AddMemberInfo(pt,"fDz",par->GetDz(),"half-length on Z axis");
pt->AddText("----- A paraboloid is described by the equation:");
pt->AddText("----- z = a*r*r + b; where: r = x*x + y*y");
pt->AddText("----- Create with: TGeoParaboloid *parab = new TGeoParaboloid(rlo, rhi, dz);");
pt->AddText("----- dz: half-length in Z (range from -dz to +dz");
pt->AddText("----- rlo: radius at z=-dz given by: -dz = a*rlo*rlo + b");
pt->AddText("----- rhi: radius at z=+dz given by: dz = a*rhi*rhi + b");
pt->AddText("----- rlo != rhi; both >= 0");
AddExecInfo(pt, "parab");
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void hype()
{
auto c = create_canvas("A hyperboloid");
if (gGeoManager) delete gGeoManager;
new TGeoManager("hype", "hyperboloid");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeHype("HYPE",med,10, 45 ,20,45,40);
TGeoHype *hype = (TGeoHype*)vol->GetShape();
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoHype - Hyperboloid class");
text->SetTextColor(2);
AddMemberInfo(pt, "fRmin", hype->GetRmin(), "minimum inner radius");
AddMemberInfo(pt, "fStIn", hype->GetStIn(), "inner surface stereo angle [deg]");
AddMemberInfo(pt, "fRmax", hype->GetRmax(), "minimum outer radius");
AddMemberInfo(pt, "fStOut",hype->GetStOut(),"outer surface stereo angle [deg]");
AddMemberInfo(pt, "fDz", hype->GetDz(), "half-length on Z axis");
pt->AddText("----- A hyperboloid is described by the equation:");
pt->AddText("----- r^2 - (tan(stereo)*z)^2 = rmin^2; where: r = x*x + y*y");
pt->AddText("----- Create with: TGeoHype *hype = new TGeoHype(rin, stin, rout, stout, dz);");
pt->AddText("----- rin < rout; rout > 0");
pt->AddText("----- rin = 0; stin > 0 => inner surface conical");
pt->AddText("----- stin/stout = 0 => corresponding surface cylindrical");
AddExecInfo(pt, "hype");
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void pcon(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A polycone");
if (gGeoManager) delete gGeoManager;
new TGeoManager("pcon", "poza10");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakePcon("PCON",med, -30.0,300,4);
TGeoPcon *pcon = (TGeoPcon*)(vol->GetShape());
pcon->DefineSection(0,0,15,20);
pcon->DefineSection(1,20,15,20);
pcon->DefineSection(2,20,15,25);
pcon->DefineSection(3,50,15,20);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis == 2 || iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} if (iaxis) {
printf("Wrong division axis %d. Allowed range is 2-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoPcon - pcon class");
text->SetTextColor(2);
AddMemberInfo(pt,"fPhi1",pcon->GetPhi1(),"lower phi limit");
AddMemberInfo(pt,"fDphi",pcon->GetDphi(),"phi range");
AddMemberInfo(pt,"fNz",pcon->GetNz(),"number of z planes");
for (Int_t j=0; j<pcon->GetNz(); j++) {
"fZ[%i]=%5.2f fRmin[%i]=%5.2f fRmax[%i]=%5.2f",
j,pcon->GetZ()[j],j,pcon->GetRmin()[j],j,pcon->GetRmax()[j]);
text = pt->AddText(line.Data());
text->SetTextColor(4);
text->SetTextAlign(12);
}
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "pcon", "2 or 3 (Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("pcon",c,vol,iaxis,step);
}
//______________________________________________________________________________
void pgon(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A polygone");
if (gGeoManager) delete gGeoManager;
new TGeoManager("pgon", "poza11");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,150,150,100);
TGeoVolume *vol = gGeoManager->MakePgon("PGON",med, -45.0,270.0,4,4);
TGeoPgon *pgon = (TGeoPgon*)(vol->GetShape());
pgon->DefineSection(0,-70,45,50);
pgon->DefineSection(1,0,35,40);
pgon->DefineSection(2,0,30,35);
pgon->DefineSection(3,70,90,100);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis == 2 || iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} if (iaxis) {
printf("Wrong division axis %d. Allowed range is 2-3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoPgon - pgon class");
text->SetTextColor(2);
AddMemberInfo(pt, "fPhi1", pgon->GetPhi1(), "lower phi limit");
AddMemberInfo(pt, "fDphi", pgon->GetDphi(), "phi range");
AddMemberInfo(pt, "fNedges",pgon->GetNedges(),"number of edges");
AddMemberInfo(pt, "fNz", pgon->GetNz(), "number of z planes");
for (Int_t j=0; j<pgon->GetNz(); j++) {
"fZ[%i]=%5.2f fRmin[%i]=%5.2f fRmax[%i]=%5.2f",
j,pgon->GetZ()[j],j,pgon->GetRmin()[j],j,pgon->GetRmax()[j]);
text = pt->AddText(line.Data());
text->SetTextColor(4);
text->SetTextAlign(12);
}
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "pgon", "2 or 3 (Phi, Z)");
pt->Draw();
c->cd(1);
// SavePicture("pgon",c,vol,iaxis,step);
}
//______________________________________________________________________________
void arb8()
{
auto c = create_canvas("An arbitrary polyhedron");
if (gGeoManager) delete gGeoManager;
new TGeoManager("arb8", "poza12");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoArb8 *arb = new TGeoArb8(20);
arb->SetVertex(0,-30,-25);
arb->SetVertex(1,-25,25);
arb->SetVertex(2,5,25);
arb->SetVertex(3,25,-25);
arb->SetVertex(4,-28,-23);
arb->SetVertex(5,-23,27);
arb->SetVertex(6,-23,27);
arb->SetVertex(7,13,-27);
TGeoVolume *vol = new TGeoVolume("ARB8",arb,med);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoArb8 - arb8 class");
text->SetTextColor(2);
AddMemberInfo(pt,"fDz",arb->GetDz(),"Z half length");
Double_t *vert = arb->GetVertices();
text = pt->AddText("Vertices on lower Z plane:");
text->SetTextColor(3);
for (Int_t i=0; i<4; i++) {
text = pt->AddText(TString::Format(" fXY[%d] = (%5.2f, %5.2f)", i, vert[2*i], vert[2*i+1]));
text->SetTextSize(0.043);
text->SetTextColor(4);
}
text = pt->AddText("Vertices on higher Z plane:");
text->SetTextColor(3);
for (Int_t i=4; i<8; i++) {
