The Insert Photometric Solid: Rectangle command is used to insert light-obstructing objects that are rectangular. If the Starting Elevation is 0, any illuminance levels inside the rectangle will not be printed.
To define a photometric solid rectangle, go to
Ribbon: DM Electrical->Point-by-Point Photometrics-> 
Insert Photometric Solid: Rectangle
Pulldown Menu: DM Electrical->Point-by-Point Photometrics->Insert Photometric Solid: Rectangle
Insert Photometric Solid: Rectangle Dialog Box
See the Common Photometric Solid Information section for more information about the values in this dialog box.
Enter the relevant information into the dialog box and press the OK button. You will be prompted to specify the first corner of the solid rectangle on the drawing.
Specify first corner of solid rectangle:
You will then be prompted to specify the second corner of the solid rectangle.
Specify second corner of solid rectangle:
The solid rectangle will be displayed on the drawing and included in the photometric calculations.