Let's first take a look at the projection sand table. The projection sand table is based on the traditional sand table model and integrates the projection technology into it, and the projected picture is also colorful. The projection sand table can be holographic projection (three-dimensional) or two-dimensional projection (plane), which can fully reflect the location characteristics, so that visitors can vividly obtain concise, beautiful and realistic dynamic information. It enables visitors to have a comprehensive, three-dimensional and intuitive understanding of the displayed content, which is more shocking and appealing than the traditional sand table model, and is generally used in corporate digital exhibition halls, urban planning museums, museums, and real estate industries.
In addition to projection technology, it also combines multimedia technology (sound, light, electricity, images), three-dimensional animation, multimedia system, computer intelligent touch control system, multimedia demonstration system and computer program control technology. But unlike the projected sand table, the distinction is not very clear. Generally used in tourist attractions, green ecology, rail transit and so on.
Digital sand table, also known as pure three-dimensional digital sand table, is a comprehensive technological innovation compared with the display mode of traditional physical sand table, which not only breaks through the display limitations of traditional physical sand table, And the use of "space screen" and "information screen" and "touch screen" three-screen linkage, synchronous display and remote sensing, geographic information system, 3D animation simulation and other high-tech established an interactive real-time virtual reality environment, easy to display the best effect.
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