填充屏幕上的多边形区域。
提出了一个适用于任意平面多边形区域及散乱点集的通用三角化算法。
A general algorithm of triangulating arbitrary planar polygonal domain and scattered point set is presented.
利用前者填充边自相交的多边形区域需要做大量排序操作，这极大降低了填充效率；
But using the former to fill polygons with edge self-intersection needs large of taxes, affecting filling efficiency greatly.
本文提出了一种适用于多连通的多边形区域的三角剖分和非连通的受限数据的三角剖分算法。
The paper presents a new triangulation method suitable for both multiple connected polygonal domains and unconnected constrained data.
文中还定义了平面单连通多边形区域的所谓分层三角剖分，并确定了此剖分下二次样条空间的维数。
Then, a new kind of so-called stratified triangulation of a simply connected planar polygonal region is introduced.
结合储层建模结点数据的特点，提出了一种对多边形区域内建模结点数据进行快速三角剖分的算法。
A fast algorithm is put forward that is used to triangulate stochastic reservoir modeling data in a polygonal domain.
在实际的GIS空间分析过程中，为了更加简便快捷的实现某些特定的空间分析功能，常常需要将不规则的矢量多边形区域转化为规则的格网区域。
For the sake of realizing some special functions in spatial analysis of GIS, it is necessary to covert irregular vector polygon into regular grid.
尽管这个边界框是一个用于定义表示用户的区域的多边形，但我简化并使用该数据的一个点。
Although the bounding box is a polygon defining the area represented for the user, I simplify and use one point of this data.
在中间层，可移植的图形引擎提供对线的绘制、区域的填充、多边形、裁剪以及颜色模型的支持。
At the middle level, a portable graphics engine provides support for line draws, area fills, polygons, clipping, and color models.
列表定义多边形，并可以相互层叠，来表示方向完全相反但描述相同地理区域的数据集，从而形成数据详细的地图。
The lists define polygons and can be layered on top of each other to map data sets of completely different origins while describing the same geographical area to form extremely data-rich maps.
例如，表示整个美国的区域的几何图形由60个多边形组成，总共有198569个点来定义那些多边形。
For example, a geometry that represents the whole area of the United States consists of 60 single polygons with a combined total of 198569 points defining those polygons.
然后选择“多边形工具”开始选择我需要遮罩区域。
I then selected the "Polygonal Tool" and began selecting areas that I wanted to mask.
岛屿的形状决定了哪些区域是水哪些是陆地。标记为水的多边形除了海洋就是湖泊。
The island shape determines which areas are water and which are land. Lakes are water polygons that aren't oceans.
工作流从一个地理区域获得多边形栅格文件？
Which workflow to get polygons from a geographic area and a raster file?
封闭曲线的路径是循环的，包围一个或更多区域，简单的例子如圆、椭圆、多边形。
A closed curve is a path that repeats itself, and thus encloses one or more regions. Simple examples include circles, ellipses, and polygons.
网格法是有向回路法的改进算法，利用了多边形的方向性和区域划分。
Grid method is an improved algorithm of the directed-loop method: it utilizes the orientation of the polygon and region partition at the same time.
本文借助于多边形图像区域表示，提出了一种将光栅图像转换为SVG表示的矢量图形方法。
Based on the image representation with polygons, a new approach to the SVG vectorization representation of raster images is proposed.
本文基于拓扑理论和多边形图的性质，提出了基于区域的二维边坡地层建模方法。
Based on the topological theory and the property of polygon graph, a region-based stratum modeling method in slope stability analysis has been developed.
由于曲线边界可以由小线段组成的多边形来逼近，所以通过本算法，我们还可以实现任何边界区域间的布尔操作。
We know that curves can be approached by mini line-segments, so the Boolean operations between almost all regions can be implemented by this algorithm.
该方法给出了基于面积值判断的快速终止条件，避免了异常情形的特殊处理，并能通过区域测试快速判定两多边形是否发生干涉。
QQH algorithm provides a fast terminate condition based on judging the area and avoids the special process for the exception, as well as determines whether interference occurs or not by region test.
新建层，命名为阴影，使用多边形套锁工具绘制影子区域。
Step 11: Next, create a new layer "shadow" and use the Polygonal Lasso Tool (L) to create a shadow area.
利用构造出的多边形有理插值，采用凸多边形逼近任意凸域，通过区域边界温度离散值，插值近似区域内的温度场分布。
A convex domain is approached by a convex polygon, and the approximated temperature distribution within the domain can be interpolated with the temperature data at the boundaries of the domain.
我们' ll也谈方法用于定义要被替换的区域以及如何利用你的多边形的形状。
We'll also talk about methods for defining the area to be replaced and how to take advantage of the shape of your polygons.
当变换和纹理映射被施加在所有需要渲染的多边形上的时候，如何去把投影纹理限制在一个单一的区域里呢？
If transformation and texturing is being applied to all the rendered polygons, how do you limit the projected texture to a single area?
产生的缓冲区域并不是以缓冲区域本身来分析，而是被建立的新多边形被用来作为分析之用。
The creation of a buffer zone is not in itself an analysis, but the new polygons that are created can be used in analysis.
在每个小区域内安装上圆形、椭圆形，正方形、多边形等形态得射门视标，可不断提高射门水平。
In every small area on the circle, elliptic, installation, such forms of polygon square, can be shot depending on improving goal level.
在每个小区域内安装上圆形、椭圆形，正方形、多边形等形态得射门视标，可不断提高射门水平。
In every small area on the circle, elliptic, installation, such forms of polygon square, can be shot depending on improving goal level.
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