1) Non-graph attribute
图形定位数据
2) bitmap data
位图数据
1.
One compressing method of bitmap data based on compressing bytes was designed.
设计了一种基于字节压缩的位图数据压缩方法。
3) graphics data
图形数据
1.
Based on the characteristic of correlation of graphics geometry elements,long-distance high efficiency and secure transmission of complex engineering graphics data is realized after paramete.
根据图形的几何元素相关性的特征,建立参数结构,采用人工神经网络BP算法同时进行数据编码压缩和数据加密,实现复杂工程图形数据的远程高效安全传输。
2.
This aiticle analyses the characters of graphics data of AutoCAD software and Pro/E software, and discusses the methods of the data exchange in the deferent CAD software At the same time, analyses the choice of the CAD platform and the data exchange in the multi CAD platform.
分析了AutoCAD软件和Pro/E软件的图形数据的特点和两者之间的数据交换方式,并对设计过程中CAD平台的选择和平台间的数据交换进行了分析。
4) graphic data
图形数据
1.
A storage and scheduling method of massive graphic data;
海量图形数据的存储与调度
2.
Based on the MAPGIS software,this paper discusses the method of dividing layer,assigning layer,coding layer of graphic data and the method of coding ID key character related to the attribute data in the process of establishing the geological disaster information database of Wayaogou valley of Xining city.
介绍了基于MAPGIS平台建立瓦窑沟流域地质灾害数据库过程中,图形数据的图层划分、命名、编码及与属性数据相连接的ID关键字段的编码方法。
6) graph data
图形数据
1.
Based on the mathematical model on the positional features of the digit terrain condition, this paper extends the Baarda s reliability theory to assess the reliability of graph data in GIS database.
基于数字地图要素位置特征的数学模型,将Barda的可靠性理论扩展应用于GIS空间数据库中图形数据的可靠性评价。
补充资料:图形数据
图形数据 graphic data
图形对象的形式表示。图形对象是指图元(primitive)和图段(segment)。图元有点、线、面、字符、符号、像元阵列等。图段是由图元组成,例如房子中的门、窗;对每个图元的几何形状要用坐标位置,字符编码及字高、方位,字符的纵横比,像元阵列及其参考位置,相关的颜色属性加以描述后实现存贮。在地理信息系统中一般指矢量数据。
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