With the Emission feature, you can make the material a light source. The object where you use the light material can be a wall or box object.
Location of the Emission Feature
You can access the emission feature from the effects tab of the material editor dialog.
Exclude from lighting calculations
It excludes material in light calculation.
Controls whether the object with this material can cast a shadow.
Controls whether the object with this material cast a shadow or not.
By giving the material the luminous intensity, the object itself is made to be a light source.
The amount of illumination is entered.
It specifies how many points the light will be calculated. It affects the quality of the edges of soft shadows.
Usage Steps of Creating Light Material
Create a wall in front of the window that will cover the view.
Open the material list by clicking the Materials command and click the create button.
Enter the material name and choose a color for the light.
Check the emission feature in the effects tab.
Enter the self illumination and the sample count.
Uncheck the receive and cast shadow properties.
Click the OK button to close the dialogs.
Define your material on the wall you are creating.
Change the self illumination according to the indoor lighting conditions.
Defining a wall object behind the landscape
When the emission is inactive
When the self illumination value is 500, when cast and receive shadows are inactive
When the self ilumination value is 500, the sample count is 150
When the self ilumination value is 1000
When the self ilumination value is 2000