Real-Scene 3D White Model Construction with Multi-Source Data Fusion

Apr 19, 2023

As the initial product of the 3D architectural model, the white model contains information such as the location, height, shape, area, and volume of the building, which provides key information for applications such as analysis and processing based on 3D data, and is also a tool for further development of 3D landscapes. The basic data of data modeling provides a more intuitive and scientific decision-making basis for the management of urban spatial forms.

Mainly use DLG plus point cloud to produce white film data to carry out a brief description:

Data collation: specifically including DLG, point cloud data, inclined Mesh, DSM, DEM and other data coordinate system consistency and regional integrity processing, and DLG data merging of building ancillary facilities.

Building information extraction: combine DLG data with point cloud data, use the coal aviation 3D modeling system ARSC-R3D to automatically perform point cloud segmentation, extract roof ridge lines, ridge lines and other structural information on the roof of the house, and generate refined images that conform to the real scene The roof of the house.

Use the fine texture map of the oblique image to generate a real-life single model. Do not paste the texture, directly apply the transparency of the white mold and the tilted Mesh.

Data editing and storage: check the 3D block model within the scope of data production, check and modify the abnormal model production caused by the error of the original data, enrich the building hierarchy, make detailed edits and adjustments to the key performance buildings, and edit the generated 3D The block model data is stored in slices, and the data format is stored in a 3DS MAX compatible format.