text = pt->AddText(TString::Format(" fXY[%d] = (%5.2f, %5.2f)", i, vert[2*i], vert[2*i+1]));
text->SetTextSize(0.043);
text->SetTextColor(4);
}
AddExecInfo(pt, "arb8");
pt->Draw();
c->cd(1);
// SavePicture("arb8",c,vol,iaxis,step);
}
//______________________________________________________________________________
void trd2(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A trapezoid with dX and dY varying with Z");
if (gGeoManager) delete gGeoManager;
new TGeoManager("trd2", "poza9");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeTrd2("Trd2",med, 10,20,30,10,40);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed is only 3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTrd2 *trd2 = (TGeoTrd2*)(vol->GetShape());
TText *text = pt->AddText("TGeoTrd2 - Trd2 class");
text->SetTextColor(2);
AddMemberInfo(pt,"fDx1",trd2->GetDx1(),"half length in X at lower Z surface(-dz)");
AddMemberInfo(pt,"fDx2",trd2->GetDx2(),"half length in X at higher Z surface(+dz)");
AddMemberInfo(pt,"fDy1",trd2->GetDy1(),"half length in Y at lower Z surface(-dz)");
AddMemberInfo(pt,"fDy2",trd2->GetDy2(),"half length in Y at higher Z surface(-dz)");
AddMemberInfo(pt,"fDz",trd2->GetDz(),"half length in Z");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "trd2", "only 3 (Z)");
pt->Draw();
c->cd(1);
// SavePicture("trd2",c,vol,iaxis,step);
}
//______________________________________________________________________________
void trap(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A more general trapezoid");
if (gGeoManager) delete gGeoManager;
new TGeoManager("trap", "poza10");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeTrap("Trap",med, 30,15,30,20,10,15,0,20,10,15,0);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed is only 3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoTrap *trap = (TGeoTrap*)(vol->GetShape());
TText *text = pt->AddText("TGeoTrap - Trapezoid class");
text->SetTextColor(2);
AddMemberInfo(pt,"fDz",trap->GetDz(),"half length in Z");
AddMemberInfo(pt,"fTheta",trap->GetTheta(),"theta angle of trapezoid axis");
AddMemberInfo(pt,"fPhi",trap->GetPhi(),"phi angle of trapezoid axis");
AddMemberInfo(pt,"fH1",trap->GetH1(),"half length in y at -fDz");
AddMemberInfo(pt,"fAlpha1",trap->GetAlpha1(),"angle between centers of x edges and y axis at -fDz");
AddMemberInfo(pt,"fBl1",trap->GetBl1(),"half length in x at -dZ and y=-fH1");
AddMemberInfo(pt,"fTl1",trap->GetTl1(),"half length in x at -dZ and y=+fH1");
AddMemberInfo(pt,"fH2",trap->GetH2(),"half length in y at +fDz");
AddMemberInfo(pt,"fBl2",trap->GetBl2(),"half length in x at +dZ and y=-fH1");
AddMemberInfo(pt,"fTl2",trap->GetTl2(),"half length in x at +dZ and y=+fH1");
AddMemberInfo(pt,"fAlpha2",trap->GetAlpha2(),"angle between centers of x edges and y axis at +fDz");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "trap", "only 3 (Z)");
pt->Draw();
c->cd(1);
// SavePicture("trap",c,vol,iaxis,step);
}
//______________________________________________________________________________
void gtra(Int_t iaxis=0, Int_t ndiv=8, Double_t start=0, Double_t step=0)
{
auto c = create_canvas("A twisted trapezoid");
if (gGeoManager) delete gGeoManager;
new TGeoManager("gtra", "poza11");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeGtra("Gtra",med, 30,15,30,30,20,10,15,0,20,10,15,0);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
if (iaxis == 3) {
TGeoVolume *slice = vol->Divide("SLICE",iaxis,ndiv,start,step);
if (!slice) return;
slice->SetLineColor(randomColor());
} else if (iaxis) {
printf("Wrong division axis %d. Allowed is only 3.\n", iaxis);
return;
}
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TGeoGtra *trap = (TGeoGtra*)(vol->GetShape());
TText *text = pt->AddText("TGeoGtra - Twisted trapezoid class");
text->SetTextColor(2);
AddMemberInfo(pt,"fDz",trap->GetDz(),"half length in Z");
AddMemberInfo(pt,"fTheta",trap->GetTheta(),"theta angle of trapezoid axis");
AddMemberInfo(pt,"fPhi",trap->GetPhi(),"phi angle of trapezoid axis");
AddMemberInfo(pt,"fTwist",trap->GetTwistAngle(), "twist angle");
AddMemberInfo(pt,"fH1",trap->GetH1(),"half length in y at -fDz");
AddMemberInfo(pt,"fAlpha1",trap->GetAlpha1(),"angle between centers of x edges and y axis at -fDz");
AddMemberInfo(pt,"fBl1",trap->GetBl1(),"half length in x at -dZ and y=-fH1");
AddMemberInfo(pt,"fTl1",trap->GetTl1(),"half length in x at -dZ and y=+fH1");
AddMemberInfo(pt,"fH2",trap->GetH2(),"half length in y at +fDz");
AddMemberInfo(pt,"fBl2",trap->GetBl2(),"half length in x at +dZ and y=-fH1");
AddMemberInfo(pt,"fTl2",trap->GetTl2(),"half length in x at +dZ and y=+fH1");
AddMemberInfo(pt,"fAlpha2",trap->GetAlpha2(),"angle between centers of x edges and y axis at +fDz");
AddFinderInfo(pt, vol->GetFinder(), iaxis);
AddExecInfo(pt, "gtra", "only 3 (Z)");
pt->Draw();
c->cd(1);
// SavePicture("gtra",c,vol,iaxis,step);
}
//______________________________________________________________________________
void xtru()
{
auto c = create_canvas("A twisted trapezoid");
if (gGeoManager) delete gGeoManager;
new TGeoManager("xtru", "poza12");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
TGeoVolume *vol = gGeoManager->MakeXtru("XTRU",med,4);
TGeoXtru *xtru = (TGeoXtru*)vol->GetShape();
Double_t x[8] = {-30,-30,30,30,15,15,-15,-15};
Double_t y[8] = {-30,30,30,-30,-30,15,15,-30};
xtru->DefinePolygon(8,x,y);
xtru->DefineSection(0,-40, -20., 10., 1.5);
xtru->DefineSection(1, 10, 0., 0., 0.5);
xtru->DefineSection(2, 10, 0., 0., 0.7);
xtru->DefineSection(3, 40, 10., 20., 0.9);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoXtru - Polygonal extrusion class");
text->SetTextColor(2);
AddMemberInfo(pt,"fNvert",xtru->GetNvert(),"number of polygone vertices");
