/// <summary> writes a single frame in XYZ format to the Writer.</summary>
/// <param name="mol">the Molecule to write
/// </param>
public virtual void writeMolecule(IMolecule mol)
{
System.String st = "";
bool writecharge = true;
try
{
System.String s1 = ((System.Int32)mol.AtomCount).ToString();
//UPGRADE_NOTE: Exceptions thrown by the equivalent in .NET of method 'java.io.BufferedWriter.write' may be different. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1099'"
writer.Write(s1.ToCharArray(), 0, s1.Length);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
System.String s2 = null; // FIXME: add some interesting comment
if (s2 != null)
{
//UPGRADE_NOTE: Exceptions thrown by the equivalent in .NET of method 'java.io.BufferedWriter.write' may be different. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1099'"
writer.Write(s2.ToCharArray(), 0, s2.Length);
}
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
// Loop through the atoms and write them out:
IAtom[] atoms = mol.Atoms;
for (int i = 0; i < atoms.Length; i++)
{
IAtom a = atoms[i];
st = a.Symbol;
Point3d p3 = a.getPoint3d();
if (p3 != null)
{
st = st + "\t" + p3.x.ToString() + "\t" + p3.y.ToString() + "\t" + p3.z.ToString();
}
if (writecharge)
{
double ct = a.getCharge();
st = st + "\t" + ct;
}
//UPGRADE_NOTE: Exceptions thrown by the equivalent in .NET of method 'java.io.BufferedWriter.write' may be different. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1099'"
writer.Write(st.ToCharArray(), 0, st.Length);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
}
catch (System.IO.IOException e)
{
// throw e;
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
//logger.error("Error while writing file: ", e.Message);
//logger.debug(e);
}
}
/// <summary> Constructs an Atom from a String containing an element symbol.
///
/// </summary>
/// <param name="atom"> Atom from which the PseudoAtom is constructed
/// </param>
public PseudoAtom(IAtom atom)
: base("R")
{
base.fractionalPoint3d = atom.getFractionalPoint3d();
base.point3d = atom.getPoint3d();
base.point2d = atom.getPoint2d();
this.label = atom.Symbol;
base.hydrogenCount = 0;
base.stereoParity = 0;
base.exactMass = 0.0;
base.formalCharge = 0;
base.charge = 0.0;
}
/// <summary> Returns true if the two atoms are within the distance fudge
/// factor of each other.
///
/// </summary>
/// <param name="atom1"> Description of Parameter
/// </param>
/// <param name="atom2"> Description of Parameter
/// </param>
/// <param name="distanceFudgeFactor"> Description of Parameter
/// </param>
/// <returns> Description of the Returned Value
/// </returns>
/// <cdk.keyword> join-the-dots </cdk.keyword>
/// <cdk.keyword> bond creation </cdk.keyword>
public static bool closeEnoughToBond(IAtom atom1, IAtom atom2, double distanceFudgeFactor)
{
if (atom1 != atom2)
{
double distanceBetweenAtoms = atom1.getPoint3d().distance(atom2.getPoint3d());
double bondingDistance = atom1.CovalentRadius + atom2.CovalentRadius;
if (distanceBetweenAtoms <= (distanceFudgeFactor * bondingDistance))
{
return(true);
}
}
return(false);
}
/// <summary> Rotates a 3D point about a specified line segment by a specified angle.
///
/// The code is based on code available <a href="http://astronomy.swin.edu.au/~pbourke/geometry/rotate/source.c">here</a>.
/// Positive angles are anticlockwise looking down the axis towards the origin.
/// Assume right hand coordinate system.
