use of cbit.vcell.math.Constant in project vcell by virtualcell.
the class ParticleMathMapping method refreshMathDescription.
/**
* This method was created in VisualAge.
*/
private void refreshMathDescription() throws MappingException, MatrixException, MathException, ExpressionException, ModelException {
getSimulationContext().checkValidity();
if (getSimulationContext().getGeometry().getDimension() == 0) {
throw new MappingException("particle math mapping requires spatial geometry - dimension >= 1");
}
StructureMapping[] structureMappings = getSimulationContext().getGeometryContext().getStructureMappings();
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 = getSimulationContext().getBioEvents();
if (bioEvents != null && bioEvents.length > 0) {
throw new MappingException("events not yet supported for particle-based models");
}
//
// gather only those reactionSteps that are not "excluded"
//
ReactionSpec[] reactionSpecs = getSimulationContext().getReactionContext().getReactionSpecs();
Vector<ReactionStep> rsList = new Vector<ReactionStep>();
for (int i = 0; i < reactionSpecs.length; i++) {
if (reactionSpecs[i].isExcluded() == false) {
if (reactionSpecs[i].isFast()) {
throw new MappingException("fast reactions not supported for particle models");
}
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);
}
}
//
// temporarily place all variables in a hashtable (before binding) and discarding duplicates (check for equality)
//
VariableHash varHash = new VariableHash();
// //
// // verify that all structures are mapped to geometry classes and all geometry classes are mapped to a structure
// //
// Structure structures[] = getSimulationContext().getGeometryContext().getModel().getStructures();
// for (int i = 0; i < structures.length; i++){
// StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(structures[i]);
// if (sm==null || (sm.getGeometryClass() == null)){
// throw new MappingException("model structure '"+structures[i].getName()+"' not mapped to a geometry subdomain");
// }
// if (sm.getUnitSizeParameter()!=null){
// Expression unitSizeExp = sm.getUnitSizeParameter().getExpression();
// if(unitSizeExp != null)
// {
// try {
// double unitSize = unitSizeExp.evaluateConstant();
// if (unitSize != 1.0){
// throw new MappingException("model structure '"+sm.getStructure().getName()+"' unit size = "+unitSize+" != 1.0 ... partial volume or surface mapping not yet supported for particles");
// }
// }catch (ExpressionException e){
// e.printStackTrace(System.out);
// throw new MappingException("couldn't evaluate unit size for model structure '"+sm.getStructure().getName()+"' : "+e.getMessage());
// }
// }
// }
// }
// {
// GeometryClass[] geometryClass = getSimulationContext().getGeometryContext().getGeometry().getGeometryClasses();
// for (int i = 0; i < geometryClass.length; i++){
// Structure[] mappedStructures = getSimulationContext().getGeometryContext().getStructuresFromGeometryClass(geometryClass[i]);
// if (mappedStructures==null || mappedStructures.length==0){
// throw new MappingException("geometryClass '"+geometryClass[i].getName()+"' not mapped from a model structure");
// }
// }
// }
// deals with model parameters
Model model = getSimulationContext().getModel();
ModelUnitSystem modelUnitSystem = model.getUnitSystem();
ModelParameter[] modelParameters = model.getModelParameters();
// populate in globalParameterVariants hashtable
for (int j = 0; j < modelParameters.length; j++) {
Expression modelParamExpr = modelParameters[j].getExpression();
GeometryClass geometryClass = getDefaultGeometryClass(modelParamExpr);
modelParamExpr = getIdentifierSubstitutions(modelParamExpr, modelParameters[j].getUnitDefinition(), geometryClass);
varHash.addVariable(newFunctionOrConstant(getMathSymbol(modelParameters[j], geometryClass), modelParamExpr, geometryClass));
}
//
// create new MathDescription (based on simContext's previous MathDescription if possible)
//
MathDescription oldMathDesc = getSimulationContext().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(getSimulationContext().getName() + "_generated");
}
//
// volume particle variables
//
Enumeration<SpeciesContextMapping> enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = enum1.nextElement();
if (scm.getVariable() instanceof ParticleVariable) {
if (!(mathDesc.getVariable(scm.getVariable().getName()) instanceof ParticleVariable)) {
varHash.addVariable(scm.getVariable());
}
}
}
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(getSimulationContext().getTemperatureKelvin()), model.getTEMPERATURE().getUnitDefinition(), null)));
//
for (int j = 0; j < structureMappings.length; j++) {
if (structureMappings[j] instanceof MembraneMapping) {
MembraneMapping membraneMapping = (MembraneMapping) structureMappings[j];
GeometryClass geometryClass = membraneMapping.getGeometryClass();
//
// don't calculate voltage, still may need it though
//
Parameter initialVoltageParm = membraneMapping.getInitialVoltageParameter();
Variable voltageFunction = newFunctionOrConstant(getMathSymbol(membraneMapping.getMembrane().getMembraneVoltage(), geometryClass), getIdentifierSubstitutions(initialVoltageParm.getExpression(), initialVoltageParm.getUnitDefinition(), geometryClass), geometryClass);
varHash.addVariable(voltageFunction);
varHash.addVariable(newFunctionOrConstant(getMathSymbol(membraneMapping.getMembrane().getMembraneVoltage(), membraneMapping.getGeometryClass()), getIdentifierSubstitutions(membraneMapping.getInitialVoltageParameter().getExpression(), membraneMapping.getInitialVoltageParameter().getUnitDefinition(), membraneMapping.getGeometryClass()), membraneMapping.getGeometryClass()));
}
}
//
for (int j = 0; j < reactionSteps.length; j++) {
ReactionStep rs = reactionSteps[j];
if (getSimulationContext().getReactionContext().getReactionSpec(rs).isExcluded()) {
continue;
}
Kinetics.KineticsParameter[] parameters = rs.getKinetics().getKineticsParameters();
GeometryClass geometryClass = null;
if (rs.getStructure() != null) {
geometryClass = getSimulationContext().getGeometryContext().getStructureMapping(rs.getStructure()).getGeometryClass();
}
if (parameters != null) {
for (int i = 0; i < parameters.length; i++) {
// Reaction rate, currentDensity, LumpedCurrent and null parameters are not going to displayed in the particle math description.
if (((parameters[i].getRole() == Kinetics.ROLE_CurrentDensity) || (parameters[i].getRole() == Kinetics.ROLE_LumpedCurrent) || (parameters[i].getRole() == Kinetics.ROLE_ReactionRate)) || (parameters[i].getExpression() == null)) {
continue;
}
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parameters[i], geometryClass), getIdentifierSubstitutions(parameters[i].getExpression(), parameters[i].getUnitDefinition(), geometryClass), geometryClass));
}
}
}
//
// initial constants (either function or constant)
//
SpeciesContextSpec[] speciesContextSpecs = getSimulationContext().getReactionContext().getSpeciesContextSpecs();
for (int i = 0; i < speciesContextSpecs.length; i++) {
SpeciesContextSpecParameter initParm = null;
Expression initExpr = null;
if (getSimulationContext().isUsingConcentration()) {
initParm = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_InitialConcentration);
initExpr = new Expression(initParm.getExpression());
// if (speciesContextSpecs[i].getSpeciesContext().getStructure() instanceof Feature) {
// initExpr = Expression.div(initExpr, new Expression(model.getKMOLE, getNameScope())).flatten();
// }
} else {
initParm = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_InitialCount);
initExpr = new Expression(initParm.getExpression());
}
if (initExpr != null) {
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
String[] symbols = initExpr.getSymbols();
// Check if 'initExpr' has other speciesContexts in its expression, need to replace it with 'spContext_init'
for (int j = 0; symbols != null && j < symbols.length; j++) {
// if symbol is a speciesContext, replacing it with a reference to initial condition for that speciesContext.
SpeciesContext spC = null;
SymbolTableEntry ste = initExpr.getSymbolBinding(symbols[j]);
if (ste instanceof SpeciesContextSpecProxyParameter) {
SpeciesContextSpecProxyParameter spspp = (SpeciesContextSpecProxyParameter) ste;
if (spspp.getTarget() instanceof SpeciesContext) {
spC = (SpeciesContext) spspp.getTarget();
SpeciesContextSpec spcspec = getSimulationContext().getReactionContext().getSpeciesContextSpec(spC);
SpeciesContextSpecParameter spCInitParm = spcspec.getParameterFromRole(SpeciesContextSpec.ROLE_InitialConcentration);
// if initConc param expression is null, try initCount
if (spCInitParm.getExpression() == null) {
spCInitParm = spcspec.getParameterFromRole(SpeciesContextSpec.ROLE_InitialCount);
}
// need to get init condn expression, but can't get it from getMathSymbol() (mapping between bio and math), hence get it as below.
