bool computeSize(double& theXmin, double& theYmin, double& theZmin,
double& theXmax, double& theYmax, double& theZmax) const;
/// Returns the shape as BRep stream
bool computeSize(double& theXmin, double& theYmin, double& theZmin,
double& theXmax, double& theYmax, double& theZmax) const;
/// Returns the shape as BRep stream