///
/// </summary>
/// <param name="atom">The atom to rotate
/// </param>
/// <param name="p1"> The first point of the line segment
/// </param>
/// <param name="p2"> The second point of the line segment
/// </param>
/// <param name="angle"> The angle to rotate by (in degrees)
/// </param>
public static void rotate(IAtom atom, Point3d p1, Point3d p2, double angle)
{
double costheta, sintheta;
Point3d r = new Point3d();
r.x = p2.x - p1.x;
r.y = p2.y - p1.y;
r.z = p2.z - p1.z;
normalize(r);
angle = angle * System.Math.PI / 180.0;
costheta = System.Math.Cos(angle);
sintheta = System.Math.Sin(angle);
Point3d p = atom.getPoint3d();
p.x -= p1.x;
p.y -= p1.y;
p.z -= p1.z;
Point3d q = new Point3d(0, 0, 0);
q.x += (costheta + (1 - costheta) * r.x * r.x) * p.x;
q.x += ((1 - costheta) * r.x * r.y - r.z * sintheta) * p.y;
q.x += ((1 - costheta) * r.x * r.z + r.y * sintheta) * p.z;
q.y += ((1 - costheta) * r.x * r.y + r.z * sintheta) * p.x;
q.y += (costheta + (1 - costheta) * r.y * r.y) * p.y;
q.y += ((1 - costheta) * r.y * r.z - r.x * sintheta) * p.z;
q.z += ((1 - costheta) * r.x * r.z - r.y * sintheta) * p.x;
q.z += ((1 - costheta) * r.y * r.z + r.x * sintheta) * p.y;
q.z += (costheta + (1 - costheta) * r.z * r.z) * p.z;
q.x += p1.x;
q.y += p1.y;
q.z += p1.z;
atom.setPoint3d(q);
}
/// <summary> Returns the atoms which are closes to an atom in an AtomContainer by
/// distance in 3d.
///
/// </summary>
/// <param name="ac"> The AtomContainer to examine
/// </param>
/// <param name="a"> the atom to start from
/// </param>
/// <param name="max"> the number of neighbours to return
/// </param>
/// <returns> the average bond length
/// </returns>
/// <exception cref="CDKException"> Description of the Exception
/// </exception>
public static System.Collections.ArrayList findClosestInSpace(IAtomContainer ac, IAtom a, int max)
{
IAtom[] atoms = ac.Atoms;
Point3d originalPoint = a.getPoint3d();
if (originalPoint == null)
{
throw new CDKException("No point3d, but findClosestInSpace is working on point3ds");
}
//UPGRADE_TODO: Constructor 'java.util.TreeMap.TreeMap' was converted to 'System.Collections.SortedList' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilTreeMapTreeMap'"
//UPGRADE_ISSUE: Class hierarchy differences between 'java.util.TreeMap' and 'System.Collections.SortedList' may cause compilation errors. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1186'"
System.Collections.IDictionary hm = new System.Collections.SortedList();
for (int i = 0; i < atoms.Length; i++)
{
if (atoms[i] != a)
{
if (atoms[i].getPoint3d() == null)
{
throw new CDKException("No point3d, but findClosestInSpace is working on point3ds");
}
double distance = atoms[i].getPoint3d().distance(originalPoint);
hm[(double)distance] = atoms[i];
}
}
//UPGRADE_TODO: Method 'java.util.Map.keySet' was converted to 'CSGraphT.SupportClass.HashSetSupport' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilMapkeySet'"
CSGraphT.SupportClass.SetSupport ks = new CSGraphT.SupportClass.HashSetSupport(hm.Keys);
System.Collections.IEnumerator it = ks.GetEnumerator();
System.Collections.ArrayList returnValue = System.Collections.ArrayList.Synchronized(new System.Collections.ArrayList(10));
int i2 = 0;
//UPGRADE_TODO: Method 'java.util.Iterator.hasNext' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilIteratorhasNext'"
while (it.MoveNext() && i2 < max)
{
//UPGRADE_TODO: Method 'java.util.Iterator.next' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilIteratornext'"
returnValue.Add(hm[it.Current]);
i2++;
}
return (returnValue);
}
/// <summary> Writes a Molecule to an OutputStream in MDL sdf format.
///
/// </summary>
/// <param name="container"> Molecule that is written to an OutputStream
/// </param>
/// <param name="isVisible">Should a certain atom be written to mdl?
