Clazz.declarePackage("J.adapter.readers.quantum");
Clazz.load(["J.adapter.readers.quantum.MOReader", "JU.BS"], "J.adapter.readers.quantum.GaussianReader", ["java.util.Hashtable", "JU.AU", "$.Lst", "$.PT", "$.V3", "J.adapter.readers.quantum.BasisFunctionReader", "J.adapter.smarter.SmarterJmolAdapter", "J.quantum.QS", "JU.Escape", "$.Logger", "$.Tensor"], function(){
var c$ = Clazz.decorateAsClass(function(){
this.energyString = "";
this.energyKey = "";
this.calculationNumber = 1;
this.scanPoint = -1;
this.equivalentAtomSets = 0;
this.stepNumber = 0;
this.moModelSet = -1;
this.namedSets = null;
this.isHighPrecision = false;
this.haveHighPrecision = false;
this.allowHighPrecision = false;
this.orientationInput = false;
this.orientation = null;
Clazz.instantialize(this, arguments);}, J.adapter.readers.quantum, "GaussianReader", J.adapter.readers.quantum.MOReader);
Clazz.prepareFields (c$, function(){
this.namedSets =  new JU.BS();
});
Clazz.defineMethod(c$, "initializeReader", 
function(){
this.allowHighPrecision = !this.checkAndRemoveFilterKey("NOHP");
this.orientation = (this.checkFilterKey("ORIENTATION:INPUT") ? "Input" : this.checkFilterKey("ORIENTATION:STANDARD") ? "Standard" : null);
this.orientationInput = (this.orientation === "Input");
this.appendLoadNote("Orientation:" + (this.orientation == null ? "ALL" : this.orientation));
if (this.orientation != null) this.orientation += " orientation:";
Clazz.superCall(this, J.adapter.readers.quantum.GaussianReader, "initializeReader", []);
});
Clazz.overrideMethod(c$, "checkLine", 
function(){
if (this.line.startsWith(" Step number")) {
this.equivalentAtomSets = 0;
this.stepNumber++;
var scanPointIndex = this.line.indexOf("scan point");
if (scanPointIndex > 0) {
this.scanPoint = this.parseIntAt(this.line, scanPointIndex + 10);
} else {
this.scanPoint = -1;
}return true;
}if (this.line.indexOf("-- Stationary point found") > 0) {
if (this.scanPoint >= 0) this.scanPoint++;
return true;
}if (this.orientation == null ? this.line.indexOf("Input orientation:") >= 0 || this.line.indexOf("Z-Matrix orientation:") >= 0 || this.line.indexOf("Standard orientation:") >= 0 : this.line.indexOf(this.orientation) >= 0 || this.orientationInput && this.line.indexOf("Z-Matrix orientation:") >= 0) {
if (!this.doGetModel(++this.modelNumber, null)) {
return this.checkLastModel();
}this.equivalentAtomSets++;
JU.Logger.info(this.asc.atomSetCount + " model " + this.modelNumber + " step " + this.stepNumber + " equivalentAtomSet " + this.equivalentAtomSets + " calculation " + this.calculationNumber + " scan point " + this.scanPoint + this.line);
this.readAtoms();
return false;
}if (!this.doProcessLines) return true;
if (this.line.startsWith(" Energy=")) {
this.setEnergy();
return true;
}if (this.line.startsWith(" SCF Done:")) {
this.readSCFDone();
return true;
}if (this.line.startsWith(" Calculating GIAO")) {
this.readCSATensors();
return false;
}if (this.line.startsWith(" Total nuclear spin-spin coupling")) {
this.readCouplings();
return false;
}if (!this.orientationInput && this.line.startsWith(" Harmonic frequencies")) {
this.readFrequencies(":", true);
return true;
}if (this.line.startsWith(" Total atomic charges:") || this.line.startsWith(" Mulliken atomic charges:")) {
this.readPartialCharges();
return true;
}if (this.line.startsWith(" Dipole moment")) {
this.readDipoleMoment();
return true;
}if (this.line.startsWith(" Standard basis:") || this.line.startsWith(" General basis read from")) {
this.energyUnits = "";
this.calculationType = this.line.substring(this.line.indexOf(":") + 1).trim();
return true;
} else if (this.line.startsWith(" Basis read from chk")) {
this.energyUnits = "";
this.calculationType = this.line.substring(this.line.lastIndexOf("\"") + 1).trim();
return true;
}if (this.line.startsWith(" AO basis set")) {
this.readBasis();
return true;
}if (this.line.indexOf("Molecular Orbital Coefficients") >= 0 || this.line.indexOf("Natural Orbital Coefficients") >= 0 || this.line.indexOf("Natural Transition Orbitals") >= 0) {
if (!this.filterMO()) return true;
this.readMolecularOrbitals();
JU.Logger.info(this.orbitals.size() + " molecular orbitals read");
return true;
}if (this.line.startsWith(" Normal termination of Gaussian")) {
++this.calculationNumber;
this.equivalentAtomSets = 0;
return true;
}if (this.line.startsWith(" Mulliken atomic spin densities:")) {
this.getSpinDensities(11);
return true;
}if (this.line.startsWith(" Mulliken charges and spin densities:")) {
this.getSpinDensities(21);
return true;
}return this.checkNboLine();
});
Clazz.overrideMethod(c$, "finalizeSubclassReader", 
function(){
if (this.orientation == null) {
this.appendLoadNote("\nUse filter 'orientation:xxx' where 'xxx' is one of: input (includes z-matrix), standard, or ALL");
} else {
this.appendLoadNote("\nfilter: " + this.filter);
}});
Clazz.defineMethod(c$, "getSpinDensities", 
function(pt){
this.rd();
var data =  Clazz.newFloatArray (this.asc.getLastAtomSetAtomCount(), 0);
for (var i = 0; i < data.length; i++) data[i] = this.parseFloatStr(this.rd().substring(pt, pt + 10));

this.asc.setAtomProperties("spin", data, -1, false);
this.appendLoadNote(data.length + " spin densities loaded into model " + (this.asc.iSet + 1));
}, "~N");
Clazz.defineMethod(c$, "readSCFDone", 
function(){
var tokens = JU.PT.getTokensAt(this.line, 11);
if (tokens.length < 4) return;
this.energyKey = tokens[0];
this.asc.setAtomSetEnergy(tokens[2], this.parseFloatStr(tokens[2]));
this.energyString = tokens[2] + " " + tokens[3];
this.setNames(this.energyKey + " = " + this.energyString, this.namedSets, this.equivalentAtomSets);
this.setProps(this.energyKey, this.energyString, this.equivalentAtomSets);
tokens = JU.PT.getTokens(this.rd());
if (tokens.length > 2) {
this.setProps(tokens[0], tokens[2], this.equivalentAtomSets);
if (tokens.length > 5) this.setProps(tokens[3], tokens[5], this.equivalentAtomSets);
tokens = JU.PT.getTokens(this.rd());
}if (tokens.length > 2) this.setProps(tokens[0], tokens[2], this.equivalentAtomSets);
});
Clazz.defineMethod(c$, "setProps", 
function(key, value, n){
for (var i = this.asc.iSet; --n >= 0 && i >= 0; --i) this.asc.setAtomSetModelPropertyForSet(key, value, i);

}, "~S,~S,~N");
