Full
Outline
In response to the problems of complex interaction, poor path planning, and untimely information display in traditional roaming methods in the three-dimensional scenarios of rail transit engineering, an adaptive roaming method is proposed to solve the pain points of three-dimensional scene visualization and engineering information display and communication. By integrating long-line, large-scale, and multi-source heterogeneous data generated during rail transit informatization, building information modeling (BIM) and geographic information system (GIS) data fusion technology is used to build high-precision three-dimensional scenarios. Automatically plan to generate the optimal roaming path based on line geometric features and interest point distribution; combined with key technologies such as camera attitude dynamic control, roaming interest point capture, and information synchronization display, smooth transition of perspective and real-time presentation of key information are achieved. The technology is applied to the information construction process of one national railway and five intercity railways in Shenzhen, forming a rail transit BIM+GIS roaming system, providing an efficient and interactive three-dimensional visualization solution for rail transit project management, application display and communication.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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