/// </param>
public virtual void writeMolecule(IMolecule container, bool[] isVisible)
{
System.String line = "";
// taking care of the $$$$ signs:
// we do not write such a sign at the end of the first molecule, thus we have to write on BEFORE the second molecule
if (moleculeNumber == 2)
{
writer.Write("$$$$");
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
// write header block
// lines get shortened to 80 chars, that's in the spec
System.String title = (System.String)container.getProperty(CDKConstants.TITLE);
if (title == null)
{
title = "";
}
if (title.Length > 80)
{
title = title.Substring(0, (80) - (0));
}
writer.Write(title + "\n");
/* From CTX spec
* This line has the format:
* IIPPPPPPPPMMDDYYHHmmddSSssssssssssEEEEEEEEEEEERRRRRR
* (FORTRAN: A2<--A8--><---A10-->A2I2<--F10.5-><---F12.5--><-I6-> )
* User's first and last initials (l), program name (P),
* date/time (M/D/Y,H:m), dimensional codes (d), scaling factors (S, s),
* energy (E) if modeling program input, internal registry number (R)
* if input through MDL form.
* A blank line can be substituted for line 2.
*/
writer.Write(" CDK ");
//UPGRADE_ISSUE: Constructor 'java.text.SimpleDateFormat.SimpleDateFormat' was not converted. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1000_javatextSimpleDateFormat'"
//UPGRADE_TODO: The equivalent in .NET for method 'java.util.Calendar.getTime' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.TimeZone generatedAux3 = System.TimeZone.CurrentTimeZone;
//writer.Write(SupportClass.FormatDateTime(new SimpleDateFormat("M/d/y,H:m", new System.Globalization.CultureInfo("en-US")), SupportClass.CalendarManager.manager.GetDateTime(new System.Globalization.GregorianCalendar())));
writer.Write('\n');
System.String comment = (System.String)container.getProperty(CDKConstants.REMARK);
if (comment == null)
{
comment = "";
}
if (comment.Length > 80)
{
comment = comment.Substring(0, (80) - (0));
}
writer.Write(comment + "\n");
// write Counts line
int upToWhichAtom = 0;
for (int i = 0; i < isVisible.Length; i++)
{
if (isVisible[i])
{
upToWhichAtom++;
}
}
line += formatMDLInt(upToWhichAtom, 3);
int numberOfBonds = 0;
if (upToWhichAtom < container.AtomCount)
{
for (int i = 0; i < container.getBondCount(); i++)
{
if (isVisible[container.getAtomNumber(container.getBondAt(i).getAtoms()[0])] && isVisible[container.getAtomNumber(container.getBondAt(i).getAtoms()[1])])
{
numberOfBonds++;
}
}
}
else
{
numberOfBonds = container.getBondCount();
}
line += formatMDLInt(numberOfBonds, 3);
line += " 0 0 0 0 0 0 0 0999 V2000\n";
writer.Write(line);
// write Atom block
IAtom[] atoms = container.Atoms;
for (int f = 0; f < atoms.Length; f++)
{
if (isVisible[f])
{
IAtom atom = atoms[f];
line = "";
if (atom.getPoint3d() != null)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
line += formatMDLFloat((float)atom.X3d);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
line += formatMDLFloat((float)atom.Y3d);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
line += (formatMDLFloat((float)atom.Z3d) + " ");
}
else if (atom.getPoint2d() != null)
{
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
line += formatMDLFloat((float)atom.X2d);
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
line += formatMDLFloat((float)atom.Y2d);
line += " 0.0000 ";
}
else
{
// if no coordinates available, then output a number
// of zeros
line += formatMDLFloat((float)0.0);
line += formatMDLFloat((float)0.0);
line += (formatMDLFloat((float)0.0) + " ");
}
if (container.getAtomAt(f) is IPseudoAtom)
{
line += formatMDLString(((IPseudoAtom)container.getAtomAt(f)).Label, 3);
}
else
{
line += formatMDLString(container.getAtomAt(f).Symbol, 3);
}
line += " 0 0 0 0 0 0 0 0 0 0 0 0";
writer.Write(line);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
}
// write Bond block
IBond[] bonds = container.Bonds;
