Examples with SubVolume cbit.vcell.geometry.SubVolume used on opensource projects

Example 71 with SubVolume

use of cbit.vcell.geometry.SubVolume in project vcell by virtualcell.

the class GeometrySubVolumePanel method moveBack.

/**
 * connEtoM9:  (BackButton.action.actionPerformed(java.awt.event.ActionEvent) --> Geometry.sendBackward(Lcbit.vcell.geometry.AnalyticSubVolume;)V)
 * @param arg1 java.awt.event.ActionEvent
 */
private void moveBack() {
    try {
        if ((getSelectedSubVolume() != null)) {
            AsynchClientTask task1 = new AsynchClientTask("moving to back", AsynchClientTask.TASKTYPE_NONSWING_BLOCKING) {

                @Override
                public void run(Hashtable<String, Object> hashTable) throws Exception {
                    SubVolume selectedSubVolume = getSelectedSubVolume();
                    if (selectedSubVolume instanceof CSGObject) {
                        getGeometrySpec().sendBackward((CSGObject) selectedSubVolume);
                    } else if (selectedSubVolume instanceof AnalyticSubVolume) {
                        getGeometrySpec().sendBackward((AnalyticSubVolume) selectedSubVolume);
                    }
                    getGeometry().precomputeAll(new GeometryThumbnailImageFactoryAWT());
                }
            };
            ClientTaskDispatcher.dispatch(GeometrySubVolumePanel.this, new Hashtable<String, Object>(), new AsynchClientTask[] { task1 }, false);
        }
    } catch (java.lang.Throwable ivjExc) {
        handleException(ivjExc);
    }
}

Example 72 with SubVolume

use of cbit.vcell.geometry.SubVolume in project vcell by virtualcell.

the class FRAPStudy method createNewSimBioModel.

