When doing internal renderings, try to remember that sunlight travels in through windows and reflects off surfaces. To emulate this effect simply place in some window lamps. These objects can be found in the Lightworks folder in the Lamp default settings dialog box: Simply place the object to the inside face of the window with
ArchiCAD has the ability to create some very good looking Shadow diagrams very simply. First Go to your 3D window Settings ( View > 3D View Options > 3D Window Setttings… ) and turn on Sun Shadows Next go to your Parallel Projection Settings ( View > 3D View Options > 3D Projection Setttings… ) Set your view
If you are wanting to create accurate shadow diagrams for your sun studies or to evaluate your design, ArchiCAD can help by allowing to set both the date and time of your rendering. To do this, go to your 3D projection settings dialogue box ( View > 3D View Options > 3D Projection Settings )
You can quickly and easily move the Sun in your project by dragging it to where you want it in the 3D Projection Settings (View > 3D View Mode > 3D Projection Settings). The same goes for the Camera in this dialog.