Clazz.defineMethod(c$, "setNames", 
function(atomSetName, namedSets, n){
for (var i = this.asc.iSet; --n >= 0 && i >= 0; --i) if (namedSets == null || !namedSets.get(i)) this.asc.setModelInfoForSet("name", atomSetName, i);

}, "~S,JU.BS,~N");
Clazz.defineMethod(c$, "setEnergy", 
function(){
var tokens = this.getTokens();
this.energyKey = "Energy";
this.energyString = tokens[1];
this.setNames("Energy = " + tokens[1], this.namedSets, this.equivalentAtomSets);
this.asc.setAtomSetEnergy(this.energyString, this.parseFloatStr(this.energyString));
});
Clazz.defineMethod(c$, "readAtoms", 
function(){
this.asc.newAtomSet();
this.haveHighPrecision = false;
if (this.energyKey.length != 0) this.asc.setAtomSetName(this.energyKey + " = " + this.energyString);
this.asc.setAtomSetEnergy(this.energyString, this.parseFloatStr(this.energyString));
var path = this.getTokens()[0];
this.readLines(4);
var tokens;
while (this.rd() != null && !this.line.startsWith(" --")) {
tokens = this.getTokens();
var atom = this.asc.addNewAtom();
atom.elementNumber = this.parseIntStr(tokens[1]);
if (atom.elementNumber < 0) atom.elementNumber = 0;
this.setAtomCoordTokens(atom, tokens, tokens.length - 3);
}
this.asc.setAtomSetModelProperty(".PATH", "Calculation " + this.calculationNumber + (this.scanPoint >= 0 ? (J.adapter.smarter.SmarterJmolAdapter.PATH_SEPARATOR + "Scan Point " + this.scanPoint) : "") + J.adapter.smarter.SmarterJmolAdapter.PATH_SEPARATOR + path);
});
Clazz.defineMethod(c$, "readBasis", 
function(){
this.shells =  new JU.Lst();
var gdata =  new JU.Lst();
var ac = 0;
this.gaussianCount = 0;
this.shellCount = 0;
var lastAtom = "";
var tokens;
var doSphericalD = (this.calculationType != null && (this.calculationType.indexOf("5D") > 0));
var doSphericalF = (this.calculationType != null && (this.calculationType.indexOf("7F") > 0));
var doSpherical = (doSphericalD || doSphericalF);
var isGeneral = (this.line.indexOf("general basis input") >= 0);
if (isGeneral) {
while (this.rd() != null && this.line.length > 0) {
this.shellCount++;
tokens = this.getTokens();
ac++;
while (this.rd().indexOf("****") < 0) {
var slater =  Clazz.newIntArray (4, 0);
slater[0] = ac;
tokens = this.getTokens();
var oType = tokens[0];
if (doSphericalF && (oType.indexOf("F") >= 0 || oType.indexOf("G") >= 0 || oType.indexOf("H") >= 0 || oType.indexOf("I") >= 0) || doSphericalD && oType.indexOf("D") >= 0) slater[1] = J.adapter.readers.quantum.BasisFunctionReader.getQuantumShellTagIDSpherical(oType);
 else slater[1] = J.adapter.readers.quantum.BasisFunctionReader.getQuantumShellTagID(oType);
var nGaussians = this.parseIntStr(tokens[1]);
slater[2] = this.gaussianCount + 1;
slater[3] = nGaussians;
if (this.debugging) JU.Logger.debug("Slater " + this.shells.size() + " " + JU.Escape.eAI(slater));
this.shells.addLast(slater);
this.gaussianCount += nGaussians;
for (var i = 0; i < nGaussians; i++) {
this.rd();
this.line = JU.PT.rep(this.line, "D ", "D+");
tokens = this.getTokens();
if (this.debugging) JU.Logger.debug("Gaussians " + (i + 1) + " " + JU.Escape.eAS(tokens, true));
gdata.addLast(tokens);
}
}
}
} else {