public static BioModel createNewSimBioModel(FRAPStudy sourceFrapStudy, Parameter[] params, TimeStep tStep, KeyValue simKey, User owner, int startingIndexForRecovery) throws Exception {
    if (owner == null) {
        throw new Exception("Owner is not defined");
    }
    ROI cellROI_2D = sourceFrapStudy.getFrapData().getRoi(FRAPData.VFRAP_ROI_ENUM.ROI_CELL.name());
    double df = params[FRAPModel.INDEX_PRIMARY_DIFF_RATE].getInitialGuess();
    double ff = params[FRAPModel.INDEX_PRIMARY_FRACTION].getInitialGuess();
    double bwmRate = params[FRAPModel.INDEX_BLEACH_MONITOR_RATE].getInitialGuess();
    double dc = 0;
    double fc = 0;
    double bs = 0;
    double onRate = 0;
    double offRate = 0;
    if (params.length == FRAPModel.NUM_MODEL_PARAMETERS_TWO_DIFF) {
        dc = params[FRAPModel.INDEX_SECONDARY_DIFF_RATE].getInitialGuess();
        fc = params[FRAPModel.INDEX_SECONDARY_FRACTION].getInitialGuess();
    } else if (params.length == FRAPModel.NUM_MODEL_PARAMETERS_BINDING) {
        dc = params[FRAPModel.INDEX_SECONDARY_DIFF_RATE].getInitialGuess();
        fc = params[FRAPModel.INDEX_SECONDARY_FRACTION].getInitialGuess();
        bs = params[FRAPModel.INDEX_BINDING_SITE_CONCENTRATION].getInitialGuess();
        onRate = params[FRAPModel.INDEX_ON_RATE].getInitialGuess();
        offRate = params[FRAPModel.INDEX_OFF_RATE].getInitialGuess();
    }
    // immobile fraction
    double fimm = 1 - ff - fc;
    if (fimm < FRAPOptimizationUtils.epsilon && fimm > (0 - FRAPOptimizationUtils.epsilon)) {
        fimm = 0;
    }
    if (fimm < (1 + FRAPOptimizationUtils.epsilon) && fimm > (1 - FRAPOptimizationUtils.epsilon)) {
        fimm = 1;
    }
    Extent extent = sourceFrapStudy.getFrapData().getImageDataset().getExtent();
    double[] timeStamps = sourceFrapStudy.getFrapData().getImageDataset().getImageTimeStamps();
    TimeBounds timeBounds = new TimeBounds(0.0, timeStamps[timeStamps.length - 1] - timeStamps[startingIndexForRecovery]);
    double timeStepVal = timeStamps[startingIndexForRecovery + 1] - timeStamps[startingIndexForRecovery];
    int numX = cellROI_2D.getRoiImages()[0].getNumX();
    int numY = cellROI_2D.getRoiImages()[0].getNumY();
    int numZ = cellROI_2D.getRoiImages().length;
    short[] shortPixels = cellROI_2D.getRoiImages()[0].getPixels();
    byte[] bytePixels = new byte[numX * numY * numZ];
    final byte EXTRACELLULAR_PIXVAL = 0;
    final byte CYTOSOL_PIXVAL = 1;
    for (int i = 0; i < bytePixels.length; i++) {
        if (shortPixels[i] != 0) {
            bytePixels[i] = CYTOSOL_PIXVAL;
        }
    }
    VCImage maskImage;
    try {
        maskImage = new VCImageUncompressed(null, bytePixels, extent, numX, numY, numZ);
    } catch (ImageException e) {
        e.printStackTrace();
        throw new RuntimeException("failed to create mask image for geometry");
    }
    Geometry geometry = new Geometry("geometry", maskImage);
    if (geometry.getGeometrySpec().getNumSubVolumes() != 2) {
        throw new Exception("Cell ROI has no ExtraCellular.");
    }
    int subVolume0PixVal = ((ImageSubVolume) geometry.getGeometrySpec().getSubVolume(0)).getPixelValue();
    geometry.getGeometrySpec().getSubVolume(0).setName((subVolume0PixVal == EXTRACELLULAR_PIXVAL ? EXTRACELLULAR_NAME : CYTOSOL_NAME));
    int subVolume1PixVal = ((ImageSubVolume) geometry.getGeometrySpec().getSubVolume(1)).getPixelValue();
    geometry.getGeometrySpec().getSubVolume(1).setName((subVolume1PixVal == CYTOSOL_PIXVAL ? CYTOSOL_NAME : EXTRACELLULAR_NAME));
    geometry.getGeometrySurfaceDescription().updateAll();
    BioModel bioModel = new BioModel(null);
    bioModel.setName("unnamed");
    Model model = new Model("model");
    bioModel.setModel(model);
    model.addFeature(EXTRACELLULAR_NAME);
    Feature extracellular = (Feature) model.getStructure(EXTRACELLULAR_NAME);
    model.addFeature(CYTOSOL_NAME);
    Feature cytosol = (Feature) model.getStructure(CYTOSOL_NAME);
    // Membrane mem = model.addMembrane(EXTRACELLULAR_CYTOSOL_MEM_NAME);
    // model.getStructureTopology().setInsideFeature(mem, cytosol);
    // model.getStructureTopology().setOutsideFeature(mem, extracellular);
    String roiDataName = FRAPStudy.ROI_EXTDATA_NAME;
    final int SPECIES_COUNT = 4;
    final int FREE_SPECIES_INDEX = 0;
    final int BS_SPECIES_INDEX = 1;
    final int COMPLEX_SPECIES_INDEX = 2;
    final int IMMOBILE_SPECIES_INDEX = 3;
    Expression[] diffusionConstants = null;
    Species[] species = null;
    SpeciesContext[] speciesContexts = null;
    Expression[] initialConditions = null;
    diffusionConstants = new Expression[SPECIES_COUNT];
    species = new Species[SPECIES_COUNT];
    speciesContexts = new SpeciesContext[SPECIES_COUNT];
    initialConditions = new Expression[SPECIES_COUNT];
    // total initial condition
    FieldFunctionArguments postBleach_first = new FieldFunctionArguments(roiDataName, "postbleach_first", new Expression(0), VariableType.VOLUME);
    FieldFunctionArguments prebleach_avg = new FieldFunctionArguments(roiDataName, "prebleach_avg", new Expression(0), VariableType.VOLUME);
    Expression expPostBleach_first = new Expression(postBleach_first.infix());
    Expression expPreBleach_avg = new Expression(prebleach_avg.infix());
    Expression totalIniCondition = Expression.div(expPostBleach_first, expPreBleach_avg);
    // Free Species
    diffusionConstants[FREE_SPECIES_INDEX] = new Expression(df);
    species[FREE_SPECIES_INDEX] = new Species(FRAPStudy.SPECIES_NAME_PREFIX_MOBILE, "Mobile bleachable species");
    speciesContexts[FREE_SPECIES_INDEX] = new SpeciesContext(null, species[FREE_SPECIES_INDEX].getCommonName(), species[FREE_SPECIES_INDEX], cytosol);
    initialConditions[FREE_SPECIES_INDEX] = Expression.mult(new Expression(ff), totalIniCondition);
    // Immobile Species (No diffusion)
    // Set very small diffusion rate on immobile to force evaluation as state variable (instead of FieldData function)
    // If left as a function errors occur because functions involving FieldData require a database connection
    final String IMMOBILE_DIFFUSION_KLUDGE = "1e-14";
    diffusionConstants[IMMOBILE_SPECIES_INDEX] = new Expression(IMMOBILE_DIFFUSION_KLUDGE);
    species[IMMOBILE_SPECIES_INDEX] = new Species(FRAPStudy.SPECIES_NAME_PREFIX_IMMOBILE, "Immobile bleachable species");
    speciesContexts[IMMOBILE_SPECIES_INDEX] = new SpeciesContext(null, species[IMMOBILE_SPECIES_INDEX].getCommonName(), species[IMMOBILE_SPECIES_INDEX], cytosol);
    initialConditions[IMMOBILE_SPECIES_INDEX] = Expression.mult(new Expression(fimm), totalIniCondition);
    // BS Species
    diffusionConstants[BS_SPECIES_INDEX] = new Expression(IMMOBILE_DIFFUSION_KLUDGE);
    species[BS_SPECIES_INDEX] = new Species(FRAPStudy.SPECIES_NAME_PREFIX_BINDING_SITE, "Binding Site species");
    speciesContexts[BS_SPECIES_INDEX] = new SpeciesContext(null, species[BS_SPECIES_INDEX].getCommonName(), species[BS_SPECIES_INDEX], cytosol);
    initialConditions[BS_SPECIES_INDEX] = Expression.mult(new Expression(bs), totalIniCondition);
    // Complex species
    diffusionConstants[COMPLEX_SPECIES_INDEX] = new Expression(dc);
    species[COMPLEX_SPECIES_INDEX] = new Species(FRAPStudy.SPECIES_NAME_PREFIX_SLOW_MOBILE, "Slower mobile bleachable species");
    speciesContexts[COMPLEX_SPECIES_INDEX] = new SpeciesContext(null, species[COMPLEX_SPECIES_INDEX].getCommonName(), species[COMPLEX_SPECIES_INDEX], cytosol);
    initialConditions[COMPLEX_SPECIES_INDEX] = Expression.mult(new Expression(fc), totalIniCondition);
    // add reactions to species if there is bleachWhileMonitoring rate.
    for (int i = 0; i < initialConditions.length; i++) {
        model.addSpecies(species[i]);
        model.addSpeciesContext(speciesContexts[i]);
        // reaction with BMW rate, which should not be applied to binding site
        if (!(species[i].getCommonName().equals(FRAPStudy.SPECIES_NAME_PREFIX_BINDING_SITE))) {
            SimpleReaction simpleReaction = new SimpleReaction(model, cytosol, speciesContexts[i].getName() + "_bleach", true);
            model.addReactionStep(simpleReaction);
            simpleReaction.addReactant(speciesContexts[i], 1);
            MassActionKinetics massActionKinetics = new MassActionKinetics(simpleReaction);
            simpleReaction.setKinetics(massActionKinetics);
            KineticsParameter kforward = massActionKinetics.getForwardRateParameter();
            simpleReaction.getKinetics().setParameterValue(kforward, new Expression(new Double(bwmRate)));
        }
    }
    // add the binding reaction: F + BS <-> C
    SimpleReaction simpleReaction2 = new SimpleReaction(model, cytosol, "reac_binding", true);
    model.addReactionStep(simpleReaction2);
    simpleReaction2.addReactant(speciesContexts[FREE_SPECIES_INDEX], 1);
    simpleReaction2.addReactant(speciesContexts[BS_SPECIES_INDEX], 1);
    simpleReaction2.addProduct(speciesContexts[COMPLEX_SPECIES_INDEX], 1);
    MassActionKinetics massActionKinetics = new MassActionKinetics(simpleReaction2);
    simpleReaction2.setKinetics(massActionKinetics);
    KineticsParameter kforward = massActionKinetics.getForwardRateParameter();
    KineticsParameter kreverse = massActionKinetics.getReverseRateParameter();
    simpleReaction2.getKinetics().setParameterValue(kforward, new Expression(new Double(onRate)));
    simpleReaction2.getKinetics().setParameterValue(kreverse, new Expression(new Double(offRate)));
    // create simulation context
    SimulationContext simContext = new SimulationContext(bioModel.getModel(), geometry);
    bioModel.addSimulationContext(simContext);
    FeatureMapping cytosolFeatureMapping = (FeatureMapping) simContext.getGeometryContext().getStructureMapping(cytosol);
    FeatureMapping extracellularFeatureMapping = (FeatureMapping) simContext.getGeometryContext().getStructureMapping(extracellular);
    // Membrane plasmaMembrane = model.getStructureTopology().getMembrane(cytosol, extracellular);
    // MembraneMapping plasmaMembraneMapping = (MembraneMapping)simContext.getGeometryContext().getStructureMapping(plasmaMembrane);
    SubVolume cytSubVolume = geometry.getGeometrySpec().getSubVolume(CYTOSOL_NAME);
    SubVolume exSubVolume = geometry.getGeometrySpec().getSubVolume(EXTRACELLULAR_NAME);
    SurfaceClass pmSurfaceClass = geometry.getGeometrySurfaceDescription().getSurfaceClass(exSubVolume, cytSubVolume);
    cytosolFeatureMapping.setGeometryClass(cytSubVolume);
    extracellularFeatureMapping.setGeometryClass(exSubVolume);
    // plasmaMembraneMapping.setGeometryClass(pmSurfaceClass);
    cytosolFeatureMapping.getUnitSizeParameter().setExpression(new Expression(1.0));
    extracellularFeatureMapping.getUnitSizeParameter().setExpression(new Expression(1.0));
    for (int i = 0; i < speciesContexts.length; i++) {
        SpeciesContextSpec scs = simContext.getReactionContext().getSpeciesContextSpec(speciesContexts[i]);
        scs.getInitialConditionParameter().setExpression(initialConditions[i]);
        scs.getDiffusionParameter().setExpression(diffusionConstants[i]);
    }
    MathMapping mathMapping = simContext.createNewMathMapping();
    MathDescription mathDesc = mathMapping.getMathDescription();
    // Add total fluorescence as function of mobile(optional: and slower mobile) and immobile fractions
    mathDesc.addVariable(new Function(FRAPStudy.SPECIES_NAME_PREFIX_COMBINED, new Expression(species[FREE_SPECIES_INDEX].getCommonName() + "+" + species[COMPLEX_SPECIES_INDEX].getCommonName() + "+" + species[IMMOBILE_SPECIES_INDEX].getCommonName()), null));
    simContext.setMathDescription(mathDesc);
    SimulationVersion simVersion = new SimulationVersion(simKey, "sim1", owner, new GroupAccessNone(), new KeyValue("0"), new BigDecimal(0), new Date(), VersionFlag.Current, "", null);
    Simulation newSimulation = new Simulation(simVersion, mathDesc);
    simContext.addSimulation(newSimulation);
    newSimulation.getSolverTaskDescription().setTimeBounds(timeBounds);
    newSimulation.getMeshSpecification().setSamplingSize(cellROI_2D.getISize());
    // newSimulation.getSolverTaskDescription().setTimeStep(timeStep); // Sundials doesn't need time step
    newSimulation.getSolverTaskDescription().setSolverDescription(SolverDescription.SundialsPDE);
    // use exp time step as output time spec
    newSimulation.getSolverTaskDescription().setOutputTimeSpec(new UniformOutputTimeSpec(timeStepVal));
    return bioModel;
}

