下一步是通过这些线来创建几何体，因此我只是挤压了Z轴上的线，并将基础的网格布尔体系化。
Next step is to create geometry from these lines so I just extruded the lines in Z axis and booleaned the basic mesh.
森林火灾模型中森林用一个布尔型的网格来表示，其中的每一点可以取两个值：0—代表空地，或者1—代表树木。
In the model, the forest is denoted by a Boolean lattice, each site of which is either a tree (represented by a value 1) or is empty (represented by a value 0).
本文主要研究了两方面内容：基于点模型的布尔运算及其融合方法；基于网格模型的离散曲面融合方法。
This thesis studies two aspects: the Boolean operations on point models and the fusion; grid-based model of discrete surface fusion method.
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