First of all,the necessity of the authentic,unique and universal digital city geospatial framework construction was summarized in this paper.And then,the general idea,construction progress,effect and impact were introduced in detail.After that,according to the times development,technology progress and demand change,the new development opportunities,challenges and problems that the geospatial framework facing now were discussed.Finally,the construction goal and contents of spatiotemporal framework in the smart city stage were clearly stated in this paper,as well as the direction of technical breakthrough in the next step.%首先综述了构建权威、唯一、通用的数字城市地理空间框架的必要性,然后详细介绍了我国数字城市建设的总体思路、进展情况、发挥的作用及产生的影响.接下来,针对时代发展、技术进步和需求变化,论述了当前地理空间框架面临的全新发展机遇和挑战,以及存在的问题,明确指出了智慧城市阶段时空信息框架的建设目标与内容,展望了下一步技术突破的方向.
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