use of cbit.vcell.math.VarIniCount in project vcell by virtualcell.
the class StochMathMapping method refreshMathDescription.
/**
* set up a math description based on current simulationContext.
*/
@Override
protected void refreshMathDescription() throws MappingException, MatrixException, MathException, ExpressionException, ModelException {
// use local variable instead of using getter all the time.
SimulationContext simContext = getSimulationContext();
GeometryClass geometryClass = simContext.getGeometry().getGeometrySpec().getSubVolumes()[0];
Domain domain = new Domain(geometryClass);
// local structure mapping list
StructureMapping[] structureMappings = simContext.getGeometryContext().getStructureMappings();
// We have to check if all the reactions are able to tranform to stochastic jump processes before generating the math.
String stochChkMsg = simContext.getModel().isValidForStochApp();
if (!(stochChkMsg.equals(""))) {
throw new ModelException("Problem updating math description: " + simContext.getName() + "\n" + stochChkMsg);
}
simContext.checkValidity();
//
if (simContext.getGeometry().getDimension() > 0) {
throw new MappingException("nonspatial stochastic math mapping requires 0-dimensional geometry");
}
//
for (int i = 0; i < structureMappings.length; i++) {
if (structureMappings[i] instanceof MembraneMapping) {
if (((MembraneMapping) structureMappings[i]).getCalculateVoltage()) {
throw new MappingException("electric potential not yet supported for particle models");
}
}
}
//
// fail if any events
//
BioEvent[] bioEvents = simContext.getBioEvents();
if (bioEvents != null && bioEvents.length > 0) {
throw new MappingException("events not yet supported for particle-based models");
}
//
// verify that all structures are mapped to subvolumes and all subvolumes are mapped to a structure
//
Structure[] structures = simContext.getGeometryContext().getModel().getStructures();
for (int i = 0; i < structures.length; i++) {
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(structures[i]);
if (sm == null || (sm instanceof FeatureMapping && ((FeatureMapping) sm).getGeometryClass() == null)) {
throw new MappingException("model structure '" + structures[i].getName() + "' not mapped to a geometry subVolume");
}
if (sm != null && (sm instanceof MembraneMapping) && ((MembraneMapping) sm).getVolumeFractionParameter() != null) {
Expression volFractExp = ((MembraneMapping) sm).getVolumeFractionParameter().getExpression();
try {
if (volFractExp != null) {
double volFract = volFractExp.evaluateConstant();
if (volFract >= 1.0) {
throw new MappingException("model structure '" + (getSimulationContext().getModel().getStructureTopology().getInsideFeature(((MembraneMapping) sm).getMembrane()).getName() + "' has volume fraction >= 1.0"));
}
}
} catch (ExpressionException e) {
e.printStackTrace(System.out);
}
}
}
SubVolume[] subVolumes = simContext.getGeometryContext().getGeometry().getGeometrySpec().getSubVolumes();
for (int i = 0; i < subVolumes.length; i++) {
Structure[] mappedStructures = simContext.getGeometryContext().getStructuresFromGeometryClass(subVolumes[i]);
if (mappedStructures == null || mappedStructures.length == 0) {
throw new MappingException("geometry subVolume '" + subVolumes[i].getName() + "' not mapped from a model structure");
}
}
//
// gather only those reactionSteps that are not "excluded"
//
ReactionSpec[] reactionSpecs = simContext.getReactionContext().getReactionSpecs();
Vector<ReactionStep> rsList = new Vector<ReactionStep>();
for (int i = 0; i < reactionSpecs.length; i++) {
if (!reactionSpecs[i].isExcluded()) {
rsList.add(reactionSpecs[i].getReactionStep());
}
}
//
for (ReactionStep reactionStep : rsList) {
Kinetics.UnresolvedParameter[] unresolvedParameters = reactionStep.getKinetics().getUnresolvedParameters();
if (unresolvedParameters != null && unresolvedParameters.length > 0) {
StringBuffer buffer = new StringBuffer();
for (int j = 0; j < unresolvedParameters.length; j++) {
if (j > 0) {
buffer.append(", ");
}
buffer.append(unresolvedParameters[j].getName());
}
throw new MappingException("In Application '" + simContext.getName() + "', " + reactionStep.getDisplayType() + " '" + reactionStep.getName() + "' contains unresolved identifier(s): " + buffer);
}
}
//
// create new MathDescription (based on simContext's previous MathDescription if possible)
//
MathDescription oldMathDesc = simContext.getMathDescription();
mathDesc = null;
if (oldMathDesc != null) {
if (oldMathDesc.getVersion() != null) {
mathDesc = new MathDescription(oldMathDesc.getVersion());
} else {
mathDesc = new MathDescription(oldMathDesc.getName());
}
} else {
mathDesc = new MathDescription(simContext.getName() + "_generated");
}
//
// temporarily place all variables in a hashtable (before binding) and discarding duplicates
//
VariableHash varHash = new VariableHash();
//
// conversion factors
//
Model model = simContext.getModel();
varHash.addVariable(new Constant(getMathSymbol(model.getKMOLE(), null), getIdentifierSubstitutions(model.getKMOLE().getExpression(), model.getKMOLE().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getN_PMOLE(), null), getIdentifierSubstitutions(model.getN_PMOLE().getExpression(), model.getN_PMOLE().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getPI_CONSTANT(), null), getIdentifierSubstitutions(model.getPI_CONSTANT().getExpression(), model.getPI_CONSTANT().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getFARADAY_CONSTANT(), null), getIdentifierSubstitutions(model.getFARADAY_CONSTANT().getExpression(), model.getFARADAY_CONSTANT().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getFARADAY_CONSTANT_NMOLE(), null), getIdentifierSubstitutions(model.getFARADAY_CONSTANT_NMOLE().getExpression(), model.getFARADAY_CONSTANT_NMOLE().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getGAS_CONSTANT(), null), getIdentifierSubstitutions(model.getGAS_CONSTANT().getExpression(), model.getGAS_CONSTANT().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getTEMPERATURE(), null), getIdentifierSubstitutions(new Expression(simContext.getTemperatureKelvin()), model.getTEMPERATURE().getUnitDefinition(), null)));
Enumeration<SpeciesContextMapping> enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = enum1.nextElement();
if (scm.getVariable() instanceof StochVolVariable) {
varHash.addVariable(scm.getVariable());
}
}
// deals with model parameters
ModelParameter[] modelParameters = simContext.getModel().getModelParameters();
for (int j = 0; j < modelParameters.length; j++) {
Expression expr = getSubstitutedExpr(modelParameters[j].getExpression(), true, false);
expr = getIdentifierSubstitutions(expr, modelParameters[j].getUnitDefinition(), geometryClass);
varHash.addVariable(newFunctionOrConstant(getMathSymbol(modelParameters[j], geometryClass), expr, geometryClass));
}
// added July 2009, ElectricalStimulusParameter electric mapping tab
ElectricalStimulus[] elecStimulus = simContext.getElectricalStimuli();
if (elecStimulus.length > 0) {
throw new MappingException("Modles with electrophysiology are not supported for stochastic applications.");
}
for (int j = 0; j < structureMappings.length; j++) {
if (structureMappings[j] instanceof MembraneMapping) {
MembraneMapping memMapping = (MembraneMapping) structureMappings[j];
Parameter initialVoltageParm = memMapping.getInitialVoltageParameter();
try {
Expression exp = initialVoltageParm.getExpression();
exp.evaluateConstant();
varHash.addVariable(newFunctionOrConstant(getMathSymbol(memMapping.getMembrane().getMembraneVoltage(), memMapping.getGeometryClass()), getIdentifierSubstitutions(memMapping.getInitialVoltageParameter().getExpression(), memMapping.getInitialVoltageParameter().getUnitDefinition(), memMapping.getGeometryClass()), memMapping.getGeometryClass()));
} catch (ExpressionException e) {
e.printStackTrace(System.out);
throw new MappingException("Membrane initial voltage: " + initialVoltageParm.getName() + " cannot be evaluated as constant.");
}
}
}
//
for (ReactionStep rs : rsList) {
if (rs.getKinetics() instanceof LumpedKinetics) {
throw new RuntimeException("Lumped Kinetics not yet supported for Stochastic Math Generation");