Example 73 with SubVolume

use of cbit.vcell.geometry.SubVolume in project vcell by virtualcell.

the class ITextWriter method writeStructureMapping.

// boundary types ignored.
protected void writeStructureMapping(Section simContextSection, SimulationContext sc) throws DocumentException {
    GeometryContext gc = sc.getGeometryContext();
    if (gc == null) {
        return;
    }
    Section structMappSection = null;
    /*try {
			ByteArrayOutputStream bos = generateStructureMappingImage(sc);
			com.lowagie.text.Image structMapImage = com.lowagie.text.Image.getInstance(Toolkit.getDefaultToolkit().createImage(bos.toByteArray()), null);
			structMappSection = simContextSection.addSection("Structure Mapping For " + sc.getName(), simContextSection.numberDepth() + 1);
			structMappSection.add(structMapImage);
		} catch (Exception e) {
			System.err.println("Unable to add structure mapping image to report.");
			e.printStackTrace();
		}*/
    StructureMapping[] structMap = gc.getStructureMappings();
    Table structMapTable = null;
    ModelUnitSystem modelUnitSystem = sc.getModel().getUnitSystem();
    for (int i = 0; i < structMap.length; i++) {
        if (!(structMap[i] instanceof FeatureMapping)) {
            continue;
        }
        if (i == 0) {
            structMapTable = getTable(5, 100, 1, 3, 3);
            structMapTable.addCell(createCell("Structure Mapping", getBold(DEF_HEADER_FONT_SIZE), 5, 1, Element.ALIGN_CENTER, true));
            structMapTable.addCell(createHeaderCell("Structure", getBold(), 1));
            structMapTable.addCell(createHeaderCell("Subdomain", getBold(), 1));
            structMapTable.addCell(createHeaderCell("Resolved (T/F)", getBold(), 1));
            structMapTable.addCell(createHeaderCell("Surf/Vol", getBold(), 1));
            structMapTable.addCell(createHeaderCell("VolFract", getBold(), 1));
            structMapTable.endHeaders();
        }
        String structName = structMap[i].getStructure().getName();
        SubVolume subVol = (SubVolume) ((FeatureMapping) structMap[i]).getGeometryClass();
        String subDomain = "";
        if (subVol != null) {
            subDomain = subVol.getName();
        }
        // ((FeatureMapping)structMap[i]).getResolved();
        boolean isResolved = false;
        String surfVolStr = "", volFractStr = "";
        MembraneMapping mm = (MembraneMapping) gc.getStructureMapping(sc.getModel().getStructureTopology().getParentStructure(structMap[i].getStructure()));
        if (mm != null) {
            StructureMapping.StructureMappingParameter smp = mm.getSurfaceToVolumeParameter();
            if (smp != null) {
                Expression tempExp = smp.getExpression();
                VCUnitDefinition tempUnit = smp.getUnitDefinition();
                if (tempExp != null) {
                    surfVolStr = tempExp.infix();
                    if (tempUnit != null && !modelUnitSystem.getInstance_DIMENSIONLESS().compareEqual(tempUnit)) {
                        // no need to add '1' for dimensionless unit
                        surfVolStr += " " + tempUnit.getSymbolUnicode();
                    }
                }
            }
            smp = mm.getVolumeFractionParameter();
            if (smp != null) {
                Expression tempExp = smp.getExpression();
                VCUnitDefinition tempUnit = smp.getUnitDefinition();
                if (tempExp != null) {
                    volFractStr = tempExp.infix();
                    if (tempUnit != null && !modelUnitSystem.getInstance_DIMENSIONLESS().compareEqual(tempUnit)) {
                        volFractStr += " " + tempUnit.getSymbolUnicode();
                    }
                }
            }
        }
        structMapTable.addCell(createCell(structName, getFont()));
        structMapTable.addCell(createCell(subDomain, getFont()));
        structMapTable.addCell(createCell((isResolved ? " T " : " F "), getFont()));
        structMapTable.addCell(createCell(surfVolStr, getFont()));
        structMapTable.addCell(createCell(volFractStr, getFont()));
    }
    if (structMapTable != null) {
        if (structMappSection == null) {
            structMappSection = simContextSection.addSection("Structure Mapping For " + sc.getName(), simContextSection.numberDepth() + 1);
        }
        structMappSection.add(structMapTable);
    }
}

Example 74 with SubVolume

use of cbit.vcell.geometry.SubVolume in project vcell by virtualcell.

the class SBMLExporter method addGeometry.

