On the Application of Virtual Reality Technology
Virtual reality, referred to as VR branch technique. At present, in addition to being used in the fields of urban planning, large-scale project roaming, digital hotels, exhibitions, museum display systems, etc., it is also showing extraordinary extraordinary charm in the fields of e-commerce, education, entertainment and so on.
Virtual Reality. English name Virtual ReaIity, referred to as VR technology. This term was proposed by Lanier, the founder of the American VPL company, in the early 1980s. Qian Xuesen, a well-known scientist in China, translated it into spirit technology. It is completely different from the traditional simulation technology. It combines the simulation environment, visual system and simulation system into one, and uses sensing devices such as helmet display, graphic glasses, data suit, stereo headphones, data gloves and foot pedals. The characteristic of this technology is that the computer generates an artificial virtual environment, which is a three-dimensional digital model composed of computer graphics. It is compiled into a computer to generate a comprehensive and perceptible artificial environment that is mainly based on visual experience, including hearing and touch, thus visually creating a feeling of immersion in this environment, which can be directly observed, operated, touched, and detected around The internal changes of the environment and things. And can interact with it, so that people and computers "melt together" well, giving people the feeling of being "immersive."
Virtual reality has three most prominent features. That ’s what people call the “31 features: interactivity, immersion, and imagination. Virtual reality systems are designed to break the boundaries between the system and the user ’s environment, break through the traditional methods of expressing the limitations of things, so that people can not only: virtual realization of any imagined environment … And can communicate with this virtual reality in a natural way.
As a cutting-edge technology, the latest development of virtual reality integrated computer graphics technology, computer simulation technology, artificial intelligence, sensing technology, display technology, network parallel processing and other technologies is a computer-generated high-tech simulation system. Because of the characteristics of virtual reality technology, it can penetrate into every corner of our work and life, so virtual reality technology is of great significance to human society. Because of this, it is like many other information technologies. When experts haven't discussed its theory and technology very clearly, it has penetrated into various fields of science, technology, engineering, medical culture, and entertainment, and received great attention.
At present, the virtual reality technology in China is mostly used in urban planning, large-scale project roaming, digital hotels, exhibitions, museum display systems and other fields. In these areas, the effects of pseudo-realistic technology are much better than other technologies.
1. Compared with traditional sand table
The biggest disadvantage of the traditional sand table is that the space is too restrictive, which is not enough to reflect the design details of the entire project. At the same time; there are many difficulties in joining other media information. As a result, the amount of information is seriously lacking, and virtual reality provides us with an infinite virtual space that solves this problem almost perfectly. At the same time, he can also seamlessly integrate with other media means, supplemented by a powerful database function, the amount of information transmitted is even greater.
2 Comparison with traditional effect pictures
Static renderings can only show one or several aspects of the project to the viewer. Other questions and requirements raised by the viewer must be explained with similar images or text. The operation is not intuitive, comprehensive, and has considerable limitations. Sex. The multimedia introduction program with virtual reality technology as the core. There is no need for the viewer to use any imagination to present the project to the audience in an unprecedented and intuitive way. In the virtual world, we can watch the content we are interested in at any angle and in any proportion. [
3 Comparison with traditional 3D animation
The animation demonstration makes up for the lack of still pictures to a certain extent. Sound and animation play simultaneously. Vivid and detailed. But strictly speaking. This browsing demonstration method is used for real estate demonstration projects. Or other similar projects just to show video effects lack the rigor, flexibility and objectivity that typical engineering projects should have. During the animation, the viewer is only passively watching to receive some information about the project, and cannot view, consult, and retrieve the information according to his own wishes. Virtual reality products completely solve the existence of the above two forms The problem. We can observe at any place and time in the virtual space.
At present, in addition to being used in the above-mentioned fields in the field of e-commerce, education, entertainment, etc., virtual reality technology is also showing a different general charm. Let's take a look at the current and future applications and characteristics of virtual reality technology in different fields.
1. E-commerce
Virtual reality technology provides enterprises and consumers with the opportunity to get rid of dealers and stores at all levels. At present, online sales and shopping are becoming a mainstream way of buying and selling, but in general online shopping, buyers can only see the thumbnails of the products and cannot fully understand the products. Currently, some merchants have introduced virtual reality technology. Mainly through 360-degree panoramic photos or three-dimensional technology. Comes more intuitive and more comprehensive display of goods. Through virtual reality technology, consumers can understand and contact commodities from multiple angles. With the continuous development of virtual reality technology, it is believed that in the near future, online consumers will be able to visualize. Hear, touch and even smell to experience goods.
2. education
In the field of education, virtual reality technology has a wide range of effects and influences. There is a qualitative difference between being an educated person to actively interact and passively watch. Therefore, a brand-new education model based on virtual reality technology will bring us a brand-new educational thinking, solve problems that we could not solve before, and bring us a series of major changes. Let's imagine. We sit in the virtual classroom, listening to the virtual teacher's teaching rhythm is completely controlled by the learner, and can interact with the virtual teacher anytime. The virtual plot appears, and entertaining becomes the main method of teaching.
3Entertainment
Entertainment is a field where virtual reality technology is widely used. Especially in the gaming industry. At present, many games can be said to be a certain degree of virtual reality, players complete tasks in a virtual environment. Benefit. Experience happiness. In the near future, with the help of sensing devices such as helmet displays, data suits, stereo headsets, and data gloves, players will have a completely real experience in virtual games. With the help of virtual reality technology, the online virtual community will also get rid of the current state of pure text and become another experience in life. Perhaps in the future, humans will really live in a virtual environment, as shown in the movie "The Matrix". It's just that the creator of this illusion is human beings, not machines.
To sum up, no matter now or in the future, virtual technology has been developed to various degrees in all walks of life, and it has increasingly shown broad application prospects. Virtual cities and even “digital earth†will continue to appear. Virtual reality technology will revolutionize many traditional industries and industries.
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