for (int g = 0; g < bonds.Length; g++)
{
if (upToWhichAtom == container.AtomCount || (isVisible[container.getAtomNumber(container.getBondAt(g).getAtoms()[0])] && isVisible[container.getAtomNumber(container.getBondAt(g).getAtoms()[1])]))
{
IBond bond = bonds[g];
if (bond.getAtoms().Length != 2)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Object.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
//logger.warn("Skipping bond with more/less than two atoms: " + bond);
}
else
{
if (bond.Stereo == CDKConstants.STEREO_BOND_UP_INV || bond.Stereo == CDKConstants.STEREO_BOND_DOWN_INV)
{
// turn around atom coding to correct for inv stereo
line = formatMDLInt(container.getAtomNumber(bond.getAtomAt(1)) + 1, 3);
line += formatMDLInt(container.getAtomNumber(bond.getAtomAt(0)) + 1, 3);
}
else
{
line = formatMDLInt(container.getAtomNumber(bond.getAtomAt(0)) + 1, 3);
line += formatMDLInt(container.getAtomNumber(bond.getAtomAt(1)) + 1, 3);
}
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
line += formatMDLInt((int)bond.Order, 3);
line += " ";
switch (bond.Stereo)
{
case CDKConstants.STEREO_BOND_UP:
line += "1";
break;
case CDKConstants.STEREO_BOND_UP_INV:
line += "1";
break;
case CDKConstants.STEREO_BOND_DOWN:
line += "6";
break;
case CDKConstants.STEREO_BOND_DOWN_INV:
line += "6";
break;
default:
line += "0";
break;
}
line += " 0 0 0 ";
writer.Write(line);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
}
}
// write formal atomic charges
for (int i = 0; i < atoms.Length; i++)
{
IAtom atom = atoms[i];
int charge = atom.getFormalCharge();
if (charge != 0)
{
writer.Write("M CHG 1 ");
writer.Write(formatMDLInt(i + 1, 3));
writer.Write(" ");
writer.Write(formatMDLInt(charge, 3));
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
}
// write formal isotope information
for (int i = 0; i < atoms.Length; i++)
{
IAtom atom = atoms[i];
if (!(atom is IPseudoAtom))
{
int atomicMass = atom.MassNumber;
int majorMass = IsotopeFactory.getInstance(atom.Builder).getMajorIsotope(atom.Symbol).MassNumber;
if (atomicMass != 0 && atomicMass != majorMass)
{
writer.Write("M ISO 1 ");
writer.Write(formatMDLInt(i + 1, 3));
writer.Write(" ");
writer.Write(formatMDLInt(atomicMass, 3));
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
}
}
// close molecule
writer.Write("M END");
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
//write sdfields, if any
if (sdFields != null)
{
//UPGRADE_TODO: Method 'java.util.Map.keySet' was converted to 'CSGraphT.SupportClass.HashSetSupport' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilMapkeySet'"
CSGraphT.SupportClass.SetSupport set_Renamed = new CSGraphT.SupportClass.HashSetSupport(sdFields.Keys);
System.Collections.IEnumerator iterator = set_Renamed.GetEnumerator();
//UPGRADE_TODO: Method 'java.util.Iterator.hasNext' was converted to 'System.Collections.IEnumerator.MoveNext' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilIteratorhasNext'"
while (iterator.MoveNext())
{
//UPGRADE_TODO: Method 'java.util.Iterator.next' was converted to 'System.Collections.IEnumerator.Current' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilIteratornext'"
System.Object element = iterator.Current;
writer.Write("> <" + ((System.String)element) + ">");
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Object.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
writer.Write(sdFields[element].ToString());
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
}
// taking care of the $$$$ signs:
// we write such a sign at the end of all except the first molecule
if (moleculeNumber != 1)
{
writer.Write("$$$$");
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
moleculeNumber++;
writer.Flush();
}
/// <summary> Read a Molecule from a file in MDL sd format
///
/// </summary>
/// <returns> The Molecule that was read from the MDL file.
