【摘要】 随着国家基础地理信息数据库的建设和数字地图的开发利用,广大公众对基础地图数据产品的需求日益增长。为了满足这一需求,规范基础地图数据产品的形式,确立对外发布基础地图数据产品的基础性、权威性、完整性、公开性和现势性,从国家层面对中比例尺基础地图数据产品进行了需求分析和社会调研,设计了《中比例尺公开基础地图数据规范》的图表式内容框架;通过指标调整,生产验证,参考相关技术标准和规范,确立了中比例尺公开基础地图数据的技术指标;经脱密处理、法规印证,编制了《中比例尺公开基础地图数据规范》,为中比例尺公开基础地图数据进一步开放提供了标准和依据。更多还原

【Abstract】 With the construction of national fundamental geographic information database and the development and utilization of digital maps,the public’s demands for fundamental map data products are increasing day by day.In order to meet this demand,the standardization of the form of fundamental map data products,and establishment of a series of fundamental,authoritative,integrative,open and up-to data external fundamental map data products has become urgent.This paper carries out the demand analysis and social investigation on medium-scale fundamental map data products at the national level,and designs the graphic content framework of specifications for medium scale public fundamental map data.Then through index adjustment and production validation,with reference to relevant technical standards and specifications,this paper establishes technical indicators of medium-scale public fundamental map data.After decrypting processing and verification of laws and regulations,we finally compile the specifications for medium scale public fundamental map data,which provides standards and basis for further opening of medium-scale public fundamental map data.更多还原