If you are using the ArchiCAD roof accessories (not sure if the Cadimage ones are based on the same technology), you do NOT create the roof with the accessory.
Rather you select the roofs that you want enhanced, and THEN select the roof accessory which is applied as a skin onto the geometry of the selected roof planes.
So, create your hip with the Roof Tool first (very easy with hip geometry and magic wand - then fine tune as necessary).
Cheers,
Karl
One of the forum moderators
AC 28 USA and earlier • macOS Sonoma 14.7.1, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB