Based on the quadric OPENGL screensaver program code, involving the rendering quadric algorithm with texture mapping.

基于OPENGL的二次曲面屏保程序代码, 涉及二次曲面的绘制与纹理映射算法.

Firstly, using quadric surface to fit with given surface and calculate the error metric to identify free surface and general quadric surface.

首先用一般二次曲面方程拟合测量数据并计算曲面的拟合误差，比较拟合误差与阈值的大小来识别自由曲面和一般二次曲面。

A new method is offered to extract quadric surface based measured points for reverse engineering.

为逆向工程中基于测量点的二次曲面提取提供了一种新的方法.

It is very helpful to instinctively understand the morphology of the QSIC such a quadric pencil has.

它们对直观上理解两二次曲面交线的拓扑形态有非常重要的意义。

This paper proposed to use immune algorithm based on real-number-coding to extract quadric surface.

提出了基于实数编码免疫算法针对离散数据点进行二次曲面提取的方法。

This paper proposed to use immune algorithm based on real - number - coding to extract quadric surface.

提出了基于实数编码免疫算法针对离散数据点进行二次曲面提取的方法.

An algorithm of feature surface recognition based on quadric surface fitting and geometry property was presented.

提出了基于二次曲面拟合误差分析和几何属性分析的特征曲面识别算法.

The key algorithms of the extraction and parametric representation of quadric surface and blend surface features are investigated and developed.

研究并解决了从测量数据提取二次曲面特征、过渡曲面特征及其参数化表达的关键技术和算法。

The expression of a tangent cone family with one parameter about a quadric surface is discussed.

讨论了二阶曲面的单参数切锥族的表示方法,导出了单参数切锥族的包络面的方程.

A simple and fast algorithm is based on iterative edge collapse and quadric error metric to simplify mesh models.

给出一种基于递进网格和二次误差测度的快速简便的算法来简化带属性的网格模型。