/// </returns>
private IMolecule readMolecule(IMolecule molecule)
{
//logger.debug("Reading new molecule");
int linecount = 0;
int atoms = 0;
int bonds = 0;
int atom1 = 0;
int atom2 = 0;
int order = 0;
int stereo = 0;
int RGroupCounter = 1;
int Rnumber = 0;
System.String[] rGroup = null;
double x = 0.0;
double y = 0.0;
double z = 0.0;
double totalZ = 0.0;
//int[][] conMat = new int[0][0];
//String help;
IBond bond;
IAtom atom;
System.String line = "";
try
{
//logger.info("Reading header");
line = input.ReadLine(); linecount++;
if (line == null)
{
return(null);
}
//logger.debug("Line " + linecount + ": " + line);
if (line.StartsWith("$$$$"))
{
//logger.debug("File is empty, returning empty molecule");
return(molecule);
}
if (line.Length > 0)
{
molecule.setProperty(CDKConstants.TITLE, line);
}
line = input.ReadLine(); linecount++;
//logger.debug("Line " + linecount + ": " + line);
line = input.ReadLine(); linecount++;
//logger.debug("Line " + linecount + ": " + line);
if (line.Length > 0)
{
molecule.setProperty(CDKConstants.REMARK, line);
}
//logger.info("Reading rest of file");
line = input.ReadLine(); linecount++;
//logger.debug("Line " + linecount + ": " + line);
atoms = System.Int32.Parse(line.Substring(0, (3) - (0)).Trim());
//logger.debug("Atomcount: " + atoms);
bonds = System.Int32.Parse(line.Substring(3, (6) - (3)).Trim());
//logger.debug("Bondcount: " + bonds);
// read ATOM block
//logger.info("Reading atom block");
for (int f = 0; f < atoms; f++)
{
line = input.ReadLine(); linecount++;
//UPGRADE_TODO: The differences in the format of parameters for constructor 'java.lang.Double.Double' may cause compilation errors. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
x = System.Double.Parse(line.Substring(0, (10) - (0)).Trim());
//UPGRADE_TODO: The differences in the format of parameters for constructor 'java.lang.Double.Double' may cause compilation errors. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
y = System.Double.Parse(line.Substring(10, (20) - (10)).Trim());
//UPGRADE_TODO: The differences in the format of parameters for constructor 'java.lang.Double.Double' may cause compilation errors. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1092'"
z = System.Double.Parse(line.Substring(20, (30) - (20)).Trim());
totalZ += System.Math.Abs(z); // *all* values should be zero, not just the sum
//logger.debug("Coordinates: " + x + "; " + y + "; " + z);
System.String element = line.Substring(31, (34) - (31)).Trim();
//logger.debug("Atom type: ", element);
if (IsotopeFactory.getInstance(molecule.Builder).isElement(element))
{
atom = IsotopeFactory.getInstance(molecule.Builder).configure(molecule.Builder.newAtom(element));
}
else
{
//logger.debug("Atom ", element, " is not an regular element. Creating a PseudoAtom.");
//check if the element is R
rGroup = element.Split(new char[] { '^', 'R' }); // ????
if (rGroup.Length > 1)
{
try
{
Rnumber = System.Int32.Parse(rGroup[(rGroup.Length - 1)]);
RGroupCounter = Rnumber;
}
catch (System.Exception ex)
{
Rnumber = RGroupCounter;
RGroupCounter++;
}
element = "R" + Rnumber;
}
atom = molecule.Builder.newPseudoAtom(element);
}
// store as 3D for now, convert to 2D (if totalZ == 0.0) later
atom.setPoint3d(new Point3d(x, y, z));
// parse further fields
System.String massDiffString = line.Substring(34, (36) - (34)).Trim();
//logger.debug("Mass difference: ", massDiffString);
if (!(atom is IPseudoAtom))
{
try
{
int massDiff = System.Int32.Parse(massDiffString);
if (massDiff != 0)
{
IIsotope major = IsotopeFactory.getInstance(molecule.Builder).getMajorIsotope(element);
atom.AtomicNumber = major.AtomicNumber + massDiff;
}
}
catch (System.Exception exception)
{
//logger.error("Could not parse mass difference field");
}
}
else
{
//logger.error("Cannot set mass difference for a non-element!");
}
System.String chargeCodeString = line.Substring(36, (39) - (36)).Trim();
//logger.debug("Atom charge code: ", chargeCodeString);
int chargeCode = System.Int32.Parse(chargeCodeString);
if (chargeCode == 0)
{
// uncharged species
}
else if (chargeCode == 1)
{
atom.setFormalCharge(+3);
}
else if (chargeCode == 2)
{
atom.setFormalCharge(+2);
}
else if (chargeCode == 3)
{
atom.setFormalCharge(+1);
}
else if (chargeCode == 4)
{
}
else if (chargeCode == 5)
{
atom.setFormalCharge(-1);
}
else if (chargeCode == 6)
{
atom.setFormalCharge(-2);
}
else if (chargeCode == 7)
{
atom.setFormalCharge(-3);
}
try
{
// read the mmm field as position 61-63
System.String reactionAtomIDString = line.Substring(60, (63) - (60)).Trim();
//logger.debug("Parsing mapping id: ", reactionAtomIDString);
try
{
int reactionAtomID = System.Int32.Parse(reactionAtomIDString);
if (reactionAtomID != 0)
{
atom.ID = reactionAtomIDString;
}
}
catch (System.Exception exception)
{
//logger.error("Mapping number ", reactionAtomIDString, " is not an integer.");
//logger.debug(exception);
}
}
catch (System.Exception exception)
{
// older mol files don't have all these fields...