}
Kinetics.KineticsParameter[] parameters = rs.getKinetics().getKineticsParameters();
for (KineticsParameter parameter : parameters) {
//
if ((parameter.getRole() == Kinetics.ROLE_CurrentDensity) && (parameter.getExpression() == null || parameter.getExpression().isZero())) {
continue;
}
//
// don't add rate, we'll do it later when creating the jump processes
//
// if (parameter.getRole() == Kinetics.ROLE_ReactionRate) {
// continue;
// }
//
// don't add mass action reverse parameter if irreversible
//
// if (!rs.isReversible() && parameters[i].getRole() == Kinetics.ROLE_KReverse){
// continue;
// }
Expression expr = getSubstitutedExpr(parameter.getExpression(), true, false);
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parameter, geometryClass), getIdentifierSubstitutions(expr, parameter.getUnitDefinition(), geometryClass), geometryClass));
}
}
// the parameter "Size" is already put into mathsymbolmapping in refreshSpeciesContextMapping()
for (int i = 0; i < structureMappings.length; i++) {
StructureMapping sm = structureMappings[i];
StructureMapping.StructureMappingParameter parm = sm.getParameterFromRole(StructureMapping.ROLE_Size);
if (parm.getExpression() != null) {
try {
double value = parm.getExpression().evaluateConstant();
varHash.addVariable(new Constant(getMathSymbol(parm, sm.getGeometryClass()), new Expression(value)));
} catch (ExpressionException e) {
// varHash.addVariable(new Function(getMathSymbol0(parm,sm),getIdentifierSubstitutions(parm.getExpression(),parm.getUnitDefinition(),sm)));
e.printStackTrace(System.out);
throw new MappingException("Size of structure:" + sm.getNameScope().getName() + " cannot be evaluated as constant.");
}
}
}
SpeciesContextSpec[] speciesContextSpecs = getSimulationContext().getReactionContext().getSpeciesContextSpecs();
addInitialConditions(domain, speciesContextSpecs, varHash);
//
// constant species (either function or constant)
//
enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = (SpeciesContextMapping) enum1.nextElement();
if (scm.getVariable() instanceof Constant) {
varHash.addVariable(scm.getVariable());
}
}
//
if (simContext.getGeometryContext().getGeometry() != null) {
try {
mathDesc.setGeometry(simContext.getGeometryContext().getGeometry());
} catch (java.beans.PropertyVetoException e) {
e.printStackTrace(System.out);
throw new MappingException("failure setting geometry " + e.getMessage());
}
} else {
throw new MappingException("Geometry must be defined in Application " + simContext.getName());
}
//
// create subDomains
//
SubVolume subVolume = simContext.getGeometry().getGeometrySpec().getSubVolumes()[0];
SubDomain subDomain = new CompartmentSubDomain(subVolume.getName(), 0);
mathDesc.addSubDomain(subDomain);
//
// functions: species which is not a variable, but has dependency expression
//
enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = (SpeciesContextMapping) enum1.nextElement();
if (scm.getVariable() == null && scm.getDependencyExpression() != null) {
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(scm.getSpeciesContext().getStructure());
Expression exp = scm.getDependencyExpression();
exp.bindExpression(this);
SpeciesCountParameter spCountParam = getSpeciesCountParameter(scm.getSpeciesContext());
varHash.addVariable(new Function(getMathSymbol(spCountParam, sm.getGeometryClass()), getIdentifierSubstitutions(exp, spCountParam.getUnitDefinition(), sm.getGeometryClass()), domain));
}
}
addJumpProcesses(varHash, geometryClass, subDomain);
//
for (int i = 0; i < fieldMathMappingParameters.length; i++) {
if (fieldMathMappingParameters[i] instanceof UnitFactorParameter) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(fieldMathMappingParameters[i], geometryClass), getIdentifierSubstitutions(fieldMathMappingParameters[i].getExpression(), fieldMathMappingParameters[i].getUnitDefinition(), geometryClass), fieldMathMappingParameters[i].getGeometryClass()));
}
}
//
// set Variables to MathDescription all at once with the order resolved by "VariableHash"
//
mathDesc.setAllVariables(varHash.getAlphabeticallyOrderedVariables());
//
// set up variable initial conditions in subDomain
//
SpeciesContextSpec[] scSpecs = simContext.getReactionContext().getSpeciesContextSpecs();
for (int i = 0; i < speciesContextSpecs.length; i++) {
// get stochastic variable by name
SpeciesCountParameter spCountParam = getSpeciesCountParameter(speciesContextSpecs[i].getSpeciesContext());
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
String varName = getMathSymbol(spCountParam, sm.getGeometryClass());
StochVolVariable var = (StochVolVariable) mathDesc.getVariable(varName);
// stochastic use initial number of particles
SpeciesContextSpec.SpeciesContextSpecParameter initParm = scSpecs[i].getInitialCountParameter();
// stochastic variables initial expression.
if (initParm != null) {
VarIniCondition varIni = null;
if (!scSpecs[i].isConstant() && getSimulationContext().isRandomizeInitCondition()) {
varIni = new VarIniPoissonExpectedCount(var, new Expression(getMathSymbol(initParm, sm.getGeometryClass())));
} else {
varIni = new VarIniCount(var, new Expression(getMathSymbol(initParm, sm.getGeometryClass())));
}
subDomain.addVarIniCondition(varIni);
}
}
//
for (int i = 0; i < fieldMathMappingParameters.length; i++) {
if (fieldMathMappingParameters[i] instanceof UnitFactorParameter) {
Variable variable = newFunctionOrConstant(getMathSymbol(fieldMathMappingParameters[i], geometryClass), getIdentifierSubstitutions(fieldMathMappingParameters[i].getExpression(), fieldMathMappingParameters[i].getUnitDefinition(), geometryClass), fieldMathMappingParameters[i].getGeometryClass());
if (mathDesc.getVariable(variable.getName()) == null) {
mathDesc.addVariable(variable);
}
}
if (fieldMathMappingParameters[i] instanceof ObservableCountParameter) {
Variable variable = newFunctionOrConstant(getMathSymbol(fieldMathMappingParameters[i], geometryClass), getIdentifierSubstitutions(fieldMathMappingParameters[i].getExpression(), fieldMathMappingParameters[i].getUnitDefinition(), geometryClass), fieldMathMappingParameters[i].getGeometryClass());
if (mathDesc.getVariable(variable.getName()) == null) {
mathDesc.addVariable(variable);
}
}
}
if (!mathDesc.isValid()) {
lg.error(mathDesc.getVCML_database());
throw new MappingException("generated an invalid mathDescription: " + mathDesc.getWarning());
}
}
use of cbit.vcell.math.VarIniCount in project vcell by virtualcell.
the class StochFileWriter method write.
/**
* Write the model to a text file which serves as an input for Stochastic simulation engine.
* Creation date: (6/22/2006 5:37:26 PM)
*/
public void write(String[] parameterNames) throws Exception, ExpressionException {
Simulation simulation = simTask.getSimulation();
SimulationSymbolTable simSymbolTable = simTask.getSimulationJob().getSimulationSymbolTable();
initialize();
if (bUseMessaging) {
writeJMSParamters();
}
// Write control information
printWriter.println("<control>");
cbit.vcell.solver.SolverTaskDescription solverTaskDescription = simulation.getSolverTaskDescription();
cbit.vcell.solver.TimeBounds timeBounds = solverTaskDescription.getTimeBounds();
cbit.vcell.solver.OutputTimeSpec outputTimeSpec = solverTaskDescription.getOutputTimeSpec();
ErrorTolerance errorTolerance = solverTaskDescription.getErrorTolerance();
NonspatialStochSimOptions stochOpt = solverTaskDescription.getStochOpt();
printWriter.println("STARTING_TIME" + "\t" + timeBounds.getStartingTime());
printWriter.println("ENDING_TIME " + "\t" + timeBounds.getEndingTime());
// pw.println("MAX_ITERATION"+"\t"+outputTimeSpec.getKeepAtMost());
printWriter.println("TOLERANCE " + "\t" + errorTolerance.getAbsoluteErrorTolerance());
if (outputTimeSpec.isDefault()) {
printWriter.println("SAMPLE_INTERVAL" + "\t" + ((DefaultOutputTimeSpec) outputTimeSpec).getKeepEvery());
printWriter.println("MAX_SAVE_POINTS" + "\t" + ((DefaultOutputTimeSpec) outputTimeSpec).getKeepAtMost());
} else if (outputTimeSpec.isUniform()) {
printWriter.println("SAVE_PERIOD" + "\t" + ((UniformOutputTimeSpec) outputTimeSpec).getOutputTimeStep());
// need to overwrite limit hardcoded in C++
