To show what is not yet such that future infrastructure, buildings, urban planning or interior, the use of computer graphics is essential. It shows in perspective what was presented previously as a model or plan.
The synthetic image is also heavily used commercially, it allows the realization of attractive sales brochures. It allows you to understand and seduce (architectural competition).
Work on the exterior architecture can naturally be complemented by work on architecture and interior design that lets you navigate through different parts of a building and find out, every time, a taste of what the being designed.