MPCOrbFile Class Reference

MPC asteroids database file. More...

#include <orsa_file.h>

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Collaboration diagram for MPCOrbFile:

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List of all members.

Public Member Functions

 MPCOrbFile ()
 ~MPCOrbFile ()
void Read ()
virtual void read_progress (int, bool &, bool &)
virtual void read_finished ()
void Open ()
void Close ()
virtual std::string GetFileName () const
virtual void SetFileName (std::string name_in)
virtual void SetFileName (char *name_in)

Public Attributes

AsteroidDatabasedb

Protected Attributes

std::string filename
FILE_TYPE file
FILE_STATUS status


Detailed Description

MPC asteroids database file.

Definition at line 343 of file orsa_file.h.


Constructor & Destructor Documentation

MPCOrbFile (  ) 

Definition at line 381 of file orsa_file.cc.

References AsteroidDatabaseFile::db.

00381                          : AsteroidDatabaseFile() {
00382     db = new AsteroidDatabase();
00383   }

~MPCOrbFile (  ) 

Definition at line 385 of file orsa_file.cc.

References AsteroidDatabaseFile::db.

00385                           {
00386     delete db;
00387     db = 0;
00388   }


Member Function Documentation

void Read (  )  [virtual]

Implements ReadFile.

Definition at line 390 of file orsa_file.cc.

References Orbit::a, orsa::AU, OrbitWithEpoch::Compute(), AsteroidDatabaseFile::db, Orbit::e, orsa::ECLIPTIC, orsa::EclipticToEquatorial_J2000(), OrbitWithEpoch::epoch, orsa::EQUATORIAL, File::file, orsa::FromUnits(), orsa::GetG(), orsa::GetMSun(), Universe::GetReferenceSystem(), GETS_FILE, Orbit::i, Orbit::M, orsa::M, Asteroid::mag, Orbit::mu, Asteroid::n, Asteroid::name, Orbit::omega_node, Orbit::omega_pericenter, ReadFile::Open(), orsa::OPEN_R, Asteroid::orb, ORSA_ERROR, orsa::pi, AsteroidDatabaseFile::read_finished(), AsteroidDatabaseFile::read_progress(), OrbitWithEpoch::RelativePosVel(), orsa::remove_leading_trailing_spaces(), REWIND_FILE, UniverseTypeAwareTime::SetDate(), Date::SetGregor(), File::status, orsa::TDT, and orsa::universe.

