查询词典 strictly concave function

For example, OpenGL does not directly support drawing a concave polygon.

举例来说，OpenGL的不直接支持画凹多边形。

At last, present a rapid and valid algorithm for decomposing concave polygon.

第四章图形变换，讨论一种基于象素的图形变换方法，并给出了具体的实现。

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。

Tess of the method used in OpenGL draw concave polygon, called a very simple and saved a lot of the complexity of the work of the test.

详细说明：用Tess的方法实现OpenGL中画凹多边形，调用非常简单，而且省去了大量的复杂工作，测试通过。

We provided an concise, fast and accurate method based on point-governed region for the problem, and resolved a special case of hole and concave polygon in the path.

本文就该课题提出了一种基于点辖域的简洁、快速、准确的方法，并解决了空洞和凹多边形等特殊情况，有效的解决了该问题夫妻。

OpenGL rendering of the stars procedures, is a concave polygon.

详细说明： OpenGL绘制的星星程序，是一个凹多边形。

Data stucture of the model is also put forward. On account of OpenGL cant paint concave polygon, a new method named partition of beenline is brought forward.

在对建筑物封顶时，针对OpenGL不能直接填充凹多边形运用了一种直线剖分的方法来实现OpenGL对凹多边形的填充。

Free form surface ; simple polygon ; concave vertices ; route planning

自由曲面；简单多边形；凹点；路径规划

By talking above problems, the paper brings forward a new concept that is called the background information of grid creation, and thinks over three points of the improvement of front advance, and puts forward and talks the essential of judging whether the polygon is concave or protruding and six practical methods.

在探讨过程中，本文提出了背景信息这一概念，考虑了改进阵面推进法的三个要点，提出并详细讨论了判断多边形凹凸方法的实质和六种实用方法，此外还着重对网格粗细会对数值计算产生什么影响及如何产生影响作了较严格的分析。

A new polygon filling method——polygon trapezoidal decomposition filling method——is put forward and realized. An analytical comparing between its time complexity and that of the classical methods shows that it is faster than scan-line algorithm in the case of complex concave polygon.

提出了一条新的多边形填充思路——多边形梯形网格剖分填充法，实现了该算法并将其时间复杂度与经典的有序边表算法进行了比较，说明该方法在复杂的凹多边形情况下处理速度较有序边表快。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。