GTP模型在地质体三维模型的工程中得到广泛应用，然而GTP复杂的模型结构加大了模型操控及可视化分析的难度，使得基于模型的统一建模、空间剖切分析等存在困难。为了达到简化模型的目的，本文考虑从数据源出发，研究一种准确、可靠的纠正偏斜钻孔为垂直钻孔的方法：将钻孔岩芯编录数据通过数学模型进行预处理，纠正为垂直虚拟钻孔数据，采用数据迎合模型的方法，形成基于TP的地质体。%GTP model is widely used in 3D geological model in engineering application. However, its complex model structure reduces efficiency of model manipulation and visualization analysis, and obviously increases the difficulty in model unifying and spatial cutting analysis. Therefore, in order to simplifying model, this paper re-searches a kind of accurate, reliable method of correcting original deviation drilling to vertical drilling. It prepro-cesses the drilling core logging data to make them vertical, and let the data suitable for the TP model.
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