【摘要】 基于高分辨率民用遥感影像及相应地区的数字地形图,利用ENVI软件和ARCGIS软件中的各个模块和有效的分类方法,通过对建筑物阴影的计算从而得到城市建筑物高度。实践证明此方法工作量小、流程简单,并且基本能满足城市制定相关防灾减灾规划的参考需求,具有实际应用价值。更多还原

【Abstract】 this article Based on the high resolution civil remote sensing image and the corresponding areas of the digital topographic map,using the ENVI and ARCGIS in of each module and effective classification method,by the calculation of the building shadow to get city building height.Practice proves this method takes simple process,and it can meet the basic urban disaster prevention and mitigation planning and make the relevant reference demand,it also has practical application value.更多还原