double savePoints = (timeBounds.getEndingTime() - timeBounds.getStartingTime()) / ((UniformOutputTimeSpec) outputTimeSpec).getOutputTimeStep();
printWriter.println("MAX_SAVE_POINTS" + "\t" + (Math.ceil(savePoints) + 1));
}
// boolean isMultiTrial = !solverTaskDescription.getStochOpt().isHistogram() &&
// solverTaskDescription.getStochOpt().getNumOfTrials() > 1;
// //Multi-trial 'NUM_TRIAL' handled by slurm array within .slurm.sh script
// printWriter.println("NUM_TRIAL"+"\t"+(isMultiTrial?1:solverTaskDescription.getStochOpt().getNumOfTrials()));
printWriter.println("NUM_TRIAL" + "\t" + solverTaskDescription.getStochOpt().getNumOfTrials());
if (stochOpt.isUseCustomSeed()) {
printWriter.println("SEED" + "\t" + stochOpt.getCustomSeed());
} else {
// we generate our own random seed
RandomDataGenerator rdg = new RandomDataGenerator();
int randomSeed = rdg.nextInt(1, Integer.MAX_VALUE);
printWriter.println("SEED" + "\t" + randomSeed);
}
if (isMultiTrialNonHisto) {
printWriter.println("BMULTIBUTNOTHISTO" + "\t" + "1");
}
printWriter.println("</control>");
printWriter.println();
// write model information
// Model info. will be extracted from subDomain of mathDescription
Enumeration<SubDomain> e = simulation.getMathDescription().getSubDomains();
SubDomain subDomain = null;
if (e.hasMoreElements()) {
subDomain = e.nextElement();
}
if (subDomain != null) {
printWriter.println("<model>");
// variables
printWriter.println("<discreteVariables>");
// Species iniCondition (if in concentration) is sampled from a poisson distribution(which has a mean of the current iniExp value)
// There is only one subDomain for compartmental model
List<VarIniCondition> varInis = subDomain.getVarIniConditions();
if ((varInis != null) && (varInis.size() > 0)) {
RandomDataGenerator dist = new RandomDataGenerator();
if (simulation.getSolverTaskDescription().getStochOpt().isUseCustomSeed()) {
Integer randomSeed = simulation.getSolverTaskDescription().getStochOpt().getCustomSeed();
if (randomSeed != null) {
dist.reSeed(randomSeed);
}
}
printWriter.println("TotalVars" + "\t" + varInis.size());
for (VarIniCondition varIniCondition : varInis) {
try {
Expression iniExp = varIniCondition.getIniVal();
iniExp.bindExpression(simSymbolTable);
iniExp = simSymbolTable.substituteFunctions(iniExp).flatten();
double expectedCount = iniExp.evaluateConstant();
// 1000 mill
final Integer limit = 1000000000;
if (limit < expectedCount) {
String eMessage = "The Initial count for Species '" + varIniCondition.getVar().getName() + "' is " + BigDecimal.valueOf(expectedCount).toBigInteger() + "\n";
eMessage += "which is higher than the internal vCell limit of " + limit + ".\n";
eMessage += "Please reduce the Initial Condition value for this Species or reduce the compartment size.";
throw new MathFormatException(eMessage);
}
long varCount = 0;
if (varIniCondition instanceof VarIniCount) {
varCount = (long) Math.round(expectedCount);
} else {
if (expectedCount > 0) {
varCount = dist.nextPoisson(expectedCount);
}
}
// System.out.println("expectedCount: " + expectedCount + ", varCount: " + varCount);
printWriter.println(varIniCondition.getVar().getName() + "\t" + varCount);
} catch (ExpressionException ex) {
ex.printStackTrace();
throw new MathFormatException("variable " + varIniCondition.getVar().getName() + "'s initial condition is required to be a constant.");
}
}
} else
printWriter.println("TotalVars" + "\t" + "0");
printWriter.println("</discreteVariables>");
printWriter.println();
// jump processes
printWriter.println("<jumpProcesses>");
List<JumpProcess> jumpProcesses = subDomain.getJumpProcesses();
if ((jumpProcesses != null) && (jumpProcesses.size() > 0)) {
printWriter.println("TotalProcesses" + "\t" + jumpProcesses.size());
for (int i = 0; i < jumpProcesses.size(); i++) {
printWriter.println(jumpProcesses.get(i).getName());
}
} else
printWriter.println("TotalProcesses" + "\t" + "0");
printWriter.println("</jumpProcesses>");
printWriter.println();
// process description
printWriter.println("<processDesc>");
if ((jumpProcesses != null) && (jumpProcesses.size() > 0)) {
printWriter.println("TotalDescriptions" + "\t" + jumpProcesses.size());
for (int i = 0; i < jumpProcesses.size(); i++) {
JumpProcess temProc = (JumpProcess) jumpProcesses.get(i);
// jump process name
printWriter.println("JumpProcess" + "\t" + temProc.getName());
Expression probExp = temProc.getProbabilityRate();
try {
probExp.bindExpression(simSymbolTable);
probExp = simSymbolTable.substituteFunctions(probExp).flatten();
if (!isValidProbabilityExpression(probExp)) {
throw new MathFormatException("probability rate in jump process " + temProc.getName() + " has illegal symbols(should only contain variable names).");
}
} catch (cbit.vcell.parser.ExpressionException ex) {
ex.printStackTrace();
throw new cbit.vcell.parser.ExpressionException("Binding math description error in probability rate in jump process " + temProc.getName() + ". Some symbols can not be resolved.");
}
// Expression temp = replaceVarIniInProbability(probExp);
// Propensity
printWriter.println("\t" + "Propensity" + "\t" + probExp.infix());
// effects
printWriter.println("\t" + "Effect" + "\t" + temProc.getActions().size());
for (int j = 0; j < temProc.getActions().size(); j++) {
printWriter.print("\t\t" + ((Action) temProc.getActions().get(j)).getVar().getName() + "\t" + ((Action) temProc.getActions().get(j)).getOperation());
printWriter.println("\t" + ((Action) temProc.getActions().get(j)).evaluateOperand());
printWriter.println();
}
// dependencies
Vector<String> dependencies = getDependencies(temProc, jumpProcesses);
if ((dependencies != null) && (dependencies.size() > 0)) {
printWriter.println("\t" + "DependentProcesses" + "\t" + dependencies.size());
for (int j = 0; j < dependencies.size(); j++) printWriter.println("\t\t" + dependencies.elementAt(j));
} else
printWriter.println("\t" + "DependentProcesses" + "\t" + "0");
printWriter.println();
}
} else
printWriter.println("TotalDescriptions" + "\t" + "0");
printWriter.println("</processDesc>");
printWriter.println("</model>");
}
// if (subDomain != null)
}
use of cbit.vcell.math.VarIniCount in project vcell by virtualcell.
the class XmlReader method getVarIniCount.
/**
* This method return a VarIniCondition object from a XML element.
* Creation date: (7/24/2006 5:26:05 PM)
* @return cbit.vcell.math.VarIniCondition
* @param param org.jdom.Element
* @exception cbit.vcell.xml.XmlParseException The exception description.
*/
private VarIniCondition getVarIniCount(Element param, MathDescription md) throws XmlParseException, MathException, ExpressionException {
// retrieve values
Expression exp = unMangleExpression(param.getText());
String name = unMangle(param.getAttributeValue(XMLTags.NameAttrTag));
Variable var = md.getVariable(name);
if (var == null) {
throw new MathFormatException("variable " + name + " not defined");
}
if (!(var instanceof StochVolVariable)) {
throw new MathFormatException("variable " + name + " not a Stochastic Volume Variable");
}
try {
VarIniCondition varIni = new VarIniCount(var, exp);
return varIni;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
use of cbit.vcell.math.VarIniCount in project vcell by virtualcell.
the class StochMathMapping_4_8 method refreshMathDescription.
/**
* set up a math description based on current simulationContext.
*/
private void refreshMathDescription() throws MappingException, MatrixException, MathException, ExpressionException, ModelException {
// use local variable instead of using getter all the time.
SimulationContext simContext = getSimulationContext();
// local structure mapping list
StructureMapping[] structureMappings = simContext.getGeometryContext().getStructureMappings();
// We have to check if all the reactions are able to tranform to stochastic jump processes before generating the math.
String stochChkMsg = simContext.getModel().isValidForStochApp();
if (!(stochChkMsg.equals(""))) {
throw new ModelException("Problem updating math description: " + simContext.getName() + "\n" + stochChkMsg);
}
// All sizes must be set for new ODE models and ratios must be set for old ones.
