The function of light and shadow in architecture


The function of light and shadow in architecture

Natural or artificial light and creating light shadow in the architectural space are some of the ways to target the building’s design.
It determines the position of the light source and intensity (in terms of Lux unit) and picking and proper distribution of light according to the function of space. Therefore, using light in the room is the work of an electrical engineer in lighting design, mostly related to artificial lighting.
But there are other essential tasks related to lighting that the architect will be responsible for in a building.

These tasks mainly include architectural targeting of light, among which the following can be mentioned:
1- Differentiation of spaces from each other according to their identity with the help of lighting

2- Mental and psychological guidance of those present in the place based on the sequence of diversity in lighting
These two tasks are based on the principle that human beings naturally tend to pay attention and move towards the light.
The most used spaces in a building are the places where light is effectively present. And areas are defined by the light that is in them.
On the other hand, the existence of light only means darkness. Therefore, adjusting the light and shadow in architecture can have a meaning and, finally, a special effect. It is the architecture that uses this influence in terms of the goals it has formed in its mental creativity.
As a result, a significant amount of darkness and light (arranging light in the building) will serve as a design tool for the architect to ensure that the building space is purposeful, attractive and harmonious.
This light-shadow game makes sense with the flow of space, and the two are necessary to each other.

light 1

An essential practical result that can be taken from the design of buildings is that because humans are naturally inclined towards the light, the critical points of the building, including its entrance (in both natural and artificial light), should be brighter and brighter.
The emission of light from a source in an architectural space creates another problem: the movement from light to darkness and vice versa in a uniform and unobtrusive way.
Because the difference in light intensity between bright and dark spots is enormous, the eye’s aperture in the environment’s circular movements is frequently under pressure to react to this difference in power, and the observer’s eye gets tired.

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