//logger.warn("A few fields are missing. Older MDL MOL file?");
}
molecule.addAtom(atom);
}
// convert to 2D, if totalZ == 0
if (totalZ == 0.0 && !forceReadAs3DCoords.Set)
{
//logger.info("Total 3D Z is 0.0, interpreting it as a 2D structure");
IAtom[] atomsToUpdate = molecule.Atoms;
for (int f = 0; f < atomsToUpdate.Length; f++)
{
IAtom atomToUpdate = atomsToUpdate[f];
Point3d p3d = atomToUpdate.getPoint3d();
atomToUpdate.setPoint2d(new Point2d(p3d.x, p3d.y));
atomToUpdate.setPoint3d(null);
}
}
// read BOND block
//logger.info("Reading bond block");
for (int f = 0; f < bonds; f++)
{
line = input.ReadLine(); linecount++;
atom1 = System.Int32.Parse(line.Substring(0, (3) - (0)).Trim());
atom2 = System.Int32.Parse(line.Substring(3, (6) - (3)).Trim());
order = System.Int32.Parse(line.Substring(6, (9) - (6)).Trim());
if (line.Length > 12)
{
stereo = System.Int32.Parse(line.Substring(9, (12) - (9)).Trim());
}
else
{
//logger.warn("Missing expected stereo field at line: " + line);
}
//if (//logger.DebugEnabled)
//{
// //logger.debug("Bond: " + atom1 + " - " + atom2 + "; order " + order);
//}
if (stereo == 1)
{
// MDL up bond
stereo = CDKConstants.STEREO_BOND_UP;
}
else if (stereo == 6)
{
// MDL down bond
stereo = CDKConstants.STEREO_BOND_DOWN;
}
else if (stereo == 4)
{
//MDL bond undefined
stereo = CDKConstants.STEREO_BOND_UNDEFINED;
}
// interpret CTfile's special bond orders
IAtom a1 = molecule.getAtomAt(atom1 - 1);
IAtom a2 = molecule.getAtomAt(atom2 - 1);
if (order == 4)
{
// aromatic bond
bond = molecule.Builder.newBond(a1, a2, CDKConstants.BONDORDER_AROMATIC, stereo);
// mark both atoms and the bond as aromatic
bond.setFlag(CDKConstants.ISAROMATIC, true);
a1.setFlag(CDKConstants.ISAROMATIC, true);
a2.setFlag(CDKConstants.ISAROMATIC, true);
molecule.addBond(bond);
}
else
{
bond = molecule.Builder.newBond(a1, a2, (double)order, stereo);
molecule.addBond(bond);
}
}
// read PROPERTY block
//logger.info("Reading property block");
while (true)
{
line = input.ReadLine(); linecount++;
if (line == null)
{
throw new CDKException("The expected property block is missing!");
}
if (line.StartsWith("M END"))
{
break;
}
bool lineRead = false;
if (line.StartsWith("M CHG"))
{
// FIXME: if this is encountered for the first time, all
// atom charges should be set to zero first!