simContext.checkValidity();
//
// verify that all structures are mapped to subvolumes and all subvolumes are mapped to a structure
//
Structure[] structures = simContext.getGeometryContext().getModel().getStructures();
for (int i = 0; i < structures.length; i++) {
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(structures[i]);
if (sm == null || (sm instanceof FeatureMapping && getSubVolume(((FeatureMapping) sm)) == null)) {
throw new MappingException("model structure '" + structures[i].getName() + "' not mapped to a geometry subVolume");
}
if (sm != null && (sm instanceof MembraneMapping) && ((MembraneMapping) sm).getVolumeFractionParameter() != null) {
Expression volFractExp = ((MembraneMapping) sm).getVolumeFractionParameter().getExpression();
try {
if (volFractExp != null) {
double volFract = volFractExp.evaluateConstant();
if (volFract >= 1.0) {
throw new MappingException("model structure '" + (getSimulationContext().getModel().getStructureTopology().getInsideFeature(((MembraneMapping) sm).getMembrane()).getName() + "' has volume fraction >= 1.0"));
}
}
} catch (ExpressionException e) {
e.printStackTrace(System.out);
}
}
}
SubVolume[] subVolumes = simContext.getGeometryContext().getGeometry().getGeometrySpec().getSubVolumes();
for (int i = 0; i < subVolumes.length; i++) {
if (getStructures(subVolumes[i]) == null || getStructures(subVolumes[i]).length == 0) {
throw new MappingException("geometry subVolume '" + subVolumes[i].getName() + "' not mapped from a model structure");
}
}
//
// gather only those reactionSteps that are not "excluded"
//
ReactionSpec[] reactionSpecs = simContext.getReactionContext().getReactionSpecs();
Vector<ReactionStep> rsList = new Vector<ReactionStep>();
for (int i = 0; i < reactionSpecs.length; i++) {
if (reactionSpecs[i].isExcluded() == false) {
rsList.add(reactionSpecs[i].getReactionStep());
}
}
ReactionStep[] reactionSteps = new ReactionStep[rsList.size()];
rsList.copyInto(reactionSteps);
//
for (int i = 0; i < reactionSteps.length; i++) {
Kinetics.UnresolvedParameter[] unresolvedParameters = reactionSteps[i].getKinetics().getUnresolvedParameters();
if (unresolvedParameters != null && unresolvedParameters.length > 0) {
StringBuffer buffer = new StringBuffer();
for (int j = 0; j < unresolvedParameters.length; j++) {
if (j > 0) {
buffer.append(", ");
}
buffer.append(unresolvedParameters[j].getName());
}
throw new MappingException(reactionSteps[i].getDisplayType() + " '" + reactionSteps[i].getName() + "' contains unresolved identifier(s): " + buffer);
}
}
//
// create new MathDescription (based on simContext's previous MathDescription if possible)
//
MathDescription oldMathDesc = simContext.getMathDescription();
mathDesc = null;
if (oldMathDesc != null) {
if (oldMathDesc.getVersion() != null) {
mathDesc = new MathDescription(oldMathDesc.getVersion());
} else {
mathDesc = new MathDescription(oldMathDesc.getName());
}
} else {
mathDesc = new MathDescription(simContext.getName() + "_generated");
}
//
// temporarily place all variables in a hashtable (before binding) and discarding duplicates
//
VariableHash varHash = new VariableHash();
//
// conversion factors
//
Model model = simContext.getModel();
ModelUnitSystem modelUnitSystem = model.getUnitSystem();
varHash.addVariable(new Constant(getMathSymbol(model.getKMOLE(), null), getIdentifierSubstitutions(model.getKMOLE().getExpression(), model.getKMOLE().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getN_PMOLE(), null), getIdentifierSubstitutions(model.getN_PMOLE().getExpression(), model.getN_PMOLE().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getFARADAY_CONSTANT(), null), getIdentifierSubstitutions(model.getFARADAY_CONSTANT().getExpression(), model.getFARADAY_CONSTANT().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getFARADAY_CONSTANT_NMOLE(), null), getIdentifierSubstitutions(model.getFARADAY_CONSTANT_NMOLE().getExpression(), model.getFARADAY_CONSTANT_NMOLE().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getGAS_CONSTANT(), null), getIdentifierSubstitutions(model.getGAS_CONSTANT().getExpression(), model.getGAS_CONSTANT().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getTEMPERATURE(), null), getIdentifierSubstitutions(new Expression(simContext.getTemperatureKelvin()), model.getTEMPERATURE().getUnitDefinition(), null)));
Enumeration<SpeciesContextMapping> enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = enum1.nextElement();
if (scm.getVariable() instanceof StochVolVariable) {
varHash.addVariable(scm.getVariable());
}
}
//
// add rate term for all reactions
// add current source terms for each reaction step in a membrane
//
/*for (int i = 0; i < reactionSteps.length; i++){
boolean bAllReactionParticipantsFixed = true;
ReactionParticipant rp_Array[] = reactionSteps[i].getReactionParticipants();
for (int j = 0; j < rp_Array.length; j++) {
SpeciesContextSpec scs = getSimulationContext().getReactionContext().getSpeciesContextSpec(rp_Array[j].getSpeciesContext());
if (!(rp_Array[j] instanceof Catalyst) && !scs.isConstant()){
bAllReactionParticipantsFixed = false; // found at least one reactionParticipant that is not fixed and needs this rate
}
}
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(reactionSteps[i].getStructure());
}---don't think it's useful, isn't it?*/
// deals with model parameters
ModelParameter[] modelParameters = simContext.getModel().getModelParameters();
for (int j = 0; j < modelParameters.length; j++) {
Expression expr = getSubstitutedExpr(modelParameters[j].getExpression(), true, false);
expr = getIdentifierSubstitutions(expr, modelParameters[j].getUnitDefinition(), null);
varHash.addVariable(newFunctionOrConstant(getMathSymbol(modelParameters[j], null), expr));
}
// added July 2009, ElectricalStimulusParameter electric mapping tab
ElectricalStimulus[] elecStimulus = simContext.getElectricalStimuli();
if (elecStimulus.length > 0) {
throw new MappingException("Modles with electrophysiology are not supported for stochastic applications.");
}
for (int j = 0; j < structureMappings.length; j++) {
if (structureMappings[j] instanceof MembraneMapping) {
MembraneMapping memMapping = (MembraneMapping) structureMappings[j];
Parameter initialVoltageParm = memMapping.getInitialVoltageParameter();
try {
Expression exp = initialVoltageParm.getExpression();
exp.evaluateConstant();
varHash.addVariable(newFunctionOrConstant(getMathSymbol(memMapping.getMembrane().getMembraneVoltage(), memMapping), getIdentifierSubstitutions(memMapping.getInitialVoltageParameter().getExpression(), memMapping.getInitialVoltageParameter().getUnitDefinition(), memMapping)));
} catch (ExpressionException e) {
e.printStackTrace(System.out);
throw new MappingException("Membrane initial voltage: " + initialVoltageParm.getName() + " cannot be evaluated as constant.");
}
}
}
//
for (int j = 0; j < reactionSteps.length; j++) {
ReactionStep rs = reactionSteps[j];
if (simContext.getReactionContext().getReactionSpec(rs).isExcluded()) {
continue;
}
if (rs.getKinetics() instanceof LumpedKinetics) {
throw new RuntimeException("Lumped Kinetics not yet supported for Stochastic Math Generation");
}
Kinetics.KineticsParameter[] parameters = rs.getKinetics().getKineticsParameters();
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(rs.getStructure());
if (parameters != null) {
for (int i = 0; i < parameters.length; i++) {
if ((parameters[i].getRole() == Kinetics.ROLE_CurrentDensity) && (parameters[i].getExpression() == null || parameters[i].getExpression().isZero())) {
continue;
}
// don't add rate, we'll do it later when creating the jump processes
if (parameters[i].getRole() != Kinetics.ROLE_ReactionRate) {
Expression expr = getSubstitutedExpr(parameters[i].getExpression(), true, false);
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parameters[i], sm), getIdentifierSubstitutions(expr, parameters[i].getUnitDefinition(), sm)));
}
}
}
}
// the parameter "Size" is already put into mathsymbolmapping in refreshSpeciesContextMapping()
for (int i = 0; i < structureMappings.length; i++) {
StructureMapping sm = structureMappings[i];
StructureMapping.StructureMappingParameter parm = sm.getParameterFromRole(StructureMapping.ROLE_Size);
if (parm.getExpression() != null) {
try {
double value = parm.getExpression().evaluateConstant();
varHash.addVariable(new Constant(getMathSymbol(parm, sm), new Expression(value)));
} catch (ExpressionException e) {
// varHash.addVariable(new Function(getMathSymbol0(parm,sm),getIdentifierSubstitutions(parm.getExpression(),parm.getUnitDefinition(),sm)));
e.printStackTrace(System.out);
throw new MappingException("Size of structure:" + sm.getNameScope().getName() + " cannot be evaluated as constant.");
}
}
}
//
// species initial values (either function or constant)
//
SpeciesContextSpec[] speciesContextSpecs = simContext.getReactionContext().getSpeciesContextSpecs();
for (int i = 0; i < speciesContextSpecs.length; i++) {
// can be concentration or amount
SpeciesContextSpec.SpeciesContextSpecParameter initParam = null;
Expression iniExp = null;
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
if (speciesContextSpecs[i].getInitialConcentrationParameter() != null && speciesContextSpecs[i].getInitialConcentrationParameter().getExpression() != null) {
// use concentration, need to set up amount functions
initParam = speciesContextSpecs[i].getInitialConcentrationParameter();
iniExp = initParam.getExpression();
iniExp = getSubstitutedExpr(iniExp, true, !speciesContextSpecs[i].isConstant());
// now create the appropriate function or Constant for the speciesContextSpec.
varHash.addVariable(newFunctionOrConstant(getMathSymbol(initParam, sm), getIdentifierSubstitutions(iniExp, initParam.getUnitDefinition(), sm)));
// add function for initial amount
SpeciesContextSpec.SpeciesContextSpecParameter initAmountParam = speciesContextSpecs[i].getInitialCountParameter();
Expression iniAmountExp = getExpressionConcToAmt(new Expression(initParam, getNameScope()), speciesContextSpecs[i].getSpeciesContext());
// iniAmountExp.bindExpression(this);
varHash.addVariable(new Function(getMathSymbol(initAmountParam, sm), getIdentifierSubstitutions(iniAmountExp, initAmountParam.getUnitDefinition(), sm), nullDomain));
} else if (speciesContextSpecs[i].getInitialCountParameter() != null && speciesContextSpecs[i].getInitialCountParameter().getExpression() != null) {
// use amount
initParam = speciesContextSpecs[i].getInitialCountParameter();
iniExp = initParam.getExpression();
iniExp = getSubstitutedExpr(iniExp, false, !speciesContextSpecs[i].isConstant());
// now create the appropriate function or Constant for the speciesContextSpec.
