Note: This topic is for Roombook users only. 
 The room quantity calculation allows you to specify which furniture styles to calculate. 
- Click  
  
 .  
- Under Calculation Range, select Furniture Objects. 
 
- Click Furniture Selection Filter to specify in detail which furniture objects to calculate. 
 
    
 
- Styles and Definitions
 
- Contains the categories where furniture objects can be selected: 
- Block Reference 
 
- MInsert Block 
 
- Multi-View Block Reference 
 
 Only styles and definitions which are listed are referenced in the drawing. 
  
- Select
 
- All objects for each category are listed. By default, all objects included in the calculation are selected.
 
- Autocheck New Styles and Definitions
 
- If new styles and definitions are added to a drawing after a room quantity calculation has already been performed, this option specifies that new styles and definitions are automatically to be included in the next calculation. By default, the option is activated.
 
- Select All
 
- Selects with one click all styles and definitions.
 
- Clear All
 
- Deselects with one click all styles and definitions.
 
- Invert
 
- Inverts the current selection state.