int infoCount = System.Int32.Parse(line.Substring(6, (9) - (6)).Trim());
SupportClass.Tokenizer st = new SupportClass.Tokenizer(line.Substring(9));
for (int i = 1; i <= infoCount; i++)
{
System.String token = st.NextToken();
int atomNumber = System.Int32.Parse(token.Trim());
token = st.NextToken();
int charge = System.Int32.Parse(token.Trim());
molecule.getAtomAt(atomNumber - 1).setFormalCharge(charge);
}
}
else if (line.StartsWith("M ISO"))
{
try
{
System.String countString = line.Substring(6, (9) - (6)).Trim();
int infoCount = System.Int32.Parse(countString);
SupportClass.Tokenizer st = new SupportClass.Tokenizer(line.Substring(9));
for (int i = 1; i <= infoCount; i++)
{
int atomNumber = System.Int32.Parse(st.NextToken().Trim());
int absMass = System.Int32.Parse(st.NextToken().Trim());
if (absMass != 0)
{
IAtom isotope = molecule.getAtomAt(atomNumber - 1);
isotope.MassNumber = absMass;
}
}
}
catch (System.FormatException exception)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.String error = "Error (" + exception.Message + ") while parsing line " + linecount + ": " + line + " in property block.";
//logger.error(error);
throw new CDKException("NumberFormatException in isotope information on line: " + line, exception);
}
}
else if (line.StartsWith("M RAD"))
{
try
{
System.String countString = line.Substring(6, (9) - (6)).Trim();
int infoCount = System.Int32.Parse(countString);
SupportClass.Tokenizer st = new SupportClass.Tokenizer(line.Substring(9));
for (int i = 1; i <= infoCount; i++)
{
int atomNumber = System.Int32.Parse(st.NextToken().Trim());
int spinMultiplicity = System.Int32.Parse(st.NextToken().Trim());
if (spinMultiplicity > 1)
{
IAtom radical = molecule.getAtomAt(atomNumber - 1);
for (int j = 2; j <= spinMultiplicity; j++)
{
// 2 means doublet -> one unpaired electron
// 3 means triplet -> two unpaired electron
molecule.addElectronContainer(molecule.Builder.newSingleElectron(radical));
}
}
}
}
catch (System.FormatException exception)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.String error = "Error (" + exception.Message + ") while parsing line " + linecount + ": " + line + " in property block.";
//logger.error(error);
throw new CDKException("NumberFormatException in radical information on line: " + line, exception);
}
}
else if (line.StartsWith("G "))
{
try
{
System.String atomNumberString = line.Substring(3, (6) - (3)).Trim();
int atomNumber = System.Int32.Parse(atomNumberString);
//String whatIsThisString = line.substring(6,9).trim();
System.String atomName = input.ReadLine();
// convert Atom into a PseudoAtom
IAtom prevAtom = molecule.getAtomAt(atomNumber - 1);
IPseudoAtom pseudoAtom = molecule.Builder.newPseudoAtom(atomName);
if (prevAtom.getPoint2d() != null)
{
pseudoAtom.setPoint2d(prevAtom.getPoint2d());
}
if (prevAtom.getPoint3d() != null)
{
pseudoAtom.setPoint3d(prevAtom.getPoint3d());
}
AtomContainerManipulator.replaceAtomByAtom(molecule, prevAtom, pseudoAtom);
}
catch (System.FormatException exception)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.String error = "Error (" + exception.ToString() + ") while parsing line " + linecount + ": " + line + " in property block.";
//logger.error(error);
throw new CDKException("NumberFormatException in group information on line: " + line, exception);
}
}
if (!lineRead)
{
//logger.warn("Skipping line in property block: ", line);
}
}
}
catch (CDKException exception)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.String error = "Error while parsing line " + linecount + ": " + line + " -> " + exception.Message;
//logger.error(error);
//logger.debug(exception);
throw exception;
}
catch (System.Exception exception)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.getMessage' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.String error = "Error while parsing line " + linecount + ": " + line + " -> " + exception.Message;