varHash.addVariable(newFunctionOrConstant(getMathSymbol(initParam, sm), getIdentifierSubstitutions(iniExp, initParam.getUnitDefinition(), sm)));
}
// add spConcentration (concentration of species) to varHash as function or constant
SpeciesConcentrationParameter spConcParam = getSpeciesConcentrationParameter(speciesContextSpecs[i].getSpeciesContext());
varHash.addVariable(newFunctionOrConstant(getMathSymbol(spConcParam, sm), getIdentifierSubstitutions(spConcParam.getExpression(), spConcParam.getUnitDefinition(), sm)));
}
//
// constant species (either function or constant)
//
enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = (SpeciesContextMapping) enum1.nextElement();
if (scm.getVariable() instanceof Constant) {
varHash.addVariable(scm.getVariable());
}
}
//
if (simContext.getGeometryContext().getGeometry() != null) {
try {
mathDesc.setGeometry(simContext.getGeometryContext().getGeometry());
} catch (java.beans.PropertyVetoException e) {
e.printStackTrace(System.out);
throw new MappingException("failure setting geometry " + e.getMessage());
}
} else {
throw new MappingException("geometry must be defined");
}
//
// functions: species which is not a variable, but has dependency expression
//
enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = (SpeciesContextMapping) enum1.nextElement();
if (scm.getVariable() == null && scm.getDependencyExpression() != null) {
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(scm.getSpeciesContext().getStructure());
Expression exp = scm.getDependencyExpression();
exp.bindExpression(this);
SpeciesCountParameter spCountParam = getSpeciesCountParameter(scm.getSpeciesContext());
varHash.addVariable(new Function(getMathSymbol(spCountParam, sm), getIdentifierSubstitutions(exp, spCountParam.getUnitDefinition(), sm), nullDomain));
}
}
//
// create subDomains
//
SubDomain subDomain = null;
subVolumes = simContext.getGeometryContext().getGeometry().getGeometrySpec().getSubVolumes();
for (int j = 0; j < subVolumes.length; j++) {
SubVolume subVolume = (SubVolume) subVolumes[j];
//
// get priority of subDomain
//
int priority;
Feature spatialFeature = getResolvedFeature(subVolume);
if (spatialFeature == null) {
if (simContext.getGeometryContext().getGeometry().getDimension() > 0) {
throw new MappingException("no compartment (in Physiology) is mapped to subdomain '" + subVolume.getName() + "' (in Geometry)");
} else {
priority = CompartmentSubDomain.NON_SPATIAL_PRIORITY;
}
} else {
// now does not have to match spatial feature, *BUT* needs to be unique
priority = j;
}
subDomain = new CompartmentSubDomain(subVolume.getName(), priority);
mathDesc.addSubDomain(subDomain);
}
// ReactionSpec[] reactionSpecs = simContext.getReactionContext().getReactionSpecs();---need to take a look here!
for (int i = 0; i < reactionSpecs.length; i++) {
if (reactionSpecs[i].isExcluded()) {
continue;
}
// get the reaction
ReactionStep reactionStep = reactionSpecs[i].getReactionStep();
Kinetics kinetics = reactionStep.getKinetics();
// the structure where reaction happens
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(reactionStep.getStructure());
// create symbol table for jump process based on reactionStep and structure mapping
// final ReactionStep finalRS = reactionStep;
// final StructureMapping finalSM = sm;
// SymbolTable symTable = new SymbolTable(){
// public SymbolTableEntry getEntry(String identifierString) throws ExpressionBindingException {
// SymbolTableEntry ste = finalRS.getEntry(identifierString);
// if(ste == null)
// {
// ste = finalSM.getEntry(identifierString);
// }
// return ste;
// }
// };
// Different ways to deal with simple reactions and flux reactions
// probability parameter from modelUnitSystem
VCUnitDefinition probabilityParamUnit = modelUnitSystem.getStochasticSubstanceUnit().divideBy(modelUnitSystem.getTimeUnit());
if (// simple reactions
reactionStep instanceof SimpleReaction) {
// check the reaction rate law to see if we need to decompose a reaction(reversible) into two jump processes.
// rate constants are important in calculating the probability rate.
// for Mass Action, we use KForward and KReverse,
// for General Kinetics we parse reaction rate J to see if it is in Mass Action form.
Expression forwardRate = null;
Expression reverseRate = null;
if (kinetics.getKineticsDescription().equals(KineticsDescription.MassAction)) {
forwardRate = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_KForward).getExpression();
reverseRate = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_KReverse).getExpression();
} else if (kinetics.getKineticsDescription().equals(KineticsDescription.General)) {
Expression rateExp = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_ReactionRate).getExpression();
MassActionSolver.MassActionFunction maFunc = MassActionSolver.solveMassAction(null, null, rateExp, reactionStep);
if (maFunc.getForwardRate() == null && maFunc.getReverseRate() == null) {
throw new MappingException("Cannot generate stochastic math mapping for the reaction:" + reactionStep.getName() + "\nLooking for the rate function according to the form of k1*Reactant1^Stoir1*Reactant2^Stoir2...-k2*Product1^Stoip1*Product2^Stoip2.");
} else {
if (maFunc.getForwardRate() != null) {
forwardRate = maFunc.getForwardRate();
}
if (maFunc.getReverseRate() != null) {
reverseRate = maFunc.getReverseRate();
}
}
}
/*else if (kinetics.getKineticsDescription().getName().compareTo(KineticsDescription.HMM_irreversible.getName())==0)
{
forwardRate = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_Km).getExpression();
}
else if (kinetics.getKineticsDescription().getName().compareTo(KineticsDescription.HMM_reversible.getName())==0)
{
forwardRate = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_KmFwd).getExpression();
reverseRate = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_KmRev).getExpression();
}*/
boolean isForwardRatePresent = false;
boolean isReverseRatePresent = false;
if (forwardRate != null) {
isForwardRatePresent = true;
}
if (reverseRate != null) {
isReverseRatePresent = true;
}
// we process it as forward reaction
if ((isForwardRatePresent)) /*|| ((forwardRate == null) && (reverseRate == null))*/
{
// get jump process name
String jpName = TokenMangler.mangleToSName(reactionStep.getName());
// get probability
Expression exp = null;
// reactions are mass actions
exp = getProbabilityRate(reactionStep, true);
// bind symbol table before substitute identifiers in the reaction step
exp.bindExpression(this);
MathMapping_4_8.ProbabilityParameter probParm = null;
try {
probParm = addProbabilityParameter("P_" + jpName, exp, MathMapping_4_8.PARAMETER_ROLE_P, probabilityParamUnit, reactionSpecs[i]);
} catch (PropertyVetoException pve) {
pve.printStackTrace();
throw new MappingException(pve.getMessage());
}
// add probability to function or constant
varHash.addVariable(newFunctionOrConstant(getMathSymbol(probParm, sm), getIdentifierSubstitutions(exp, probabilityParamUnit, sm)));
JumpProcess jp = new JumpProcess(jpName, new Expression(getMathSymbol(probParm, sm)));
// actions
ReactionParticipant[] reacPart = reactionStep.getReactionParticipants();
for (int j = 0; j < reacPart.length; j++) {
Action action = null;
SpeciesCountParameter spCountParam = getSpeciesCountParameter(reacPart[j].getSpeciesContext());
if (reacPart[j] instanceof Reactant) {
// check if the reactant is a constant. If the species is a constant, there will be no action taken on this species
if (// not a constant
!simContext.getReactionContext().getSpeciesContextSpec(reacPart[j].getSpeciesContext()).isConstant()) {
int stoi = ((Reactant) reacPart[j]).getStoichiometry();
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression("-" + String.valueOf(stoi)));
jp.addAction(action);
}
} else if (reacPart[j] instanceof Product) {
// check if the product is a constant. If the product is a constant, there will be no action taken on this species
if (// not a constant
!simContext.getReactionContext().getSpeciesContextSpec(reacPart[j].getSpeciesContext()).isConstant()) {
int stoi = ((Product) reacPart[j]).getStoichiometry();
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression(stoi));
jp.addAction(action);
}
}
}
// add jump process to compartment subDomain
subDomain.addJumpProcess(jp);
}
if (// one more jump process for a reversible reaction
isReverseRatePresent) {
// get jump process name
String jpName = TokenMangler.mangleToSName(reactionStep.getName()) + "_reverse";
Expression exp = null;
// reactions are mass actions
exp = getProbabilityRate(reactionStep, false);
// bind symbol table before substitute identifiers in the reaction step
exp.bindExpression(this);
MathMapping_4_8.ProbabilityParameter probRevParm = null;
try {
probRevParm = addProbabilityParameter("P_" + jpName, exp, MathMapping_4_8.PARAMETER_ROLE_P_reverse, probabilityParamUnit, reactionSpecs[i]);
} catch (PropertyVetoException pve) {
pve.printStackTrace();
throw new MappingException(pve.getMessage());
}
// add probability to function or constant
varHash.addVariable(newFunctionOrConstant(getMathSymbol(probRevParm, sm), getIdentifierSubstitutions(exp, probabilityParamUnit, sm)));
JumpProcess jp = new JumpProcess(jpName, new Expression(getMathSymbol(probRevParm, sm)));
// actions
ReactionParticipant[] reacPart = reactionStep.getReactionParticipants();
for (int j = 0; j < reacPart.length; j++) {
Action action = null;
SpeciesCountParameter spCountParam = getSpeciesCountParameter(reacPart[j].getSpeciesContext());
if (reacPart[j] instanceof Reactant) {
// check if the reactant is a constant. If the species is a constant, there will be no action taken on this species
if (// not a constant
!simContext.getReactionContext().getSpeciesContextSpec(reacPart[j].getSpeciesContext()).isConstant()) {
int stoi = ((Reactant) reacPart[j]).getStoichiometry();
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression(stoi));
jp.addAction(action);
}
} else if (reacPart[j] instanceof Product) {
// check if the product is a constant. If the product is a constant, there will be no action taken on this species
if (// not a constant
!simContext.getReactionContext().getSpeciesContextSpec(reacPart[j].getSpeciesContext()).isConstant()) {
int stoi = ((Product) reacPart[j]).getStoichiometry();
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression("-" + String.valueOf(stoi)));
jp.addAction(action);
}
}
}
// add jump process to compartment subDomain
subDomain.addJumpProcess(jp);
}
// end of if(isForwardRateNonZero), if(isReverseRateNonRate)
} else if (// flux reactions
reactionStep instanceof FluxReaction) {
// we could set jump processes for general flux rate in forms of p1*Sout + p2*Sin
if (kinetics.getKineticsDescription().equals(KineticsDescription.General)) {
Expression fluxRate = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_ReactionRate).getExpression();
// we have to pass the math description para to flux solver, coz somehow math description in simulation context is not updated.