private void addGeometry() throws SbmlException {
    SpatialModelPlugin mplugin = (SpatialModelPlugin) sbmlModel.getPlugin(SBMLUtils.SBML_SPATIAL_NS_PREFIX);
    // Creates a geometry object via SpatialModelPlugin object.
    org.sbml.jsbml.ext.spatial.Geometry sbmlGeometry = mplugin.createGeometry();
    sbmlGeometry.setCoordinateSystem(GeometryKind.cartesian);
    sbmlGeometry.setSpatialId("vcell");
    Geometry vcGeometry = getSelectedSimContext().getGeometry();
    Model vcModel = getSelectedSimContext().getModel();
    // 
    // list of CoordinateComponents : 1 if geometry is 1-d, 2 if geometry is 2-d, 3 if geometry is 3-d
    // 
    int dimension = vcGeometry.getDimension();
    Extent vcExtent = vcGeometry.getExtent();
    Origin vcOrigin = vcGeometry.getOrigin();
    // add x coordinate component
    CoordinateComponent xComp = sbmlGeometry.createCoordinateComponent();
    xComp.setSpatialId(vcModel.getX().getName());
    xComp.setType(CoordinateKind.cartesianX);
    final UnitDefinition sbmlUnitDef_length = getOrCreateSBMLUnit(vcModel.getUnitSystem().getLengthUnit());
    xComp.setUnits(sbmlUnitDef_length);
    Boundary minX = new Boundary();
    xComp.setBoundaryMinimum(minX);
    minX.setSpatialId("Xmin");
    minX.setValue(vcOrigin.getX());
    Boundary maxX = new Boundary();
    xComp.setBoundaryMaximum(maxX);
    maxX.setSpatialId("Xmax");
    maxX.setValue(vcOrigin.getX() + (vcExtent.getX()));
    org.sbml.jsbml.Parameter pX = sbmlModel.createParameter();
    pX.setId(vcModel.getX().getName());
    pX.setValue(0.0);
    pX.setConstant(false);
    pX.setUnits(sbmlUnitDef_length);
    SpatialParameterPlugin spPluginPx = (SpatialParameterPlugin) pX.getPlugin(SBMLUtils.SBML_SPATIAL_NS_PREFIX);
    SpatialSymbolReference spSymRefPx = new SpatialSymbolReference();
    spPluginPx.setParamType(spSymRefPx);
    spSymRefPx.setSpatialRef(xComp.getSpatialId());
    // add y coordinate component
    if (dimension == 2 || dimension == 3) {
        CoordinateComponent yComp = sbmlGeometry.createCoordinateComponent();
        yComp.setSpatialId(vcModel.getY().getName());
        yComp.setType(CoordinateKind.cartesianY);
        yComp.setUnits(sbmlUnitDef_length);
        Boundary minY = new Boundary();
        yComp.setBoundaryMinimum(minY);
        minY.setSpatialId("Ymin");
        minY.setValue(vcOrigin.getY());
        Boundary maxY = new Boundary();
        yComp.setBoundaryMaximum(maxY);
        maxY.setSpatialId("Ymax");
        maxY.setValue(vcOrigin.getY() + (vcExtent.getY()));
        org.sbml.jsbml.Parameter pY = sbmlModel.createParameter();
        pY.setId(vcModel.getY().getName());
        pY.setValue(0.0);
        pY.setConstant(false);
        pY.setUnits(sbmlUnitDef_length);
        SpatialParameterPlugin spPluginPy = (SpatialParameterPlugin) pY.getPlugin(SBMLUtils.SBML_SPATIAL_NS_PREFIX);
        SpatialSymbolReference spSymRefPy = new SpatialSymbolReference();
        spPluginPy.setParamType(spSymRefPy);
        spSymRefPy.setSpatialRef(yComp.getSpatialId());
    }
    // add z coordinate component
    if (dimension == 3) {
        CoordinateComponent zComp = sbmlGeometry.createCoordinateComponent();
        zComp.setSpatialId(vcModel.getZ().getName());
        zComp.setType(CoordinateKind.cartesianZ);
        zComp.setUnits(sbmlUnitDef_length);
        Boundary minZ = new Boundary();
        zComp.setBoundaryMinimum(minZ);
        minZ.setSpatialId("Zmin");
        minZ.setValue(vcOrigin.getZ());
        Boundary maxZ = new Boundary();
        zComp.setBoundaryMaximum(maxZ);
        maxZ.setSpatialId("Zmax");
        maxZ.setValue(vcOrigin.getZ() + (vcExtent.getZ()));
        org.sbml.jsbml.Parameter pZ = sbmlModel.createParameter();
        pZ.setId(vcModel.getZ().getName());
        pZ.setValue(0.0);
        pZ.setConstant(false);
        pZ.setUnits(sbmlUnitDef_length);
        SpatialParameterPlugin spPluginPz = (SpatialParameterPlugin) pZ.getPlugin(SBMLUtils.SBML_SPATIAL_NS_PREFIX);
        SpatialSymbolReference spSymRefPz = new SpatialSymbolReference();
        spPluginPz.setParamType(spSymRefPz);
        spSymRefPz.setSpatialRef(zComp.getSpatialId());
    }
    // 
    // list of compartmentMappings : VC structureMappings
    // 
    GeometryContext vcGeoContext = getSelectedSimContext().getGeometryContext();
    StructureMapping[] vcStrucMappings = vcGeoContext.getStructureMappings();
    for (int i = 0; i < vcStrucMappings.length; i++) {
        StructureMapping vcStructMapping = vcStrucMappings[i];
        String structName = vcStructMapping.getStructure().getName();
        Compartment comp = sbmlModel.getCompartment(TokenMangler.mangleToSName(structName));
        SpatialCompartmentPlugin cplugin = (SpatialCompartmentPlugin) comp.getPlugin(SBMLUtils.SBML_SPATIAL_NS_PREFIX);
        GeometryClass gc = vcStructMapping.getGeometryClass();
        if (!goodPointer(gc, GeometryClass.class, structName)) {
            continue;
        }
        CompartmentMapping compMapping = new CompartmentMapping();
        cplugin.setCompartmentMapping(compMapping);
        String geomClassName = gc.getName();
        String id = TokenMangler.mangleToSName(geomClassName + structName);
        compMapping.setSpatialId(id);
        compMapping.setDomainType(TokenMangler.mangleToSName(DOMAIN_TYPE_PREFIX + geomClassName));
        try {
            StructureMappingParameter usp = vcStructMapping.getUnitSizeParameter();
            Expression e = usp.getExpression();
            if (goodPointer(e, Expression.class, id)) {
                compMapping.setUnitSize(e.evaluateConstant());
            }
        } catch (ExpressionException e) {
            e.printStackTrace(System.out);
            throw new RuntimeException("Unable to create compartment mapping for structureMapping '" + compMapping.getId() + "' : " + e.getMessage());
        }
    }
    // 
    // list of domain types : subvolumes and surface classes from VC
    // 
    boolean bAnyAnalyticSubvolumes = false;
    boolean bAnyImageSubvolumes = false;
    boolean bAnyCSGSubvolumes = false;
    GeometryClass[] vcGeomClasses = vcGeometry.getGeometryClasses();
    int numSubVols = 0;
    for (int i = 0; i < vcGeomClasses.length; i++) {
        DomainType domainType = sbmlGeometry.createDomainType();
        domainType.setSpatialId(DOMAIN_TYPE_PREFIX + vcGeomClasses[i].getName());
        if (vcGeomClasses[i] instanceof SubVolume) {
            if (((SubVolume) vcGeomClasses[i]) instanceof AnalyticSubVolume) {
                bAnyAnalyticSubvolumes = true;
            } else if (((SubVolume) vcGeomClasses[i]) instanceof ImageSubVolume) {
                bAnyImageSubvolumes = true;
            } else if (((SubVolume) vcGeomClasses[i]) instanceof CSGObject) {
                bAnyCSGSubvolumes = true;
            }
            domainType.setSpatialDimensions(3);
            numSubVols++;
        } else if (vcGeomClasses[i] instanceof SurfaceClass) {
            domainType.setSpatialDimensions(2);
        }
    }
    // 
    // list of domains, adjacent domains : from VC geometricRegions
    // 
    GeometrySurfaceDescription vcGSD = vcGeometry.getGeometrySurfaceDescription();
    if (vcGSD.getRegionImage() == null) {
        try {
            vcGSD.updateAll();
        } catch (Exception e) {
            e.printStackTrace(System.out);
            throw new RuntimeException("Unable to generate region images for geometry");
        }
    }
    GeometricRegion[] vcGeometricRegions = vcGSD.getGeometricRegions();
    ISize sampleSize = vcGSD.getVolumeSampleSize();
    int numX = sampleSize.getX();
    int numY = sampleSize.getY();
    int numZ = sampleSize.getZ();
    double ox = vcOrigin.getX();
    double oy = vcOrigin.getY();
    double oz = vcOrigin.getZ();
    RegionInfo[] regionInfos = vcGSD.getRegionImage().getRegionInfos();
    for (int i = 0; i < vcGeometricRegions.length; i++) {
        // domains
        Domain domain = sbmlGeometry.createDomain();
        domain.setSpatialId(vcGeometricRegions[i].getName());
        if (vcGeometricRegions[i] instanceof VolumeGeometricRegion) {
            domain.setDomainType(DOMAIN_TYPE_PREFIX + ((VolumeGeometricRegion) vcGeometricRegions[i]).getSubVolume().getName());
            // 
            // get a list of interior points ... should probably use the distance map to find a point
            // furthest inside (or several points associated with the morphological skeleton).
            // 
            InteriorPoint interiorPt = domain.createInteriorPoint();
            int regionID = ((VolumeGeometricRegion) vcGeometricRegions[i]).getRegionID();
            boolean bFound = false;
            int regInfoIndx = 0;
            for (int j = 0; j < regionInfos.length; j++) {
                regInfoIndx = j;
                if (regionInfos[j].getRegionIndex() == regionID) {
                    int volIndx = 0;
                    for (int z = 0; z < numZ && !bFound; z++) {
                        for (int y = 0; y < numY && !bFound; y++) {
                            for (int x = 0; x < numX && !bFound; x++) {
                                if (regionInfos[j].isIndexInRegion(volIndx)) {
                                    bFound = true;
                                    double unit_z = (numZ > 1) ? ((double) z) / (numZ - 1) : 0.5;
                                    double coordZ = oz + vcExtent.getZ() * unit_z;
                                    double unit_y = (numY > 1) ? ((double) y) / (numY - 1) : 0.5;
                                    double coordY = oy + vcExtent.getY() * unit_y;
                                    double unit_x = (numX > 1) ? ((double) x) / (numX - 1) : 0.5;
                                    double coordX = ox + vcExtent.getX() * unit_x;
                                    interiorPt.setCoord1(coordX);
                                    interiorPt.setCoord2(coordY);
                                    interiorPt.setCoord3(coordZ);
                                }
                                volIndx++;
                            }
                        // end - for x
                        }
                    // end - for y
                    }
                // end - for z
                }
            // end if
            }
            // end for regionInfos
            if (!bFound) {
                throw new RuntimeException("Unable to find interior point for region '" + regionInfos[regInfoIndx].toString());
            }
