use of org.sbml.jsbml.ext.spatial.CoordinateKind in project vcell by virtualcell.
the class SBMLImporter method addParameters.
/**
* addParameters : Adds global parameters from SBML model to VCell model. If
* expression for global parameter contains species, creates a conc_factor
* parameter (conversion from SBML - VCell conc units) and adds this factor
* to VC global params list, and replaces occurances of 'sp' with
* 'sp*concFactor' in original param expression.
*
* @throws PropertyVetoException
*/
protected void addParameters() throws Exception {
ListOf listofGlobalParams = sbmlModel.getListOfParameters();
if (listofGlobalParams == null) {
System.out.println("No Global Parameters");
return;
}
Model vcModel = vcBioModel.getSimulationContext(0).getModel();
ArrayList<ModelParameter> vcModelParamsList = new ArrayList<Model.ModelParameter>();
// create a hash of reserved symbols so that if there is any reserved
// symbol occurring as a global parameter in the SBML model,
// the hash can be used to check for reserved symbols, so that it will
// not be added as a global parameter in VCell,
// since reserved symbols cannot be used as other variables (species,
// structureSize, parameters, reactions, etc.).
HashSet<String> reservedSymbolHash = new HashSet<String>();
for (ReservedSymbol rs : vcModel.getReservedSymbols()) {
reservedSymbolHash.add(rs.getName());
}
ModelUnitSystem modelUnitSystem = vcModel.getUnitSystem();
for (int i = 0; i < sbmlModel.getNumParameters(); i++) {
Parameter sbmlGlobalParam = (Parameter) listofGlobalParams.get(i);
String paramName = sbmlGlobalParam.getId();
SpatialParameterPlugin spplugin = null;
if (bSpatial) {
// check if parameter id is x/y/z : if so, check if its
// 'spatialSymbolRef' child's spatial id and type are non-empty.
// If so, the parameter represents a spatial element.
// If not, throw an exception, since a parameter that does not
// represent a spatial element cannot have an id of x/y/z
spplugin = (SpatialParameterPlugin) sbmlGlobalParam.getPlugin(SBMLUtils.SBML_SPATIAL_NS_PREFIX);
if (paramName.equals("x") || paramName.equals("y") || paramName.equals("z")) {
boolean bSpatialParam = (spplugin != null && spplugin.getParamType() instanceof SpatialSymbolReference);
// if (a) and (b) are true, continue with the next parameter
if (!bSpatialParam) {
throw new RuntimeException("Parameter '" + paramName + "' is not a spatial parameter : Cannot have a variable in VCell named '" + paramName + "' unless it is a spatial variable.");
} else {
// parameter to the list of vcell parameters.
continue;
}
}
}
//
// Get param value if set or get its expression from rule
//
// Check if param is defined by an assignment rule or initial
// assignment. If so, that value overrides the value existing in the
// param element.
// assignment rule, first
Expression valueExpr = getValueFromAssignmentRule(paramName);
if (valueExpr == null) {
if (sbmlGlobalParam.isSetValue()) {
double value = sbmlGlobalParam.getValue();
valueExpr = new Expression(value);
} else {
// if value for global param is not set and param has a rate
// rule, need to set an init value for param (else, there
// will be a problem in reaction which uses this parameter).
// use a 'default' initial value of '0'
valueExpr = new Expression(0.0);
// logger.sendMessage(VCLogger.Priority.MediumPriority,
// VCLogger.Priority.LowPriority,
// "Parameter did not have an initial value, but has a rate rule specified. Using a default value of 0.0.");
}
}
if (valueExpr != null) {
// valueExpr will be changed
valueExpr = adjustExpression(valueExpr, vcModel);
}
// extension
if (bSpatial) {
VCAssert.assertTrue(spplugin != null, "invalid initialization logic");
ParameterType sbmlParamType = spplugin.getParamType();
SpeciesContext paramSpContext = null;
SpeciesContextSpec vcSpContextsSpec = null;
// Check for diffusion coefficient(s)
if (sbmlParamType instanceof DiffusionCoefficient) {
DiffusionCoefficient diffCoeff = (DiffusionCoefficient) sbmlParamType;
if (diffCoeff != null && diffCoeff.isSetVariable()) {
// get the var of diffCoeff; find appropriate spContext
// in vcell; set its diff param to param value.
paramSpContext = vcModel.getSpeciesContext(diffCoeff.getVariable());
if (paramSpContext != null) {
vcSpContextsSpec = vcBioModel.getSimulationContext(0).getReactionContext().getSpeciesContextSpec(paramSpContext);
vcSpContextsSpec.getDiffusionParameter().setExpression(valueExpr);
}
// coeff parameter to the list of vcell parameters.