AddMemberInfo(pt,"fNz",xtru->GetNz(),"number of Z sections");
pt->AddText("----- Any Z section is an arbitrary polygone");
pt->AddText("----- The shape can have an arbitrary number of Z sections, as for pcon/pgon");
pt->AddText("----- Create with: TGeoXtru *xtru = new TGeoXtru(nz);");
pt->AddText("----- Define the blueprint polygon :");
pt->AddText("----- Double_t x[8] = {-30,-30,30,30,15,15,-15,-15};");
pt->AddText("----- Double_t y[8] = {-30,30,30,-30,-30,15,15,-30};");
pt->AddText("----- xtru->DefinePolygon(8,x,y);");
pt->AddText("----- Define translations/scales of the blueprint for Z sections :");
pt->AddText("----- xtru->DefineSection(i, Zsection, x0, y0, scale);");
pt->AddText("----- Sections have to be defined in increasing Z order");
pt->AddText("----- 2 sections can be defined at same Z (not for first/last sections)");
AddExecInfo(pt, "xtru");
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void tessellated()
{
// Create a [triacontahedron solid](https://en.wikipedia.org/wiki/Rhombic_triacontahedron)
auto c = create_canvas("A tessellated shape");
if (gGeoManager) delete gGeoManager;
new TGeoManager("tessellated", "tessellated");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,10,10,10);
TGeoTessellated *tsl = new TGeoTessellated("triaconthaedron", 30);
const Double_t sqrt5 = TMath::Sqrt(5.);
std::vector<Tessellated::Vertex_t> vert;
vert.reserve(120);
vert.emplace_back(0, 0.5 * (1 + sqrt5), -1); vert.emplace_back(0, 0.5 * (-1 + sqrt5), 0.5 * (-1 - sqrt5)); vert.emplace_back(-1, 0, 0.5 * (-1 - sqrt5)); vert.emplace_back(-1, 1, -1);
vert.emplace_back(1, 1, -1); vert.emplace_back(0, 0.5 * (1 + sqrt5), -1); vert.emplace_back(0, 0.5 * (-1 + sqrt5), 0.5 * (-1 - sqrt5)); vert.emplace_back(1, 0, 0.5 * (-1 - sqrt5));
vert.emplace_back(1, 1, -1); vert.emplace_back(0, 0.5 * (1 + sqrt5), -1); vert.emplace_back(0.5 * (-1 + sqrt5), 0.5 * (1 + sqrt5), 0); vert.emplace_back(0.5 * (1 + sqrt5), 1, 0);
vert.emplace_back(0.5 * (1 - sqrt5), 0.5 * (1 + sqrt5), 0); vert.emplace_back(0, 0.5 * (1 + sqrt5), -1); vert.emplace_back(0.5 * (-1 + sqrt5), 0.5 * (1 + sqrt5), 0); vert.emplace_back(0, 0.5 * (1 + sqrt5), 1);
vert.emplace_back(0.5 * (1 - sqrt5), 0.5 * (1 + sqrt5), 0); vert.emplace_back(0, 0.5 * (1 + sqrt5), -1); vert.emplace_back(-1, 1, -1); vert.emplace_back(0.5 * (-1 - sqrt5), 1, 0);
vert.emplace_back(1, 1, -1); vert.emplace_back(0.5 * (1 + sqrt5), 1, 0); vert.emplace_back(0.5 * (1 + sqrt5), 0, 0.5 * (1 - sqrt5)); vert.emplace_back(1, 0, 0.5 * (-1 - sqrt5));
vert.emplace_back(0.5 * (1 + sqrt5), 0, 0.5 * (1 - sqrt5)); vert.emplace_back(0.5 * (1 + sqrt5), -1, 0); vert.emplace_back(1, -1, -1); vert.emplace_back(1, 0, 0.5 * (-1 - sqrt5));
vert.emplace_back(1, -1, -1); vert.emplace_back(0, 0.5 * (-1 - sqrt5), -1); vert.emplace_back(0, 0.5 * (1 - sqrt5), 0.5 * (-1 - sqrt5)); vert.emplace_back(1, 0, 0.5 * (-1 - sqrt5));
vert.emplace_back(1, 0, 0.5 * (-1 - sqrt5)); vert.emplace_back(0, 0.5 * (-1 + sqrt5), 0.5 * (-1 - sqrt5)); vert.emplace_back(-1, 0, 0.5 * (-1 - sqrt5)); vert.emplace_back(0, 0.5 * (1 - sqrt5), 0.5 * (-1 - sqrt5));
vert.emplace_back(0.5 * (-1 + sqrt5), 0.5 * (1 + sqrt5), 0); vert.emplace_back(0.5 * (1 + sqrt5), 1, 0); vert.emplace_back(1, 1, 1); vert.emplace_back(0, 0.5 * (1 + sqrt5), 1);
vert.emplace_back(0.5 * (1 + sqrt5), 1, 0); vert.emplace_back(1, 1, 1); vert.emplace_back(1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(0.5 * (1 + sqrt5), 0, 0.5 * (-1 + sqrt5));
vert.emplace_back(0.5 * (1 + sqrt5), 0, 0.5 * (1 - sqrt5)); vert.emplace_back(0.5 * (1 + sqrt5), 1, 0); vert.emplace_back(0.5 * (1 + sqrt5), 0, 0.5 * (-1 + sqrt5)); vert.emplace_back(0.5 * (1 + sqrt5), -1, 0);
vert.emplace_back(0.5 * (1 - sqrt5), 0.5 * (1 + sqrt5), 0); vert.emplace_back(0, 0.5 * (1 + sqrt5), 1); vert.emplace_back(-1, 1, 1); vert.emplace_back(0.5 * (-1 - sqrt5), 1, 0);
vert.emplace_back(0, 0.5 * (1 + sqrt5), 1); vert.emplace_back(0, 0.5 * (-1 + sqrt5), 0.5 * (1 + sqrt5)); vert.emplace_back(-1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(-1, 1, 1);
vert.emplace_back(1, 1, 1); vert.emplace_back(0, 0.5 * (1 + sqrt5), 1); vert.emplace_back(0, 0.5 * (-1 + sqrt5), 0.5 * (1 + sqrt5)); vert.emplace_back(1, 0, 0.5 * (1 + sqrt5));
vert.emplace_back(0, 0.5 * (1 - sqrt5), 0.5 * (1 + sqrt5)); vert.emplace_back(-1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(0, 0.5 * (-1 + sqrt5), 0.5 * (1 + sqrt5)); vert.emplace_back(1, 0, 0.5 * (1 + sqrt5));
vert.emplace_back(0, 0.5 * (1 - sqrt5), 0.5 * (1 + sqrt5)); vert.emplace_back(1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(1, -1, 1); vert.emplace_back(0, 0.5 * (-1 - sqrt5), 1);
vert.emplace_back(0.5 * (1 + sqrt5), 0, 0.5 * (-1 + sqrt5)); vert.emplace_back(0.5 * (1 + sqrt5), -1, 0); vert.emplace_back(1, -1, 1); vert.emplace_back(1, 0, 0.5 * (1 + sqrt5));
vert.emplace_back(-1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(-1, 1, 1); vert.emplace_back(0.5 * (-1 - sqrt5), 1, 0); vert.emplace_back(0.5 * (-1 - sqrt5), 0, 0.5 * (-1 + sqrt5));
vert.emplace_back(-1, -1, 1); vert.emplace_back(-1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(0.5 * (-1 - sqrt5), 0, 0.5 * (-1 + sqrt5)); vert.emplace_back(0.5 * (-1 - sqrt5), -1, 0);
vert.emplace_back(0, 0.5 * (1 - sqrt5), 0.5 * (1 + sqrt5)); vert.emplace_back(-1, 0, 0.5 * (1 + sqrt5)); vert.emplace_back(-1, -1, 1); vert.emplace_back(0, 0.5 * (-1 - sqrt5), 1);
vert.emplace_back(0.5 * (-1 - sqrt5), -1, 0); vert.emplace_back(0.5 * (-1 - sqrt5), 0, 0.5 * (1 - sqrt5)); vert.emplace_back(0.5 * (-1 - sqrt5), 1, 0); vert.emplace_back(0.5 * (-1 - sqrt5), 0, 0.5 * (-1 + sqrt5));
vert.emplace_back(0.5 * (-1 - sqrt5), -1, 0); vert.emplace_back(0.5 * (-1 - sqrt5), 0, 0.5 * (1 - sqrt5)); vert.emplace_back(-1, 0, 0.5 * (-1 - sqrt5)); vert.emplace_back(-1, -1, -1);
