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Outdoor lighting design six steps
Perhaps we have seen a variety of excellent works cases, or literary fan, or technology control, or classical rhyme, but this is all about performance. In the end, you will always find that almost all the design mysteries can not run the theoretical basics. s frame.
Outdoor lighting research six steps
When it comes to the steps of outdoor lighting, some owners come up and ask if they use LEDs? What about the manufacturer? Come up and say how many kinds of products we have for outdoor lighting. This is actually a very strange phenomenon. I borrowed a sentence from Shi Hengzhao's teacher course: LED is just a technology of light source, and the foundation of lighting design has never changed. .
How to determine the judgment steps of outdoor lighting, the first thing to do is to clarify the purpose of outdoor lighting: the relationship between "seeing" and "being seen".
Obviously, outdoor lighting design is mostly in the category of “being seenâ€, so the direction of observation is the primary consideration, for a simple example:
Photo: The outdoor lighting of the Potala Palace is gradually lighting up. We can see that the front is the main performance of the night view of the Potala Palace. The most important viewing vision is to look up from the square.
Therefore, the entire façade uses a large number of high-power spotlights for night scene performance.
However, you can also make up your mind, assuming that you are walking on the stairs of the Potala Palace or pushing the window out inside the Potala Palace. What kind of feeling would it be? Presumably it was bright and blinking, and it was black.
As a starting point, we have concluded that there are six steps in the design of outdoor lighting design:
1. The main direction of observation;
2. The creation of effects;
3, color;
4, shaping;
5, the shadow;
6, regional brightness;
Below we simply expand:
1, the main direction of observation
Before designing an outdoor lighting, we must know the location we are observing or the direction of contact for the building or illuminated surface.
What we need to know is that it is not practical and uneconomical for the entire scene to be seen from any angle after the installation of the lighting equipment. We only need to follow the observer's opinion on the angle of observation being designed to see where they want to see the direction.
In terms of technique, if a front of a building is illuminated at a certain distance, the entire building will appear to be unlayered from the direction of the main light; and the use of lamps to "grab" the building can create a strong shadow. With a prominent highlight, a sense of depth arises.
Figure: The way of “grazing†from the side of the object to be illuminated is more likely to depict the three-dimensionality of the object due to the contrast between light and dark.
2, the effect of the creation
Outdoor lighting does not need to create a scene that is exactly the same as the daytime, because in general, day and night, the direction of the main light is opposite. The most ideal lighting design is to make the difference between the two bigger rather than the same.
A typical example of how the illumination of the columnar body is made. We can illuminate a row of columns from the front, sides, and back to outline their outlines; a small tower with columns can be illuminated from the inside, flattening the two-dimensional objects, and sketching them more stereoscopically It will look better.
Figure: A façade with a row of pillars on the front, side and back to outline their outlines.
What effect the surface of the building will appear at night depends on the reflective properties of the surface material, which determines how bright the illuminated object is for the observer.
When we only consider the illuminance that falls on a surface, it can easily lead to misunderstanding. Because when we consider the nature of reflective surfaces, such as glass, gold leaf, aluminum, stainless steel, mosaic surfaces, glazed tiles or tiles, the situation becomes complicated.
When the surface of a building or object cannot be cleaned, one of the easiest ways is to increase the amount of lighting.
3, color
Since light sources of different colors are used for illumination, a shadow caused by the light source can be illuminated by other light sources or even colored.
Photo: The Guangzhou Tower, designed by Philips for the night scene, is actually an excellent example. Colors and shadows are a good example of the three-dimensional and texture characteristics of the building. I just heard that it was a bit ridiculous to start selling tower advertisements for revenue problems.
4, shaping
The principle of establishing an observation position is especially important. Like a sculpture, if the viewing position is determined, the typical lighting method is to arrange a main spotlight at a position of about 45 degrees and a softer fill light on the other side.
5, the shadow
The shadows left by an illuminated object can sometimes be part of the overall environmental effect. Shadows can be an aid in visualizing the three-dimensional features of an object and can create contrasts between highlights in the field of view.
Figure: The contrast between light and dark outlines the three-dimensionality of the building.
If the light illuminates a three-dimensional object from a small angle of incidence (and the offset is small), it can show a strong shadow. The light at this angle is about one-tenth to one-third of the illumination of the main spotlight. When the angle of incidence of light striking the surface of the object is small, the shadows appearing on the building material are small, and this feature can be used to visualize the properties of the material.
6, area brightness
In order to create a better three-dimensional effect, we can also set the light source behind the back. Of course, we want to make sure that we don't glare the observers at normal viewing angles.
If you only use one main spotlight, it will look awkward and rigid. When we are dealing with an object that an observer will walk around, it should be illuminate in one direction, while the other three directions should have a slightly weaker proper illumination.
This kind of counting is a comparative theory discussion, but basically, if a project is done, it can be used together with these six items to supplement the amendments. Then, no matter how beautiful the project is, at least it will not make mistakes. .