Examples with SubDomain cbit.vcell.math.SubDomain used on opensource projects

Example 41 with SubDomain

use of cbit.vcell.math.SubDomain 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.jmsHostExternal);
                // 
                // 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.jmsPortExternal);
                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());
        }
    }
}

Example 42 with SubDomain

use of cbit.vcell.math.SubDomain in project vcell by virtualcell.

the class RunSims method isSmoldynTimeStepOK.

private boolean isSmoldynTimeStepOK(Simulation sim) {
    for (int jobIndex = 0; jobIndex < sim.getScanCount(); jobIndex++) {
        SimulationSymbolTable simSymbolTable = new SimulationSymbolTable(sim, jobIndex);
        double Dmax = 0;
        MathDescription mathDesc = sim.getMathDescription();
        Enumeration<SubDomain> subDomainEnumeration = mathDesc.getSubDomains();
        while (subDomainEnumeration.hasMoreElements()) {
            SubDomain subDomain = subDomainEnumeration.nextElement();
            // }
            for (ParticleProperties particleProperties : subDomain.getParticleProperties()) {
                try {
                    Expression newExp = new Expression(particleProperties.getDiffusion());
                    newExp.bindExpression(simSymbolTable);
                    newExp = simSymbolTable.substituteFunctions(newExp).flatten();
                    try {
                        double diffConstant = newExp.evaluateConstant();
                        Dmax = Math.max(Dmax, diffConstant);
                    } catch (ExpressionException ex) {
                        throw new ExpressionException("diffusion coefficient for variable " + particleProperties.getVariable().getQualifiedName() + " is not a constant. Constants are required for all diffusion coefficients");
                    }
                } catch (Exception ex) {
                }
            }
        }
        double s = sim.getMeshSpecification().getDx(sim.hasCellCenteredMesh());
        double dt = sim.getSolverTaskDescription().getTimeStep().getDefaultTimeStep();
        if (dt >= s * s / (2 * Dmax)) {
            smoldynTimestepVars = new SmoldynTimeStepVars(s, Dmax);
            return false;
        }
    }
    return true;
}

Example 43 with SubDomain

use of cbit.vcell.math.SubDomain in project vcell by virtualcell.

the class SimulationData method getChomboFiles.

@Override
public ChomboFiles getChomboFiles() throws IOException, XmlParseException, ExpressionException {
    if (chomboFileIterationIndices == null) {
        throw new RuntimeException("SimulationData.chomboFileIterationIndices is null, can't process Chombo HDF5 files");
    }
    if (!(getVcDataId() instanceof VCSimulationDataIdentifier)) {
        throw new RuntimeException("SimulationData.getVcDataId() is not a VCSimulationDataIdentifier (type is " + getVcDataId().getClass().getName() + "), can't process chombo HDF5 files");
    }
    VCSimulationDataIdentifier vcDataID = (VCSimulationDataIdentifier) getVcDataId();
    String expectedMeshfile = vcDataID.getID() + ".mesh.hdf5";
    File meshFile = amplistorHelper.getFile(expectedMeshfile);
    ChomboFiles chomboFiles = new ChomboFiles(vcDataID.getSimulationKey(), vcDataID.getJobIndex(), meshFile);
    String simtaskFilePath = vcDataID.getID() + "_0.simtask.xml";
    File simtaskFile = amplistorHelper.getFile(simtaskFilePath);
    if (!simtaskFile.exists()) {
        throw new RuntimeException("Chombo dataset mission .simtask.xml file, please rerun");
    }
    String xmlString = FileUtils.readFileToString(simtaskFile);
    SimulationTask simTask = XmlHelper.XMLToSimTask(xmlString);
    if (!simTask.getSimulation().getSolverTaskDescription().getChomboSolverSpec().isSaveChomboOutput() && !simTask.getSimulation().getSolverTaskDescription().isParallel()) {
        throw new RuntimeException("Export of Chombo simulations to VTK requires chombo data, select 'Chombo' data format in simulation solver options and rerun simulation.");
    }
    CartesianMeshChombo chomboMesh = (CartesianMeshChombo) mesh;
    FeaturePhaseVol[] featurePhaseVols = chomboMesh.getFeaturePhaseVols();
    for (int timeIndex : chomboFileIterationIndices) {
        if (featurePhaseVols == null) {
            // for old format which doesn't have featurephasevols, we need to try ivol up to 20 for each feature
            Enumeration<SubDomain> subdomainEnum = simTask.getSimulation().getMathDescription().getSubDomains();
            while (subdomainEnum.hasMoreElements()) {
                SubDomain subDomain = subdomainEnum.nextElement();
                if (subDomain instanceof CompartmentSubDomain) {
                    for (int ivol = 0; ivol < 20; ++ivol) {
                        // can be many vol, let us try 20
                        findChomboFeatureVolFile(chomboFiles, vcDataID, subDomain.getName(), ivol, timeIndex);
                    }
                }
            }
        } else {
            // note: some feature + ivol doesn't have a file if there are no variables defined in that feature
            for (FeaturePhaseVol pfv : featurePhaseVols) {
                findChomboFeatureVolFile(chomboFiles, vcDataID, pfv.feature, pfv.ivol, timeIndex);
            }
        }
    }
    return chomboFiles;
}

Example 44 with SubDomain

use of cbit.vcell.math.SubDomain in project vcell by virtualcell.

the class ModelOptimizationSpec method fromMath.