while (this.rd() != null && this.line.startsWith(" Atom")) {
this.shellCount++;
tokens = this.getTokens();
var slater =  Clazz.newIntArray (4, 0);
if (!tokens[1].equals(lastAtom)) ac++;
lastAtom = tokens[1];
slater[0] = ac;
var oType = tokens[4];
if (doSpherical && (doSphericalD && oType.indexOf("D") >= 0 || doSphericalF && (oType.indexOf("F") >= 0 || oType.indexOf("G") >= 0 || oType.indexOf("H") >= 0 || oType.indexOf("I") >= 0))) slater[1] = J.adapter.readers.quantum.BasisFunctionReader.getQuantumShellTagIDSpherical(oType);
 else slater[1] = J.adapter.readers.quantum.BasisFunctionReader.getQuantumShellTagID(oType);
this.enableShell(slater[1]);
var nGaussians = this.parseIntStr(tokens[5]);
slater[2] = this.gaussianCount + 1;
slater[3] = nGaussians;
this.shells.addLast(slater);
this.gaussianCount += nGaussians;
for (var i = 0; i < nGaussians; i++) {
gdata.addLast(JU.PT.getTokens(this.rd()));
}
}
}if (ac == 0) ac = 1;
this.gaussians = JU.AU.newFloat2(this.gaussianCount);
for (var i = 0; i < this.gaussianCount; i++) {
tokens = gdata.get(i);
this.gaussians[i] =  Clazz.newFloatArray (tokens.length, 0);
for (var j = 0; j < tokens.length; j++) this.gaussians[i][j] = this.parseFloatStr(tokens[j]);

}
JU.Logger.info(this.shellCount + " slater shells read");
JU.Logger.info(this.gaussianCount + " gaussian primitives read");
});
Clazz.defineMethod(c$, "readMolecularOrbitals", 
function(){
if (this.shells == null) return;
var mos = JU.AU.createArrayOfHashtable(5);
var data = JU.AU.createArrayOfArrayList(5);
var nThisLine = 0;
var isNOtype = this.line.contains("Natural Orbital");
while (this.rd() != null && this.line.toUpperCase().indexOf("DENS") < 0) {
var tokens;
if (this.line.indexOf("eta Molecular Orbital Coefficients") >= 0) {
this.addMOData(nThisLine, data, mos);
nThisLine = 0;
if (!this.filterMO()) break;
}if (this.line.indexOf("                    ") == 0) {
this.addMOData(nThisLine, data, mos);
if (isNOtype) {
tokens = this.getTokens();
nThisLine = tokens.length;
tokens = JU.PT.getTokens(this.rd());
} else {
tokens = JU.PT.getTokens(this.rd());
nThisLine = tokens.length;
}for (var i = 0; i < nThisLine; i++) {
mos[i] =  new java.util.Hashtable();
data[i] =  new JU.Lst();
var sym;
if (isNOtype) {
mos[i].put("occupancy", Float.$valueOf(JU.PT.parseFloat(tokens[i + 2])));
} else {
sym = tokens[i];
mos[i].put("symmetry", sym);
if (sym.indexOf("O") >= 0) mos[i].put("occupancy", Float.$valueOf(2));
 else if (sym.indexOf("V") >= 0) mos[i].put("occupancy", Float.$valueOf(0));
}}
if (isNOtype) continue;
this.line = this.rd().substring(21);
tokens = this.getTokens();
if (tokens.length != nThisLine) tokens = J.adapter.smarter.AtomSetCollectionReader.getStrings(this.line, nThisLine, 10);
for (var i = 0; i < nThisLine; i++) {
mos[i].put("energy", Float.$valueOf(tokens[i]));
}
continue;
} else if (this.line.length < 21 || (this.line.charAt(5) != ' ' && !JU.PT.isDigit(this.line.charAt(5)))) {
continue;
}try {
this.line = JU.PT.rep(this.line, " 0 ", "0  ");
tokens = this.getTokens();
var type = tokens[tokens.length - nThisLine - 1].substring(1);
if (JU.PT.isDigit(type.charAt(0))) type = type.substring(1);