00390                         {
00391     
00392     Open();
00393     
00394     if (status != OPEN_R) {
00395       ORSA_ERROR("Status error!");
00396       return;
00397     }
00398     
00399     db->clear();
00400     
00401     // Body orb_ref_body("",GetMSun());
00402     
00403     // unsigned int local_index;
00404     
00405     char line[300];
00406     
00407     double a,e,i,omega_node,omega_pericenter,M;
00408     // int    n;
00409     string number,name,orbit_computer,absolute_magnitude,arc,numobs,epoch;
00410     string mean_anomaly,pericenter,node,inclination,eccentricity,semimajor_axis;
00411     // string ceu;
00412     
00413     string year,month,day;
00414     int    y=0,m=0,d=0;
00415     
00416     // AstorbDataEntry ast;
00417     Asteroid ast;
00418     
00419     unsigned int local_index = 0;
00420     bool bool_stop=false;
00421     bool bool_pause=false;
00422 
00423     REWIND_FILE(file);
00424     
00425     // Date tmp_date(TDT);
00426     Date tmp_date;
00427     
00428     /* // skip header, not needed with the check on (strlen(line) < 201)...
00429        do { 
00430        GETS_FILE(line,300,file);
00431        } while (line[0] != '-');
00432        cerr << "below the header..." << endl;
00433     */
00434     
00435     while ( (GETS_FILE(line,300,file)) != 0 ) {
00436       
00437       // cerr << "line: -->" << line << "<--" << endl; 
00438       
00439       ++local_index;
00440       
00441       if (strlen(line) < 201) continue; // not a good line, maybe a comment or a white line...
00442       
00443       // cerr << "strlen(line): " << strlen(line) << endl;
00444       
00445       // cerr << "line: -->" << line << "<--" << endl; 
00446       
00447       read_progress(local_index,bool_pause,bool_stop);
00448       
00449       if (bool_stop) break;
00450       
00451       while (bool_pause) {
00452         sleep(1);
00453         read_progress(local_index,bool_pause,bool_stop);
00454       }
00455       
00456       // uncomment the ones used
00457       number.assign(line,0,7);
00458       absolute_magnitude.assign(line,8,5);
00459       epoch.assign(line,20,5);
00460       //
00461       mean_anomaly.assign(line,26,9);
00462       pericenter.assign(line,37,9);
00463       node.assign(line,48,9);
00464       inclination.assign(line,59,9);
00465       eccentricity.assign(line,70,9);
00466       semimajor_axis.assign(line,92,11);
00467       //
00468       numobs.assign(line,117,5);
00469       orbit_computer.assign(line,150,10);
00470       
00471       if (strlen(line) > 160) {
00472         name.assign(line,166,28);
00473       } else {
00474         name = "";      
00475       }
00476       
00477       // conversions
00478       
00479       {
00480         // remove -->(NUMBER)<--
00481         
00482         string::size_type pos_open  = name.find("(",0);
00483         string::size_type pos_close = name.find(")",0);
00484         
00485         if ( (pos_open  != pos_close) &&
00486              (pos_open  != string::npos) &&
00487              (pos_close != string::npos) ) {
00488           
00489           name.erase(pos_open,pos_close-pos_open+1);
00490         }
00491       }    
00492       //
00493       ast.name = name;
00494       remove_leading_trailing_spaces(ast.name);
00495       
00496       // ast.n = 0; // arbitrary, for the moment
00497       ast.n = atoi(number.c_str());
00498       
00499       ast.mag  = atof(absolute_magnitude.c_str());
00500          
00501       a                = atof(semimajor_axis.c_str());
00502       e                = atof(eccentricity.c_str());
00503       i                = (pi/180)*atof(inclination.c_str());
00504       omega_node       = (pi/180)*atof(node.c_str());
00505       omega_pericenter = (pi/180)*atof(pericenter.c_str());
00506       M                = (pi/180)*atof(mean_anomaly.c_str());
00507       
00508       ast.orb.a                = FromUnits(a,AU);
00509       ast.orb.e                = e;
00510       ast.orb.i                = i;
00511       ast.orb.omega_node       = omega_node;
00512       ast.orb.omega_pericenter = omega_pericenter;
00513       ast.orb.M                = M;
00514 
00515       int ch;
00516       // cerr << "epoch string: " << epoch << endl;
00517       //// epoch
00518       // year
00519       year.assign(epoch,0,1);
00520       ch = (int)year.c_str()[0];
00521       // cerr << "ch: " << ch << "  " << ((int)('I')) << endl;
00522       switch (ch) {
00523       case 'I': y=1800; break; 
00524       case 'J': y=1900; break;
00525       case 'K': y=2000; break;
00526       }
00527       //
00528       year.assign(epoch,1,2);
00529       y += atoi(year.c_str());
00530       // month
00531       month.assign(epoch,3,1);
00532       ch = (int)month.c_str()[0];
00533       switch (ch) {
00534       case '1': m=1;  break;
00535       case '2': m=2;  break;
00536       case '3': m=3;  break;
00537       case '4': m=4;  break;
00538       case '5': m=5;  break;
00539       case '6': m=6;  break;
00540       case '7': m=7;  break;
00541       case '8': m=8;  break;
00542       case '9': m=9;  break;
00543       case 'A': m=10; break; 
00544       case 'B': m=11; break;
00545       case 'C': m=12; break;
00546       }
00547       // day
00548       day.assign(epoch,4,1);
00549       ch = (int)day.c_str()[0];
00550       switch (ch) {
00551       case '1': d=1;  break;
00552       case '2': d=2;  break;
00553       case '3': d=3;  break;
00554       case '4': d=4;  break;
00555       case '5': d=5;  break;
00556       case '6': d=6;  break;
00557       case '7': d=7;  break;
00558       case '8': d=8;  break;
00559       case '9': d=9;  break;
00560       case 'A': d=10; break; 
00561       case 'B': d=11; break;
00562       case 'C': d=12; break;
00563       case 'D': d=13; break;
00564       case 'E': d=14; break;
00565       case 'F': d=15; break;
00566       case 'G': d=16; break;
00567       case 'H': d=17; break;
00568       case 'I': d=18; break;
00569       case 'J': d=19; break;
00570       case 'K': d=20; break;
00571       case 'L': d=21; break;
00572       case 'M': d=22; break;
00573       case 'N': d=23; break;
00574       case 'O': d=24; break;
00575       case 'P': d=25; break;
00576       case 'Q': d=26; break;
00577       case 'R': d=27; break;
00578       case 'S': d=28; break;
00579       case 'T': d=29; break;
00580       case 'U': d=30; break;
00581       case 'V': d=31; break;
00582       }
00583       //
00584       // cerr << "MPC::Read() --> y: " << y << "  m: " << m << "  d: " << d << endl;
00585       // ast.orb.time = FromUnits(GregorianToSdn(y,m,d)-0.5,DAY);
00586       tmp_date.SetGregor(y,m,d,TDT);
00587       ast.orb.epoch.SetDate(tmp_date);
00588       
00589       // ast.orb.T = sqrt(4*pisq/(GetG()*GetMSun())*pow(FromUnits(ast.orb.a,AU),3));
00590       ast.orb.mu = GetG()*GetMSun();
00591       // ast.orb.ref_body.mass=GetMSun();
00592       // ast.orb.ref_body = Body("",GetMSun());
00593       // ast.orb.ref_body = orb_ref_body;
00594       
00595       /* 
00596          switch (universe->GetReferenceSystem()) {
00597          case ECLIPTIC: break;
00598          case EQUATORIAL:
00599          { 
00600          // cerr << "Rotating astorb orbit..." << endl;
00601          const double obleq_rad = obleq(tmp_date).GetRad();
00602          Vector position,velocity;
00603          ast.orb.RelativePosVel(position,velocity);
00604          position.rotate(0.0,obleq_rad,0.0);
00605          velocity.rotate(0.0,obleq_rad,0.0);
00606          ast.orb.Compute(position,velocity,ast.orb.mu,ast.orb.epoch);
00607          }
00608          break;
00609          }
00610       */
00611       
00612       switch (universe->GetReferenceSystem()) {
00613       case ECLIPTIC: break;
00614       case EQUATORIAL:
00615         { 
00616           Vector position,velocity;
00617           ast.orb.RelativePosVel(position,velocity);
00618           EclipticToEquatorial_J2000(position);
00619           EclipticToEquatorial_J2000(velocity);
00620           ast.orb.Compute(position,velocity,ast.orb.mu,ast.orb.epoch);
00621         }
00622         break;
00623       }
00624       
00625       // cerr << "adding object: " << ast.name << "  a: " << ast.orb.a << endl;
00626       
00627       db->push_back(ast);
00628       
00629     }
00630     
00631     read_finished();
00632   }