Expression scsInitExpr = new Expression(spCInitParm, getNameScope());
// scsInitExpr.bindExpression(this);
initExpr.substituteInPlace(new Expression(spC.getName()), scsInitExpr);
}
}
}
// now create the appropriate function for the current speciesContextSpec.
varHash.addVariable(newFunctionOrConstant(getMathSymbol(initParm, sm.getGeometryClass()), getIdentifierSubstitutions(initExpr, initParm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
}
//
for (int i = 0; i < speciesContextSpecs.length; i++) {
SpeciesContextSpec.SpeciesContextSpecParameter diffParm = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_DiffusionRate);
if (diffParm != null) {
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
varHash.addVariable(newFunctionOrConstant(getMathSymbol(diffParm, sm.getGeometryClass()), getIdentifierSubstitutions(diffParm.getExpression(), diffParm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
}
//
for (int i = 0; i < speciesContextSpecs.length; i++) {
SpeciesContextSpec.SpeciesContextSpecParameter bc_xm = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_BoundaryValueXm);
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
if (bc_xm != null && (bc_xm.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(bc_xm, sm.getGeometryClass()), getIdentifierSubstitutions(bc_xm.getExpression(), bc_xm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
SpeciesContextSpec.SpeciesContextSpecParameter bc_xp = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_BoundaryValueXp);
if (bc_xp != null && (bc_xp.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(bc_xp, sm.getGeometryClass()), getIdentifierSubstitutions(bc_xp.getExpression(), bc_xp.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
SpeciesContextSpec.SpeciesContextSpecParameter bc_ym = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_BoundaryValueYm);
if (bc_ym != null && (bc_ym.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(bc_ym, sm.getGeometryClass()), getIdentifierSubstitutions(bc_ym.getExpression(), bc_ym.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
SpeciesContextSpec.SpeciesContextSpecParameter bc_yp = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_BoundaryValueYp);
if (bc_yp != null && (bc_yp.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(bc_yp, sm.getGeometryClass()), getIdentifierSubstitutions(bc_yp.getExpression(), bc_yp.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
SpeciesContextSpec.SpeciesContextSpecParameter bc_zm = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_BoundaryValueZm);
if (bc_zm != null && (bc_zm.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(bc_zm, sm.getGeometryClass()), getIdentifierSubstitutions(bc_zm.getExpression(), bc_zm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
SpeciesContextSpec.SpeciesContextSpecParameter bc_zp = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_BoundaryValueZp);
if (bc_zp != null && (bc_zp.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(bc_zp, sm.getGeometryClass()), getIdentifierSubstitutions(bc_zp.getExpression(), bc_zp.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
}
//
for (int i = 0; i < speciesContextSpecs.length; i++) {
SpeciesContextSpec.SpeciesContextSpecParameter advection_velX = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_VelocityX);
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(speciesContextSpecs[i].getSpeciesContext().getStructure());
GeometryClass geometryClass = sm.getGeometryClass();
if (advection_velX != null && (advection_velX.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(advection_velX, geometryClass), getIdentifierSubstitutions(advection_velX.getExpression(), advection_velX.getUnitDefinition(), geometryClass), geometryClass));
}
SpeciesContextSpec.SpeciesContextSpecParameter advection_velY = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_VelocityY);
if (advection_velY != null && (advection_velY.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(advection_velY, geometryClass), getIdentifierSubstitutions(advection_velY.getExpression(), advection_velY.getUnitDefinition(), geometryClass), geometryClass));
}
SpeciesContextSpec.SpeciesContextSpecParameter advection_velZ = speciesContextSpecs[i].getParameterFromRole(SpeciesContextSpec.ROLE_VelocityZ);
if (advection_velZ != null && (advection_velZ.getExpression() != null)) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(advection_velZ, geometryClass), getIdentifierSubstitutions(advection_velZ.getExpression(), advection_velZ.getUnitDefinition(), geometryClass), geometryClass));
}
}
//
// 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());
}
}
//
// conversion factors
//
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.getKMILLIVOLTS(), null), getIdentifierSubstitutions(model.getKMILLIVOLTS().getExpression(), model.getKMILLIVOLTS().getUnitDefinition(), null)));
varHash.addVariable(new Constant(getMathSymbol(model.getK_GHK(), null), getIdentifierSubstitutions(model.getK_GHK().getExpression(), model.getK_GHK().getUnitDefinition(), null)));
//
for (int i = 0; i < structureMappings.length; i++) {
StructureMapping sm = structureMappings[i];
if (getSimulationContext().getGeometry().getDimension() == 0) {
StructureMappingParameter sizeParm = sm.getSizeParameter();
if (sizeParm != null && sizeParm.getExpression() != null) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(sizeParm, sm.getGeometryClass()), getIdentifierSubstitutions(sizeParm.getExpression(), sizeParm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
} else {
if (sm instanceof MembraneMapping) {
MembraneMapping mm = (MembraneMapping) sm;
StructureMappingParameter volFrac = mm.getVolumeFractionParameter();
if (volFrac != null && volFrac.getExpression() != null) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(volFrac, sm.getGeometryClass()), getIdentifierSubstitutions(volFrac.getExpression(), volFrac.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
StructureMappingParameter surfToVol = mm.getSurfaceToVolumeParameter();
if (surfToVol != null && surfToVol.getExpression() != null) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(surfToVol, sm.getGeometryClass()), getIdentifierSubstitutions(surfToVol.getExpression(), surfToVol.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
}
}
} else {
Parameter parm = sm.getParameterFromRole(StructureMapping.ROLE_AreaPerUnitArea);
if (parm != null && parm.getExpression() != null && sm.getGeometryClass() instanceof SurfaceClass) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parm, sm.getGeometryClass()), getIdentifierSubstitutions(parm.getExpression(), parm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
parm = sm.getParameterFromRole(StructureMapping.ROLE_AreaPerUnitVolume);
if (parm != null && parm.getExpression() != null && sm.getGeometryClass() instanceof SubVolume) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parm, sm.getGeometryClass()), getIdentifierSubstitutions(parm.getExpression(), parm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
parm = sm.getParameterFromRole(StructureMapping.ROLE_VolumePerUnitArea);
if (parm != null && parm.getExpression() != null && sm.getGeometryClass() instanceof SurfaceClass) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parm, sm.getGeometryClass()), getIdentifierSubstitutions(parm.getExpression(), parm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
parm = sm.getParameterFromRole(StructureMapping.ROLE_VolumePerUnitVolume);
if (parm != null && parm.getExpression() != null && sm.getGeometryClass() instanceof SubVolume) {
varHash.addVariable(newFunctionOrConstant(getMathSymbol(parm, sm.getGeometryClass()), getIdentifierSubstitutions(parm.getExpression(), parm.getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass()));
}
}
}
//
// functions
//
enum1 = getSpeciesContextMappings();
while (enum1.hasMoreElements()) {
SpeciesContextMapping scm = (SpeciesContextMapping) enum1.nextElement();
if (scm.getVariable() == null && scm.getDependencyExpression() != null) {
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(scm.getSpeciesContext().getStructure());
Variable dependentVariable = newFunctionOrConstant(getMathSymbol(scm.getSpeciesContext(), sm.getGeometryClass()), getIdentifierSubstitutions(scm.getDependencyExpression(), scm.getSpeciesContext().getUnitDefinition(), sm.getGeometryClass()), sm.getGeometryClass());
dependentVariable.setDomain(new Domain(sm.getGeometryClass()));
varHash.addVariable(dependentVariable);
}
}
//
