+#include <OSD_Exception.hxx>
+
+//=================================================================================================
+bool readUnits(const STEPControl_Reader& aReader,
+ const bool theScalInterUnits,
+ std::string& theError)
+{
+ // Regard or not the model units
+ if (!theScalInterUnits) {
+ // set UnitFlag to units from file
+ TColStd_SequenceOfAsciiString anUnitLengthNames;
+ TColStd_SequenceOfAsciiString anUnitAngleNames;
+ TColStd_SequenceOfAsciiString anUnitSolidAngleNames;
+ aReader.FileUnits(anUnitLengthNames, anUnitAngleNames, anUnitSolidAngleNames);
+ if (anUnitLengthNames.Length() > 0) {
+ TCollection_AsciiString aLenUnits = anUnitLengthNames.First();
+ if (aLenUnits == "millimetre")
+ Interface_Static::SetCVal("xstep.cascade.unit", "MM");
+ else if (aLenUnits == "centimetre")
+ Interface_Static::SetCVal("xstep.cascade.unit", "CM");
+ else if (aLenUnits == "metre" || aLenUnits.IsEmpty())
+ Interface_Static::SetCVal("xstep.cascade.unit", "M");
+ else if (aLenUnits == "INCH")
+ Interface_Static::SetCVal("xstep.cascade.unit", "INCH");
+ else {
+ theError = "The file contains not supported units.";
+ return false;
+ }
+ // TODO (for other units than mm, cm, m or inch)
+ //else if (aLenUnits == "")
+ // Interface_Static::SetCVal("xstep.cascade.unit", "???");
+ }
+ }
+ else {
+ //cout<<"need re-scale a model"<<endl;
+ // set UnitFlag to 'meter'
+ Interface_Static::SetCVal("xstep.cascade.unit","M");
+ }
+ return true;
+}