1) computation of directional relationship
方向关系计算
1.
There are many models for the computation of directional relationship between spatial objects,such as the famous cone_shaped model,project model and qualitative triangle model.
在对拓扑邻接凸多边形方向关系计算特殊性分析的基础上 ,提出了一个邻接凸多边形方向关系计算算法和二维空间方向关系推理方法。
2) the Operation of Direction Relations
方向关系运算
3) direction relation
方向关系
1.
Qualitative direction relation reasoning in 3-dimensional GIS;
3D-GIS中方向关系定性推理研究
2.
The Reasoning of Spatial direction relation based on Search;
基于搜索的空间方向关系推理
3.
Qualitative direction relation reasoning laws in 3D-GIS
3D-GIS中方向关系定性推理规律研究
4) direction relationship
方向关系
1.
The description in 2D space between fuzzy regions 9-intersection model is founded,at last,the combinational reasoning ways are proposed based on spatial direction relationships and spatial topological relations.
本文首先讨论了模糊区域的定义和边界问题,然后把描述确定性区域的9交模型引入到模糊区域,建立了二维空间中描述模糊区域之间的9交模型,最后提出了基于空间方向关系和空间拓扑关系的组合推理方法。
2.
The description in 2D space between fuzzy regions 9-intersection model was founded,in the end,the combinational reasoning ways was proposed based on spatial direction relationships and spatial topological relations.
本文首先讨论了模糊区域的边界问题,然后把Egenhofer等描述确定性区域的9交模型引入到模糊区域,建立了二维空间中描述模糊区域之间的9交模型,最后提出了基于空间方向关系和空间拓扑关系的组合推理方法。
5) directional relation
方向关系
1.
Modeling directional relations of spatial objects and its applications in GIS.;
空间方向关系描述模型及其GIS应用分析
2.
Research on spatial directional relation description model;
GIS空间方向关系形式化描述模型分析
3.
The directional relationship is one of the key theoretical issues in GIS.
方向关系是GIS中的一个重要的理论问题。
6) direction relations
方向关系
1.
Representation of direction relations and the retrieve of such relations based on R-tree;
基于R树的方向关系表示及方向关系检索
2.
It models on the direction relation of spatial object based on theory of extended open shape,and extends the current technology into the direction relations queries under the different reference frameworks.
扩展开放区域的基本抽象类,提出了开放梯形和开放扇形的概念,利用扩展的开放区域理论对空间对象的方向关系进行建模,给出定量方向关系查询的解决方法,并扩展绝对参考框架下定量方向关系查询技术的通用性应用于不同参考框架下的定量和定性的方向关系查询处理,实验证明该技术与传统范围查询方法相比在性能上的优势。
3.
The membership grade of direction relations between indeterminate regions is analyzed via interval value direction relation matrix.
基于区间值及其运算性质给出了不确定区域间方向关系的表示及推理方法。
补充资料：经济关系(见生产关系)
经济关系(见生产关系)
economical relation
1 ingji gU口nxj经济关系(eeonomieal relation)系。见生产关
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条