凸多边形

That the clip boundary be convex where as the other object may be a concave non-self intersecting polygon.

该剪辑凸边界在与其他物体可能是一个凹非自相交多边形。

The algorithm for detecting the convexity and concavity of vertices of a simple polygon is commonly used in computer graphics.

简单多边形顶点的凸、凹性判断是计算机图形学中常用的算法。

This paper introduces the method of convex hull of simple polygons, analyzes the defects of algorithm by Chen.

本文介绍了简单多边形凸包计算的主要思想，分析了陈氏算法的缺点。

This method of Convex Hull is always counter-clockwise order, can be used for any simple polygon.

详细说明：此方法得到的凸壳总是逆时针顺序，可用于任意简单多边形。

Moreover, this algorithm is a effective method to find a minimum convex area of a polygon.

同时，本法也是求多边形最小凸包的有效方法。

To realize arbitrary triangle polygon convex decomposition.

详细说明：实现对任意多边形的三角形凸分解。

The convex decomposition of arbitrary planar polygon.

任意平面多边形的凸分解。

The second algorithm is that polygonal concave points and newly created concave points are continuously removed, and a vertex sequence of the convex hull is finally obtained.

第二个算法不断删去多边形的凹点及新产生的凹点，最后得到凸壳顶点序列。

The curve, to be calledλ-Bezier curve not only inherits themost properties of n-degree Bezier curve, such as endpoints properties, symmetry,convex hull property, geometric invariability, affine invariance, convex-preservingproperty, variation diminishing property and so on, but also can be adjusted inshape by changing the value ofλwithout changement of control points.

曲线不仅具有n次Bézier曲线的特性：如端点插值、端边相切、凸包性、变差缩减性、保凸性等，而且具有形状的可调性：在控制顶点不变的情况下，随着参数不同，可产生不同逼近控制多边形的曲线。

The traditional convex hull algorithms of point set and that of simple polygons have parallelly developed without any combination.

传统点集凸包算法和简单多边形凸包算法平行发展，互不相干。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。