continue;
}
}
// Check for advection coefficient(s)
if (sbmlParamType instanceof AdvectionCoefficient) {
AdvectionCoefficient advCoeff = (AdvectionCoefficient) sbmlParamType;
if (advCoeff != null && advCoeff.isSetVariable()) {
// get the var of advCoeff; find appropriate spContext
// in vcell; set its adv param to param value.
paramSpContext = vcModel.getSpeciesContext(advCoeff.getVariable());
if (paramSpContext != null) {
vcSpContextsSpec = vcBioModel.getSimulationContext(0).getReactionContext().getSpeciesContextSpec(paramSpContext);
CoordinateKind coordKind = advCoeff.getCoordinate();
SpeciesContextSpecParameter param = null;
switch(coordKind) {
case cartesianX:
{
param = vcSpContextsSpec.getParameterFromRole(SpeciesContextSpec.ROLE_VelocityX);
break;
}
case cartesianY:
{
param = vcSpContextsSpec.getParameterFromRole(SpeciesContextSpec.ROLE_VelocityY);
break;
}
case cartesianZ:
{
param = vcSpContextsSpec.getParameterFromRole(SpeciesContextSpec.ROLE_VelocityZ);
break;
}
}
param.setExpression(valueExpr);
}
// coeff parameter to the list of vcell parameters.
continue;
}
}
// Check for Boundary condition(s)
if (sbmlParamType instanceof BoundaryCondition) {
BoundaryCondition bCondn = (BoundaryCondition) sbmlParamType;
if (bCondn != null && bCondn.isSetVariable()) {
// get the var of boundaryCondn; find appropriate
// spContext in vcell;
// set the BC param of its speciesContextSpec to param
// value.
paramSpContext = vcModel.getSpeciesContext(bCondn.getVariable());
if (paramSpContext == null) {
throw new RuntimeException("unable to process boundary condition for variable " + bCondn.getVariable());
}
StructureMapping sm = vcBioModel.getSimulationContext(0).getGeometryContext().getStructureMapping(paramSpContext.getStructure());
vcSpContextsSpec = vcBioModel.getSimulationContext(0).getReactionContext().getSpeciesContextSpec(paramSpContext);
for (CoordinateComponent coordComp : getSbmlGeometry().getListOfCoordinateComponents()) {
if (bCondn.getSpatialRef().equals(coordComp.getBoundaryMinimum().getSpatialId())) {
switch(coordComp.getType()) {
case cartesianX:
{
vcSpContextsSpec.getBoundaryXmParameter().setExpression(valueExpr);
}
case cartesianY:
{
vcSpContextsSpec.getBoundaryYmParameter().setExpression(valueExpr);
}
case cartesianZ:
{
vcSpContextsSpec.getBoundaryZmParameter().setExpression(valueExpr);
}
}
}
if (bCondn.getSpatialRef().equals(coordComp.getBoundaryMaximum().getSpatialId())) {
switch(coordComp.getType()) {
case cartesianX:
{
vcSpContextsSpec.getBoundaryXpParameter().setExpression(valueExpr);
}
case cartesianY:
{
vcSpContextsSpec.getBoundaryYpParameter().setExpression(valueExpr);
}
case cartesianZ:
{
vcSpContextsSpec.getBoundaryZpParameter().setExpression(valueExpr);
}
}
}
}
continue;
}
}
// Check for Boundary condition(s)
if (sbmlParamType instanceof SpatialSymbolReference) {
SpatialSymbolReference spatialSymbolRef = (SpatialSymbolReference) sbmlParamType;
throw new RuntimeException("generic Spatial Symbol References not yet supported, unresolved spatial reference '" + spatialSymbolRef.getSpatialRef() + "'");
}
}
// doesn't exist.
if (vcModel.getModelParameter(paramName) == null) {
VCUnitDefinition glParamUnitDefn = sbmlUnitIdentifierHash.get(sbmlGlobalParam.getUnits());
// set it to TBD or check if it was dimensionless.
if (glParamUnitDefn == null) {
glParamUnitDefn = modelUnitSystem.getInstance_TBD();
}
// VCell : cannot add reserved symbol to model params.
if (!reservedSymbolHash.contains(paramName)) {
ModelParameter vcGlobalParam = vcModel.new ModelParameter(paramName, valueExpr, Model.ROLE_UserDefined, glParamUnitDefn);
if (paramName.length() > 64) {
// record global parameter name in annotation if it is
// longer than 64 characeters
vcGlobalParam.setDescription("Parameter Name : " + paramName);
}
vcModelParamsList.add(vcGlobalParam);
}
}
}
// end for - sbmlModel.parameters
vcModel.setModelParameters(vcModelParamsList.toArray(new ModelParameter[0]));
}
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