/**
 * Insert the method's description here.
 * Creation date: (11/1/2005 8:11:32 PM)
 * @return cbit.vcell.mapping.MathSystemHash
 * @param mathDesc cbit.vcell.math.MathDescription
 */
private static MathSystemHash fromMath(cbit.vcell.math.MathDescription mathDesc) {
    MathSystemHash hash = new MathSystemHash();
    hash.addSymbol(new MathSystemHash.IndependentVariable("t"));
    hash.addSymbol(new MathSystemHash.IndependentVariable("x"));
    hash.addSymbol(new MathSystemHash.IndependentVariable("y"));
    hash.addSymbol(new MathSystemHash.IndependentVariable("z"));
    Variable[] vars = (Variable[]) BeanUtils.getArray(mathDesc.getVariables(), Variable.class);
    for (int i = 0; i < vars.length; i++) {
        hash.addSymbol(new MathSystemHash.Variable(vars[i].getName(), vars[i].getExpression()));
    }
    SubDomain[] subDomains = (SubDomain[]) BeanUtils.getArray(mathDesc.getSubDomains(), SubDomain.class);
    for (int i = 0; i < subDomains.length; i++) {
        Equation[] equations = (Equation[]) BeanUtils.getArray(subDomains[i].getEquations(), Equation.class);
        for (int j = 0; j < equations.length; j++) {
            MathSystemHash.Variable var = (MathSystemHash.Variable) hash.getSymbol(equations[j].getVariable().getName());
            hash.addSymbol(new MathSystemHash.VariableInitial(var, equations[j].getInitialExpression()));
            if (equations[j] instanceof PdeEquation) {
                // hash.addSymbol(new MathSystemHash.VariableDerivative(var,pde.getRateExpression()));
                throw new RuntimeException("MathSystemHash doesn't yet support spatial models");
            } else if (equations[j] instanceof VolumeRegionEquation) {
                // hash.addSymbol(new MathSystemHash.VariableDerivative(var,vre.getRateExpression()));
                throw new RuntimeException("MathSystemHash doesn't yet support spatial models");
            } else if (equations[j] instanceof MembraneRegionEquation) {
                // hash.addSymbol(new MathSystemHash.VariableDerivative(var,mre.getRateExpression()));
                throw new RuntimeException("MathSystemHash doesn't yet support spatial models");
            } else if (equations[j] instanceof FilamentRegionEquation) {
                // hash.addSymbol(new MathSystemHash.VariableDerivative(var,fre.getRateExpression()));
                throw new RuntimeException("MathSystemHash doesn't yet support spatial models");
            } else if (equations[j] instanceof OdeEquation) {
                OdeEquation ode = (OdeEquation) equations[j];
                hash.addSymbol(new MathSystemHash.VariableDerivative(var, ode.getRateExpression()));
            }
        }
    }
    return hash;
}

Example 45 with SubDomain

use of cbit.vcell.math.SubDomain in project vcell by virtualcell.

the class ComsolModelBuilder method getVCCModel.

