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Dot Line Combined Light Source, Can be regarded as a collection of countless point light sources, these point light sources are connected into a line.

A fluorescent lamp can almost be regarded as a light source.

Light passing through a single slit is almost like light emitted from a line, so it is a line light source.

As long as the same frequency light in any propagation direction meets, it can interfere (of course, there is also a polarization problem-the polarization direction of two beams of light cannot be perpendicular, and the perpendicular cannot interfere). Incident light and reflected light can interfere, and the resonant cavity of the laser is light in the opposite direction.

The point light source is an infinitely small point, the lighting range is a ball, and the brightness of the light becomes smaller as the distance of the light source increases. When the brightness exceeds the lighting range, the brightness is 0, and the brightness of the light source is inversely proportional to the square of the distance.

Add data for other light source types. Defines the larger value that supports non-directional light sources. Other light sources also require number, position, and color data and are detected in the script. If there are other light sources, this data will be sent to the GPU.

According to the steps of directional light, traverse the light, save the data of non-directional light, send it to GPU, obtain it in GPU, and add the coloring effect of non-directional light in the coloring process.

So sunrise in PoyangDot Line Combined Light SourceAfter the design, the large dot line combined with light source landscape sculpture in the center of Shangrao Entrepreneurship Cultural Park in Jiangxi Province, 22 meters high, 51 meters wide and 550 tons, vividly interprets the charming, magnificent and changeable moving scene of Poyang sunrise with lights, music, fountains and main sculpture. The designer of dot-line combined light source considers to realize the artistic effect of dot-line combined light source through the self-luminous of the sculpture sphere, and realize the self-luminous of the sun sphere by densely installing small luminous light sources on the whole sphere. Secondly, since the whole sculpture is installed in the pool of Poyang Lake topographic figure, and there is a water system device on the sculpture to form a stack of fountain water, all point-line combined light source lamps must be strictly waterproof. In addition, the sun shape of the main body of the sculpture needs to display video effects, so it is necessary to install point light source lighting facilities on the sphere. Since the entire spherical sculpture is rolled with a steel plate hammer, the dot line combined with the light source design considers punching and installation. After punching, select the appearance of the point light source according to the size of the aperture. The appearance of the point light source cannot see the point light source.

For the cloud point line setting off the sphere combined with the light source, a circle is installed on the top of each cloud layer and the groove of the fountain outletDot Line Combined Light SourceWall lights. It illuminates not only the upper clouds, but also the surrounding water curtain. At the root of the whole sculpture, a circle of dot-line combined with light source wall lights is also installed, which can clean the clouds and water curtains in the lower layer, so that the whole landscape building presents colorful dot-line combined with light source lighting artistic effect. At night, under the action of the point line combined with the light source, the landscape image has changed. The colorful surface light floats the sculpture on the clouds, and the floating water and the floating cloud ground are created into an ever-changing artistic space of light and shadow. The design uses the light and color changes of water to effectively emphasize the volume of the sculpture, show the flow of water, and add rich artistic conception and interest to the quiet sculpture. In addition to vividly interpreting the charming and colorful sunrise and sunset scenes of Poyang Lake, the sculptural sun ball also plays video art images through the design and processing of computer lights.