        } else if (vcGeometricRegions[i] instanceof SurfaceGeometricRegion) {
            SurfaceGeometricRegion vcSurfaceGeomReg = (SurfaceGeometricRegion) vcGeometricRegions[i];
            GeometricRegion geomRegion0 = vcSurfaceGeomReg.getAdjacentGeometricRegions()[0];
            GeometricRegion geomRegion1 = vcSurfaceGeomReg.getAdjacentGeometricRegions()[1];
            SurfaceClass surfaceClass = vcGSD.getSurfaceClass(((VolumeGeometricRegion) geomRegion0).getSubVolume(), ((VolumeGeometricRegion) geomRegion1).getSubVolume());
            domain.setDomainType(DOMAIN_TYPE_PREFIX + surfaceClass.getName());
            // adjacent domains : 2 adjacent domain objects for each surfaceClass in VC.
            // adjacent domain 1
            GeometricRegion adjGeomRegion0 = vcSurfaceGeomReg.getAdjacentGeometricRegions()[0];
            GeometricRegion adjGeomRegion1 = vcSurfaceGeomReg.getAdjacentGeometricRegions()[1];
            AdjacentDomains adjDomain = new AdjacentDomains();
            adjDomain.setSpatialId(TokenMangler.mangleToSName(vcSurfaceGeomReg.getName() + "_" + adjGeomRegion0.getName()));
            adjDomain.setDomain1(vcSurfaceGeomReg.getName());
            adjDomain.setDomain2(adjGeomRegion0.getName());
            sbmlGeometry.addAdjacentDomain(adjDomain);
            // adj domain 2
            adjDomain = new AdjacentDomains();
            adjDomain.setSpatialId(TokenMangler.mangleToSName(vcSurfaceGeomReg.getName() + "_" + adjGeomRegion1.getName()));
            adjDomain.setDomain1(vcSurfaceGeomReg.getName());
            adjDomain.setDomain2(adjGeomRegion1.getName());
            sbmlGeometry.addAdjacentDomain(adjDomain);
        }
    }
    // 
    if (bAnyAnalyticSubvolumes && !bAnyImageSubvolumes && !bAnyCSGSubvolumes) {
        AnalyticGeometry sbmlAnalyticGeomDefinition = sbmlGeometry.createAnalyticGeometry();
        sbmlAnalyticGeomDefinition.setSpatialId(TokenMangler.mangleToSName("Analytic_" + vcGeometry.getName()));
        sbmlAnalyticGeomDefinition.setIsActive(true);
        for (int i = 0; i < vcGeomClasses.length; i++) {
            if (vcGeomClasses[i] instanceof AnalyticSubVolume) {
                AnalyticVolume analyticVol = sbmlAnalyticGeomDefinition.createAnalyticVolume();
                analyticVol.setSpatialId(vcGeomClasses[i].getName());
                analyticVol.setDomainType(DOMAIN_TYPE_PREFIX + vcGeomClasses[i].getName());
                analyticVol.setFunctionType(FunctionKind.layered);
                analyticVol.setOrdinal(numSubVols - (i + 1));
                Expression expr = ((AnalyticSubVolume) vcGeomClasses[i]).getExpression();
                try {
                    String mathMLStr = ExpressionMathMLPrinter.getMathML(expr, true, MathType.BOOLEAN);
                    ASTNode mathMLNode = ASTNode.readMathMLFromString(mathMLStr);
                    analyticVol.setMath(mathMLNode);
                } catch (Exception e) {
                    e.printStackTrace(System.out);
                    throw new RuntimeException("Error converting VC subvolume expression to mathML" + e.getMessage());
                }
            }
        }
    }
    // 
    if (!bAnyAnalyticSubvolumes && !bAnyImageSubvolumes && bAnyCSGSubvolumes) {
        CSGeometry sbmlCSGeomDefinition = new CSGeometry();
        sbmlGeometry.addGeometryDefinition(sbmlCSGeomDefinition);
        sbmlCSGeomDefinition.setSpatialId(TokenMangler.mangleToSName("CSG_" + vcGeometry.getName()));
        for (int i = 0; i < vcGeomClasses.length; i++) {
            if (vcGeomClasses[i] instanceof CSGObject) {
                CSGObject vcellCSGObject = (CSGObject) vcGeomClasses[i];
                org.sbml.jsbml.ext.spatial.CSGObject sbmlCSGObject = new org.sbml.jsbml.ext.spatial.CSGObject();
                sbmlCSGeomDefinition.addCSGObject(sbmlCSGObject);
                sbmlCSGObject.setSpatialId(vcellCSGObject.getName());
                sbmlCSGObject.setDomainType(DOMAIN_TYPE_PREFIX + vcellCSGObject.getName());
                // the ordinal should the the least for the default/background subVolume
                sbmlCSGObject.setOrdinal(numSubVols - (i + 1));
                org.sbml.jsbml.ext.spatial.CSGNode sbmlcsgNode = getSBMLCSGNode(vcellCSGObject.getRoot());
                sbmlCSGObject.setCSGNode(sbmlcsgNode);
            }
        }
    }
    // 
    // add "Segmented" and "DistanceMap" SampledField Geometries
    // 
    final boolean bVCGeometryIsImage = bAnyImageSubvolumes && !bAnyAnalyticSubvolumes && !bAnyCSGSubvolumes;
    // 55if (bAnyAnalyticSubvolumes || bAnyImageSubvolumes || bAnyCSGSubvolumes){
    if (bVCGeometryIsImage) {
        // 
        // add "Segmented" SampledFieldGeometry
        // 
        SampledFieldGeometry segmentedImageSampledFieldGeometry = sbmlGeometry.createSampledFieldGeometry();
        segmentedImageSampledFieldGeometry.setSpatialId(TokenMangler.mangleToSName("SegmentedImage_" + vcGeometry.getName()));
        segmentedImageSampledFieldGeometry.setIsActive(true);
        // 55boolean bVCGeometryIsImage = bAnyImageSubvolumes && !bAnyAnalyticSubvolumes && !bAnyCSGSubvolumes;
        Geometry vcImageGeometry = null;
        {
            if (bVCGeometryIsImage) {
                // make a resampled image;
                if (dimension == 3) {
                    try {
                        ISize imageSize = vcGeometry.getGeometrySpec().getDefaultSampledImageSize();
                        vcGeometry.precomputeAll(new GeometryThumbnailImageFactoryAWT());
                        vcImageGeometry = RayCaster.resampleGeometry(new GeometryThumbnailImageFactoryAWT(), vcGeometry, imageSize);
                    } catch (Throwable e) {
                        e.printStackTrace(System.out);
                        throw new RuntimeException("Unable to convert the original analytic or constructed solid geometry to image-based geometry : " + e.getMessage());
                    }
                } else {
                    try {
                        vcGeometry.precomputeAll(new GeometryThumbnailImageFactoryAWT(), true, false);
                        GeometrySpec origGeometrySpec = vcGeometry.getGeometrySpec();
                        VCImage newVCImage = origGeometrySpec.getSampledImage().getCurrentValue();
                        // 
                        // construct the new geometry with the sampled VCImage.
                        // 
                        vcImageGeometry = new Geometry(vcGeometry.getName() + "_asImage", newVCImage);
                        vcImageGeometry.getGeometrySpec().setExtent(vcGeometry.getExtent());
                        vcImageGeometry.getGeometrySpec().setOrigin(vcGeometry.getOrigin());
                        vcImageGeometry.setDescription(vcGeometry.getDescription());
                        vcImageGeometry.getGeometrySurfaceDescription().setFilterCutoffFrequency(vcGeometry.getGeometrySurfaceDescription().getFilterCutoffFrequency());
                        vcImageGeometry.precomputeAll(new GeometryThumbnailImageFactoryAWT(), true, true);
                    } catch (Exception e) {
                        e.printStackTrace(System.out);
                        throw new RuntimeException("Unable to convert the original analytic or constructed solid geometry to image-based geometry : " + e.getMessage());
                    }
                }
                GeometryClass[] vcImageGeomClasses = vcImageGeometry.getGeometryClasses();
                for (int j = 0; j < vcImageGeomClasses.length; j++) {
                    if (vcImageGeomClasses[j] instanceof ImageSubVolume) {
                        SampledVolume sampledVol = segmentedImageSampledFieldGeometry.createSampledVolume();
                        sampledVol.setSpatialId(vcGeomClasses[j].getName());
                        sampledVol.setDomainType(DOMAIN_TYPE_PREFIX + vcGeomClasses[j].getName());
                        sampledVol.setSampledValue(((ImageSubVolume) vcImageGeomClasses[j]).getPixelValue());
                    }
                }
                // add sampledField to sampledFieldGeometry
                SampledField segmentedImageSampledField = sbmlGeometry.createSampledField();
                VCImage vcImage = vcImageGeometry.getGeometrySpec().getImage();
                segmentedImageSampledField.setSpatialId("SegmentedImageSampledField");
                segmentedImageSampledField.setNumSamples1(vcImage.getNumX());
                segmentedImageSampledField.setNumSamples2(vcImage.getNumY());
                segmentedImageSampledField.setNumSamples3(vcImage.getNumZ());
                segmentedImageSampledField.setInterpolationType(InterpolationKind.nearestneighbor);
                segmentedImageSampledField.setCompression(CompressionKind.uncompressed);
                segmentedImageSampledField.setDataType(DataKind.UINT8);
                segmentedImageSampledFieldGeometry.setSampledField(segmentedImageSampledField.getId());
                try {
                    byte[] vcImagePixelsBytes = vcImage.getPixels();
                    // imageData.setCompression("");
                    StringBuffer sb = new StringBuffer();
                    for (int i = 0; i < vcImagePixelsBytes.length; i++) {
                        int uint8_sample = ((int) vcImagePixelsBytes[i]) & 0xff;
                        sb.append(uint8_sample + " ");
                    }
                    segmentedImageSampledField.setSamplesLength(vcImage.getNumXYZ());
                    segmentedImageSampledField.setSamples(sb.toString().trim());
                } catch (ImageException e) {
                    e.printStackTrace(System.out);
                    throw new RuntimeException("Unable to export image from VCell to SBML : " + e.getMessage());
                }
            }
        }
    /*		
		//
		// add "DistanceMap" SampledFieldGeometry if there are exactly two subvolumes (else need more fields) and geometry is 3d.
		//
		if (numSubVols==2 && dimension == 3){
			SignedDistanceMap[] distanceMaps = null;
			try {
				distanceMaps = DistanceMapGenerator.computeDistanceMaps(vcImageGeometry, vcImageGeometry.getGeometrySpec().getImage(), false, false);
			} catch (ImageException e) {
				e.printStackTrace(System.out);
				System.err.println("Unable to export distance map sampled field from VCell to SBML : " + e.getMessage());
				// throw new RuntimeException("Unable to export distance map sampled field from VCell to SBML : " + e.getMessage());
				