vert.emplace_back(0, 0.5 * (-1 - sqrt5), -1); vert.emplace_back(0.5 * (1 - sqrt5), 0.5 * (-1 - sqrt5), 0); vert.emplace_back(0.5 * (-1 - sqrt5), -1, 0); vert.emplace_back(-1, -1, -1);
vert.emplace_back(0.5 * (1 - sqrt5), 0.5 * (-1 - sqrt5), 0); vert.emplace_back(0.5 * (-1 - sqrt5), -1, 0); vert.emplace_back(-1, -1, 1); vert.emplace_back(0, 0.5 * (-1 - sqrt5), 1);
vert.emplace_back(-1, 1, -1); vert.emplace_back(-1, 0, 0.5 * (-1 - sqrt5)); vert.emplace_back(0.5 * (-1 - sqrt5), 0, 0.5 * (1 - sqrt5)); vert.emplace_back(0.5 * (-1 - sqrt5), 1, 0);
vert.emplace_back(0, 0.5 * (-1 - sqrt5), -1); vert.emplace_back(0, 0.5 * (1 - sqrt5), 0.5 * (-1 - sqrt5)); vert.emplace_back(-1, 0, 0.5 * (-1 - sqrt5)); vert.emplace_back(-1, -1, -1);
vert.emplace_back(0, 0.5 * (-1 - sqrt5), -1); vert.emplace_back(0.5 * (1 - sqrt5), 0.5 * (-1 - sqrt5), 0); vert.emplace_back(0, 0.5 * (-1 - sqrt5), 1); vert.emplace_back(0.5 * (-1 + sqrt5), 0.5 * (-1 - sqrt5), 0);
vert.emplace_back(1, -1, -1); vert.emplace_back(0.5 * (1 + sqrt5), -1, 0); vert.emplace_back(0.5 * (-1 + sqrt5), 0.5 * (-1 - sqrt5), 0); vert.emplace_back(0, 0.5 * (-1 - sqrt5), -1);
vert.emplace_back(0.5 * (1 + sqrt5), -1, 0); vert.emplace_back(1, -1, 1); vert.emplace_back(0, 0.5 * (-1 - sqrt5), 1); vert.emplace_back(0.5 * (-1 + sqrt5), 0.5 * (-1 - sqrt5), 0);
tsl->AddFacet(vert[0], vert[1], vert[2], vert[3]);
tsl->AddFacet(vert[4], vert[7], vert[6], vert[5]);
tsl->AddFacet(vert[8], vert[9], vert[10], vert[11]);
tsl->AddFacet(vert[12], vert[15], vert[14], vert[13]);
tsl->AddFacet(vert[16], vert[17], vert[18], vert[19]);
tsl->AddFacet(vert[20], vert[21], vert[22], vert[23]);
tsl->AddFacet(vert[24], vert[25], vert[26], vert[27]);
tsl->AddFacet(vert[28], vert[29], vert[30], vert[31]);
tsl->AddFacet(vert[32], vert[35], vert[34], vert[33]);
tsl->AddFacet(vert[36], vert[39], vert[38], vert[37]);
tsl->AddFacet(vert[40], vert[41], vert[42], vert[43]);
tsl->AddFacet(vert[44], vert[45], vert[46], vert[47]);
tsl->AddFacet(vert[48], vert[51], vert[50], vert[49]);
tsl->AddFacet(vert[52], vert[55], vert[54], vert[53]);
tsl->AddFacet(vert[56], vert[57], vert[58], vert[59]);
tsl->AddFacet(vert[60], vert[63], vert[62], vert[61]);
tsl->AddFacet(vert[64], vert[67], vert[66], vert[65]);
tsl->AddFacet(vert[68], vert[71], vert[70], vert[69]);
tsl->AddFacet(vert[72], vert[73], vert[74], vert[75]);
tsl->AddFacet(vert[76], vert[77], vert[78], vert[79]);
tsl->AddFacet(vert[80], vert[81], vert[82], vert[83]);
tsl->AddFacet(vert[84], vert[87], vert[86], vert[85]);
tsl->AddFacet(vert[88], vert[89], vert[90], vert[91]);
tsl->AddFacet(vert[92], vert[93], vert[94], vert[95]);
tsl->AddFacet(vert[96], vert[99], vert[98], vert[97]);
tsl->AddFacet(vert[100], vert[101], vert[102], vert[103]);
tsl->AddFacet(vert[104], vert[107], vert[106], vert[105]);
tsl->AddFacet(vert[108], vert[111], vert[110], vert[109]);
tsl->AddFacet(vert[112], vert[113], vert[114], vert[115]);
tsl->AddFacet(vert[116], vert[117], vert[118], vert[119]);
TGeoVolume *vol = new TGeoVolume("TRIACONTHAEDRON", tsl, med);
vol->SetLineColor(randomColor());
vol->SetLineWidth(2);
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoTessellated - Tessellated shape class");
text->SetTextColor(2);
AddMemberInfo(pt,"fNfacets",tsl->GetNfacets(),"number of facets");
AddMemberInfo(pt,"fNvertices",tsl->GetNvertices(),"number of vertices");
pt->AddText("----- A tessellated shape is defined by the number of facets");
pt->AddText("----- facets can be added using AddFacet");
pt->AddText("----- Create with: TGeoTessellated *tsl = new TGeoTessellated(nfacets);");
AddExecInfo(pt, "tessellated");
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void composite()
{
auto c = create_canvas("A Boolean shape composition");
if (gGeoManager) delete gGeoManager;
new TGeoManager("xtru", "poza12");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,100);
// define shape components with names
TGeoPgon *pgon = new TGeoPgon("pg",0.,360.,6,2);
pgon->DefineSection(0,0,0,20);
pgon->DefineSection(1, 30,0,20);
new TGeoSphere("sph", 40., 45.);
// define named geometrical transformations with names
TGeoTranslation *tr = new TGeoTranslation(0., 0., 45.);
tr->SetName("tr");
// register all used transformations
// create the composite shape based on a Boolean expression
TGeoCompositeShape *cs = new TGeoCompositeShape("mir", "sph:tr*pg");
TGeoVolume *vol = new TGeoVolume("COMP",cs);
vol->SetLineColor(randomColor());
top->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("TGeoCompositeShape - composite shape class");
text->SetTextColor(2);
pt->AddText("----- Define the shape components and don't forget to name them");
pt->AddText("----- Define geometrical transformations that apply to shape components");
pt->AddText("----- Name all transformations and register them");
pt->AddText("----- Define the composite shape based on a Boolean expression");
pt->AddText(" TGeoCompositeShape(\"someName\", \"expression\")");
pt->AddText("----- Expression is made of <shapeName:transfName> components related by Boolean operators");
pt->AddText("----- Boolean operators can be: (+) union, (-) subtraction and (*) intersection");
pt->AddText("----- Use parenthesis in the expression to force precedence");
AddExecInfo(pt, "composite");
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void ideal()
{
// This is an ideal geometry. In real life, some geometry pieces are moved/rotated
// with respect to their ideal positions. This is called alignment. Alignment
// operations can be handled by TGeo starting from a CLOSED geometry (applied a posteriori)
// Alignment is handled by PHYSICAL NODES, representing an unique object in geometry.