//logger.error(error);
//logger.debug(exception);
throw new CDKException(error, exception);
}
return(molecule);
}
/// <summary> writes all the molecules supplied in a SetOfMolecules class to
/// a single HIN file. You can also supply a single Molecule object
/// as well
/// </summary>
/// <param name="mol">the Molecule to write
/// </param>
private void writeMolecule(ISetOfMolecules som)
{
//int na = 0;
//String info = "";
System.String sym = "";
double chrg = 0.0;
//boolean writecharge = true;
for (int molnum = 0; molnum < som.MoleculeCount; molnum++)
{
IMolecule mol = som.getMolecule(molnum);
try
{
int natom = mol.AtomCount;
int nbond = mol.getBondCount();
System.String molname = "mol " + (molnum + 1) + " " + ((System.String)mol.getProperty(CDKConstants.TITLE));
//UPGRADE_NOTE: Exceptions thrown by the equivalent in .NET of method 'java.io.BufferedWriter.write' may be different. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1099'"
writer.Write(molname.ToCharArray(), 0, molname.Length);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
// Loop through the atoms and write them out:
IAtom[] atoms = mol.Atoms;
IBond[] bonds = mol.Bonds;
for (int i = 0; i < natom; i++)
{
System.String line = "atom ";
IAtom a = atoms[i];
sym = a.Symbol;
chrg = a.getCharge();
Point3d p3 = a.getPoint3d();
line = line + ((System.Int32)(i + 1)).ToString() + " - " + sym + " ** - " + ((double)chrg).ToString() + " " + p3.x.ToString() + " " + p3.y.ToString() + " " + p3.z.ToString() + " ";
System.String buf = "";
int ncon = 0;
for (int j = 0; j < nbond; j++)
{
IBond b = bonds[j];
if (b.contains(a))
{
// current atom is in the bond so lets get the connected atom
IAtom ca = b.getConnectedAtom(a);
double bo = b.Order;
int serial = -1;
System.String bt = "";
// get the serial no for this atom
serial = mol.getAtomNumber(ca);
if (bo == 1)
{
bt = new System.Text.StringBuilder("s").ToString();
}
else if (bo == 2)
{
bt = new System.Text.StringBuilder("d").ToString();
}
else if (bo == 3)
{
bt = new System.Text.StringBuilder("t").ToString();
}
else if (bo == 1.5)
{
bt = new System.Text.StringBuilder("a").ToString();
}
buf = buf + ((System.Int32)(serial + 1)).ToString() + " " + bt + " ";
ncon++;
}
}
line = line + " " + ((System.Int32)ncon).ToString() + " " + buf;
//UPGRADE_NOTE: Exceptions thrown by the equivalent in .NET of method 'java.io.BufferedWriter.write' may be different. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1099'"
writer.Write(line.ToCharArray(), 0, line.Length);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
System.String buf2 = "endmol " + (molnum + 1);
//UPGRADE_NOTE: Exceptions thrown by the equivalent in .NET of method 'java.io.BufferedWriter.write' may be different. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1099'"
writer.Write(buf2.ToCharArray(), 0, buf2.Length);
//UPGRADE_TODO: Method 'java.io.BufferedWriter.newLine' was converted to 'System.IO.TextWriter.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073'"
writer.WriteLine();
}
catch (System.IO.IOException e)
{
throw e;
}
}
}
/// <summary> Returns true if the two atoms are within the distance fudge
/// factor of each other.
///
/// </summary>
/// <param name="atom1"> Description of Parameter
/// </param>
/// <param name="atom2"> Description of Parameter
/// </param>
/// <param name="distanceFudgeFactor"> Description of Parameter
/// </param>
/// <returns> Description of the Returned Value
/// </returns>
/// <cdk.keyword> join-the-dots </cdk.keyword>
/// <cdk.keyword> bond creation </cdk.keyword>
public static bool closeEnoughToBond(IAtom atom1, IAtom atom2, double distanceFudgeFactor)
{
if (atom1 != atom2)
{
double distanceBetweenAtoms = atom1.getPoint3d().distance(atom2.getPoint3d());
double bondingDistance = atom1.CovalentRadius + atom2.CovalentRadius;
if (distanceBetweenAtoms <= (distanceFudgeFactor * bondingDistance))
{
return true;
}
}
return false;
}