				// don't want to throw an exception and stop export because distance map geometry couldn't be exported. 
				// just 'return' from method (since this is the last thing that is being done in this method).
				return;
			}
			//
			// the two distanceMaps should be redundant (one is negation of the other) ... so choose first one for field.
			//
			double[] signedDistances = distanceMaps[0].getSignedDistances();
			SampledFieldGeometry distanceMapSampledFieldGeometry = sbmlGeometry.createSampledFieldGeometry();
			distanceMapSampledFieldGeometry.setSpatialId(TokenMangler.mangleToSName("DistanceMap_"+vcGeometry.getName()));
			SampledField distanceMapSampledField = distanceMapSampledFieldGeometry.createSampledField();
			distanceMapSampledField.setSpatialId("DistanceMapSampledField");
			distanceMapSampledField.setNumSamples1(distanceMaps[0].getSamplesX().length);
			distanceMapSampledField.setNumSamples2(distanceMaps[0].getSamplesY().length);
			distanceMapSampledField.setNumSamples3(distanceMaps[0].getSamplesZ().length);
			distanceMapSampledField.setDataType("real");
System.err.println("do we need distanceMapSampleField.setDataType()?");
			distanceMapSampledField.setInterpolationType("linear");
			ImageData distanceMapImageData = distanceMapSampledField.createImageData();
			distanceMapImageData.setDataType("int16");
System.err.println("should be:\n  distanceMapImageData.setDataType(\"float32\")");
//					distanceMapImageData.setCompression("");

