5. Conclusion

The general conclusion is that these graphical tools not only allow us to represent the interaction between architectural forms and sunlight for an entire facade or a fraction of a facade, but also to select, in the design phase, the appropriate forms or devices to meet a program of solar protection or collection requirements. By introducing the energy dimension, these requirements can be precisely defined using these tools.

In this article, a number of parameters have been ignored in the interests of simplicity. These include radiation reflected by the environment:

• sunny facades for the ground or shaded facades facing them;

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