public static VCCModel getVCCModel(SimulationJob vcellSimJob) throws ExpressionException {
    MathDescription vcellMathDesc = vcellSimJob.getSimulation().getMathDescription();
    Geometry vcellGeometry = vcellMathDesc.getGeometry();
    GeometrySpec vcellGeometrySpec = vcellGeometry.getGeometrySpec();
    int vcellDim = vcellGeometrySpec.getDimension();
    VCCModel model = new VCCModel("Model", vcellDim);
    model.modelpath = "D:\\Developer\\eclipse\\workspace_refactor\\comsol_java\\src";
    model.comments = "Untitled\n\n";
    VCCModelNode comp1 = new VCCModelNode("comp1");
    model.modelnodes.add(comp1);
    // if (vcellDim != 2){
    // throw new RuntimeException("expecting 2D simulation");
    // }
    // 
    // assume initial geometry is circle centered at 0.5, 0.5 of radius 0.3
    // 
    // String comsolOutsideDomainName = "dif1";
    // String comsolInsideDomainName = "c1";
    VCCGeomSequence geom1 = new VCCGeomSequence("geom1", vcellDim);
    model.geometrysequences.add(geom1);
    VCCMeshSequence mesh1 = new VCCMeshSequence("mesh1", geom1);
    model.meshes.add(mesh1);
    VCCStudy std1 = new VCCStudy("std1");
    model.study = std1;
    TimeBounds timeBounds = vcellSimJob.getSimulation().getSolverTaskDescription().getTimeBounds();
    TimeStep timeStep = vcellSimJob.getSimulation().getSolverTaskDescription().getTimeStep();
    String beginTime = Double.toString(timeBounds.getStartingTime());
    String endTime = Double.toString(timeBounds.getEndingTime());
    String step = Double.toString(timeStep.getDefaultTimeStep());
    VCCStudyFeature time = new VCCTransientStudyFeature("time", beginTime, step, endTime);
    std1.features.add(time);
    if (vcellGeometrySpec.getImage() != null) {
        throw new RuntimeException("image-based geometries not yet supported by VCell's COMSOL model builder");
    }
    if (vcellGeometrySpec.getNumSubVolumes() == 0) {
        throw new RuntimeException("no subvolumes defined in geometry");
    }
    if (vcellGeometrySpec.getNumAnalyticOrCSGSubVolumes() != vcellGeometrySpec.getNumSubVolumes()) {
        throw new RuntimeException("only analytic and CSG subvolumes currently supported by VCell's COMSOL model builder");
    }
    // 
    // add geometry for all subvolumes
    // 
    HashMap<String, VCCGeomFeature> subvolumeNameFeatureMap = new HashMap<String, VCCGeomFeature>();
    SubVolume[] subVolumes = vcellGeometrySpec.getSubVolumes();
    for (int i = 0; i < subVolumes.length; i++) {
        SubVolume subvolume = subVolumes[i];
        if (subvolume instanceof CSGObject) {
            CSGObject vcellCSGObject = (CSGObject) subvolume;
            CSGNode vcellCSGNode = vcellCSGObject.getRoot();
            ArrayList<VCCGeomFeature> geomFeatureList = new ArrayList<VCCGeomFeature>();
            VCCGeomFeature feature = csgVisitor(vcellCSGNode, geomFeatureList, subvolume.getName());
            geom1.geomfeatures.addAll(geomFeatureList);
            if (i == 0) {
                // first subvolume (on top in ordinals) doesn't need any differencing
                subvolumeNameFeatureMap.put(subvolume.getName(), feature);
            } else {
                // have to subtract union of prior subvolumes
                ArrayList<VCCGeomFeature> priorFeatures = new ArrayList<VCCGeomFeature>();
                for (int j = 0; j < i; j++) {
                    CSGObject priorCSGObject = (CSGObject) subVolumes[j];
                    CSGNode priorCSGNode = priorCSGObject.getRoot();
                    geomFeatureList.clear();
                    VCCGeomFeature priorFeature = csgVisitor(priorCSGNode, geomFeatureList, subvolume.getName());
                    priorFeatures.add(priorFeature);
                    geom1.geomfeatures.addAll(geomFeatureList);
                }
                VCCDifference diff = new VCCDifference("diff" + subvolume.getName(), Keep.off);
                diff.input.add(feature);
                diff.input2.addAll(priorFeatures);
                geom1.geomfeatures.add(diff);
                subvolumeNameFeatureMap.put(subvolume.getName(), diff);
            }
        } else {
            throw new RuntimeException("only CSG subvolumes currently supported by VCell's COMSOL model builder");
        }
    }
    // 
    // add geometry for all surfaceClasses
    // 
    HashMap<String, VCCGeomFeature> surfaceclassNameFeatureMap = new HashMap<String, VCCGeomFeature>();
    SurfaceClass[] surfaceClasses = vcellGeometry.getGeometrySurfaceDescription().getSurfaceClasses();
    for (int i = 0; i < surfaceClasses.length; i++) {
        SurfaceClass surfaceClass = surfaceClasses[i];
        Set<SubVolume> adjacentSubvolumes = surfaceClass.getAdjacentSubvolumes();
        if (adjacentSubvolumes.size() != 2) {
            throw new RuntimeException("expecting two adjacent subvolumes for surface " + surfaceClass.getName() + " in COMSOL model builder");
        }
        // find adjacent Geometry Features (for subvolumes)
        Iterator<SubVolume> svIter = adjacentSubvolumes.iterator();
        SubVolume subvolume0 = svIter.next();
        SubVolume subvolume1 = svIter.next();
        ArrayList<VCCGeomFeature> adjacentFeatures = new ArrayList<VCCGeomFeature>();
        adjacentFeatures.add(subvolumeNameFeatureMap.get(subvolume0.getName()));
        adjacentFeatures.add(subvolumeNameFeatureMap.get(subvolume1.getName()));
        String name = "inter_" + subvolume0.getName() + "_" + subvolume1.getName();