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virtual void read_progress ( int  ,
bool &  ,
bool &   
) [inline, virtual, inherited]

virtual void read_finished (  )  [inline, virtual, inherited]

void Open (  )  [inherited]

void Close (  )  [inherited]

virtual std::string GetFileName (  )  const [inline, virtual, inherited]

Definition at line 99 of file orsa_file.h.

References File::filename.

Referenced by OrsaFile::Read().

00099 { return filename; }

virtual void SetFileName ( std::string  name_in  )  [inline, virtual, inherited]

Definition at line 101 of file orsa_file.h.

References File::Close(), orsa::CLOSE, File::filename, and File::status.

Referenced by OrsaConfigFile::OrsaConfigFile(), and File::SetFileName().

00101                                                         {
00102       if (status != CLOSE) Close();
00103       filename = name_in;
00104     }

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virtual void SetFileName ( char *  name_in  )  [inline, virtual, inherited]

Definition at line 106 of file orsa_file.h.

References File::SetFileName().

00106                                                      {
00107       std::string n = name_in;
00108       SetFileName (n);
00109     }

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Member Data Documentation

AsteroidDatabase* db [inherited]

std::string filename [protected, inherited]

FILE_TYPE file [protected, inherited]

FILE_STATUS status [protected, inherited]


The documentation for this class was generated from the following files:

Generated on Mon Apr 28 20:04:01 2008 for liborsa by  doxygen 1.5.5