//! \brief Determine which Revit visual style to use for convertion. The visual style determines which material color to apply on objects with material. See Autodesk documentation on Revit Visual Styles for detailed information.
//! \param The desired visual style to use for convertion.
//! \warning please call it after Dtk_API initialization and before the Dtk_API::OpenDocument call.
//! \remark VisualStyle::Realistic usage toggles the retrieving of texture information.
//! \remark Texture files are searched in current folder and default Autodesk installation folder.
//! \brief Use to retrieve only geometry corresponding to a specific level of detail. By default, level of detail retrieved is the one set in default view ({3D}) or "Detailed" if no default view exists.
//! \param The desired level of detail to be retrieved for geometry.
//! \warning If no geometry is assigned to the level of detail chosen, the Body/Mesh contained in the node converted will be empty.