//
// Creating physical nodes:
// 1. TGeoPhysicalNode *node = gGeoManager->MakePhysicalNode(const char *path)
// - creates a physical node represented by path
// - path can be : TOP_1/A_2/B_3
// - B_3 is the 'final node' e.g. the logical node represented by this physical node
// 2. TGeoPhysicalNode *node = gGeoManager->MakePhysicalNode()
// - creates a physical node representing the current modeller state
// Setting visualisation options for TGeoPhysicalNode *node:
// 1. node->SetVisibility(Bool_t flag); // set node visible(*) or invisible
// 2. node->SetIsVolAtt(Bool_t flag); // set line attributes to match the ones of the volumes in the branch
// - default - TRUE
// - when called with FALSE - the attributes defined for the physical node will be taken
// node->SetLineColor(color);
// node->SetLineWidth(width);
// node->SetLineStyle(style);
// 3. node->SetVisibleFull(Bool_t flag); // not only last node in the branch is visible (default)
//
// Activating/deactivating physical nodes drawing - not needed in case of alignment
// Aligning physical nodes
//==========================
// node->Align(TGeoMatrix *newmat, TGeoShape *newshape, Bool_t check=kFALSE);
// newmat = new matrix to replace final node LOCAL matrix
// newshape = new shape to replace final node shape
// check = optional check if the new aligned node is overlapping
// gGeoManager->SetDrawExtraPaths(Bool_t flag)
auto c = create_canvas("Ideal geometry");
if (gGeoManager) delete gGeoManager;
new TGeoManager("alignment", "Ideal geometry");
TGeoMaterial *mat = new TGeoMaterial("Al", 26.98,13,2.7);
TGeoMedium *med = new TGeoMedium("MED",1,mat);
TGeoVolume *top = gGeoManager->MakeBox("TOP",med,100,100,10);
TGeoVolume *slicex = top->Divide("SX",1,10,-100,10);
TGeoVolume *slicey = slicex->Divide("SY",2,10,-100,10);
TGeoVolume *vol = gGeoManager->MakePgon("CELL",med,0.,360.,6,2);
TGeoPgon *pgon = (TGeoPgon*)(vol->GetShape());
pgon->DefineSection(0,-5,0.,2.);
pgon->DefineSection(1,5,0.,2.);
vol->SetLineColor(randomColor());
slicey->AddNode(vol,1);
top->Draw();
MakePicture();
if (!comments) return;
c->cd(2);
TPaveText *pt = new TPaveText(0.01,0.01,0.99,0.99);
TText *text = pt->AddText("Ideal / Aligned geometry");
text->SetTextColor(2);
pt->AddText("-- Create physical nodes for the objects you want to align");
pt->AddText("-- You must start from a valid CLOSED geometry");
pt->AddText(" TGeoPhysicalNode *node = gGeoManager->MakePhysicalNode(const char *path)");
pt->AddText(" + creates a physical node represented by path, e.g. TOP_1/A_2/B_3");
pt->AddText(" node->Align(TGeoMatrix *newmat, TGeoShape *newshape, Bool_t check=kFALSE)");
pt->AddText(" + newmat = new matrix to replace final node LOCAL matrix");
pt->AddText(" + newshape = new shape to replace final node shape");
pt->AddText(" + check = optional check if the new aligned node is overlapping");
pt->AddText(" ");
pt->SetAllWith("--","color",4);
pt->SetAllWith("--","font",72);
pt->SetAllWith("--","size",0.04);
pt->SetAllWith("+","color",2);
pt->SetAllWith("+","font",72);
pt->SetAllWith("+","size",0.04);
pt->SetTextSize(0.044);
pt->Draw();
c->cd(1);
}
//______________________________________________________________________________
void align()
{
if (!gGeoManager) return;
if (strcmp(gGeoManager->GetName(),"alignment")) {
printf("Click: <Ideal geometry> first\n");
return;
}
for (Int_t i=1; i<=10; i++) {
for (Int_t j=1; j<=10; j++) {
TGeoPhysicalNode *node = nullptr;
auto name = TString::Format("TOP_1/SX_%d/SY_%d/CELL_1",i,j);
if (list) node = (TGeoPhysicalNode*)list->At(10*(i-1)+j-1);
if (!node) node = gGeoManager->MakePhysicalNode(name.Data());
if (node->IsAligned()) {
tr = (TGeoTranslation*)node->GetNode()->GetMatrix();
tr->SetTranslation(2.*gRandom->Rndm(), 2.*gRandom->Rndm(),0.);
} else {
tr = new TGeoTranslation(2.*gRandom->Rndm(), 2.*gRandom->Rndm(),0.);
}
node->Align(tr);
}
}
if (gPad) {
gPad->Modified();
gPad->Update();
}
}
//______________________________________________________________________________
void geodemo ()
{
// root[0] .x geodemo.C
// root[1] box(); //draw a TGeoBBox with description
//
// The box can be divided on one axis.
//
// root[2] box(iaxis, ndiv, start, step);
//
// where: iaxis = 1,2 or 3, meaning (X,Y,Z) or (Rxy, phi, Z) depending on shape type
// ndiv = number of slices
// start = starting position (must be in shape range)
// step = division step
// If step=0, all range of a given axis will be divided
//
// The same can procedure can be performed for visualizing other shapes.
// When drawing one shape after another, the old geometry/canvas will be deleted.
