图廓

在充分实验分析常见边缘检测算法的基础之上，选取Roberts边缘检测算子，获取地图的外图廓。

After the experiment of normal edge detection algorithms , the Roberts operator is selected for the outline detection of the linear map .

数字地图制图数学基础的自动建立与图廓整饰

Automatic setting of mathematic features and drawing margins in digital mapping

保持矩形图廓的变比例尺地图投影

Variable Scale Projection with Rectangular Sheet Frame

阐述了地图符号库的建立和图廓整饰的自动实现过程；

Expatiates upon the building of map symbolic library and the automated realization process of map border decoration ;

基于图案填充的直、斜格网绘制及图廓的自动生成方形结构网箱单箱体型锚泊系统的优化研究

The Algorithm Researching of the Drawing of Inclined & Square Net by Patter Hatching and the Automatic Forming of Map-Outline Optimization of the single-cage mooring system for square net cage

人耳地形图在耳轮廓提取中的应用研究

Research on Ear Topography Correlated with Ear Contour Extracting

文章还分析了影响图集开本的因素和确定开本的依据，以及地理基础要素综合取舍和图幅无图廓等图幅整饰上的特色。

The paper also discusses factors and bases interfering and determining the atlas format , how to make comprehensive choice of geographic basic elements and the characteristics of map decoration .

在画出隐藏线的立体线图中，阐述了以线图外轮廓线的确定为目标的不完整立体线图的标记方法。

In3D line drawing which has hidden lines displayed , a labeling method for imperfect line drawing aiming for searching external contour lines is described .

对于这种系列图幅，通常是设计一种标准图廓。

For such a series it is usual to design a standard margin .