if (!J.quantum.QS.isQuantumBasisSupported(type.charAt(0)) && "XYZ".indexOf(type.charAt(0)) >= 0) type = (type.length == 2 ? "D" : "F") + type;
if (!J.quantum.QS.isQuantumBasisSupported(type.charAt(0))) continue;
tokens = J.adapter.smarter.AtomSetCollectionReader.getStrings(this.line.substring(this.line.length - 10 * nThisLine), nThisLine, 10);
for (var i = 0; i < nThisLine; i++) data[i].addLast(tokens[i]);

} catch (e) {
if (Clazz.exceptionOf(e, Exception)){
JU.Logger.error("Error reading Gaussian file Molecular Orbitals at line: " + this.line);
break;
} else {
throw e;
}
}
}
this.addMOData(nThisLine, data, mos);
this.setMOData(this.moModelSet != this.asc.atomSetCount);
this.moModelSet = this.asc.atomSetCount;
});
Clazz.defineMethod(c$, "readFrequencies", 
function(key, mustHave){
this.discardLinesUntilContains2(key, ":");
if (this.line == null && mustHave) throw ( new Exception("No frequencies encountered"));
this.line = this.rd();
var ac = this.asc.getLastAtomSetAtomCount();
var data =  new Array(ac);
var temp = null;
var atomIndices =  Clazz.newIntArray (ac, 0);
while (this.line != null && this.line.length > 20 && this.line.indexOf("Temperature") < 0) {
var symmetries = JU.PT.getTokens(this.rd());
this.discardLinesUntilContains(" Frequencies");
if (this.line == null) return;
this.isHighPrecision = (this.line.indexOf("---") > 0);
if (this.isHighPrecision ? !this.allowHighPrecision : this.haveHighPrecision) return;
if (this.isHighPrecision && !this.haveHighPrecision) {
this.appendLoadNote("high precision vibrational modes enabled. Use filter 'NOHP' to disable.");
this.haveHighPrecision = true;
}if (temp == null) temp =  Clazz.newArray(this.isHighPrecision ? 3 : 1, 0, null);
var width = (this.isHighPrecision ? 22 : 15);
var frequencies = JU.PT.getTokensAt(this.line, width);
var red_masses = JU.PT.getTokensAt(this.discardLinesUntilContains(this.isHighPrecision ? "Reduced masses" : "Red. masses"), width);
var frc_consts = JU.PT.getTokensAt(this.discardLinesUntilContains(this.isHighPrecision ? "Force constants" : "Frc consts"), width);
var intensities = JU.PT.getTokensAt(this.discardLinesUntilContains(this.isHighPrecision ? "IR Intensities" : "IR Inten"), width);
var iAtom0 = this.asc.ac;
var frequencyCount = frequencies.length;
var ignore =  Clazz.newBooleanArray(frequencyCount, false);
for (var i = 0; i < frequencyCount; ++i) {
ignore[i] = !this.doGetVibration(++this.vibrationNumber);
if (ignore[i]) continue;
this.asc.cloneAtomSetWithBonds(true);
var name = this.asc.setAtomSetFrequency(this.vibrationNumber, "Calculation " + this.calculationNumber, symmetries[i], frequencies[i], null);
this.appendLoadNote("model " + this.asc.atomSetCount + ": " + name);
this.namedSets.set(this.asc.iSet);
this.asc.setAtomSetModelProperty("ReducedMass", red_masses[i] + " AMU");
this.asc.setAtomSetModelProperty("ForceConstant", frc_consts[i] + " mDyne/A");
this.asc.setAtomSetModelProperty("IRIntensity", intensities[i] + " KM/Mole");
}
this.discardLinesUntilContains(" Atom ");
if (this.isHighPrecision) {
while (true) {
