试射法——射线追踪程序。 可分别做直达波，折射波，反射波。 射线正演模拟入门程序之一！！,Test method- ray-tracing procedures. Can be done direct wave, refracted wave, reflected wave. Ray is one of forward modeling procedure entry! !

线性插值射线追踪法，设置模型为一三层模型，范围100m×100m-Linear interpolation ray tracing method, set the model for a three-tier model, the range 100m100m

langan法射线追踪，可用于层析成像，f编的-Langan Raytracing 2D