TControlBar *bar = new TControlBar("vertical", "TGeo shapes",10,10);
bar->AddButton("How to run ","help()","Instructions for running this macro");
bar->AddButton("Arb8 ","arb8()","An arbitrary polyhedron defined by vertices (max 8) sitting on 2 parallel planes");
bar->AddButton("Box ","box()","A box shape.");
bar->AddButton("Composite ","composite()","A composite shape");
bar->AddButton("Cone ","cone()","A conical tube");
bar->AddButton("Cone segment","coneseg()","A conical segment");
bar->AddButton("Cut tube ","ctub()","A cut tube segment");
bar->AddButton("Elliptical tube","eltu()","An elliptical tube");
bar->AddButton("Extruded poly","xtru()","A general polygone extrusion");
bar->AddButton("Hyperboloid ","hype()","A hyperboloid");
bar->AddButton("Paraboloid ","parab()","A paraboloid");
bar->AddButton("Polycone ","pcon()","A polycone shape");
bar->AddButton("Polygone ","pgon()","A polygone");
bar->AddButton("Parallelepiped","para()","A parallelepiped shape");
bar->AddButton("Sphere ","sphere()","A spherical sector");
bar->AddButton("Trd1 ","trd1()","A trapezoid with dX varying with Z");
bar->AddButton("Trd2 ","trd2()","A trapezoid with both dX and dY varying with Z");
bar->AddButton("Trapezoid ","trap()","A general trapezoid");
bar->AddButton("Torus ","torus()","A toroidal segment");
bar->AddButton("Tube ","tube()","A tube with inner and outer radius");
bar->AddButton("Tube segment","tubeseg()","A tube segment");
bar->AddButton("Twisted trap","gtra()","A twisted trapezoid");
bar->AddButton("Tessellated ","tessellated()","A tessellated shape");
bar->AddButton("Aligned (ideal)","ideal()","An ideal (un-aligned) geometry");
bar->AddButton("Un-aligned","align()","Some alignment operation");
bar->AddButton("RAY-TRACE ON/OFF","raytrace()","Toggle ray-tracing mode");
bar->AddButton("COMMENTS ON/OFF","comments = !comments;","Toggle explanations pad ON/OFF");
bar->AddButton("AXES ON/OFF","axes()","Toggle axes ON/OFF");
bar->AddButton("AUTOROTATE ON/OFF","autorotate()","Toggle autorotation ON/OFF");
bar->Show();
gROOT->SaveContext();
gRandom = new TRandom3();
}
#define c(i)
Definition RSha256.hxx:101
bool Bool_t
Definition RtypesCore.h:63
int Int_t
Definition RtypesCore.h:45
constexpr Bool_t kFALSE
Definition RtypesCore.h:101
double Double_t
Definition RtypesCore.h:59
constexpr Bool_t kTRUE
Definition RtypesCore.h:100
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void value
Option_t Option_t TPoint TPoint const char text
char name[80]
Definition TGX11.cxx:110
R__EXTERN TGeoManager * gGeoManager
#define gROOT
Definition TROOT.h:407
R__EXTERN TRandom * gRandom
Definition TRandom.h:62
#define gPad
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
Definition TAttFill.h:37
virtual void SetLineColor(Color_t lcolor)
Set the line color.
Definition TAttLine.h:40
virtual void SetTextAlign(Short_t align=11)
Set the text alignment.
Definition TAttText.h:42
virtual void SetTextColor(Color_t tcolor=1)
Set the text color.
Definition TAttText.h:44
virtual void SetTextFont(Font_t tfont=62)
Set the text font.
Definition TAttText.h:46
virtual void SetTextSize(Float_t tsize=1)
Set the text size.
Definition TAttText.h:47
The Canvas class.
Definition TCanvas.h:23
A Control Bar is a fully user configurable tool which provides fast access to frequently used operati...
Definition TControlBar.h:26
void Show()
Show control bar.
void AddButton(TControlBarButton *button)
Add button.
An arbitrary trapezoid with less than 8 vertices standing on two parallel planes perpendicular to Z a...
Definition TGeoArb8.h:17
virtual void SetVertex(Int_t vnum, Double_t x, Double_t y)
Set values for a given vertex.
Double_t GetDz() const
Definition TGeoArb8.h:66
Double_t * GetVertices()
Definition TGeoArb8.h:71
void SetVisRaytrace(Bool_t flag=kTRUE)
Definition TGeoAtt.h:66
Box class.
Definition TGeoBBox.h:17
virtual Double_t GetDZ() const
Definition TGeoBBox.h:81
Composite shapes are Boolean combinations of two or more shape components.
A cone segment is a cone having a range in phi.
Definition TGeoCone.h:99
Double_t GetPhi1() const
Definition TGeoCone.h:166
Double_t GetPhi2() const
Definition TGeoCone.h:167
The cones are defined by 5 parameters:
Definition TGeoCone.h:17
virtual Double_t GetRmax2() const
Definition TGeoCone.h:79
virtual Double_t GetRmin2() const
Definition TGeoCone.h:78
virtual Double_t GetRmin1() const
Definition TGeoCone.h:76
virtual Double_t GetRmax1() const
Definition TGeoCone.h:77
An elliptical tube is defined by the two semi-axes A and B.
Definition TGeoEltu.h:17
virtual Double_t GetA() const
Definition TGeoEltu.h:47
virtual Double_t GetB() const
Definition TGeoEltu.h:48
A twisted trapezoid.
Definition TGeoArb8.h:149
Double_t GetTwistAngle() const
Definition TGeoArb8.h:171
A hyperboloid is represented as a solid limited by two planes perpendicular to the Z axis (top and bo...
Definition TGeoHype.h:17
Double_t GetStIn() const
Definition TGeoHype.h:72
Double_t GetStOut() const
Definition TGeoHype.h:73
The manager class for any TGeo geometry.
Definition TGeoManager.h:44
TGeoVolume * MakeCone(const char *name, TGeoMedium *medium, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2)
Make in one step a volume pointing to a cone shape with given medium.
TGeoVolume * MakeXtru(const char *name, TGeoMedium *medium, Int_t nz)
Make a TGeoXtru-shaped volume with nz planes.
TGeoVolume * MakePcon(const char *name, TGeoMedium *medium, Double_t phi, Double_t dphi, Int_t nz)
Make in one step a volume pointing to a polycone shape with given medium.
TGeoVolume * MakeTube(const char *name, TGeoMedium *medium, Double_t rmin, Double_t rmax, Double_t dz)
Make in one step a volume pointing to a tube shape with given medium.
TGeoVolume * MakeCons(const char *name, TGeoMedium *medium, Double_t dz, Double_t rmin1, Double_t rmax1, Double_t rmin2, Double_t rmax2, Double_t phi1, Double_t phi2)
Make in one step a volume pointing to a cone segment shape with given medium.
TVirtualGeoPainter * GetGeomPainter()
Make a default painter if none present. Returns pointer to it.
TGeoVolume * MakePara(const char *name, TGeoMedium *medium, Double_t dx, Double_t dy, Double_t dz, Double_t alpha, Double_t theta, Double_t phi)
Make in one step a volume pointing to a parallelepiped shape with given medium.
