Below is the same model with 2 options for solar protections. On the left, no protection is designed, Glazings are just a little inside. On the right an overhang of 1 meter has been designed. On these facades the direct sun for summer is calculated and the results are displayed as the number of hours the sun rays hit the facades.

The graphical display directly shows that the overhang is efficient to protect from the sun rays. But beyond these visual qualitative result, more quantitative results are often needed.

The 2 simulations above have been entered in the comparison tool to produce the table below.

On the table, the top part displays a short summary of the 2 simulations. The main part of the table displays for each calculated surface, the impact of the overhang in terms of difference, ratio, etc.

As this may seem satisfactory in terms of direct sun, the inside can be studied in the same way through for example a Daylight Factor calculation.

and the results of the comparison are available either within SketchUp or in your spreadsheet