for (int i = 0; i < fieldMathMappingParameters.length; i++) {
if (fieldMathMappingParameters[i] instanceof UnitFactorParameter) {
GeometryClass geometryClass = fieldMathMappingParameters[i].getGeometryClass();
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());
//
if (getSimulationContext().getGeometryContext().getGeometry() != null) {
try {
mathDesc.setGeometry(getSimulationContext().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");
}
//
// create subdomains (volume and surfaces)
//
GeometryClass[] geometryClasses = getSimulationContext().getGeometryContext().getGeometry().getGeometryClasses();
for (int k = 0; k < geometryClasses.length; k++) {
if (geometryClasses[k] instanceof SubVolume) {
SubVolume subVolume = (SubVolume) geometryClasses[k];
//
// get priority of subDomain
//
// now does not have to match spatial feature, *BUT* needs to be unique
int priority = k;
//
// create subDomain
//
CompartmentSubDomain subDomain = new CompartmentSubDomain(subVolume.getName(), priority);
mathDesc.addSubDomain(subDomain);
//
// assign boundary condition types
//
StructureMapping[] mappedSMs = getSimulationContext().getGeometryContext().getStructureMappings(subVolume);
FeatureMapping mappedFM = null;
for (int i = 0; i < mappedSMs.length; i++) {
if (mappedSMs[i] instanceof FeatureMapping) {
if (mappedFM != null) {
lg.warn("WARNING:::: MathMapping.refreshMathDescription() ... assigning boundary condition types not unique");
}
mappedFM = (FeatureMapping) mappedSMs[i];
}
}
if (mappedFM != null) {
subDomain.setBoundaryConditionXm(mappedFM.getBoundaryConditionTypeXm());
subDomain.setBoundaryConditionXp(mappedFM.getBoundaryConditionTypeXp());
if (getSimulationContext().getGeometry().getDimension() > 1) {
subDomain.setBoundaryConditionYm(mappedFM.getBoundaryConditionTypeYm());
subDomain.setBoundaryConditionYp(mappedFM.getBoundaryConditionTypeYp());
}
if (getSimulationContext().getGeometry().getDimension() > 2) {
subDomain.setBoundaryConditionZm(mappedFM.getBoundaryConditionTypeZm());
subDomain.setBoundaryConditionZp(mappedFM.getBoundaryConditionTypeZp());
}
}
} else if (geometryClasses[k] instanceof SurfaceClass) {
SurfaceClass surfaceClass = (SurfaceClass) geometryClasses[k];
// determine membrane inside and outside subvolume
// this preserves backward compatibility so that membrane subdomain
// inside and outside correspond to structure hierarchy when present
Pair<SubVolume, SubVolume> ret = DiffEquMathMapping.computeBoundaryConditionSource(model, simContext, surfaceClass);
SubVolume innerSubVolume = ret.one;
SubVolume outerSubVolume = ret.two;
//
// create subDomain
//
CompartmentSubDomain outerCompartment = mathDesc.getCompartmentSubDomain(outerSubVolume.getName());
CompartmentSubDomain innerCompartment = mathDesc.getCompartmentSubDomain(innerSubVolume.getName());
MembraneSubDomain memSubDomain = new MembraneSubDomain(innerCompartment, outerCompartment, surfaceClass.getName());
mathDesc.addSubDomain(memSubDomain);
}
}
//
// create Particle Contexts for all Particle Variables
//
Enumeration<SpeciesContextMapping> enumSCM = getSpeciesContextMappings();
Expression unitFactor = getUnitFactor(modelUnitSystem.getStochasticSubstanceUnit().divideBy(modelUnitSystem.getVolumeSubstanceUnit()));
while (enumSCM.hasMoreElements()) {
SpeciesContextMapping scm = enumSCM.nextElement();
SpeciesContext sc = scm.getSpeciesContext();
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(sc.getStructure());
SpeciesContextSpec scs = getSimulationContext().getReactionContext().getSpeciesContextSpec(sc);
if (scm.getVariable() instanceof ParticleVariable && scm.getDependencyExpression() == null) {
ParticleVariable particleVariable = (ParticleVariable) scm.getVariable();
//
// initial distribution of particles
//
ArrayList<ParticleInitialCondition> particleInitialConditions = new ArrayList<ParticleInitialCondition>();
ParticleInitialCondition pic = null;
if (getSimulationContext().isUsingConcentration()) {
Expression initialDistribution = scs.getInitialConcentrationParameter().getExpression() == null ? null : new Expression(getMathSymbol(scs.getInitialConcentrationParameter(), sm.getGeometryClass()));
if (particleVariable instanceof VolumeParticleVariable) {
initialDistribution = Expression.mult(initialDistribution, unitFactor);
}
pic = new ParticleInitialConditionConcentration(initialDistribution);
} else {
Expression initialCount = scs.getInitialCountParameter().getExpression() == null ? null : new Expression(getMathSymbol(scs.getInitialCountParameter(), sm.getGeometryClass()));
if (initialCount == null) {
throw new MappingException("initialCount not defined for speciesContext " + scs.getSpeciesContext().getName());
}
Expression locationX = new Expression("u");
Expression locationY = new Expression("u");
Expression locationZ = new Expression("u");
pic = new ParticleInitialConditionCount(initialCount, locationX, locationY, locationZ);
}
particleInitialConditions.add(pic);
//
// diffusion
//
Expression diffusion = new Expression(getMathSymbol(scs.getDiffusionParameter(), sm.getGeometryClass()));
Expression driftXExp = null;
if (scs.getVelocityXParameter().getExpression() != null) {
driftXExp = new Expression(getMathSymbol(scs.getVelocityXParameter(), sm.getGeometryClass()));
} else {
SpatialQuantity[] velX_quantities = scs.getVelocityQuantities(QuantityComponent.X);
if (velX_quantities.length > 0) {
int numRegions = simContext.getGeometry().getGeometrySurfaceDescription().getGeometricRegions(sm.getGeometryClass()).length;
if (velX_quantities.length == 1 && numRegions == 1) {
driftXExp = new Expression(getMathSymbol(velX_quantities[0], sm.getGeometryClass()));
} else {
throw new MappingException("multiple advection velocities enabled set for multiple volume domains ");
}
}
}
Expression driftYExp = null;
if (scs.getVelocityYParameter().getExpression() != null) {
driftYExp = new Expression(getMathSymbol(scs.getVelocityYParameter(), sm.getGeometryClass()));
} else {
SpatialQuantity[] velY_quantities = scs.getVelocityQuantities(QuantityComponent.Y);
if (velY_quantities.length > 0) {
int numRegions = simContext.getGeometry().getGeometrySurfaceDescription().getGeometricRegions(sm.getGeometryClass()).length;
if (velY_quantities.length == 1 && numRegions == 1) {
driftYExp = new Expression(getMathSymbol(velY_quantities[0], sm.getGeometryClass()));
} else {
throw new MappingException("multiple advection velocities enabled set for multiple volume domains ");
}
}
}
Expression driftZExp = null;
if (scs.getVelocityZParameter().getExpression() != null) {
driftZExp = new Expression(getMathSymbol(scs.getVelocityZParameter(), sm.getGeometryClass()));
} else {
SpatialQuantity[] velZ_quantities = scs.getVelocityQuantities(QuantityComponent.Z);
if (velZ_quantities.length > 0) {
int numRegions = simContext.getGeometry().getGeometrySurfaceDescription().getGeometricRegions(sm.getGeometryClass()).length;
if (velZ_quantities.length == 1 && numRegions == 1) {
driftZExp = new Expression(getMathSymbol(velZ_quantities[0], sm.getGeometryClass()));
} else {
throw new MappingException("multiple advection velocities enabled set for multiple volume domains ");
}
}
}
ParticleProperties particleProperties = new ParticleProperties(particleVariable, diffusion, driftXExp, driftYExp, driftZExp, particleInitialConditions);
GeometryClass myGC = sm.getGeometryClass();
if (myGC == null) {
throw new MappingException("Application '" + getSimulationContext().getName() + "'\nGeometry->StructureMapping->(" + sm.getStructure().getTypeName() + ")'" + sm.getStructure().getName() + "' must be mapped to geometry domain.\n(see 'Problems' tab)");
}
SubDomain subDomain = mathDesc.getSubDomain(myGC.getName());
subDomain.addParticleProperties(particleProperties);
}
}
for (ReactionStep reactionStep : reactionSteps) {
Kinetics kinetics = reactionStep.getKinetics();
StructureMapping sm = getSimulationContext().getGeometryContext().getStructureMapping(reactionStep.getStructure());
GeometryClass reactionStepGeometryClass = sm.getGeometryClass();
SubDomain subdomain = mathDesc.getSubDomain(reactionStepGeometryClass.getName());
KineticsParameter reactionRateParameter = null;
if (kinetics instanceof LumpedKinetics) {
reactionRateParameter = ((LumpedKinetics) kinetics).getLumpedReactionRateParameter();
} else {
reactionRateParameter = ((DistributedKinetics) kinetics).getReactionRateParameter();
}
// macroscopic_irreversible/Microscopic_irreversible for bimolecular membrane reactions. They will NOT go through MassAction solver.
if (kinetics.getKineticsDescription().equals(KineticsDescription.Macroscopic_irreversible) || kinetics.getKineticsDescription().equals(KineticsDescription.Microscopic_irreversible)) {
Expression radiusExp = getIdentifierSubstitutions(reactionStep.getKinetics().getKineticsParameterFromRole(Kinetics.ROLE_Binding_Radius).getExpression(), modelUnitSystem.getBindingRadiusUnit(), reactionStepGeometryClass);
if (radiusExp != null) {
Expression expCopy = new Expression(radiusExp);
try {
MassActionSolver.substituteParameters(expCopy, true).evaluateConstant();
} catch (ExpressionException e) {
throw new MathException(VCellErrorMessages.getMassActionSolverMessage(reactionStep.getName(), "Problem in binding radius of " + reactionStep.getName() + ": '" + radiusExp.infix() + "', " + e.getMessage()));
}
} else {
throw new MathException(VCellErrorMessages.getMassActionSolverMessage(reactionStep.getName(), "Binding radius of " + reactionStep.getName() + " is null."));
}
List<ParticleVariable> reactantParticles = new ArrayList<ParticleVariable>();
List<ParticleVariable> productParticles = new ArrayList<ParticleVariable>();
List<Action> forwardActions = new ArrayList<Action>();
for (ReactionParticipant rp : reactionStep.getReactionParticipants()) {
SpeciesContext sc = rp.getSpeciesContext();
SpeciesContextSpec scs = getSimulationContext().getReactionContext().getSpeciesContextSpec(sc);
GeometryClass scGeometryClass = getSimulationContext().getGeometryContext().getStructureMapping(sc.getStructure()).getGeometryClass();
String varName = getMathSymbol(sc, scGeometryClass);
Variable var = mathDesc.getVariable(varName);
if (var instanceof ParticleVariable) {
ParticleVariable particle = (ParticleVariable) var;
if (rp instanceof Reactant) {
reactantParticles.add(particle);
if (!scs.isConstant() && !scs.isForceContinuous()) {
for (int i = 0; i < Math.abs(rp.getStoichiometry()); i++) {
if (radiusExp != null) {
forwardActions.add(Action.createDestroyAction(particle));
}
}
}
} else if (rp instanceof Product) {
productParticles.add(particle);
if (!scs.isConstant() && !scs.isForceContinuous()) {
for (int i = 0; i < Math.abs(rp.getStoichiometry()); i++) {
if (radiusExp != null) {
forwardActions.add(Action.createCreateAction(particle));
}
}
}
}
} else {
throw new MappingException("particle variable '" + varName + "' not found");
}
}
JumpProcessRateDefinition bindingRadius = new InteractionRadius(radiusExp);
// get jump process name
String jpName = TokenMangler.mangleToSName(reactionStep.getName());
// only for NFSim/Rules for now.
ProcessSymmetryFactor processSymmetryFactor = null;
if (forwardActions.size() > 0) {
ParticleJumpProcess forwardProcess = new ParticleJumpProcess(jpName, reactantParticles, bindingRadius, forwardActions, processSymmetryFactor);
subdomain.addParticleJumpProcess(forwardProcess);
}
} else // other type of reactions
{
/* 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;
// Using the MassActionFunction to write out the math description
MassActionSolver.MassActionFunction maFunc = null;
if (kinetics.getKineticsDescription().equals(KineticsDescription.MassAction) || kinetics.getKineticsDescription().equals(KineticsDescription.General) || kinetics.getKineticsDescription().equals(KineticsDescription.GeneralPermeability)) {
Expression rateExp = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_ReactionRate).getExpression();
Parameter forwardRateParameter = null;
Parameter reverseRateParameter = null;
if (kinetics.getKineticsDescription().equals(KineticsDescription.MassAction)) {
forwardRateParameter = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_KForward);
reverseRateParameter = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_KReverse);
} else if (kinetics.getKineticsDescription().equals(KineticsDescription.GeneralPermeability)) {
forwardRateParameter = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_Permeability);
reverseRateParameter = kinetics.getKineticsParameterFromRole(Kinetics.ROLE_Permeability);
}
maFunc = MassActionSolver.solveMassAction(forwardRateParameter, reverseRateParameter, 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();
}
}
}
if (maFunc != null) {
// if the reaction has forward rate (Mass action,HMMs), or don't have either forward or reverse rate (some other rate laws--like general)
// we process it as forward reaction
List<ParticleVariable> reactantParticles = new ArrayList<ParticleVariable>();
List<ParticleVariable> productParticles = new ArrayList<ParticleVariable>();
List<Action> forwardActions = new ArrayList<Action>();
List<Action> reverseActions = new ArrayList<Action>();
List<ReactionParticipant> reactants = maFunc.getReactants();
List<ReactionParticipant> products = maFunc.getProducts();
for (ReactionParticipant rp : reactants) {
SpeciesContext sc = rp.getSpeciesContext();
SpeciesContextSpec scs = getSimulationContext().getReactionContext().getSpeciesContextSpec(sc);
GeometryClass scGeometryClass = getSimulationContext().getGeometryContext().getStructureMapping(sc.getStructure()).getGeometryClass();
String varName = getMathSymbol(sc, scGeometryClass);
Variable var = mathDesc.getVariable(varName);
if (var instanceof ParticleVariable) {
ParticleVariable particle = (ParticleVariable) var;
reactantParticles.add(particle);
if (!scs.isConstant() && !scs.isForceContinuous()) {
for (int i = 0; i < Math.abs(rp.getStoichiometry()); i++) {
if (forwardRate != null) {
forwardActions.add(Action.createDestroyAction(particle));
}
if (reverseRate != null) {
reverseActions.add(Action.createCreateAction(particle));
}
}
}
} else {
throw new MappingException("particle variable '" + varName + "' not found");
}
}
for (ReactionParticipant rp : products) {
SpeciesContext sc = rp.getSpeciesContext();
SpeciesContextSpec scs = getSimulationContext().getReactionContext().getSpeciesContextSpec(sc);
GeometryClass scGeometryClass = getSimulationContext().getGeometryContext().getStructureMapping(sc.getStructure()).getGeometryClass();
String varName = getMathSymbol(sc, scGeometryClass);
Variable var = mathDesc.getVariable(varName);
if (var instanceof ParticleVariable) {
ParticleVariable particle = (ParticleVariable) var;
productParticles.add(particle);
if (!scs.isConstant() && !scs.isForceContinuous()) {
for (int i = 0; i < Math.abs(rp.getStoichiometry()); i++) {
if (forwardRate != null) {
forwardActions.add(Action.createCreateAction(particle));
}
if (reverseRate != null) {
reverseActions.add(Action.createDestroyAction(particle));
}
}
}
} else {
throw new MappingException("particle variable '" + varName + "' not found");
}
}
//
// There are two unit conversions required:
//
// 1) convert entire reaction rate from vcell reaction units to Smoldyn units (molecules/lengthunit^dim/timeunit)
// (where dim is 2 for membrane reactions and 3 for volume reactions)
//
// for forward rates:
// 2) convert each reactant from Smoldyn units (molecules/lengthunit^dim) to VCell units
// (where dim is 2 for membrane reactants and 3 for volume reactants)
//
// or
//
// for reverse rates:
// 2) convert each product from Smoldyn units (molecules/lengthunit^dim) to VCell units
// (where dim is 2 for membrane products and 3 for volume products)
//
RationalNumber reactionLocationDim = new RationalNumber(reactionStep.getStructure().getDimension());
VCUnitDefinition timeUnit = modelUnitSystem.getTimeUnit();
VCUnitDefinition smoldynReactionSizeUnit = modelUnitSystem.getLengthUnit().raiseTo(reactionLocationDim);
VCUnitDefinition smoldynSubstanceUnit = modelUnitSystem.getStochasticSubstanceUnit();
VCUnitDefinition smoldynReactionRateUnit = smoldynSubstanceUnit.divideBy(smoldynReactionSizeUnit).divideBy(timeUnit);
VCUnitDefinition vcellReactionRateUnit = reactionRateParameter.getUnitDefinition();
VCUnitDefinition reactionUnitFactor = smoldynReactionRateUnit.divideBy(vcellReactionRateUnit);
if (forwardRate != null) {
VCUnitDefinition smoldynReactantsUnit = modelUnitSystem.getInstance_DIMENSIONLESS();
// start with factor to translate entire reaction rate.
