UsdVolVolume::FieldMap
UsdVolVolume::GetFieldPaths() const
{
std::map<TfToken, SdfPath> fieldMap;
const UsdPrim &prim = GetPrim();
if (prim) {
std::vector<UsdProperty> fieldProps =
prim.GetPropertiesInNamespace(_tokens->fieldPrefix);
for (const UsdProperty &fieldProp : fieldProps) {
UsdRelationship fieldRel = fieldProp.As<UsdRelationship>();
SdfPathVector targets;
// All relationships starting with "field:" should point to
// UsdVolFieldBase primitives.
if (fieldRel && fieldRel.GetForwardedTargets(&targets)) {
if (targets.size() == 1 &&
targets.front().IsPrimPath()) {
fieldMap.emplace(fieldRel.GetBaseName(), targets.front());
}
}
}
}
return fieldMap;
}
SdfPath
UsdVolVolume::GetFieldPath(const TfToken &name) const
{
UsdRelationship fieldRel = GetPrim().GetRelationship(_MakeNamespaced(name));
SdfPathVector targets;
if (fieldRel && fieldRel.GetForwardedTargets(&targets)) {
if (targets.size() == 1 &&
targets.front().IsPrimPath()) {
return targets.front();
}
}
return SdfPath::EmptyPath();
}