MassActionSolver.MassActionFunction fluxFunc = MassActionSolver.solveMassAction(null, null, fluxRate, (FluxReaction) reactionStep);
// create jump process for forward flux if it exists.
if (fluxFunc.getForwardRate() != null && !fluxFunc.getForwardRate().isZero()) {
// jump process name
// +"_reverse";
String jpName = TokenMangler.mangleToSName(reactionStep.getName());
// we do it here instead of fluxsolver, coz we need to use getMathSymbol0(), structuremapping...etc.
Expression rate = fluxFunc.getForwardRate();
// get species expression (depend on structure, if mem: Species/mem_Size, if vol: species*KMOLE/vol_size)
SpeciesContext scOut = fluxFunc.getReactants().get(0).getSpeciesContext();
Expression speciesFactor = null;
if (scOut.getStructure() instanceof Feature) {
Expression exp1 = new Expression(Model.reservedConstantsMap.get(ReservedSymbolRole.KMOLE));
Expression exp2 = new Expression(scOut.getStructure().getStructureSize(), getNameScope());
speciesFactor = Expression.div(Expression.invert(exp1), exp2);
} else {
throw new MappingException("Species involved in a flux have to be volume species.");
}
Expression speciesExp = Expression.mult(speciesFactor, new Expression(scOut, getNameScope()));
// get probability expression by adding factor to rate (rate: rate*size_mem/KMOLE)
Expression expr1 = Expression.mult(rate, speciesExp);
Expression numeratorExpr = Expression.mult(expr1, new Expression(sm.getStructure().getStructureSize(), getNameScope()));
Expression exp = new Expression(Model.reservedConstantsMap.get(ReservedSymbolRole.KMOLE));
Expression probExp = Expression.mult(numeratorExpr, exp);
// bind symbol table before substitute identifiers in the reaction step
probExp.bindExpression(reactionStep);
MathMapping_4_8.ProbabilityParameter probParm = null;
try {
probParm = addProbabilityParameter("P_" + jpName, probExp, MathMapping_4_8.PARAMETER_ROLE_P, probabilityParamUnit, reactionSpecs[i]);
} catch (PropertyVetoException pve) {
pve.printStackTrace();
throw new MappingException(pve.getMessage());
}
// add probability to function or constant
varHash.addVariable(newFunctionOrConstant(getMathSymbol(probParm, sm), getIdentifierSubstitutions(probExp, probabilityParamUnit, sm)));
JumpProcess jp = new JumpProcess(jpName, new Expression(getMathSymbol(probParm, sm)));
// actions
Action action = null;
SpeciesContext sc = fluxFunc.getReactants().get(0).getSpeciesContext();
if (!simContext.getReactionContext().getSpeciesContextSpec(sc).isConstant()) {
SpeciesCountParameter spCountParam = getSpeciesCountParameter(sc);
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression(-1));
jp.addAction(action);
}
sc = fluxFunc.getProducts().get(0).getSpeciesContext();
if (!simContext.getReactionContext().getSpeciesContextSpec(sc).isConstant()) {
SpeciesCountParameter spCountParam = getSpeciesCountParameter(sc);
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression(1));
jp.addAction(action);
}
subDomain.addJumpProcess(jp);
}
if (fluxFunc.getReverseRate() != null && !fluxFunc.getReverseRate().isZero()) {
// jump process name
String jpName = TokenMangler.mangleToSName(reactionStep.getName()) + "_reverse";
Expression rate = fluxFunc.getReverseRate();
// get species expression (depend on structure, if mem: Species/mem_Size, if vol: species*KMOLE/vol_size)
SpeciesContext scIn = fluxFunc.getProducts().get(0).getSpeciesContext();
Expression speciesFactor = null;
if (scIn.getStructure() instanceof Feature) {
Expression exp1 = new Expression(Model.reservedConstantsMap.get(ReservedSymbolRole.KMOLE));
Expression exp2 = new Expression(scIn.getStructure().getStructureSize(), getNameScope());
speciesFactor = Expression.div(Expression.invert(exp1), exp2);
} else {
throw new MappingException("Species involved in a flux have to be volume species.");
}
Expression speciesExp = Expression.mult(speciesFactor, new Expression(scIn, getNameScope()));
// get probability expression by adding factor to rate (rate: rate*size_mem/KMOLE)
Expression expr1 = Expression.mult(rate, speciesExp);
Expression numeratorExpr = Expression.mult(expr1, new Expression(sm.getStructure().getStructureSize(), getNameScope()));
Expression exp = new Expression(Model.reservedConstantsMap.get(ReservedSymbolRole.KMOLE));
Expression probRevExp = Expression.mult(numeratorExpr, exp);
// bind symbol table before substitute identifiers in the reaction step
probRevExp.bindExpression(reactionStep);
MathMapping_4_8.ProbabilityParameter probRevParm = null;
try {
probRevParm = addProbabilityParameter("P_" + jpName, probRevExp, MathMapping_4_8.PARAMETER_ROLE_P_reverse, probabilityParamUnit, reactionSpecs[i]);
} catch (PropertyVetoException pve) {
pve.printStackTrace();
throw new MappingException(pve.getMessage());
}
// add probability to function or constant
varHash.addVariable(newFunctionOrConstant(getMathSymbol(probRevParm, sm), getIdentifierSubstitutions(probRevExp, probabilityParamUnit, sm)));
JumpProcess jp = new JumpProcess(jpName, new Expression(getMathSymbol(probRevParm, sm)));
// actions
Action action = null;
SpeciesContext sc = fluxFunc.getReactants().get(0).getSpeciesContext();
if (!simContext.getReactionContext().getSpeciesContextSpec(sc).isConstant()) {
SpeciesCountParameter spCountParam = getSpeciesCountParameter(sc);
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression(1));
jp.addAction(action);
}
sc = fluxFunc.getProducts().get(0).getSpeciesContext();
if (!simContext.getReactionContext().getSpeciesContextSpec(sc).isConstant()) {
SpeciesCountParameter spCountParam = getSpeciesCountParameter(sc);
action = new Action(varHash.getVariable(getMathSymbol(spCountParam, sm)), "inc", new Expression(-1));
jp.addAction(action);
}
subDomain.addJumpProcess(jp);
}
}
}
// end of if (simplereaction)...else if(fluxreaction)
}
// end of reaction step loop
//
// set Variables to MathDescription all at once with the order resolved by "VariableHash"
//
mathDesc.setAllVariables(varHash.getAlphabeticallyOrderedVariables());
// set up variable initial conditions in subDomain
SpeciesContextSpec[] scSpecs = simContext.getReactionContext().getSpeciesContextSpecs();
for (int i = 0; i < speciesContextSpecs.length; i++) {
// get stochastic variable by name
SpeciesCountParameter spCountParam = getSpeciesCountParameter(speciesContextSpecs[i].getSpeciesContext());
StructureMapping sm = simContext.getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
String varName = getMathSymbol(spCountParam, sm);
if (scSpecs[i].isConstant()) {
continue;
}
StochVolVariable var = (StochVolVariable) mathDesc.getVariable(varName);
// stochastic use initial number of particles
SpeciesContextSpec.SpeciesContextSpecParameter initParm = scSpecs[i].getInitialCountParameter();
// stochastic variables initial expression.
if (initParm != null) {
VarIniCondition varIni = new VarIniCount(var, new Expression(getMathSymbol(initParm, sm)));
subDomain.addVarIniCondition(varIni);
}
}
if (!mathDesc.isValid()) {
throw new MappingException("generated an invalid mathDescription: " + mathDesc.getWarning());
}
}
use of cbit.vcell.math.VarIniCount in project vcell by virtualcell.
the class NetCDFWriter method writeHybridInputFile.
/**
* Write the model to a NetCDF file which serves as an input for stoch hybrid simulator.
* To write to a NetCDF file is a bit complicated. First, we have to create a NetCDF-3
* file. And then feed in the data.
* Creation date: (5/22/2007 5:36:03 PM)
*/
public void writeHybridInputFile(String[] parameterNames) throws Exception, cbit.vcell.parser.ExpressionException, IOException, MathException, InvalidRangeException {
Simulation simulation = simTask.getSimulation();
SimulationSymbolTable simSymbolTable = simTask.getSimulationJob().getSimulationSymbolTable();
if (initialize()) {
// we need to get model and control information first
NetcdfFileWriteable ncfile = NetcdfFileWriteable.createNew(filename, false);
// Model info. will be extracted from subDomain of mathDescription
java.util.Enumeration<SubDomain> e = simulation.getMathDescription().getSubDomains();
// remember we are dealing with compartmental model here. only 1 subdomain.
