论文部分内容阅读
让信息飘遍全球——记Y2000 Autodesk GIS用户大会
【出 处】
：
电力勘测
【发表日期】
：
2000年02期
其他文献
A Review of Mineral Resources and GIS Applications in Mineral Resource Assessment in Northeast China
Northeast China is one of the regions in China that possesses a great abundance of mineral resources. Coal. petroleum, natural gas, gold, iron, magnesite, graphite, talc, molding sand, glass sand and
期刊
1998年 11月国家环保总局在浙江组织了全国环保系统环境γ辐射剂量率测量比对 ,参加本次比对的有 2 2个省、市、自治区的监测单位 ,共 38台仪表 ,比对在事先选定的 11个环境点中进行。比对结果表明 :参加比对的仪表多数能较好地满足目前环境辐射监测任务的需要。高气压电离室的测量结果的一致性较好 ,绝大多数数据在 10 %以内相一致 ;闪烁型仪表与高气压电离室相比其测量结果分散性较大 ,大多数
期刊
DEVELOPMENT OF A GIS DATA MODEL WITH SPATIAL,TEMPORAL AND ATTRIBUTE COMPONENTS BASED ON OBJECT-ORIEN
This paper presents a conceptual data model, the STA-model, for handling spatial, temporal and attribute aspects of objects in GIS. The model is developed on the basis of object-oriented modeling appr
期刊
The process of urban building reviewing is a collaborative work by a group of urban planning staffs and land managers who are working with different departments of a or- ganization. There are three in
期刊
This paper presents a hybrid model for three_dimensional Geographical Information Systems which is an integration of surface_ and volume_based models.The Triangulated Irregular Network (TIN) and octre
期刊
Temporal geographic information system(t_GIS) is a kind of computer information system that can display,process and analyze the micro_format distribution of temporal_spatial information of real world.
期刊
The rapid development of Internet technology makes it possible to integrate GIS with the Internet,forming Internet GIS.Internet GIS is based on a distributed client/server architecture and TCP/IP & II
期刊
The basic properties to be dealt with ,when considering initially the research needs related to the integration of remote sensing (RS) information into a geographic information system (GIS),are many_
期刊
Data mining techniques are used to discover knowledge from GIS database in order to improve remote sensing image classification.Two learning granularities are proposed for inductive learning from spat
期刊