| 163 | } |
| 164 | |
| 165 | std::string ShadingSurfaceGroup_Impl::shadingSurfaceType() const { |
| 166 | boost::optional<std::string> value = getString(OS_ShadingSurfaceGroupFields::ShadingSurfaceType, true); |
| 167 | OS_ASSERT(value); |
| 168 | return value.get(); |
| 169 | } |
| 170 | |
| 171 | double ShadingSurfaceGroup_Impl::directionofRelativeNorth() const { |
| 172 | boost::optional<double> value = getDouble(OS_ShadingSurfaceGroupFields::DirectionofRelativeNorth, true); |