TGeoPhysicalNode * MakePhysicalNode(const char *path=nullptr)
Makes a physical node corresponding to a path.
TGeoVolume * MakeTorus(const char *name, TGeoMedium *medium, Double_t r, Double_t rmin, Double_t rmax, Double_t phi1=0, Double_t dphi=360)
Make in one step a volume pointing to a torus shape with given medium.
void CloseGeometry(Option_t *option="d")
Closing geometry implies checking the geometry validity, fixing shapes with negative parameters (run-...
TGeoVolume * MakeTrd2(const char *name, TGeoMedium *medium, Double_t dx1, Double_t dx2, Double_t dy1, Double_t dy2, Double_t dz)
Make in one step a volume pointing to a TGeoTrd2 shape with given medium.
TGeoVolume * MakeGtra(const char *name, TGeoMedium *medium, Double_t dz, Double_t theta, Double_t phi, Double_t twist, Double_t h1, Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2, Double_t tl2, Double_t alpha2)
Make in one step a volume pointing to a twisted trapezoid shape with given medium.
TGeoVolume * MakeBox(const char *name, TGeoMedium *medium, Double_t dx, Double_t dy, Double_t dz)
Make in one step a volume pointing to a box shape with given medium.
TGeoVolume * MakeTrd1(const char *name, TGeoMedium *medium, Double_t dx1, Double_t dx2, Double_t dy, Double_t dz)
Make in one step a volume pointing to a TGeoTrd1 shape with given medium.
TGeoVolume * MakeSphere(const char *name, TGeoMedium *medium, Double_t rmin, Double_t rmax, Double_t themin=0, Double_t themax=180, Double_t phimin=0, Double_t phimax=360)
Make in one step a volume pointing to a sphere shape with given medium.
void SetTopVolume(TGeoVolume *vol)
Set the top volume and corresponding node as starting point of the geometry.
TGeoVolume * MakeCtub(const char *name, TGeoMedium *medium, Double_t rmin, Double_t rmax, Double_t dz, Double_t phi1, Double_t phi2, Double_t lx, Double_t ly, Double_t lz, Double_t tx, Double_t ty, Double_t tz)
Make in one step a volume pointing to a tube segment shape with given medium.
TGeoVolume * MakePgon(const char *name, TGeoMedium *medium, Double_t phi, Double_t dphi, Int_t nedges, Int_t nz)
Make in one step a volume pointing to a polygone shape with given medium.
TGeoVolume * MakeTrap(const char *name, TGeoMedium *medium, Double_t dz, Double_t theta, Double_t phi, Double_t h1, Double_t bl1, Double_t tl1, Double_t alpha1, Double_t h2, Double_t bl2, Double_t tl2, Double_t alpha2)
Make in one step a volume pointing to a trapezoid shape with given medium.
void SetNsegments(Int_t nseg)
Set number of segments for approximating circles in drawing.
TGeoVolume * GetTopVolume() const
TObjArray * GetListOfPhysicalNodes()
TGeoVolume * MakeHype(const char *name, TGeoMedium *medium, Double_t rin, Double_t stin, Double_t rout, Double_t stout, Double_t dz)
Make in one step a volume pointing to a tube shape with given medium.
TGeoVolume * MakeParaboloid(const char *name, TGeoMedium *medium, Double_t rlo, Double_t rhi, Double_t dz)
Make in one step a volume pointing to a tube shape with given medium.
TGeoVolume * MakeTubs(const char *name, TGeoMedium *medium, Double_t rmin, Double_t rmax, Double_t dz, Double_t phi1, Double_t phi2)
Make in one step a volume pointing to a tube segment shape with given medium.
TGeoVolume * MakeEltu(const char *name, TGeoMedium *medium, Double_t a, Double_t b, Double_t dz)
Make in one step a volume pointing to a tube shape with given medium.
Base class describing materials.
virtual void RegisterYourself()
Register the matrix in the current manager, which will become the owner.
Media are used to store properties related to tracking and which are useful only when using geometry ...
Definition TGeoMedium.h:23
virtual TGeoMatrix * GetMatrix() const =0
Parallelepiped class.
Definition TGeoPara.h:17
Double_t GetZ() const
Definition TGeoPara.h:68
Double_t GetPhi() const
Definition TGeoPara.h:71
Double_t GetAlpha() const
Definition TGeoPara.h:69
Double_t GetX() const
Definition TGeoPara.h:66
Double_t GetY() const
Definition TGeoPara.h:67
Double_t GetTheta() const
Definition TGeoPara.h:70
A paraboloid is defined by the revolution surface generated by a parabola and is bounded by two plane...
Double_t GetDz() const
Double_t GetRhi() const
Double_t GetRlo() const
Base finder class for patterns.
Int_t GetNdiv() const
TGeoVolume * GetVolume() const
Double_t GetStep() const
Double_t GetStart() const
A polycone is represented by a sequence of tubes/cones, glued together at defined Z planes.
Definition TGeoPcon.h:17
Double_t * GetRmax() const
Definition TGeoPcon.h:82
Double_t GetDphi() const
Definition TGeoPcon.h:77
virtual void DefineSection(Int_t snum, Double_t z, Double_t rmin, Double_t rmax)
Defines z position of a section plane, rmin and rmax at this z.
Definition TGeoPcon.cxx:684
Double_t * GetZ() const
Definition TGeoPcon.h:84
Int_t GetNz() const
Definition TGeoPcon.h:78
Double_t * GetRmin() const
Definition TGeoPcon.h:80
Double_t GetPhi1() const
Definition TGeoPcon.h:76
Polygons are defined in the same way as polycones, the difference being just that the segments betwee...
Definition TGeoPgon.h:20
Int_t GetNedges() const
Definition TGeoPgon.h:93
Physical nodes are the actual 'touchable' objects in the geometry, representing a path of positioned ...
Bool_t IsAligned() const
TGeoNode * GetNode(Int_t level=-1) const
Return node in branch at LEVEL. If not specified, return last leaf.
Bool_t Align(TGeoMatrix *newmat=nullptr, TGeoShape *newshape=nullptr, Bool_t check=kFALSE, Double_t ovlp=0.001)
Align a physical node with a new relative matrix/shape.
Base abstract class for all shapes.
Definition TGeoShape.h:25
virtual const char * GetAxisName(Int_t iaxis) const =0
TGeoSphere are not just balls having internal and external radii, but sectors of a sphere having defi...
Definition TGeoSphere.h:17
Double_t GetPhi1() const
Definition TGeoSphere.h:76
Double_t GetPhi2() const
Definition TGeoSphere.h:77
virtual Double_t GetRmin() const
Definition TGeoSphere.h:72
Double_t GetTheta2() const
Definition TGeoSphere.h:75
virtual Double_t GetRmax() const
Definition TGeoSphere.h:73
Double_t GetTheta1() const
Definition TGeoSphere.h:74
Tessellated solid class.
int GetNvertices() const
bool AddFacet(const Vertex_t &pt0, const Vertex_t &pt1, const Vertex_t &pt2)
Adding a triangular facet from vertex positions in absolute coordinates.
int GetNfacets() const
The torus is defined by its axial radius, its inner and outer radius.
