The model setting window allows you to change the adjacency separation distance, vertical-horizontal element transition angle and perform model checks.
Vertical-Horizontal Element Transition angle define at what angle a wall becomes a ceiling or a floor. By default, if a surface is at an angle less than 60° it is recognized by the software as a ceiling or floor.
For Green Mark, it is recommended to set this to a value of 70° to comply with ETTV calculation tables.
The model check option allows you to perform a check on the quality/integrity of the geometry in your model. Check the boxes for intersections and surfaces and click the check button. A text file will be created which will flag up any error in your model geometry. It is recommended to perform model check regularly throughout the model building process. It is usually far easier to fix a geometry problem soon after it occurs rather than at the end.
Clicking the rebuild button refreshes all the adjacencies in the model.