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#include <fstream>
#include <cstring>
#include <cerrno>
#include <string>
#include <sstream>
#include <map>
#include <TGeoManager.h>
#include <TColor.h>
#include <TObjArray.h>
#include <TGeoVolume.h>
#include <TGDMLParse.h>
using namespace std;
TGeoVolume* gdml_root(const char* sys_name) {
bool debug_processing = false;
TGeoManager* geo = new TGeoManager();
string system = sys_name;
string gdml_file = system+".gdml";
string vis_file = system+".vis.csv";
map<string,TGeoVolume*> vol_map;
ifstream in(vis_file.c_str());
TGDMLParse parse;
cout << "++ Processing gdml file:" << gdml_file << endl;
TGeoVolume* top_vol = parse.GDMLReadFile(gdml_file.c_str());
TObjArray* vols = gGeoManager->GetListOfVolumes();
for(int i=0;i<vols->GetEntries();++i) {
TGeoVolume* v=(TGeoVolume*)vols->At(i);
vol_map.insert(make_pair(v->GetName(),v));
}
if ( !in.good() )
cout << "++ Failed to open visualization file:" << vis_file
<< " :: " << strerror(errno) << endl;
else
cout << "++ Processing visualization file:" << vis_file << endl;
while(in.good() ) {
stringstream debug;
char text[1024], *line;
const char* vol_name="";
float red = 0, blue = 0, green = 0;
bool visible = false, show_daughters = false;
string line_style="solid", drawing_style="solid";
map<string,TGeoVolume*>::iterator vit;
in.getline(text,sizeof(text),'\n');
line = strtok(text,";");
debug << "+ Process:";
for(int count=0; line != 0; ++count, line=::strtok(0,";")) {
debug << line << " ";
switch(count) {
case 0:
vol_name = line+::strlen("vol:");
break;
case 1:
break;
case 2:
line += ::strlen("visible:");
visible = *line=='1';
break;
case 3:
line += ::strlen("r:");
red = atof(line);
break;
case 4:
line += ::strlen("g:");
green = atof(line);
break;
case 5:
line += ::strlen("b:");
blue = atof(line);
break;
case 6:
line += ::strlen("alpha:");
//alpha = atof(line);
break;
case 7:
line_style = line+::strlen("line_style:");
break;
case 8:
drawing_style = line+::strlen("drawing_style:");
break;
case 9:
line += ::strlen("show_daughters:");
show_daughters = *line=='1';
break;
default:
break;
}
}
if ( debug_processing ) cout << debug.str() << endl;
debug.str("");
if ( vol_name && ::strlen(vol_name) && (vit=vol_map.find(vol_name)) != vol_map.end() ) {
TGeoVolume* volume = (*vit).second;
int color = TColor::GetColor(red,green,blue);
Color_t bright = TColor::GetColorBright(color);
Color_t dark = TColor::GetColorDark(color);
debug << "+ \tr:" << red << " g:" << green << " b:" << blue << " col:" << color
<< " line_style:" << line_style << " drawing_style:" << drawing_style
<< " visible:" << visible << " show_daughters:" << show_daughters;
volume->SetLineColor(dark);
if ( drawing_style == "solid" ) {
volume->SetFillColor(bright);
volume->SetFillStyle(1001); // Root: solid
}
else {
//volume->SetFillColor(bright);
volume->SetFillColor(0);
volume->SetFillStyle(0); // Root: hollow
}
if ( line_style == "unbroken" )
volume->SetFillStyle(1);
else
volume->SetFillStyle(2);
volume->SetLineWidth(10);
volume->SetVisibility(visible ? kTRUE : kFALSE);
volume->SetAttBit(TGeoAtt::kVisContainers,kTRUE);
volume->SetVisDaughters(show_daughters ? kTRUE : kFALSE);
}
else {
cout << endl << "++ Failed to find volume with name:" << vol_name;
}
if ( debug_processing ) cout << debug.str() << endl;
}
cout << "++ Closing geometry and starting display...." << endl;
geo->SetTopVolume(top_vol);
geo->CloseGeometry();
geo->SetVisLevel(4);
geo->SetVisOption(1);
top_vol->Draw("ogl");
return top_vol;
}