Definition TGeoTorus.h:17
Double_t GetRmax() const
Definition TGeoTorus.h:75
Double_t GetRmin() const
Definition TGeoTorus.h:74
Double_t GetR() const
Definition TGeoTorus.h:73
Double_t GetPhi1() const
Definition TGeoTorus.h:76
Double_t GetDphi() const
Definition TGeoTorus.h:77
Class describing translations.
Definition TGeoMatrix.h:116
void SetTranslation(Double_t dx, Double_t dy, Double_t dz)
Set translation components.
A general trapezoid.
Definition TGeoArb8.h:96
Double_t GetTl1() const
Definition TGeoArb8.h:134
Double_t GetPhi() const
Definition TGeoArb8.h:131
Double_t GetAlpha2() const
Definition TGeoArb8.h:139
Double_t GetTheta() const
Definition TGeoArb8.h:130
Double_t GetAlpha1() const
Definition TGeoArb8.h:135
Double_t GetBl2() const
Definition TGeoArb8.h:137
Double_t GetTl2() const
Definition TGeoArb8.h:138
Double_t GetH1() const
Definition TGeoArb8.h:132
Double_t GetH2() const
Definition TGeoArb8.h:136
Double_t GetBl1() const
Definition TGeoArb8.h:133
A trapezoid with only X varying with Z.
Definition TGeoTrd1.h:17
Double_t GetDy() const
Definition TGeoTrd1.h:60
Double_t GetDx2() const
Definition TGeoTrd1.h:59
Double_t GetDz() const
Definition TGeoTrd1.h:61
Double_t GetDx1() const
Definition TGeoTrd1.h:58
A trapezoid with only X varying with Z.
Definition TGeoTrd2.h:17
Double_t GetDy2() const
Definition TGeoTrd2.h:62
Double_t GetDy1() const
Definition TGeoTrd2.h:61
Double_t GetDx2() const
Definition TGeoTrd2.h:60
Double_t GetDz() const
Definition TGeoTrd2.h:63
Double_t GetDx1() const
Definition TGeoTrd2.h:59
A tube segment is a tube having a range in phi.
Definition TGeoTube.h:94
Double_t GetPhi2() const
Definition TGeoTube.h:155
Double_t GetPhi1() const
Definition TGeoTube.h:154
Cylindrical tube class.
Definition TGeoTube.h:17
virtual Double_t GetRmin() const
Definition TGeoTube.h:72
virtual Double_t GetDz() const
Definition TGeoTube.h:74
virtual Double_t GetRmax() const
Definition TGeoTube.h:73
TGeoVolume, TGeoVolumeMulti, TGeoVolumeAssembly are the volume classes.
Definition TGeoVolume.h:43
virtual void cd(Int_t inode) const
Actualize matrix of node indexed <inode>
void SetLineWidth(Width_t lwidth) override
Set the line width.
virtual TGeoNode * AddNode(TGeoVolume *vol, Int_t copy_no, TGeoMatrix *mat=nullptr, Option_t *option="")
Add a TGeoNode to the list of nodes.
void Draw(Option_t *option="") override
draw top volume according to option
TGeoPatternFinder * GetFinder() const
Definition TGeoVolume.h:177
void SetLineColor(Color_t lcolor) override
Set the line color.
TGeoShape * GetShape() const
Definition TGeoVolume.h:190
virtual TGeoVolume * Divide(const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step, Int_t numed=0, Option_t *option="")
Division a la G3.
Bool_t IsRaytracing() const
Check if the painter is currently ray-tracing the content of this volume.
A TGeoXtru shape is represented by the extrusion of an arbitrary polygon with fixed outline between s...
Definition TGeoXtru.h:22
Int_t GetNvert() const
Definition TGeoXtru.h:96
Bool_t DefinePolygon(Int_t nvert, const Double_t *xv, const Double_t *yv)
Creates the polygon representing the blueprint of any Xtru section.
Definition TGeoXtru.cxx:759
virtual void DefineSection(Int_t snum, Double_t z, Double_t x0=0., Double_t y0=0., Double_t scale=1.)
defines z position of a section plane, rmin and rmax at this z.
Definition TGeoXtru.cxx:793
Int_t GetNz() const
Definition TGeoXtru.h:95
const char * GetName() const override
Returns name of object.
Definition TNamed.h:47
virtual void SetName(const char *name)
Set the name of the TNamed.
Definition TNamed.cxx:140
An array of TObjects.
Definition TObjArray.h:31
TObject * At(Int_t idx) const override
Definition TObjArray.h:164
Mother of all ROOT objects.
Definition TObject.h:41
virtual void Clear(Option_t *="")
Definition TObject.h:119
virtual TObject * FindObject(const char *name) const
Must be redefined in derived classes.
Definition TObject.cxx:403
TObject * FindObject(const char *name) const override
Search if object named name is inside this pad or in pads inside this pad.
Definition TPad.cxx:2647
A Pave (see TPave) with text, lines or/and boxes inside.
Definition TPaveText.h:21
virtual TText * AddText(Double_t x1, Double_t y1, const char *label)
Add a new Text line to this pavetext at given coordinates.
virtual void SetAllWith(const char *text, Option_t *option, Double_t value)
Set attribute option for all lines containing string text.
void Draw(Option_t *option="") override
Draw this pavetext with its current attributes.
Bool_t ProcessEvents()
Process events if timer did time out.
Definition TSystem.cxx:92
Random number generator class based on M.
Definition TRandom3.h:27
Double_t Rndm() override
Machine independent random number generator.
Definition TRandom.cxx:559
Basic string class.
Definition TString.h:139
const char * Data() const
Definition TString.h:376
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
Definition TString.cxx:2378
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Definition TString.cxx:2356
Base class for several text objects.
Definition TText.h:22
See TView3D.
Definition TView.h:25
virtual Double_t GetPsi()=0
virtual Double_t GetLongitude()=0
virtual void ShowAxis()=0
virtual Double_t GetLatitude()=0
virtual void SetView(Double_t longitude, Double_t latitude, Double_t psi, Int_t &irep)=0
Abstract class for geometry painters.
TPaveText * pt
TLine * line
void box(Int_t pat, Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Definition fillpatterns.C:1
Double_t y[n]
Definition legend1.C:17
Double_t x[n]
Definition legend1.C:17
Double_t Sqrt(Double_t x)
Returns the square root of x.
Definition TMath.h:662
Double_t Cos(Double_t)
Returns the cosine of an angle of x radians.
Definition TMath.h:594
constexpr Double_t Pi()
Definition TMath.h:37
Double_t Sin(Double_t)
Returns the sine of an angle of x radians.
Definition TMath.h:588
Author
Andrei Gheata

Definition in file geodemo.C.