        // surfaces are dimension N-1
        int entitydim = vcellDim - 1;
        VCCIntersectionSelection intersect_subvolumes = new VCCIntersectionSelection(name, entitydim);
        intersect_subvolumes.input.addAll(adjacentFeatures);
        geom1.geomfeatures.add(intersect_subvolumes);
        surfaceclassNameFeatureMap.put(surfaceClass.getName(), intersect_subvolumes);
    }
    SimulationSymbolTable symbolTable = new SimulationSymbolTable(vcellSimJob.getSimulation(), vcellSimJob.getJobIndex());
    // 
    for (SubDomain subDomain : Collections.list(vcellMathDesc.getSubDomains())) {
        for (Equation equ : subDomain.getEquationCollection()) {
            if (equ instanceof PdeEquation || equ instanceof OdeEquation) {
                VCCGeomFeature geomFeature = null;
                final int dim;
                if (subDomain instanceof CompartmentSubDomain) {
                    geomFeature = subvolumeNameFeatureMap.get(subDomain.getName());
                    dim = vcellDim;
                } else if (subDomain instanceof MembraneSubDomain) {
                    geomFeature = surfaceclassNameFeatureMap.get(subDomain.getName());
                    dim = vcellDim - 1;
                } else {
                    throw new RuntimeException("subdomains of type '" + subDomain.getClass().getSimpleName() + "' not yet supported in COMSOL model builder");
                }
                if (geomFeature == null) {
                    throw new RuntimeException("cannot find COMSOL geometry feature named " + subDomain.getName() + " in COMSOL model builder");
                }
                VCCConvectionDiffusionEquation cdeq = new VCCConvectionDiffusionEquation("cdeq_" + equ.getVariable().getName(), geom1, geomFeature, dim);
                cdeq.fieldName = equ.getVariable().getName();
                cdeq.initial = MathUtilities.substituteModelParameters(equ.getInitialExpression(), symbolTable).flatten().infix();
                cdeq.sourceTerm_f = MathUtilities.substituteModelParameters(equ.getRateExpression(), symbolTable).flatten().infix();
                if (equ instanceof PdeEquation) {
                    PdeEquation pde = (PdeEquation) equ;
                    cdeq.diffTerm_c = MathUtilities.substituteModelParameters(pde.getDiffusionExpression(), symbolTable).flatten().infix();
                    if (subDomain instanceof CompartmentSubDomain) {
                        CompartmentSubDomain compartmentSubdomain = (CompartmentSubDomain) subDomain;
                        ArrayList<String> be = new ArrayList<String>();
                        if (pde.getVelocityX() != null) {
                            be.add(MathUtilities.substituteModelParameters(pde.getVelocityX(), symbolTable).flatten().infix());
                        } else {
                            be.add("0");
                        }
                        if (vcellDim >= 2) {
                            if (pde.getVelocityY() != null) {
                                be.add(MathUtilities.substituteModelParameters(pde.getVelocityY(), symbolTable).flatten().infix());
                            } else {
                                be.add("0");
                            }
                        }
                        if (vcellDim == 3) {
                            if (pde.getVelocityY() != null) {
                                be.add(MathUtilities.substituteModelParameters(pde.getVelocityZ(), symbolTable).flatten().infix());
                            } else {
                                be.add("0");
                            }
                        }
                        cdeq.advection_be = be.toArray(new String[vcellDim]);
                        // 
                        // look for membrane boundary conditions for this variable
                        // 
                        MembraneSubDomain[] membraneSubdomains = vcellMathDesc.getMembraneSubDomains(compartmentSubdomain);
                        for (MembraneSubDomain membraneSubdomain : membraneSubdomains) {
                            JumpCondition jumpCondition = membraneSubdomain.getJumpCondition((VolVariable) pde.getVariable());
                            if (jumpCondition != null) {
                                Expression fluxExpr = null;
                                if (membraneSubdomain.getInsideCompartment() == compartmentSubdomain) {
                                    fluxExpr = jumpCondition.getInFluxExpression();
                                } else if (membraneSubdomain.getOutsideCompartment() == compartmentSubdomain) {
                                    fluxExpr = jumpCondition.getOutFluxExpression();
                                }
                                String name = equ.getVariable().getName() + "_flux_" + membraneSubdomain.getName();
                                VCCGeomFeature selection = surfaceclassNameFeatureMap.get(membraneSubdomain.getName());
                                VCCFluxBoundary fluxBoundary = new VCCFluxBoundary(name, selection, vcellDim - 1);
                                fluxBoundary.flux_g = MathUtilities.substituteModelParameters(fluxExpr, symbolTable).flatten().infix();
                                cdeq.features.add(fluxBoundary);
                            }
                        }
                    }
                }
                model.physics.add(cdeq);
            }
        }
    }
    // 
    return model;
}