			double maxAbsValue = 0;
			for (int i = 0; i < signedDistances.length; i++) {
				maxAbsValue = Math.max(maxAbsValue,Math.abs(signedDistances[i]));
			}
			if (maxAbsValue==0.0){
				throw new RuntimeException("computed distance map all zeros");
			}
			double scale = (Short.MAX_VALUE-1)/maxAbsValue;
			int[] scaledIntegerDistanceMap = new int[signedDistances.length];
			for (int i = 0; i < signedDistances.length; i++) {
				scaledIntegerDistanceMap[i] = (int)(scale * signedDistances[i]);
			}
			distanceMapImageData.setSamples(scaledIntegerDistanceMap, signedDistances.length);
System.err.println("should be:\n  distanceMapImageData.setSamples((float[])signedDistances,signedDistances.length)");
			SampledVolume sampledVol = distanceMapSampledFieldGeometry.createSampledVolume();
			sampledVol.setSpatialId(distanceMaps[0].getInsideSubvolumeName());
			sampledVol.setDomainType(DOMAIN_TYPE_PREFIX+distanceMaps[0].getInsideSubvolumeName());
			sampledVol.setSampledValue(255);
			sampledVol = distanceMapSampledFieldGeometry.createSampledVolume();
			sampledVol.setSpatialId(distanceMaps[1].getInsideSubvolumeName());
			sampledVol.setDomainType(DOMAIN_TYPE_PREFIX+distanceMaps[1].getInsideSubvolumeName());
			sampledVol.setSampledValue(1);
		}
*/
    }
// 
// add "SurfaceMesh" ParametricGeometry
// 
// if (bAnyAnalyticSubvolumes || bAnyImageSubvolumes || bAnyCSGSubvolumes){
// ParametricGeometry sbmlParametricGeomDefinition = sbmlGeometry.createParametricGeometry();
// sbmlParametricGeomDefinition.setSpatialId(TokenMangler.mangleToSName("SurfaceMesh_"+vcGeometry.getName()));
// xxxx
// }
}