VCUnitDefinition forwardUnitFactor = reactionUnitFactor;
//
for (ReactionParticipant reactant : maFunc.getReactants()) {
VCUnitDefinition vcellReactantUnit = reactant.getSpeciesContext().getUnitDefinition();
boolean bForceContinuous = simContext.getReactionContext().getSpeciesContextSpec(reactant.getSpeciesContext()).isForceContinuous();
VCUnitDefinition smoldynReactantUnit = null;
if (bForceContinuous) {
// reactant is continuous (vcell units)
smoldynReactantUnit = reactant.getSpeciesContext().getUnitDefinition();
} else {
// reactant is a particle (smoldyn units)
RationalNumber reactantLocationDim = new RationalNumber(reactant.getStructure().getDimension());
VCUnitDefinition smoldynReactantSize = modelUnitSystem.getLengthUnit().raiseTo(reactantLocationDim);
smoldynReactantUnit = smoldynSubstanceUnit.divideBy(smoldynReactantSize);
}
// keep track of units of all reactants
smoldynReactantsUnit = smoldynReactantsUnit.multiplyBy(smoldynReactantUnit);
RationalNumber reactantStoichiometry = new RationalNumber(reactant.getStoichiometry());
VCUnitDefinition reactantUnitFactor = (vcellReactantUnit.divideBy(smoldynReactantUnit)).raiseTo(reactantStoichiometry);
// accumulate unit factors for all reactants
forwardUnitFactor = forwardUnitFactor.multiplyBy(reactantUnitFactor);
}
forwardRate = Expression.mult(forwardRate, getUnitFactor(forwardUnitFactor));
VCUnitDefinition smoldynExpectedForwardRateUnit = smoldynReactionRateUnit.divideBy(smoldynReactantsUnit);
// get probability
Expression exp = getIdentifierSubstitutions(forwardRate, smoldynExpectedForwardRateUnit, reactionStepGeometryClass).flatten();
JumpProcessRateDefinition partRateDef = new MacroscopicRateConstant(exp);
// create particle jump process
String jpName = TokenMangler.mangleToSName(reactionStep.getName());
// only for NFSim/Rules for now.
ProcessSymmetryFactor processSymmetryFactor = null;
if (forwardActions.size() > 0) {
ParticleJumpProcess forwardProcess = new ParticleJumpProcess(jpName, reactantParticles, partRateDef, forwardActions, processSymmetryFactor);
subdomain.addParticleJumpProcess(forwardProcess);
}
}
// end of forward rate not null
if (reverseRate != null) {
VCUnitDefinition smoldynProductsUnit = modelUnitSystem.getInstance_DIMENSIONLESS();
// start with factor to translate entire reaction rate.
VCUnitDefinition reverseUnitFactor = reactionUnitFactor;
//
for (ReactionParticipant product : maFunc.getProducts()) {
VCUnitDefinition vcellProductUnit = product.getSpeciesContext().getUnitDefinition();
boolean bForceContinuous = simContext.getReactionContext().getSpeciesContextSpec(product.getSpeciesContext()).isForceContinuous();
VCUnitDefinition smoldynProductUnit = null;
if (bForceContinuous) {
smoldynProductUnit = product.getSpeciesContext().getUnitDefinition();
} else {
RationalNumber productLocationDim = new RationalNumber(product.getStructure().getDimension());
VCUnitDefinition smoldynProductSize = modelUnitSystem.getLengthUnit().raiseTo(productLocationDim);
smoldynProductUnit = smoldynSubstanceUnit.divideBy(smoldynProductSize);
}
// keep track of units of all products
smoldynProductsUnit = smoldynProductsUnit.multiplyBy(smoldynProductUnit);
RationalNumber productStoichiometry = new RationalNumber(product.getStoichiometry());
VCUnitDefinition productUnitFactor = (vcellProductUnit.divideBy(smoldynProductUnit)).raiseTo(productStoichiometry);
// accumulate unit factors for all products
reverseUnitFactor = reverseUnitFactor.multiplyBy(productUnitFactor);
}
reverseRate = Expression.mult(reverseRate, getUnitFactor(reverseUnitFactor));
VCUnitDefinition smoldynExpectedReverseRateUnit = smoldynReactionRateUnit.divideBy(smoldynProductsUnit);
// get probability
Expression exp = getIdentifierSubstitutions(reverseRate, smoldynExpectedReverseRateUnit, reactionStepGeometryClass).flatten();
JumpProcessRateDefinition partProbRate = new MacroscopicRateConstant(exp);
// get jump process name
String jpName = TokenMangler.mangleToSName(reactionStep.getName() + "_reverse");
// only for NFSim/Rules for now.
ProcessSymmetryFactor processSymmetryFactor = null;
if (reverseActions.size() > 0) {
ParticleJumpProcess reverseProcess = new ParticleJumpProcess(jpName, productParticles, partProbRate, reverseActions, processSymmetryFactor);
subdomain.addParticleJumpProcess(reverseProcess);
}
}
// end of reverse rate not null
}
// end of maFunc not null
}
// end of reaction step for loop
}
//
for (int i = 0; i < fieldMathMappingParameters.length; i++) {
if (fieldMathMappingParameters[i] instanceof UnitFactorParameter) {
GeometryClass geometryClass = fieldMathMappingParameters[i].getGeometryClass();
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.warn(mathDesc.getVCML_database());
throw new MappingException("generated an invalid mathDescription: " + mathDesc.getWarning());
}
if (lg.isDebugEnabled()) {
System.out.println("]]]]]]]]]]]]]]]]]]]]]] VCML string begin ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]");
System.out.println(mathDesc.getVCML());
System.out.println("]]]]]]]]]]]]]]]]]]]]]] VCML string end ]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]");
}
}
use of cbit.vcell.math.Constant in project vcell by virtualcell.
the class RulebasedMathMapping method refreshMathDescription.
/**
* This method was created in VisualAge.
*/
@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 transform 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("rule-based particle math mapping not implemented for spatial geometry - dimension >= 1");
}
//
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 reactionRules that are not "excluded"
//
ArrayList<ReactionRule> rrList = new ArrayList<ReactionRule>();
for (ReactionRuleSpec reactionRuleSpec : simContext.getReactionContext().getReactionRuleSpecs()) {
if (!reactionRuleSpec.isExcluded()) {
rrList.add(reactionRuleSpec.getReactionRule());
}
}
//
for (ReactionRule reactionRule : rrList) {
UnresolvedParameter[] unresolvedParameters = reactionRule.getKineticLaw().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() + "', " + reactionRule.getDisplayType() + " '" + reactionRule.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 (ReactionRule reactionRule : rrList) {
// if (reactionRule.getKineticLaw() instanceof LumpedKinetics){
// throw new RuntimeException("Lumped Kinetics not yet supported for RuleBased Modeling");
// }
LocalParameter[] parameters = reactionRule.getKineticLaw().getLocalParameters();
for (LocalParameter parameter : parameters) {
//
if ((parameter.getRole() == RbmKineticLawParameterType.RuleRate)) {
continue;
}
//
if (!reactionRule.isReversible() && parameter.getRole() == RbmKineticLawParameterType.MassActionReverseRate) {
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);
//
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);
//
// define all molecules and unique species patterns (add molecules to mathDesc and speciesPatterns to varHash).
//
HashMap<SpeciesPattern, VolumeParticleSpeciesPattern> speciesPatternMap = addSpeciesPatterns(domain, rrList);
HashSet<VolumeParticleSpeciesPattern> uniqueParticleSpeciesPatterns = new HashSet<>(speciesPatternMap.values());
for (VolumeParticleSpeciesPattern volumeParticleSpeciesPattern : uniqueParticleSpeciesPatterns) {
varHash.addVariable(volumeParticleSpeciesPattern);
}
//
// define observables (those explicitly declared and those corresponding to seed species.
