【摘 要】
：
In allusion to the difficulty of integrating data with different models in integrating spatial information,the characteristics of raster structure, vector struc
【机 构】
：
School of Geoscience and Environmental Engineering,School of Info-physics and Geomatics Engineering
【基金项目】
：
国家自然科学基金;湖南省自然科学基金
论文部分内容阅读
In allusion to the difficulty of integrating data with different models in integrating spatial information,the characteristics of raster structure, vector structure and mixed model were analyzed, and a hierarchical vectorraster integrative full feature model was put forward by integrating the advantage of vector and raster model and using the object-oriented method. The data structures of the four basic features, i.e. point, line, surface and solid,were described. An application was analyzed and described, and the characteristics of this model were described. In this model, all objects in the real world are divided into and described as features with hierarchy, and all the data are organized in vector. This model can describe data based on feature, field, network and other models, and avoid the disadvantage of inability to integrate data based on different models and perform spatial analysis on them in spatial information integration.
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