The development of real-world 3D technology is changing with each passing day, but in the application, it has been deeply troubled by problems such as memory usage, slow rendering, loading freeze and model collapse. In this regard, Dashi Smart took the lead in launching massive data lightweight technology, and realized the direct browsing of real-scene 3D models in the vehicle-machine system for the first time in the industry , demonstrating the great potential of lightweight technology to empower real-scene 3D applications.
01 Portable interaction, instant display of multi-terminal applications
Based on massive data lightweight technology, Dashizhi successfully integrated the high-precision modeling real-world 3D map model into the BYD-Hanche machine system . The model can follow the driving route of the car and be loaded and displayed on the car machine in real time . This technological innovation realizes the application of real-scene 3D models in vehicle-machine systems for the first time, and opens up infinite possibilities for the exploration and application of vehicle-mounted real-scene 3D navigation and other fields.
Car real scene 3D navigation display
For multi-terminal display in 3D model application, lightweight technology can be adapted to PC, tablet, mobile phone and other multi-terminal platforms to realize real-time browsing and interaction of real-scene 3D models , and provide a feasible technology for real-scene 3D to become universal terminal equipment route.
Lightweight model PC terminal touch screen display
With simple gestures such as opening, pinching and sliding two fingers on the touch screen, you can easily zoom, rotate and translate the real-life 3D model, allowing users to enjoy the high-quality real-life 3D model that is "at your fingertips " Interactive experience.
02 Large-area models can be loaded in seconds and browsed quickly
Traditional real-life 3D models require a large amount of storage space and computing resources. After lightweight processing by Dashizhi, the model is lighter. In the process of browsing large-scale 3D model data, it can be loaded in seconds and displayed at a high speed, which greatly improves model storage . Display and manage application efficiency on the screen .
Under a specific computer configuration (such as Intel i7CPU, GTX1060 graphics card, 16G memory), taking the Kowloon Peninsula of Hong Kong with a resolution of 6.7cm and 52 square kilometers as an example, the first loading speed of the lightweight data is 80% faster than the original data and above .
Hong Kong Kowloon Peninsula data browsing second-level loading
Click here to experience the "flying" real-scene 3D speed browsing
03 The model reduces "quantity" but not "quality"
Under the premise of not changing the texture effect and Mesh structure, the volume of OBJ and OSGB models can be simplified by about 80%.
After lightweight processing, the volume of the model can be reduced, while its geometry and texture still maintain a high degree of consistency , and the presented effect has no visual difference from the original model.
04 The bottom layer of the LOD model preserves the characteristics, and the top layer maintains the shape without collapsing
In the construction of large-scale multi-detail level models, through "AI intelligent recognition" of geographical scenes, Dashizhi's lightweight technology can carry out lightweight processing on the model while retaining the structural information of the original buildings and other objects, and realize the bottom layer The ground features are clear, and the shape of the top-floor buildings does not "collapse".
Lightweight is the key link to solve the application limitations of real-scene 3D models . Thanks to the leading advantage of Dashizhi's massive data lightweight technology, the storage, transmission and application efficiency of real-scene 3D models have become more convenient. At present, Dashi Wisdom has provided user units in various fields such as smart cities, rural revitalization, and cultural relics protection with lightweight services that exceed expectations.
In order to better meet the needs of users, Dashizhizhi has launched two lightweight service models :
1. The user copies the data to Dashizhizhi for lightweight data processing;
2. Dashizhizhi brings computing power to the door in a point-to-point form to carry out lightweight data processing.
We sincerely invite the majority of users to cooperate with Dashi, and work together to promote the comprehensive application of lightweight technology.
For more details, please pay attention to the public account of Dashi Wisdom