//
List<ParticleObservable> observables = addObservables(geometryClass, domain, speciesPatternMap);
for (ParticleObservable particleObservable : observables) {
varHash.addVariable(particleObservable);
}
try {
addParticleJumpProcesses(varHash, geometryClass, subDomain, speciesPatternMap);
} catch (PropertyVetoException e1) {
e1.printStackTrace();
throw new MappingException(e1.getMessage(), e1);
}
//
for (int i = 0; i < fieldMathMappingParameters.length; i++) {
if (fieldMathMappingParameters[i] instanceof UnitFactorParameter || fieldMathMappingParameters[i] instanceof ObservableConcentrationParameter) {
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());
//
for (SpeciesContext sc : model.getSpeciesContexts()) {
if (!sc.hasSpeciesPattern()) {
throw new MappingException("species " + sc.getName() + " has no molecular pattern");
}
VolumeParticleSpeciesPattern volumeParticleSpeciesPattern = speciesPatternMap.get(sc.getSpeciesPattern());
ArrayList<ParticleInitialCondition> particleInitialConditions = new ArrayList<ParticleProperties.ParticleInitialCondition>();
// initial conditions from scs
SpeciesContextSpec scs = simContext.getReactionContext().getSpeciesContextSpec(sc);
Parameter initialCountParameter = scs.getInitialCountParameter();
Expression e = getIdentifierSubstitutions(new Expression(initialCountParameter, getNameScope()), initialCountParameter.getUnitDefinition(), geometryClass);
particleInitialConditions.add(new ParticleInitialConditionCount(e, new Expression(0.0), new Expression(0.0), new Expression(0.0)));
ParticleProperties particleProperies = new ParticleProperties(volumeParticleSpeciesPattern, new Expression(0.0), new Expression(0.0), new Expression(0.0), new Expression(0.0), particleInitialConditions);
subDomain.addParticleProperties(particleProperies);
}
//
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 ObservableConcentrationParameter) {
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()) {
System.out.println(mathDesc.getVCML_database());
throw new MappingException("generated an invalid mathDescription: " + mathDesc.getWarning());
}
}
use of cbit.vcell.math.Constant in project vcell by virtualcell.
the class MathTestingUtilities method constructExactMath.
/**
* constructExactMath()
*
* take an equation of the form:
*
* d A
* --- = F(A,t)
* d t
*
* and create a new equation with a known exact solution 'A_exact' by adding a forcing function R(t)
*
* d A
* --- = F(A,t) + R(t)
* d t
*
* where:
*
* d A_exact
* R(t) = --------- - F(A_exact,t)
* d t
*
* solving for R(t) is done analytically.
*
* Creation date: (1/21/2003 10:47:54 AM)
* @return cbit.vcell.math.MathDescription
* @param mathDesc cbit.vcell.math.MathDescription
*/
public static MathDescription constructExactMath(MathDescription mathDesc, java.util.Random random, ConstructedSolutionTemplate constructedSolutionTemplate) throws ExpressionException, MathException, MappingException {
if (mathDesc.hasFastSystems()) {
throw new RuntimeException("SolverTest.constructExactMath() suppport for fastSystems not yet implemented.");
}
MathDescription exactMath = null;
try {
exactMath = (MathDescription) BeanUtils.cloneSerializable(mathDesc);
exactMath.setDescription("constructed exact solution from MathDescription (" + mathDesc.getName() + ")");
exactMath.setName("exact from " + mathDesc.getName());
} catch (Throwable e) {
e.printStackTrace(System.out);
throw new RuntimeException("error cloning MathDescription: " + e.getMessage());
}
//
// preload the VariableHash with existing Variables (and Constants,Functions,etc) and then sort all at once.
//
VariableHash varHash = new VariableHash();
Enumeration<Variable> enumVar = exactMath.getVariables();
while (enumVar.hasMoreElements()) {
varHash.addVariable(enumVar.nextElement());
}
java.util.Enumeration<SubDomain> subDomainEnum = exactMath.getSubDomains();
while (subDomainEnum.hasMoreElements()) {
SubDomain subDomain = subDomainEnum.nextElement();
Domain domain = new Domain(subDomain);
java.util.Enumeration<Equation> equationEnum = subDomain.getEquations();
if (subDomain instanceof MembraneSubDomain) {
MembraneSubDomain memSubDomain = (MembraneSubDomain) subDomain;
AnalyticSubVolume insideAnalyticSubVolume = (AnalyticSubVolume) exactMath.getGeometry().getGeometrySpec().getSubVolume(memSubDomain.getInsideCompartment().getName());
Function[] outwardNormalFunctions = getOutwardNormal(insideAnalyticSubVolume.getExpression(), "_" + insideAnalyticSubVolume.getName());
for (int i = 0; i < outwardNormalFunctions.length; i++) {
varHash.addVariable(outwardNormalFunctions[i]);
}
}
while (equationEnum.hasMoreElements()) {
Equation equation = equationEnum.nextElement();
if (equation.getExactSolution() != null) {
throw new RuntimeException("exact solution already exists");
}
Enumeration<Constant> origMathConstants = mathDesc.getConstants();
if (equation instanceof OdeEquation) {
OdeEquation odeEquation = (OdeEquation) equation;
Expression substitutedRateExp = substituteWithExactSolution(odeEquation.getRateExpression(), (CompartmentSubDomain) subDomain, exactMath);
SolutionTemplate solutionTemplate = constructedSolutionTemplate.getSolutionTemplate(equation.getVariable().getName(), subDomain.getName());
String varName = odeEquation.getVariable().getName();
String initName = null;
while (origMathConstants.hasMoreElements()) {
Constant constant = origMathConstants.nextElement();
if (constant.getName().startsWith(varName + "_" + subDomain.getName() + DiffEquMathMapping.MATH_FUNC_SUFFIX_SPECIES_INIT_CONC_UNIT_PREFIX)) {
initName = constant.getName();
}
}
String exactName = varName + "_" + subDomain.getName() + "_exact";
String errorName = varName + "_" + subDomain.getName() + "_error";
String origRateName = "_" + varName + "_" + subDomain.getName() + "_origRate";
String substitutedRateName = "_" + varName + "_" + subDomain.getName() + "_substitutedRate";
String exactTimeDerivativeName = "_" + varName + "_" + subDomain.getName() + "_exact_dt";
Expression exactExp = solutionTemplate.getTemplateExpression();
Expression errorExp = new Expression(exactName + " - " + varName);
Expression origRateExp = new Expression(odeEquation.getRateExpression());
Expression exactTimeDerivativeExp = exactExp.differentiate("t").flatten();
Expression newRate = new Expression(origRateName + " - " + substitutedRateName + " + " + exactTimeDerivativeName);
Constant[] constants = solutionTemplate.getConstants();
for (int i = 0; i < constants.length; i++) {
varHash.addVariable(constants[i]);
}
Expression initExp = new Expression(exactExp);
initExp.substituteInPlace(new Expression("t"), new Expression(0.0));
varHash.addVariable(new Function(initName, initExp.flatten(), domain));
varHash.addVariable(new Function(exactName, exactExp, domain));
varHash.addVariable(new Function(errorName, errorExp, domain));
varHash.addVariable(new Function(exactTimeDerivativeName, exactTimeDerivativeExp, domain));
varHash.addVariable(new Function(origRateName, origRateExp, domain));
varHash.addVariable(new Function(substitutedRateName, substitutedRateExp, domain));
odeEquation.setRateExpression(newRate);
odeEquation.setInitialExpression(new Expression(initName));
odeEquation.setExactSolution(new Expression(exactName));
} else if (equation instanceof PdeEquation) {
PdeEquation pdeEquation = (PdeEquation) equation;
Expression substitutedRateExp = substituteWithExactSolution(pdeEquation.getRateExpression(), (CompartmentSubDomain) subDomain, exactMath);
SolutionTemplate solutionTemplate = constructedSolutionTemplate.getSolutionTemplate(equation.getVariable().getName(), subDomain.getName());
String varName = pdeEquation.getVariable().getName();
String initName = null;
while (origMathConstants.hasMoreElements()) {
Constant constant = origMathConstants.nextElement();
if (constant.getName().startsWith(varName + "_" + subDomain.getName() + DiffEquMathMapping.MATH_FUNC_SUFFIX_SPECIES_INIT_CONC_UNIT_PREFIX)) {
initName = constant.getName();
}
}
String diffusionRateName = "_" + varName + "_" + subDomain.getName() + "_diffusionRate";
String exactName = varName + "_" + subDomain.getName() + "_exact";
String errorName = varName + "_" + subDomain.getName() + "_error";
String origRateName = "_" + varName + "_" + subDomain.getName() + "_origRate";
String substitutedRateName = "_" + varName + "_" + subDomain.getName() + "_substitutedRate";
