Abstract
A fast human–computer interaction dynamic modeling method for transmission towers based on space colonization algorithm is proposed in this paper. The 3D model of transmission towers can be generated only through the 3D coordinates of key points in CAD drawings. First, according to the coordinates of point calculate out the growth direction of the tower rod, and points are sampled along this direction, which are used as attraction points in the space colonization algorithm. The space colonization algorithm generates branches in the process of constructing the 3D skeleton of transmission towers. We give the convention relation between the attraction points and the branch nodes, forming a visual dynamic growth model of transmission towers by introducing interpolation time factor. The effectiveness of this method in the generation of transmission tower model is verified in the unity engine, and the model of a transmission tower which is higher than hundreds of meters is generated in seconds only by inputting the key coordinates in the human–computer interaction system of smart grid.