作者：吴向东

中国吉林?东北亚投资贸易博览会是经国务院批准，由商务部、国务院振兴东北地区等老工业基地领导小组办公室、吉林省人民政府共同主办的大型国际性区域综合博览会。以投资洽谈、货物贸易、经济合作、文化交流、高层论坛为主要内容，突出经贸特征、突出东北亚区域特色、突出东北产业特点，使参与者通过博览会寻得商机，获得发展，实现共同繁荣。东北亚区域包括中国东北、朝鲜、韩国、日本、蒙古和俄罗斯远东地区在内，幅员1700万平方公里，人口占全球的1/4，经济总量约占世界的1/5。

　　为了在东博会上展示地理信息产业的风貌，吉林省测绘局制作了吉林省遥感影像三维演示系统，以覆盖全省的TM影像、SPORT影像、高分辨率航空摄影影像以及1∶25万的DEM数据、矢量数据进行融合、叠加，制作的三维显示系统。通过操作杆，观众如同坐在飞机上从高空观看地面景色一样，即能够观看全省及较大范围的影像，还能放大观看长春市区的建筑，甚至清晰地看到马路上的斑马线、车辆和行人，长春的观众能够找到自己居住的小区和楼房。同往年一样，省测绘局为东博会制作了工作用图。详尽的标注博览会的地点和各展馆位置，提供了交通线路、列车时刻表等信息，大大地方便了来参展、参观工作。珲春市国遥博诚科技有限公司以遥感数据处理及应用、全数字摄影测量为核心的3S集成的软件产品，特别是配套研发的无人遥感飞机、电子白板在东博会亮相，珲春市委、市政府召开了专门推介会。

　　省测绘局张立民局长出席推介会并发表了热情洋溢的讲话。他说，发展地理信息产业是国家战略，省测绘局将在政策上给予支持、扶持，积极培育在省内有影响、有自主创新能力的地理信息骨干企业，支持地理信息资源的深加工，拓展应用领域，壮大产业规模，为珲春市发展、为图们江地区发展、为东北亚地区的共同繁荣做出应有的贡献。

China Jilin? Northeast Asia Investment and Trade Expo is the State Council, approved by the Ministry of Commerce, the State Council, the revitalization of old industrial bases in northeast China Leading Group Office of Jilin Province People's Government co-sponsored regional integrated large-scale international exhibition. For investment talks, commodity trade, economic cooperation, cultural exchanges, high-level forum as the main content, highlighting trade and economic characteristics, highlight the characteristics of Northeast Asia, highlighting the northeast industrial characteristics, so that the participants find a business opportunity through the exhibition, access to development, and achieving common prosperity. Northeast Asia, including Northeast China, North Korea, South Korea, Japan, Mongolia and the Russian Far East included, size 17 million square kilometers, the world's population accounts for 1 / 4, the world's economic aggregate accounting for 1 / 5.

In order to show at the East Bo geographic information industry, style, Jilin Province, Jilin Province, Surveying and Mapping Bureau of remote sensing images produced by three-dimensional demonstration system to cover the whole province of TM images, SPORT imaging, high-resolution aerial photographic image and 1:25 million DEM data, vector data fusion, superimposed to produce three-dimensional display system. Through the joystick, the audience sitting on the plane as the ground from a height and watch the same scene, that is able to watch the whole province, and a broader range of images, but also to enlarge view Changchun urban building, or even clearly see the road on a zebra crossing, the vehicle and pedestrians, Changchun audience can find their own living quarters and buildings. As in previous years, Expo East Provincial Bureau of Surveying and Mapping has produced a work with the diagram. A detailed exposition marked the location and venue locations, provided with transportation routes, train schedules and other information, making it easier for exhibitors, visited the work. Hunchun Country Bo Cheng Technology Co., Ltd. Remote data processing and application of remote sensing, digital photogrammetry as the core of the 3S integration software products, especially in supporting research and development of remote sensing unmanned aircraft, whiteboard in the East Expo debut Hunchun Committee, the municipal government held a special promotion will be.


Provincial Bureau of Surveying and Mapping Zhang Limin chief to attend Promotion and delivered a warm speech. He said that the development of geographic information industry is a national strategy, provincial mapping will support policy, support, and actively cultivate influence in the province, there is the ability of independent innovation backbone enterprise geographic information in support of deep processing of geographic information resources to expand applications , strengthen industrial scale, in order to Hunchun development, and for the Tumen River Area Development, for the common prosperity in Northeast Asia to make their due contribution.