A simplification method of 3D architectural model keeping structure and texture features
An architectural model and texture feature technology, applied in image data processing, instruments, etc., can solve problems such as difficulty in multi-level of detail models, inability to maintain models with multi-level of detail and texture features, etc., to achieve the effect of meeting application requirements.
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[0052] In the embodiment of the present invention, such as figure 1 As shown in , a simplification method of 3D architectural model that maintains boundary and texture features mainly includes the following steps:
[0053] Step 1: Model Preprocessing
[0054] Parsing 3D architectural model data in different source formats, constructing surface model index and model triangulation list according to the index and vertex information of the original model, requiring the spatial coordinates of each vertex to be unique.
[0055] The surface model index mainly records the adjacent information of the triangulation on the surface of the model. The adjacent edge of each vertex, the adjacent triangulation of each edge and the vertex position of each triangulation can be obtained through the adjacent information.
[0056] The surface model triangulation list mainly records the space coordinates, texture coordinates and texture information of the vertices corresponding to each triangulatio...
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