SubDomain subDomain = e.nextElement();
JumpProcess[] reactions = (JumpProcess[]) subDomain.getJumpProcesses().toArray(new JumpProcess[subDomain.getJumpProcesses().size()]);
// get species variable names
Variable[] variables = simSymbolTable.getVariables();
String[] speciesNames = new String[variables.length];
for (int i = 0; i < variables.length; i++) speciesNames[i] = variables[i].getName();
// the probabilities for reactions
Expression[] probs = new Expression[reactions.length];
for (int i = 0; i < reactions.length; i++) {
probs[i] = simSymbolTable.substituteFunctions(reactions[i].getProbabilityRate());
probs[i] = probs[i].flatten();
}
VarIniCondition[] varInis = (VarIniCondition[]) subDomain.getVarIniConditions().toArray(new VarIniCondition[subDomain.getVarIniConditions().size()]);
// the non-constant stoch variables
Vector<Variable> vars = new Vector<Variable>();
for (int i = 0; i < varInis.length; i++) {
if (varInis[i].getVar() instanceof StochVolVariable) {
vars.addElement(varInis[i].getVar());
}
}
// get reaction rate law types and rate constants
ReactionRateLaw[] reactionRateLaws = getReactionRateLaws(probs);
SolverTaskDescription solverTaskDescription = simulation.getSolverTaskDescription();
TimeBounds timeBounds = solverTaskDescription.getTimeBounds();
UniformOutputTimeSpec timeSpec = (UniformOutputTimeSpec) solverTaskDescription.getOutputTimeSpec();
UniformOutputTimeSpec outputTimeSpec = ((UniformOutputTimeSpec) solverTaskDescription.getOutputTimeSpec());
NonspatialStochSimOptions stochOpt = solverTaskDescription.getStochOpt();
// create an empty NetCDF-3 file
// define dimensions
/* these sizes must match the buffers allocated in corresponding Fortran code -- see globalvariables.f90
in numerics Hy3S/src directory */
Dimension numTrial = ncfile.addDimension("NumTrials", (int) stochOpt.getNumOfTrials());
Dimension numSpecies = ncfile.addDimension("NumSpecies", vars.size());
Dimension numReactions = ncfile.addDimension("NumReactions", subDomain.getJumpProcesses().size());
int outPoints = ((int) ((timeBounds.getEndingTime() - timeBounds.getStartingTime()) / outputTimeSpec.getOutputTimeStep())) + 1;
Dimension numTimePoints = ncfile.addDimension("NumTimePoints", outPoints);
Dimension numModels = ncfile.addDimension("NumModels", 1);
Dimension numMaxDepList = ncfile.addDimension("NumMaxDepList", 6);
Dimension numMaxStoichList = ncfile.addDimension("NumMaxStoichList", 25);
Dimension stringLen = ncfile.addDimension("StringLen", 72);
// define variables
// jms info
ArrayList<Dimension> dims = new ArrayList<Dimension>();
dims.add(stringLen);
if (bMessaging) {
ncfile.addVariable("JMS_BROKER", DataType.CHAR, dims);
ncfile.addVariable("JMS_USER", DataType.CHAR, dims);
ncfile.addVariable("JMS_PASSWORD", DataType.CHAR, dims);
ncfile.addVariable("JMS_QUEUE", DataType.CHAR, dims);
ncfile.addVariable("JMS_TOPIC", DataType.CHAR, dims);
ncfile.addVariable("VCELL_USER", DataType.CHAR, dims);
ncfile.addVariable("SIMULATION_KEY", DataType.INT, new ArrayList<Dimension>());
ncfile.addVariable("JOB_INDEX", DataType.INT, new ArrayList<Dimension>());
}
// scalars
ncfile.addVariable("TStart", DataType.DOUBLE, new ArrayList<Dimension>());
ncfile.addVariable("TEnd", DataType.DOUBLE, new ArrayList<Dimension>());
ncfile.addVariable("SaveTime", DataType.DOUBLE, new ArrayList<Dimension>());
ncfile.addVariable("Volume", DataType.DOUBLE, new ArrayList<Dimension>());
ncfile.addVariable("CellGrowthTime", DataType.DOUBLE, new ArrayList<Dimension>());
ncfile.addVariable("CellGrowthTimeSD", DataType.DOUBLE, new ArrayList<Dimension>());
ncfile.addVariable("ExpType", DataType.INT, new ArrayList<Dimension>());
ncfile.addVariable("LastTrial", DataType.INT, new ArrayList<Dimension>());
ncfile.addVariable("LastModel", DataType.INT, new ArrayList<Dimension>());
ncfile.addVariable("MaxNumModels", DataType.INT, new ArrayList<Dimension>());
ncfile.addVariable("NumModels", DataType.INT, new ArrayList<Dimension>());
// variables with at least 1 dimension
ArrayList<Dimension> dimspecies = new ArrayList<Dimension>();
dimspecies.add(numSpecies);
ArrayList<Dimension> dimreactions = new ArrayList<Dimension>();
dimreactions.add(numReactions);
ncfile.addVariable("SpeciesSplitOnDivision", DataType.INT, dimspecies);
ncfile.addVariable("SaveSpeciesData", DataType.INT, dimspecies);
ncfile.addVariable("Reaction_Rate_Laws", DataType.INT, dimreactions);
ncfile.addVariable("Reaction_DListLen", DataType.INT, dimreactions);
ncfile.addVariable("Reaction_StoichListLen", DataType.INT, dimreactions);
ncfile.addVariable("Reaction_OptionalData", DataType.INT, dimreactions);
dims.clear();
dims.add(numReactions);
dims.add(numMaxStoichList);
ncfile.addVariable("Reaction_StoichCoeff", DataType.INT, dims);
ncfile.addVariable("Reaction_StoichSpecies", DataType.INT, dims);
dims.clear();
dims.add(numReactions);
dims.add(numMaxDepList);
ncfile.addVariable("Reaction_DepList", DataType.INT, dims);
dims.clear();
dims.add(numReactions);
dims.add(stringLen);
ncfile.addVariable("Reaction_names", DataType.CHAR, dims);
dims.clear();
dims.add(numSpecies);
dims.add(stringLen);
ncfile.addVariable("Species_names", DataType.CHAR, dims);
ncfile.addVariable("SpeciesIC", DataType.INT, dimspecies);
dims.clear();
dims.add(numReactions);
dims.add(numMaxDepList);
ncfile.addVariable("Reaction_Rate_Constants", DataType.DOUBLE, dims);
// create the file
try {
ncfile.create();
} catch (IOException ioe) {
ioe.printStackTrace(System.err);
throw new IOException("Error creating hybrid file " + filename + ": " + ioe.getMessage());
}
// write data to the NetCDF file
try {
// write jms info
if (bMessaging) {
ArrayChar.D1 jmsString = new ArrayChar.D1(stringLen.getLength());
String jmshost = PropertyLoader.getRequiredProperty(PropertyLoader.jmsSimHostExternal);
//
// Used for new REST HTTP messaging api (USE THIS WHEN Hyrbid Solvers are compiled).
//
// String jmsrestport = PropertyLoader.getRequiredProperty(PropertyLoader.jmsRestPortExternal);
// String jmsurl = jmshost+":"+jmsrestport;
//
// connect to messaging using legacy AMQP protocol instead of new REST api. Needed for legacy pre-compiled solvers.
//
String jmsport = PropertyLoader.getRequiredProperty(PropertyLoader.jmsSimPortExternal);
String jmsurl = "failover:(tcp://" + jmshost + ":" + jmsport + ")";
jmsString.setString(jmsurl);
ncfile.write("JMS_BROKER", jmsString);
jmsString.setString(PropertyLoader.getRequiredProperty(PropertyLoader.jmsUser));
ncfile.write("JMS_USER", jmsString);
String jmsPassword = PropertyLoader.getSecretValue(PropertyLoader.jmsPasswordValue, PropertyLoader.jmsPasswordFile);
jmsString.setString(jmsPassword);
ncfile.write("JMS_PASSWORD", jmsString);
jmsString.setString(VCellQueue.WorkerEventQueue.getName());
ncfile.write("JMS_QUEUE", jmsString);
jmsString.setString(VCellTopic.ServiceControlTopic.getName());
ncfile.write("JMS_TOPIC", jmsString);
jmsString.setString(simulation.getVersion().getOwner().getName());
ncfile.write("VCELL_USER", jmsString);
ArrayInt.D0 scalarJMS = new ArrayInt.D0();
scalarJMS.set(Integer.parseInt(simulation.getVersion().getVersionKey() + ""));
ncfile.write("SIMULATION_KEY", scalarJMS);
scalarJMS.set(simTask.getSimulationJob().getJobIndex());
ncfile.write("JOB_INDEX", scalarJMS);
}
ArrayDouble.D0 scalarDouble = new ArrayDouble.D0();
// TStart, TEnd, SaveTime
if ((timeBounds.getEndingTime() > timeBounds.getStartingTime()) && (outputTimeSpec.getOutputTimeStep() > 0)) {
scalarDouble.set(timeBounds.getStartingTime());
ncfile.write("TStart", scalarDouble);
scalarDouble.set(timeBounds.getEndingTime());
ncfile.write("TEnd", scalarDouble);
scalarDouble.set(outputTimeSpec.getOutputTimeStep());
ncfile.write("SaveTime", scalarDouble);
} else {
System.err.println("Time setting error. Ending time smaller than starting time or save interval is not a positive value.");
throw new RuntimeException("Time setting error. Ending time smaller than starting time or save interval is not a positive value.");
}
// Volume
// we set volume to 1. This model file cannot support multi-compartmental sizes.
