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Fixed bug in IFC when dimensional exponent parameters in IfcSIUnits is not defined. 

Usually, the value of this parameter is derived from parents, but it is not always the case for some files.
pull/1676/head
Leo Terziman 2018-01-03 16:08:18 +01:00
parent ee56ffa1f1
commit 32dfd423db
1 changed files with 1 additions and 0 deletions
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code/IFCReaderGen1.cpp
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@ -2652,6 +2652,7 @@ template <> size_t GenericFill<IfcNamedUnit>(const DB& db, const LIST& params, I
size_t base = 0;
if (params.GetSize() < 2) { throw STEP::TypeError("expected 2 arguments to IfcNamedUnit"); } do { // convert the 'Dimensions' argument
std::shared_ptr<const DataType> arg = params[base++];
if (dynamic_cast<const UNSET*>(&*arg)) break;
if (dynamic_cast<const ISDERIVED*>(&*arg)) { in->ObjectHelper<Assimp::IFC::IfcNamedUnit,2>::aux_is_derived[0]=true; break; }
try { GenericConvert( in->Dimensions, arg, db ); break; }
catch (const TypeError& t) { throw TypeError(t.what() + std::string(" - expected argument 0 to IfcNamedUnit to be a `IfcDimensionalExponents`")); }