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An Improvement of 3D OO-Solid Model
3D GIS Data Model Data Structure Spatial Modeling Geology
2015/12/16
The key issue of 3D geology modeling is the 3D data model. Because of discontinuity, complexity and uncertainty of distribution of 3D geo-objects, some models only are suitable for regular, continuous...
基于瞬时切削力和实体模型的三轴铣削仿真与试验（Simulation of 3-Axis Milling Based on Solid Model and Instantaneous Force）
实体模型 瞬时切削力 数控加工仿真
2009/9/2
引入加工面生成点概念，提出基于瞬时切削力的刀具变形计算和变形刀具移动扫描体的实体建模方法，通过布尔运算生成包含有几何与物理误差的仿真加工模型, 以图形动态显示仿真加工模型的生成过程，并给出精确测量仿真加工模型的方法; 采用PARASOLID建模核心和OpenGL对上述算法完成系统实现。仿真和实际加工试验结果表明，最大仿真误差为0.012mm、最小仿真误差为0.004mm，平均仿真误差为0.008m...
Development of Geo-simulator using 3D Solid Model and Computer Projector
Development of Geo-simulator 3D Solid Model
2015/3/9
A real solid 3D model is much better
than 3D bird’s eye view on a computer
monitor
• But, color painting of 3D solid model
was expensive and time consuming
• A LCD projector will s...