this.fillFrequencyData(iAtom0, 1, ac, ignore, false, 23, 10, null, 9, temp);
if (temp[0] == null) break;
}
} else {
var nLines = 0;
var nMin = frequencyCount * 3 + 1;
while (true) {
this.fillDataBlockFixed(temp, 0, 0, 0);
if (temp[0].length < nMin) break;
atomIndices[nLines] = Integer.$valueOf(temp[0][0]).intValue() - 1;
data[nLines++] = temp[0];
}
this.fillFrequencyData(iAtom0, nLines, ac, ignore, true, 0, 0, atomIndices, 0, data);
}}
}, "~S,~B");
Clazz.defineMethod(c$, "readDipoleMoment", 
function(){
var tokens = JU.PT.getTokens(this.rd());
if (tokens.length != 8) return;
var dipole = JU.V3.new3(this.parseFloatStr(tokens[1]), this.parseFloatStr(tokens[3]), this.parseFloatStr(tokens[5]));
JU.Logger.info("Molecular dipole for model " + this.asc.atomSetCount + " = " + dipole);
this.asc.setCurrentModelInfo("dipole", dipole);
});
Clazz.defineMethod(c$, "readPartialCharges", 
function(){
this.rd();
var ac = this.asc.ac;
var i0 = this.asc.getLastAtomSetAtomIndex();
var atoms = this.asc.atoms;
for (var i = i0; i < ac; ++i) {
while (atoms[i].elementNumber == 0) ++i;

var charge = this.parseFloatStr(JU.PT.getTokens(this.rd())[2]);
atoms[i].partialCharge = charge;
}
JU.Logger.info("Mulliken charges found for Model " + this.asc.atomSetCount);
});
Clazz.defineMethod(c$, "readCSATensors", 
function(){
this.rd();
this.rd();
while (this.line != null && this.line.indexOf("Isotropic") >= 0) {
var iatom = this.parseIntAt(this.line, 0);
var data = (this.rd() + this.rd() + this.rd()).$plit("=");
this.addTensor(iatom, data);
if (this.rd() != null && this.line.indexOf("Eigen") >= 0) this.rd();
}
this.appendLoadNote("NMR shift tensors are available for model=" + (this.asc.iSet + 1) + "\n using \"ellipsoids set 'csa'.");
});
Clazz.defineMethod(c$, "addTensor", 
function(iatom, data){
var i0 = this.asc.getLastAtomSetAtomIndex();
var a =  Clazz.newDoubleArray (3, 3, 0);
for (var i = 0, p = 1; i < 3; i++) {
for (var j = 0; j < 3; j++, p++) {
a[i][j] = this.parseFloatStr(data[p]);
}
}
var t =  new JU.Tensor().setFromAsymmetricTensor(a, "csa", "csa" + iatom);
this.asc.atoms[i0 + iatom - 1].addTensor(t, "csa", false);
System.out.println("calc Tensor " + t + "calc isotropy=" + t.getInfo("isotropy") + " anisotropy=" + t.getInfo("anisotropy") + "\n");
}, "~N,~A");
Clazz.defineMethod(c$, "readCouplings", 
function(){
var type = (this.line.indexOf(" K ") >= 0 ? "K" : "J");
var n = this.asc.getLastAtomSetAtomCount();
var data =  Clazz.newFloatArray (n, n, 0);
var k0 = 0;
while (true) {
this.rd();
for (var i = k0; i < n; i++) {
this.rd();
var tokens = this.getTokens();
for (var j = 1, nj = tokens.length; j < nj; j++) {
var v = this.parseFloatStr(tokens[j]);
data[i][k0 + j - 1] = data[k0 + j - 1][i] = v;
}
}
k0 += 5;
if (k0 >= n) break;
}
System.out.println(data);
this.asc.setModelInfoForSet("NMR_" + type + "_couplings", data, this.asc.iSet);
if (type === "J") {
this.asc.setAtomProperties("J", data, this.asc.iSet, false);
this.appendLoadNote("NMR J Couplings saved for model=" + (this.asc.iSet + 1) + " as property_J;\n use set measurementUnits \"+hz\" to measure them.");
}});
});
;//5.0.1-v7 Mon Aug 17 10:07:10 MDT 2026