Example 75 with SubVolume

use of cbit.vcell.geometry.SubVolume in project vcell by virtualcell.

the class StructureSizeSolver method updateUnitStructureSizes.

/**
 * Insert the method's description here.
 * Creation date: (5/17/2006 10:33:38 AM)
 * @return double[]
 * @param structName java.lang.String
 * @param structSize double
 */
public static void updateUnitStructureSizes(SimulationContext simContext, GeometryClass geometryClass) {
    if (simContext.getGeometryContext().getGeometry().getDimension() == 0) {
        return;
    }
    StructureMapping[] myStructMappings = simContext.getGeometryContext().getStructureMappings(geometryClass);
    if (myStructMappings != null && myStructMappings.length == 1) {
        // if the unitSizeParameter is dimensionless, then features are mapped to SubVolumes or Membranes are mapped to surfaces (should sum to 1)
        boolean bDimensionless = myStructMappings[0].getUnitSizeParameter().getUnitDefinition().isEquivalent(simContext.getModel().getUnitSystem().getInstance_DIMENSIONLESS());
        if (bDimensionless) {
            try {
                myStructMappings[0].getUnitSizeParameter().setExpression(new Expression(1.0));
                return;
            } catch (ExpressionException e) {
                e.printStackTrace(System.out);
                throw new RuntimeException(e.getMessage());
            }
        }
    }
    if (myStructMappings != null && myStructMappings.length == 0) {
        // nothing to solve, there are no mappings for this geometryClass
        return;
    }
    StructureMapping[] structMappings = simContext.getGeometryContext().getStructureMappings();
    try {
        ConstraintContainerImpl ccImpl = new ConstraintContainerImpl();
        Structure struct = null;
        Expression totalVolExpr = new Expression(0.0);
        StructureTopology structureTopology = simContext.getModel().getStructureTopology();
        for (int i = 0; i < structMappings.length; i++) {
            if (structMappings[i].getGeometryClass() != geometryClass) {
                continue;
            }
            // new model with unit sizes already
            if (structMappings[i].getUnitSizeParameter() != null && structMappings[i].getUnitSizeParameter().getExpression() != null) {
                return;
            }
            if (struct == null) {
                struct = structMappings[i].getStructure();
            }
            if (structMappings[i] instanceof MembraneMapping) {
                MembraneMapping membraneMapping = (MembraneMapping) structMappings[i];
                Membrane membrane = membraneMapping.getMembrane();
                String membraneSizeName = TokenMangler.mangleToSName(membrane.getName() + "_size");
                ccImpl.addSimpleBound(new SimpleBounds(membraneSizeName, new RealInterval(0, 100000), AbstractConstraint.PHYSICAL_LIMIT, "definition"));
                Feature insideFeature = structureTopology.getInsideFeature(membrane);
                String volFractName = TokenMangler.mangleToSName(insideFeature.getName() + "_volFract");
                String svRatioName = TokenMangler.mangleToSName(insideFeature.getName() + "_svRatio");
                StructureMapping.StructureMappingParameter volFractParameter = membraneMapping.getVolumeFractionParameter();
                double volFractValue = volFractParameter.getExpression().evaluateConstant();
                ccImpl.addSimpleBound(new SimpleBounds(volFractName, new RealInterval(volFractValue, volFractValue), AbstractConstraint.MODELING_ASSUMPTION, "from model"));
                StructureMapping.StructureMappingParameter surfToVolParameter = membraneMapping.getSurfaceToVolumeParameter();
                double svRatioValue = surfToVolParameter.getExpression().evaluateConstant();
                ccImpl.addSimpleBound(new SimpleBounds(svRatioName, new RealInterval(svRatioValue, svRatioValue), AbstractConstraint.MODELING_ASSUMPTION, "from model"));
                // membrane mapped to volume
                if (geometryClass instanceof SubVolume) {
                    // 
                    // EC eclosing cyt, which contains er and golgi
                    // "(cyt_size+ er_size + golgi_size) * cyt_svRatio - PM_size == 0"
                    // 
                    Expression sumOfInsideVolumeExp = new Expression(0.0);
                    for (int j = 0; j < structMappings.length; j++) {
                        if (structMappings[j] instanceof FeatureMapping && structureTopology.enclosedBy(structMappings[j].getStructure(), insideFeature)) {
                            Feature childFeatureOfInside = ((FeatureMapping) structMappings[j]).getFeature();
                            if (simContext.getGeometryContext().getStructureMapping(childFeatureOfInside).getGeometryClass() == geometryClass) {
                                sumOfInsideVolumeExp = Expression.add(sumOfInsideVolumeExp, new Expression(TokenMangler.mangleToSName(childFeatureOfInside.getName() + "_size")));
                            }
                        }
                    }
                    Expression tempExpr = Expression.mult(sumOfInsideVolumeExp, new Expression(svRatioName));
                    tempExpr = Expression.add(tempExpr, new Expression("-" + membraneSizeName));
                    ccImpl.addGeneralConstraint(new GeneralConstraint(new Expression(tempExpr.infix() + "==0"), AbstractConstraint.MODELING_ASSUMPTION, "svRatio definition"));
                    // 
                    // EC eclosing cyt, which contains er and golgi
                    // (EC_size + cyt_size + er_size + golgi_size) * cyt_vfRatio - (cyt_size + er_size + golgi_size) == 0
                    // 
                    Feature outsideFeature = structureTopology.getOutsideFeature(membrane);
                    Expression sumOfParentVolumeExp = new Expression(0.0);
                    for (int j = 0; j < structMappings.length; j++) {
                        if (structMappings[j] instanceof FeatureMapping && structureTopology.enclosedBy(structMappings[j].getStructure(), outsideFeature)) {
                            Feature childFeatureOfParent = ((FeatureMapping) structMappings[j]).getFeature();
                            if (simContext.getGeometryContext().getStructureMapping(childFeatureOfParent).getGeometryClass() == geometryClass) {
                                sumOfParentVolumeExp = Expression.add(sumOfParentVolumeExp, new Expression(TokenMangler.mangleToSName(childFeatureOfParent.getName() + "_size")));
                            }
                        }
                    }
                    Expression exp = Expression.mult(sumOfParentVolumeExp, new Expression(volFractName));
                    exp = Expression.add(exp, Expression.negate(sumOfInsideVolumeExp));
                    ccImpl.addGeneralConstraint(new GeneralConstraint(new Expression(exp.infix() + "==0.0"), AbstractConstraint.MODELING_ASSUMPTION, "volFract definition"));
                }
            } else if (structMappings[i] instanceof FeatureMapping) {
                FeatureMapping featureMapping = (FeatureMapping) structMappings[i];
                String featureSizeName = TokenMangler.mangleToSName(featureMapping.getFeature().getName() + "_size");
                totalVolExpr = Expression.add(totalVolExpr, new Expression(featureSizeName));
                ccImpl.addSimpleBound(new SimpleBounds(featureSizeName, new RealInterval(0, 1), AbstractConstraint.PHYSICAL_LIMIT, "definition"));
            }
        }
        if (geometryClass instanceof SubVolume) {
            ccImpl.addGeneralConstraint(new GeneralConstraint(new Expression(totalVolExpr.infix() + "==1.0"), AbstractConstraint.MODELING_ASSUMPTION, "total volume"));
        }
        // ccImpl.show();
        ConstraintSolver constraintSolver = new ConstraintSolver(ccImpl);
        constraintSolver.resetIntervals();
        int numTimesNarrowed = 0;
        RealInterval[] lastSolution = null;
        boolean bChanged = true;
        while (constraintSolver.narrow() && bChanged && numTimesNarrowed < 125) {
            numTimesNarrowed++;
            bChanged = false;
            RealInterval[] thisSolution = constraintSolver.getIntervals();
            if (lastSolution != null) {
                for (int i = 0; i < thisSolution.length; i++) {
                    if (!thisSolution[i].equals(lastSolution[i])) {
                        bChanged = true;
                    }
                }
            } else {
                bChanged = true;
            }
            lastSolution = thisSolution;
        }
        System.out.println("num of times narrowed = " + numTimesNarrowed);
        if (numTimesNarrowed > 0) {
            String[] symbols = constraintSolver.getSymbols();
            net.sourceforge.interval.ia_math.RealInterval[] solution = constraintSolver.getIntervals();
            double totalArea = 0;
            double totalVolume = 0;
            for (int i = 0; i < symbols.length; i++) {
                System.out.println("solution[" + i + "] \"" + symbols[i] + "\" = " + solution[i]);
                for (int j = 0; j < structMappings.length; j++) {
                    if (symbols[i].equals(TokenMangler.mangleToSName(structMappings[j].getStructure().getName() + "_size"))) {
                        if (!Double.isInfinite(solution[i].lo()) && !Double.isInfinite(solution[i].hi())) {
                            double value = (solution[i].lo() + solution[i].hi()) / 2;
                            Expression exp = new Expression(value);
                            if (structMappings[j] instanceof FeatureMapping) {
                                FeatureMapping fm = (FeatureMapping) structMappings[j];
                                totalVolume += value;
                                if (geometryClass instanceof SubVolume) {
                                    fm.getVolumePerUnitVolumeParameter().setExpression(exp);
                                } else if (geometryClass instanceof SurfaceClass) {
                                    fm.getVolumePerUnitAreaParameter().setExpression(exp);
                                }
                            } else if (structMappings[j] instanceof MembraneMapping) {
                                MembraneMapping mm = (MembraneMapping) structMappings[j];
                                totalArea += value;
                                if (geometryClass instanceof SubVolume) {
                                    mm.getAreaPerUnitVolumeParameter().setExpression(exp);
                                } else if (geometryClass instanceof SurfaceClass) {
                                    mm.getAreaPerUnitAreaParameter().setExpression(exp);
                                }
                            }
                        }
                    }
                }
            }
            // 
            // normalize all so that total volume is 1.0 for subVolumes or
            // total area is 1.0 for surfaceClasses
            // 
            double scaleFactor = 1;
            if (geometryClass instanceof SubVolume) {
                scaleFactor = totalVolume;
            } else if (geometryClass instanceof SurfaceClass) {
                scaleFactor = totalArea;
            } else {
                throw new RuntimeException("unexpected GeometryClass");
            }
            for (int j = 0; j < structMappings.length; j++) {
                if (structMappings[j].getGeometryClass() == geometryClass) {
                    if (structMappings[j] instanceof FeatureMapping) {
                        FeatureMapping fm = (FeatureMapping) structMappings[j];
                        if (geometryClass instanceof SubVolume) {
                            fm.getVolumePerUnitVolumeParameter().setExpression(new Expression(fm.getVolumePerUnitVolumeParameter().getExpression().evaluateConstant() / scaleFactor));
                        } else if (geometryClass instanceof SurfaceClass) {
                            fm.getVolumePerUnitAreaParameter().setExpression(new Expression(fm.getVolumePerUnitAreaParameter().getExpression().evaluateConstant() / scaleFactor));
                        }
                    } else if (structMappings[j] instanceof MembraneMapping) {
                        MembraneMapping mm = (MembraneMapping) structMappings[j];
                        if (geometryClass instanceof SubVolume) {
                            mm.getAreaPerUnitVolumeParameter().setExpression(new Expression(mm.getAreaPerUnitVolumeParameter().getExpression().evaluateConstant() / scaleFactor));
                        } else if (geometryClass instanceof SurfaceClass) {
                            mm.getAreaPerUnitAreaParameter().setExpression(new Expression(mm.getAreaPerUnitAreaParameter().getExpression().evaluateConstant() / scaleFactor));
                        }
                    }
                }
            }
        } else {
            throw new RuntimeException("cannot solve for size");
        }
    } catch (ExpressionException e) {
        e.printStackTrace(System.out);
        throw new RuntimeException(e.getMessage());
    } catch (java.beans.PropertyVetoException e) {
        e.printStackTrace(System.out);
        throw new RuntimeException(e.getMessage());
    }
}