Files
rdkit/Docs/Book/C++Examples/example7.cpp
David Cosgrove 6d1266615b Updatecppdocs (#3039)
* Updated CMakeLists.txx

* Updated all examples, extended some.

* Added info about highlighting atoms.

* Added info about annotation to python getting started.

* Minor tweaks.

* Minor tweaks.  Can only examine the rst in GitHub.

* Minor tweaks.  Can only examine the rst in GitHub.

* get doctests working

* update an example image

* Include the GettingStartedInC++ doc in the standard docs build

* move the C++ docs after the python docs

* update backwards incompatible changes doc

Co-authored-by: David Cosgrove <david@cozchemix.co.uk>
Co-authored-by: greg landrum <greg.landrum@gmail.com>
2020-03-27 14:19:17 +01:00

57 lines
1.9 KiB
C++

//
// Working with molecules example7.cpp
#include <iostream>
#include <GraphMol/GraphMol.h>
#include <GraphMol/SmilesParse/SmilesParse.h>
#include <GraphMol/MolOps.h>
int main( int argc , char **argv ) {
std::shared_ptr<RDKit::ROMol> mol( RDKit::SmilesToMol( "OC1C2C1CC2" ) );
if( !mol->getRingInfo()->isInitialized() ) {
RDKit::MolOps::findSSSR( *mol );
}
for( unsigned int i = 0; i < mol->getNumAtoms() ; ++i ) {
const RDKit::Atom *atom = mol->getAtomWithIdx( i );
std::cout << mol->getRingInfo()->numAtomRings( atom->getIdx() ) << " ";
}
std::cout << std::endl;
for( unsigned int i = 0; i < mol->getNumBonds() ; ++i ) {
const RDKit::Bond *bond = mol->getBondWithIdx( i );
std::cout << mol->getRingInfo()->numBondRings( bond->getIdx() ) << " ";
}
std::cout << std::endl;
const RDKit::Bond *bond = mol->getBondWithIdx( 1 );
if( mol->getRingInfo()->numBondRings( bond->getIdx() )) {
std::cout << "Bond " << bond->getIdx() << " is in a ring" << std::endl;;
}
std::cout << "Atom 2 is in ring of size 3 : "
<< mol->getRingInfo()->isAtomInRingOfSize( 2 , 3 ) << std::endl;
std::cout << "Atom 2 is in ring of size 4 : "
<< mol->getRingInfo()->isAtomInRingOfSize( 2 , 4 ) << std::endl;
std::cout << "Atom 2 is in ring of size 5 : "
<< mol->getRingInfo()->isAtomInRingOfSize( 2 , 5 ) << std::endl;
std::cout << "Bond 1 is in ring of size 3 : "
<< mol->getRingInfo()->isBondInRingOfSize( 1 , 3 ) << std::endl;
std::cout << "Atom 1 is in ring of size 5 : "
<< mol->getRingInfo()->isAtomInRingOfSize( 1 , 5 ) << std::endl;
RDKit::VECT_INT_VECT rings;
RDKit::MolOps::symmetrizeSSSR( *mol , rings );
std::cout << "Number of symmetric SSSR rings : " << rings.size() << std::endl;
for( auto ring: rings ) {
for( auto ringat: ring ) {
std::cout << ringat << " ";
}
std::cout << std::endl;
}
std::cout << "Number of SSSR rings : " << RDKit::MolOps::findSSSR( *mol ) << std::endl;
}