String exactTimeDerivativeName = "_" + varName + "_" + subDomain.getName() + "_exact_dt";
String exactDxName = "_" + varName + "_" + subDomain.getName() + "_exact_dx";
String exactDyName = "_" + varName + "_" + subDomain.getName() + "_exact_dy";
String exactDzName = "_" + varName + "_" + subDomain.getName() + "_exact_dz";
String exactDx2Name = "_" + varName + "_" + subDomain.getName() + "_exact_dx2";
String exactDy2Name = "_" + varName + "_" + subDomain.getName() + "_exact_dy2";
String exactDz2Name = "_" + varName + "_" + subDomain.getName() + "_exact_dz2";
String exactLaplacianName = "_" + varName + "_" + subDomain.getName() + "_exact_laplacian";
Expression exactExp = solutionTemplate.getTemplateExpression();
Expression errorExp = new Expression(exactName + " - " + varName);
Expression origRateExp = new Expression(pdeEquation.getRateExpression());
Expression initExp = new Expression(exactExp);
initExp.substituteInPlace(new Expression("t"), new Expression(0.0));
initExp = initExp.flatten();
Expression exactTimeDerivativeExp = exactExp.differentiate("t").flatten();
Expression exactDxExp = exactExp.differentiate("x").flatten();
Expression exactDx2Exp = exactDxExp.differentiate("x").flatten();
Expression exactDyExp = exactExp.differentiate("y").flatten();
Expression exactDy2Exp = exactDxExp.differentiate("y").flatten();
Expression exactDzExp = exactExp.differentiate("z").flatten();
Expression exactDz2Exp = exactDxExp.differentiate("z").flatten();
Expression exactLaplacianExp = Expression.add(Expression.add(exactDx2Exp, exactDy2Exp), exactDz2Exp).flatten();
Expression newRate = new Expression(origRateName + " - " + substitutedRateName + " - ((" + diffusionRateName + ")*" + exactLaplacianName + ")" + " + " + exactTimeDerivativeName);
Constant[] constants = solutionTemplate.getConstants();
for (int i = 0; i < constants.length; i++) {
varHash.addVariable(constants[i]);
}
varHash.addVariable(new Function(initName, initExp, domain));
varHash.addVariable(new Function(diffusionRateName, new Expression(pdeEquation.getDiffusionExpression()), domain));
varHash.addVariable(new Function(exactName, exactExp, domain));
varHash.addVariable(new Function(errorName, errorExp, domain));
varHash.addVariable(new Function(exactTimeDerivativeName, exactTimeDerivativeExp, domain));
varHash.addVariable(new Function(origRateName, origRateExp, domain));
varHash.addVariable(new Function(substitutedRateName, substitutedRateExp, domain));
varHash.addVariable(new Function(exactDxName, exactDxExp, domain));
varHash.addVariable(new Function(exactDyName, exactDyExp, domain));
varHash.addVariable(new Function(exactDzName, exactDzExp, domain));
varHash.addVariable(new Function(exactDx2Name, exactDx2Exp, domain));
varHash.addVariable(new Function(exactDy2Name, exactDy2Exp, domain));
varHash.addVariable(new Function(exactDz2Name, exactDz2Exp, domain));
varHash.addVariable(new Function(exactLaplacianName, exactLaplacianExp, domain));
pdeEquation.setRateExpression(newRate);
pdeEquation.setInitialExpression(new Expression(initName));
pdeEquation.setDiffusionExpression(new Expression(diffusionRateName));
pdeEquation.setExactSolution(new Expression(exactName));
CompartmentSubDomain compartmentSubDomain = (CompartmentSubDomain) subDomain;
if (compartmentSubDomain.getBoundaryConditionXm().isDIRICHLET()) {
Expression origExp = pdeEquation.getBoundaryXm();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryXm(new Expression(origExp + "-" + substitutedExp + "+" + exactExp));
} else {
pdeEquation.setBoundaryXm(exactExp);
}
} else if (compartmentSubDomain.getBoundaryConditionXm().isNEUMANN()) {
Expression origExp = pdeEquation.getBoundaryXm();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryXm(new Expression(origExp + "-" + substitutedExp + "-" + diffusionRateName + "*" + exactDxName));
} else {
pdeEquation.setBoundaryXm(new Expression("-" + diffusionRateName + "*" + exactDxName));
}
} else {
throw new RuntimeException("unsupported boundary condition type " + compartmentSubDomain.getBoundaryConditionXm());
}
if (compartmentSubDomain.getBoundaryConditionXp().isDIRICHLET()) {
Expression origExp = pdeEquation.getBoundaryXp();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryXp(new Expression(origExp + "-" + substitutedExp + "+" + exactExp));
} else {
pdeEquation.setBoundaryXp(exactExp);
}
} else if (compartmentSubDomain.getBoundaryConditionXp().isNEUMANN()) {
Expression origExp = pdeEquation.getBoundaryXp();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryXp(new Expression(origExp + "-" + substitutedExp + "+" + diffusionRateName + "*" + exactDxName));
} else {
pdeEquation.setBoundaryXp(new Expression(diffusionRateName + "*" + exactDxName));
}
} else {
throw new RuntimeException("unsupported boundary condition type " + compartmentSubDomain.getBoundaryConditionXp());
}
if (compartmentSubDomain.getBoundaryConditionYm().isDIRICHLET()) {
Expression origExp = pdeEquation.getBoundaryYm();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryYm(new Expression(origExp + "-" + substitutedExp + "+" + exactExp));
} else {
pdeEquation.setBoundaryYm(exactExp);
}
} else if (compartmentSubDomain.getBoundaryConditionYm().isNEUMANN()) {
Expression origExp = pdeEquation.getBoundaryYm();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryYm(new Expression(origExp + "-" + substitutedExp + "-" + diffusionRateName + "*" + exactDyName));
} else {
pdeEquation.setBoundaryYm(new Expression("-" + diffusionRateName + "*" + exactDyName));
}
} else {
throw new RuntimeException("unsupported boundary condition type " + compartmentSubDomain.getBoundaryConditionYm());
}
if (compartmentSubDomain.getBoundaryConditionYp().isDIRICHLET()) {
Expression origExp = pdeEquation.getBoundaryYp();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryYp(new Expression(origExp + "-" + substitutedExp + "+" + exactExp));
} else {
pdeEquation.setBoundaryYp(exactExp);
}
} else if (compartmentSubDomain.getBoundaryConditionYp().isNEUMANN()) {
Expression origExp = pdeEquation.getBoundaryYp();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryYp(new Expression(origExp + "-" + substitutedExp + "+" + diffusionRateName + "*" + exactDyName));
} else {
pdeEquation.setBoundaryYp(new Expression(diffusionRateName + "*" + exactDyName));
}
} else {
throw new RuntimeException("unsupported boundary condition type " + compartmentSubDomain.getBoundaryConditionYp());
}
if (compartmentSubDomain.getBoundaryConditionZm().isDIRICHLET()) {
Expression origExp = pdeEquation.getBoundaryZm();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryZm(new Expression(origExp + "-" + substitutedExp + "+" + exactExp));
} else {
pdeEquation.setBoundaryZm(exactExp);
}
} else if (compartmentSubDomain.getBoundaryConditionZm().isNEUMANN()) {
Expression origExp = pdeEquation.getBoundaryZm();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryZm(new Expression(origExp + "-" + substitutedExp + "-" + diffusionRateName + "*" + exactDzName));
} else {
pdeEquation.setBoundaryZm(new Expression("-" + diffusionRateName + "*" + exactDzName));
}
} else {
throw new RuntimeException("unsupported boundary condition type " + compartmentSubDomain.getBoundaryConditionXm());
}
if (compartmentSubDomain.getBoundaryConditionZp().isDIRICHLET()) {
Expression origExp = pdeEquation.getBoundaryZp();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryZp(new Expression(origExp + "-" + substitutedExp + "+" + exactExp));
} else {
pdeEquation.setBoundaryZp(exactExp);
}
} else if (compartmentSubDomain.getBoundaryConditionZp().isNEUMANN()) {
Expression origExp = pdeEquation.getBoundaryZp();
if (origExp != null) {
Expression substitutedExp = substituteWithExactSolution(origExp, compartmentSubDomain, exactMath);
pdeEquation.setBoundaryZp(new Expression(origExp + "-" + substitutedExp + "+" + diffusionRateName + "*" + exactDzName));
} else {
pdeEquation.setBoundaryZp(new Expression(diffusionRateName + "*" + exactDzName));
}
} else {
throw new RuntimeException("unsupported boundary condition type " + compartmentSubDomain.getBoundaryConditionZp());
}
} else {
throw new RuntimeException("SolverTest.constructedExactMath(): equation type " + equation.getClass().getName() + " not yet implemented");
}
}
if (subDomain instanceof MembraneSubDomain) {
