本文整理汇总了C++中OBAtom::IsInRing方法的典型用法代码示例。如果您正苦于以下问题:C++ OBAtom::IsInRing方法的具体用法?C++ OBAtom::IsInRing怎么用?C++ OBAtom::IsInRing使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OBAtom
的用法示例。
在下文中一共展示了OBAtom::IsInRing方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc,char *argv[])
{
// turn off slow sync with C-style output (we don't use it anyway).
std::ios::sync_with_stdio(false);
OBConversion conv;
OBFormat *inFormat, *canFormat;
OBMol mol;
ifstream ifs;
vector<OBMol> fragments;
unsigned int fragmentCount = 0; // track how many in library -- give a running count
map<string, int> index; // index of cansmi
string currentCAN;
unsigned int size;
OBAtom *atom;
OBBond *bond;
bool nonRingAtoms, nonRingBonds;
char buffer[BUFF_SIZE];
canFormat = conv.FindFormat("can");
conv.SetOutFormat(canFormat);
if (argc < 2)
{
cout << "Usage: obfragment <file>" << endl;
return(-1);
}
for (int i = 1; i < argc; i++) {
cerr << " Reading file " << argv[i] << endl;
inFormat = conv.FormatFromExt(argv[i]);
if(inFormat==NULL || !conv.SetInFormat(inFormat))
{
cerr << " Cannot read file format for " << argv[i] << endl;
continue; // try next file
}
ifs.open(argv[i]);
if (!ifs)
{
cerr << "Cannot read input file: " << argv[i] << endl;
continue;
}
while(ifs.peek() != EOF && ifs.good())
{
conv.Read(&mol, &ifs);
if (!mol.Has3D()) continue; // invalid coordinates!
mol.DeleteHydrogens(); // remove these before we do anything else
do {
nonRingAtoms = false;
size = mol.NumAtoms();
for (unsigned int i = 1; i <= size; ++i)
{
atom = mol.GetAtom(i);
if (!atom->IsInRing()) {
mol.DeleteAtom(atom);
nonRingAtoms = true;
break; // don't know how many atoms there are
}
// Previously, we changed atoms to carbon here.
// Now we perform this alchemy in terms of string-rewriting
// once the canonical SMILES is generated
}
} while (nonRingAtoms);
if (mol.NumAtoms() < 3)
continue;
if (mol.NumBonds() == 0)
continue;
do {
nonRingBonds = false;
size = mol.NumBonds();
for (unsigned int i = 0; i < size; ++i)
{
bond = mol.GetBond(i);
if (!bond->IsInRing()) {
mol.DeleteBond(bond);
nonRingBonds = true;
break; // don't know how many bonds there are
}
}
} while (nonRingBonds);
fragments = mol.Separate();
for (unsigned int i = 0; i < fragments.size(); ++i)
{
if (fragments[i].NumAtoms() < 3) // too small to care
continue;
currentCAN = conv.WriteString(&fragments[i], true);
currentCAN = RewriteSMILES(currentCAN); // change elements to "a/A" for compression
if (index.find(currentCAN) != index.end()) { // already got this
index[currentCAN] += 1; // add to the count for bookkeeping
//.........这里部分代码省略.........