// When writting the rate constants, we must take the volume into account according to the reaction type.
scalarDouble.set(1);
ncfile.write("Volume", scalarDouble);
// CellGrowthTime, CellGrowthTimeSD,
scalarDouble.set(0);
ncfile.write("CellGrowthTime", scalarDouble);
ncfile.write("CellGrowthTimeSD", scalarDouble);
// ExpType, Last Trial, Last Model, MaxNumModels, NumModels
ArrayInt.D0 scalarInt = new ArrayInt.D0();
scalarInt.set(0);
ncfile.write("LastTrial", scalarInt);
ncfile.write("LastModel", scalarInt);
scalarInt.set(1);
ncfile.write("ExpType", scalarInt);
ncfile.write("MaxNumModels", scalarInt);
ncfile.write("NumModels", scalarInt);
// SpeciesSplitOnDivision
ArrayInt A1 = new ArrayInt.D1(numSpecies.getLength());
Index idx = A1.getIndex();
for (int i = 0; i < numSpecies.getLength(); i++) {
A1.setInt(idx.set(i), 0);
}
ncfile.write("SpeciesSplitOnDivision", new int[1], A1);
// SaveSpeciesData
ArrayInt A2 = new ArrayInt.D1(numSpecies.getLength());
idx = A2.getIndex();
for (int i = 0; i < numSpecies.getLength(); i++) {
A2.setInt(idx.set(i), 1);
}
ncfile.write("SaveSpeciesData", new int[1], A2);
// Reaction_Rate_Laws
ArrayInt A3 = new ArrayInt.D1(numReactions.getLength());
idx = A3.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
A3.setInt(idx.set(i), reactionRateLaws[i].getLawType());
}
ncfile.write("Reaction_Rate_Laws", new int[1], A3);
// Reaction_DListLen
ArrayInt A4 = new ArrayInt.D1(numReactions.getLength());
idx = A4.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
if (reactionRateLaws[i].getLawType() == ReactionRateLaw.order_0)
A4.setInt(idx.set(i), 0);
else if ((reactionRateLaws[i].getLawType() == ReactionRateLaw.order_1) || (reactionRateLaws[i].getLawType() == ReactionRateLaw.order_2_1substrate) || (reactionRateLaws[i].getLawType() == ReactionRateLaw.order_3_1substrate))
A4.setInt(idx.set(i), 1);
else if ((reactionRateLaws[i].getLawType() == ReactionRateLaw.order_2_2substrate) || (reactionRateLaws[i].getLawType() == ReactionRateLaw.order_3_2substrate))
A4.setInt(idx.set(i), 2);
else if (reactionRateLaws[i].getLawType() == ReactionRateLaw.order_3_3substrate)
A4.setInt(idx.set(i), 3);
}
ncfile.write("Reaction_DListLen", new int[1], A4);
// Reaction_StoichListLen
ArrayInt A5 = new ArrayInt.D1(numReactions.getLength());
idx = A5.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
A5.setInt(idx.set(i), reactions[i].getActions().size());
}
ncfile.write("Reaction_StoichListLen", new int[1], A5);
// Reaction_OptionalData
ArrayInt A6 = new ArrayInt.D1(numReactions.getLength());
idx = A6.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
A6.setInt(idx.set(i), 0);
}
ncfile.write("Reaction_OptionalData", new int[1], A6);
// Reaction_StoichCoeff
ArrayInt A7 = new ArrayInt.D2(numReactions.getLength(), numMaxStoichList.getLength());
idx = A7.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
Action[] actions = (Action[]) reactions[i].getActions().toArray(new Action[reactions[i].getActions().size()]);
for (int j = 0; j < actions.length; j++) {
try {
actions[j].getOperand().evaluateConstant();
int coeff = (int) Math.round(actions[j].getOperand().evaluateConstant());
A7.setInt(idx.set(i, j), coeff);
} catch (ExpressionException ex) {
ex.printStackTrace(System.err);
throw new ExpressionException(ex.getMessage());
}
}
}
ncfile.write("Reaction_StoichCoeff", new int[2], A7);
// Reaction_StoichSpecies
ArrayInt A8 = new ArrayInt.D2(numReactions.getLength(), numMaxStoichList.getLength());
idx = A8.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
ArrayList<Action> actions = reactions[i].getActions();
for (int j = 0; j < actions.size(); j++) {
A8.setInt(idx.set(i, j), getVariableIndex(((Action) actions.get(j)).getVar().getName(), vars));
}
}
ncfile.write("Reaction_StoichSpecies", new int[2], A8);
// Reaction_DepList
ArrayInt A9 = new ArrayInt.D2(numReactions.getLength(), numMaxDepList.getLength());
idx = A9.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
ReactionRateLaw rl = reactionRateLaws[i];
Hashtable<String, Integer> tem = varInProbOrderHash[i];
Enumeration<String> varnames = tem.keys();
if (rl.getLawType() == ReactionRateLaw.order_0) {
// don't do anything here.
} else if ((rl.getLawType() == ReactionRateLaw.order_1) || (rl.getLawType() == ReactionRateLaw.order_2_1substrate) || (rl.getLawType() == ReactionRateLaw.order_3_1substrate) || (rl.getLawType() == ReactionRateLaw.order_2_2substrate) || (rl.getLawType() == ReactionRateLaw.order_3_3substrate)) {
int j = 0;
while (varnames.hasMoreElements()) {
String name = varnames.nextElement();
A9.setInt(idx.set(i, j), getVariableIndex(name, vars));
j++;
}
} else if (rl.getLawType() == ReactionRateLaw.order_3_2substrate) {
int order = 0;
String highOrderName = "";
String lowOrderName = "";
// we must make sure to put the higher order species first.
while (varnames.hasMoreElements()) {
lowOrderName = varnames.nextElement();
if (tem.get(lowOrderName) > order) {
String s = highOrderName;
highOrderName = lowOrderName;
lowOrderName = s;
order = tem.get(highOrderName);
}
}
A9.setInt(idx.set(i, 0), getVariableIndex(highOrderName, vars));
A9.setInt(idx.set(i, 1), getVariableIndex(lowOrderName, vars));
}
}
ncfile.write("Reaction_DepList", new int[2], A9);
// Reaction_names
ArrayChar A10 = new ArrayChar.D2(numReactions.getLength(), stringLen.getLength());
for (int i = 0; i < numReactions.getLength(); i++) {
String name = reactions[i].getName();
int diff = stringLen.getLength() - name.length();
if (diff >= 0) {
for (int j = 0; j < diff; j++) {
name = name + " ";
}
A10.setString(i, name);
} else
throw new RuntimeException("Name of Reaction:" + name + " is too long. Please shorten to " + stringLen.getLength() + " chars.");
}
ncfile.write("Reaction_names", A10);
// Species_names
ArrayChar A11 = new ArrayChar.D2(numSpecies.getLength(), stringLen.getLength());
for (int i = 0; i < numSpecies.getLength(); i++) {
String name = vars.elementAt(i).getName();
int diff = stringLen.getLength() - name.length();
if (diff >= 0) {
for (int j = 0; j < diff; j++) {
name = name + " ";
}
A11.setString(i, name);
} else
throw new RuntimeException("Name of Species:" + name + " is too long. Please shorten to " + stringLen.getLength() + " chars.");
}
ncfile.write("Species_names", A11);
// Species Initial Condition (in number of molecules).
// Species iniCondition are sampled from a poisson distribution(which has a mean of the current iniExp value)
RandomDataGenerator dist = new RandomDataGenerator();
if (stochOpt.isUseCustomSeed()) {
Integer randomSeed = stochOpt.getCustomSeed();
if (randomSeed != null) {
dist.reSeed(randomSeed);
}
}
ArrayLong A12 = new ArrayLong.D1(numSpecies.getLength());
idx = A12.getIndex();
for (int i = 0; i < numSpecies.getLength(); i++) {
try {
VarIniCondition varIniCondition = subDomain.getVarIniCondition(vars.elementAt(i));
Expression varIniExp = varIniCondition.getIniVal();
varIniExp.bindExpression(simSymbolTable);
varIniExp = simSymbolTable.substituteFunctions(varIniExp).flatten();
double expectedCount = varIniExp.evaluateConstant();
long varCount = 0;
if (varIniCondition instanceof VarIniCount) {
varCount = (long) expectedCount;
} else {
if (expectedCount > 0) {
varCount = dist.nextPoisson(expectedCount);
}
}
A12.setLong(idx.set(i), varCount);
} catch (ExpressionException ex) {
ex.printStackTrace(System.err);
throw new ExpressionException(ex.getMessage());
}
}
ncfile.write("SpeciesIC", new int[1], A12);
// Reaction_Rate_Constants(NumReactions, NumMaxDepList) ;
ArrayDouble A13 = new ArrayDouble.D2(numReactions.getLength(), numMaxDepList.getLength());
idx = A13.getIndex();
for (int i = 0; i < numReactions.getLength(); i++) {
ReactionRateLaw rl = reactionRateLaws[i];
A13.setDouble(idx.set(i, 0), rl.getRateConstant());
}
ncfile.write("Reaction_Rate_Constants", A13);
} catch (IOException ioe) {
ioe.printStackTrace(System.err);
throw new IOException("Error writing hybrid input file " + filename + ": " + ioe.getMessage());
} catch (InvalidRangeException ire) {
ire.printStackTrace(System.err);
throw new InvalidRangeException("Error writing hybrid input file " + filename + ": " + ire.getMessage());
}
try {
ncfile.close();
} catch (IOException ioe) {
throw new IOException("Error closing file " + filename + ". " + ioe.getMessage());
}
}
}
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