MembraneSubDomain membraneSubDomain = (MembraneSubDomain) subDomain;
Enumeration<JumpCondition> enumJumpConditions = membraneSubDomain.getJumpConditions();
while (enumJumpConditions.hasMoreElements()) {
JumpCondition jumpCondition = enumJumpConditions.nextElement();
Expression origInfluxExp = jumpCondition.getInFluxExpression();
Expression origOutfluxExp = jumpCondition.getOutFluxExpression();
Expression substitutedInfluxExp = substituteWithExactSolution(origInfluxExp, membraneSubDomain, exactMath);
Expression substitutedOutfluxExp = substituteWithExactSolution(origOutfluxExp, membraneSubDomain, exactMath);
String varName = jumpCondition.getVariable().getName();
String origInfluxName = "_" + varName + "_" + subDomain.getName() + "_origInflux";
String origOutfluxName = "_" + varName + "_" + subDomain.getName() + "_origOutflux";
String substitutedInfluxName = "_" + varName + "_" + subDomain.getName() + "_substitutedInflux";
String substitutedOutfluxName = "_" + varName + "_" + subDomain.getName() + "_substitutedOutflux";
String diffusionRateInsideName = "_" + varName + "_" + membraneSubDomain.getInsideCompartment().getName() + "_diffusionRate";
String diffusionRateOutsideName = "_" + varName + "_" + membraneSubDomain.getOutsideCompartment().getName() + "_diffusionRate";
String exactInsideDxName = "_" + varName + "_" + membraneSubDomain.getInsideCompartment().getName() + "_exact_dx";
String exactInsideDyName = "_" + varName + "_" + membraneSubDomain.getInsideCompartment().getName() + "_exact_dy";
String exactInsideDzName = "_" + varName + "_" + membraneSubDomain.getInsideCompartment().getName() + "_exact_dz";
String exactOutsideDxName = "_" + varName + "_" + membraneSubDomain.getOutsideCompartment().getName() + "_exact_dx";
String exactOutsideDyName = "_" + varName + "_" + membraneSubDomain.getOutsideCompartment().getName() + "_exact_dy";
String exactOutsideDzName = "_" + varName + "_" + membraneSubDomain.getOutsideCompartment().getName() + "_exact_dz";
String outwardNormalXName = "_" + membraneSubDomain.getInsideCompartment().getName() + "_Nx";
String outwardNormalYName = "_" + membraneSubDomain.getInsideCompartment().getName() + "_Ny";
String outwardNormalZName = "_" + membraneSubDomain.getInsideCompartment().getName() + "_Nz";
String exactInfluxName = "_" + varName + "_" + membraneSubDomain.getName() + "_exactInflux";
String exactOutfluxName = "_" + varName + "_" + membraneSubDomain.getName() + "_exactOutflux";
Expression exactInfluxExp = new Expression(diffusionRateInsideName + " * (" + outwardNormalXName + "*" + exactInsideDxName + " + " + outwardNormalYName + "*" + exactInsideDyName + " + " + outwardNormalZName + "*" + exactInsideDzName + ")");
Expression exactOutfluxExp = new Expression("-" + diffusionRateOutsideName + " * (" + outwardNormalXName + "*" + exactOutsideDxName + " + " + outwardNormalYName + "*" + exactOutsideDyName + " + " + outwardNormalZName + "*" + exactOutsideDzName + ")");
Expression newInfluxExp = new Expression(origInfluxName + " - " + substitutedInfluxName + " + " + exactInfluxName);
Expression newOutfluxExp = new Expression(origOutfluxName + " - " + substitutedOutfluxName + " + " + exactOutfluxName);
varHash.addVariable(new Function(origInfluxName, origInfluxExp, domain));
varHash.addVariable(new Function(origOutfluxName, origOutfluxExp, domain));
varHash.addVariable(new Function(exactInfluxName, exactInfluxExp, domain));
varHash.addVariable(new Function(exactOutfluxName, exactOutfluxExp, domain));
varHash.addVariable(new Function(substitutedInfluxName, substitutedInfluxExp, domain));
varHash.addVariable(new Function(substitutedOutfluxName, substitutedOutfluxExp, domain));
jumpCondition.setInFlux(newInfluxExp);
jumpCondition.setOutFlux(newOutfluxExp);
}
}
}
exactMath.setAllVariables(varHash.getAlphabeticallyOrderedVariables());
if (!exactMath.isValid()) {
throw new RuntimeException("generated Math is not valid: " + exactMath.getWarning());
}
return exactMath;
}
use of cbit.vcell.math.Constant in project vcell by virtualcell.
the class FiniteVolumeFileWriter method write.
/**
* Insert the method's description here.
* Creation date: (5/9/2005 2:52:48 PM)
* @throws MathException
* @throws ExpressionException
* @throws DataAccessException
* @throws IOException
*/
public void write(String[] parameterNames) throws Exception {
Variable[] originalVars = null;
Simulation simulation = simTask.getSimulation();
MathDescription mathDesc = simulation.getMathDescription();
if (bChomboSolver) {
writeJMSParamters();
writeSimulationParamters();
writeModelDescription();
writeChomboSpec();
writeVariables();
writePostProcessingBlock();
writeCompartments();
writeMembranes();
} else {
if (simTask.getSimulation().isSerialParameterScan()) {
originalVars = (Variable[]) BeanUtils.getArray(mathDesc.getVariables(), Variable.class);
Variable[] allVars = (Variable[]) BeanUtils.getArray(mathDesc.getVariables(), Variable.class);
MathOverrides mathOverrides = simulation.getMathOverrides();
String[] scanParameters = mathOverrides.getOverridenConstantNames();
for (int i = 0; i < scanParameters.length; i++) {
String scanParameter = scanParameters[i];
Variable mathVariable = mathDesc.getVariable(scanParameter);
//
if (mathVariable instanceof Constant) {
Constant origConstant = (Constant) mathVariable;
for (int j = 0; j < allVars.length; j++) {
if (allVars[j].equals(origConstant)) {
allVars[j] = new ParameterVariable(origConstant.getName());
break;
}
}
}
}
mathDesc.setAllVariables(allVars);
}
writeJMSParamters();
writeSimulationParamters();
writeModelDescription();
writeMeshFile();
writeVariables();
if (mathDesc.isSpatialHybrid()) {
writeSmoldyn();
}
writeParameters(parameterNames);
writeSerialParameterScans();
writeFieldData();
writePostProcessingBlock();
writeCompartments();
writeMembranes();
if (originalVars != null) {
mathDesc.setAllVariables(originalVars);
}
}
}
use of cbit.vcell.math.Constant in project vcell by virtualcell.
the class ITextWriter method writeMathDescAsText.
// container can be a chapter or a section of a chapter.
// MathDescription.description ignored.
protected void writeMathDescAsText(Section container, MathDescription mathDesc) throws DocumentException {
if (mathDesc == null) {
return;
}
Section mathDescSection = container.addSection("Math Description: " + mathDesc.getName(), container.depth() + 1);
Section mathDescSubSection = null;
Table expTable = null;
int[] widths = { 2, 8 };
// add Constants
Enumeration<Constant> constantsList = mathDesc.getConstants();
while (constantsList.hasMoreElements()) {
Constant constant = constantsList.nextElement();
Expression exp = constant.getExpression();
if (expTable == null) {
expTable = getTable(2, 100, 1, 2, 2);
expTable.addCell(createHeaderCell("Constant Name", getBold(), 1));
expTable.addCell(createHeaderCell("Expression", getBold(), 1));
expTable.setWidths(widths);
expTable.endHeaders();
}
// widths[0] = Math.max(constant.getName().length(), widths[0]);
// widths[1] = Math.max(exp.infix().length(), widths[1]);
expTable.addCell(createCell(constant.getName(), getFont()));
expTable.addCell(createCell(exp.infix(), getFont()));
}
// expTable.setWidths(widths); breaks the contents of the cell, also, widths[1] = widths[1]/widths[0], widths[0] = 1
if (expTable != null) {
mathDescSubSection = mathDescSection.addSection("Constants", mathDescSection.depth() + 1);
mathDescSubSection.add(expTable);
expTable = null;
}
mathDescSubSection = null;
// add functions
Enumeration<Function> functionsList = mathDesc.getFunctions();
while (functionsList.hasMoreElements()) {
Function function = functionsList.nextElement();
Expression exp = function.getExpression();
if (expTable == null) {
expTable = getTable(2, 100, 1, 2, 2);
expTable.addCell(createHeaderCell("Function Name", getBold(), 1));
expTable.addCell(createHeaderCell("Expression", getBold(), 1));
expTable.endHeaders();
expTable.setWidths(widths);
}
expTable.addCell(createCell(function.getName(), getFont()));
expTable.addCell(createCell(exp.infix(), getFont()));
}
if (expTable != null) {
mathDescSubSection = mathDescSection.addSection("Functions", mathDescSection.depth() + 1);
mathDescSubSection.add(expTable);
}
writeSubDomainsEquationsAsText(mathDescSection, mathDesc);
}
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