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射线追踪方法不但是研究地震波传播问题的有效手段之一，而且在地震层析成像和叠前深度偏移等方面都起着重要的作用，射线追踪的计算精度和速度将直接影响层析成像和叠前深度偏移的效果。本文改变了传统的层状地层的建模方式，提出了一种射线追踪中块状结构的建模方法。新的建模方式使射线追踪方法能应用于十分复杂的地质对象。在用块状结构建模方法的编程中，Ｃ＋＋语言起了重要的作用。文中给出了在十分复杂的地质结构中应用块状结构方法建模并用迭代追踪法进行射线追踪的计算实例。
Ray tracing method is not only one of the effective methods to study seismic wave propagation, but also plays an important role in seismic tomography and prestack depth migration. The accuracy and speed of ray tracing will directly affect tomography and Pre-stack depth offset effect. This paper changes the modeling method of the traditional stratigraphic stratigraphy and proposes a modeling method of the massive structure in ray tracing. The new modeling approach allows ray tracing methods to be applied to very complex geological objects. C ++ language plays an important role in the programming of block-structured modeling. In this paper, the calculation example of applying massive structure method to the complicated geological structure and using the iterative tracking method for ray tracing is given.