拓扑关系
- topological relationship
-
土地利用GIS中地籍的变化时空拓扑关系描述法
Description of spatio-temporal topological relationship about land utilization with GIS
-
矢量GIS中位置不确定性在目标间的拓扑关系判定中的应用
Application of Positional Uncertainty in Spatial Objects ' Topological Relationship
-
空间目标的拓扑关系及其GIS应用分析
Modeling Topological Relations of Spatial Objects and Its Applications in GIS
-
GIS中由单种细节方向关系推理拓扑关系的方法
Inferring Topological Relations from Single Detailed Direction Relations in Geographical Information System
-
基于动态拓扑关系的管网GIS系统研究与开发
The study and development of pipeline GIS based on dynamic topological relations
-
无拓扑关系下GIS图形编辑联动的解决方法
A Method for Solving GIS Interlinked Graphic Editing Under the Non-topology Relation
-
利用左转算法生成多边形是GIS中面域组织和拓扑关系建立的常用算法。
Creating polygon is a normal arithmetic through turn left or right algorithm .
-
基于Oraclespatial的空间拓扑关系查询
Queries of Spatial Topological Relations Based On Oracle Spatial
-
空间拓扑关系是GIS的一个重要内容。
Spatial topology is an important concept .
-
离散空间的拓扑关系模型二维空间的离散W变换
A Spatial Topological Relation Model for Discrete Space On Two-dimensional Walsh Transform
-
矢量数据拓扑关系的自动建立是GIS软件的核心模块之一,也是技术难点之一。
It 's one core module and nodus to create topological relationship automatically in GIS software .
-
地形TIN中地理实体拓扑关系表达
Topological representation of geographical entities in terrain TIN
-
随着GIS的发展,人们越来越认识到研究空间拓扑关系的重要性。
With development of GIS , people more and more realized to research spatial topological relations is very important .
-
因此,空间拓扑关系的研究已成为GIS研究的重点和热点。
Therefore , the research of spatial topological relationship has become a hot point in the research of GIS .
-
GIS中空间数据的拓扑关系,对数据处理和空间分析具有重要的意义。
The topological relation on the space data in the GIS has the important meaning to the space analysis to the data processing .
-
在GIS中使用具有拓扑关系的空间数据,不仅使空间实体数据量大大减少,而且解决了邻接关系和网络关系问题。
Using spatial data with topological relationships can reduce the amount of data and can solve the problems of adjacency and network relationships .
-
冲模CAD系统中冲裁零件各元素间拓扑关系描述及图形处理
The description and the graphics processing of the top relation between the graphic elements of die and punch parts in the Die CAD System
-
拓扑关系形式化描述的Euler示性数模型
Modeling Topological Relations Based on Euler Characteristics
-
对基于k-阶Voronoi邻域的空间区域间拓扑关系模型进行了简单拓展。
The topological relation model based on k-oder Voronoi neighbors is expanded .
-
该文首先对STL实体模型进行了拓扑关系重建,然后修复了一些实体模型中常见的缺陷。
This paper first establishes topological relationships for STL solid , and repairs some familiar errors .
-
根据交通源之间的拓扑关系和相关系数及欧氏距离,提出了GIS条件下的交通区优化划分方法;
Then provide the way to divide traffic zone optimally based on GIS , according to the topology relationship among traffic origination and to the Correlation coefficient and Euclidean distance ;
-
介绍了以拓扑关系数据为基础的GIS空间点、线、面对象实体模型,给出了基于对象实体模型的自动拓扑关系模型。
This paper introduces the GIS space point ? line ? surface entity model based on topology data and the automatic topology model which is based on the objects model .
-
它能有效地表达各种三维地质现象,也可以更好地与传统的多层TIN模型结合,维护好空间实体的拓扑关系。
The STP mode can be combined with the conventional multi-layer TIN model . It can effectively express 3D geological objects and maintain the topological relationship .
-
本文研究了TIN和GIS一体化数据模型的数据结构、拓扑关系,给出模型自动生成的方法和要点。
In this paper the thesis introduces TIN & GIS integration model , its structure and topological relation , and the method and gist of building this model automatically .
-
本文提出了一种六元组的数据结构来记录交线段,该数据结构记录了交线段的拓扑关系并依赖PowerRP平台进行提取达到了理想的效果。
The paper constructs a data structure called six elements to record intersected segments , and the structure records the topologic relation and relies on the Power RP to achieve an ideal result .
-
工程CAD建模主要针对的是丰富的工程属性和复杂的拓扑关系,这与基于几何特征的造型技术在侧重点上是不同的,必须结合工程设计,采用新的建模技术。
Not like mechanical design , AEC CAD modeling involves the layout of tremendous number of components under complex constraints , so the new modeling technique that according to AEC designs must be applied .
-
但是,做为TGIS基础的时间以及时态拓扑关系等的研究还比较薄弱。
However the research on temporal topological relation and time as base of TGIS is comparatively weak .
-
拓扑关系(空间、时间拓扑)是制约可视化的关键技术之一,设计一个适合于GIS可视化要求的空间、时间拓扑模型关系到GIS可视化的更进一步发展。
Topological model is one of the key technologies in GIS visualization . It is favorable to GIS visualization to design a topological model of space and a topological model of time that could meet the demands of GIS visualization .
-
这种模型具备了面向对象以及拓扑关系模型的优点,解决了地上三维景观、TIN和城市三维地质等应用对数据模型的要求。
This data model combines strongpoint of conventional topological data model and entity-oriented model , which is able to meet the data model requirements in applications such as 3D landscape , TIN , and urban 3D geology .
-
空间拓扑关系的描述与操作是GIS的重要基础,在GIS中起着举足轻重的作用,同时也是GIS区别于其它图形系统的重要标志。
The description and operation of the spatial topological relation in the spatial relation are important basis of the GIS , which play an critical role in the GIS and simultaneously are crucial marks of the GIS differing from other graphical systems .