定义：提供一种方式可以连续的访问几何对象的所有元素而无须关注内在的描述方式。
Define: Provide a way to access the elements of an aggregate object sequentially without exposing its underlying representation.
在这个向导中我们将使用Alternativa3D方法来建立一个房子的几何对象。
In this tutorial we will build a house using Alternativa3D methods to create objects' geometry.
几何对象的不精确以及计算机浮点运算生成的误差积累，势必会影响几何算法的可靠性。
The reliability of geometric algorithm is reduced by two reasons which are presenting inaccuration and computer′s floating operation.
研究了点集序列迭代生成的计算机算法，强调非规则几何对象与规则几何对象造型格式的统一。
In this paper, by using iterative procedure, the authors investigate generation of point set sequences for the algorithm, especially the integration of irregular geometric models with regular ones.
本学位论文主要介绍一种用于符号几何计算、几何推理以及视化几何对象的面向几何对象语言的设计与实施。
This thesis presents the design and implementation of a geometric-object-oriented language for symbolic geometric computation, reasoning, and visualization.
数字拓扑主要研究栅格空间中离散几何对象的拓扑性质，这些性质在GIS空间分析和栅格数据处理中非常重要。
It is essential to the spatial raster data structure of GIS; in fact, all spatial analysis about raster data is based on the digital topology.
本文在分析GIS、CAD以及通用出版软件数据模型的基础上提出了面向地图出版的数据模型，具体包括几何对象模型、地图模型和拓扑模型以及它们的数据库存储方案。
The data model is drive from the analysis of the data model of GIS , CAD and DTP system. It include the geometry model, the map model, the topology model and their database schema.
为了让几何拣选可以工作，你还需要为你场景中的对象设置多项能力。
For geometry picking to work you need to set various capabilities on the objects in your scene.
不能优化具有绘图类型格式矢量图形向量图形：使用几何公式的图形对象的表示形式，如线条、弧形和正方形。
You cannot optimize pictures that have a drawing type of format vector graphics vector graphics: The representation of graphic objects such as lines, arcs, and squares by using geometrical formulas.
对象节点在场景中描述物体，例如角色部分，几何体物体，灯光和摄像机等等。
Object nodes represent objects in the scene, such as character parts, geometry objects, lights, cameras, and so on.
房屋作为地籍管理中最主要的研究对象之一，具有明显的几何特征。
As one of the mainly research objects in cadastre management, the house has the obvious geometry features.
构建形状从几何原语，从而创造数学描述的对象。
Construct shapes from geometric primitives, thereby creating mathematical descriptions of objects.
通过对模型轮廓曲线及表面的几何特性分析，编辑对象，从而达到对设计进行优化的目的。
Through geometrical feature analysis of curve and face of model outline, editing object, thus receiving purpose of optimization design.
定性空间推理研究的是人类对几何空间中空间对象及其关系定性认知常识的表示与处理。
Qualitative spatial reasoning researches representation and processing of human's qualitative cognition for spatial objects and their relations in geometric space.
本文介绍应用面向对象的思想对专题地图数据厍中专题数据、几何数据、拓朴数据进行有效管理的设想。
This paper tells us the conceive plan about effective management according to thematic data. geometrical data and topological data which is based on the theory of Object Oriented Database.
实验对象被问及照片中的人年龄几何时，这一差异的原因便水落石出了。
Thee reason for the discrepancy was revealed when subjects were asked how old they thought the people in the images were.
利用图像小目标的微分几何特性，计算图像的最小法向曲率，并以此为阈值，获得小目标的候选对象。
By using differential geometry property of small object of infrared image, computing minimal normal curvature which is used as the threshold to obtain candidate objects for small target.
在详细设计各种对象的过程中，本文对于一般GIS应用上的几何类进行了设计与实现。
During the process of designing to various kinds of targets in detail, the geometry objects were to be designed and realized to general GIS in the paper.
几何形状、灰度级、颜色，尤其是农产品表面的反射光谱特性，可以用于农业机器人识别操作对象。
The geometrical shape, gray level, color, and reflected spectrum especially of farm production, can be used for agricultural robots to recognize the operated objects.
约束求解是将特征间的相互依赖关系映射为几何或工程约束描述，通过求解约束实现设计对象的细节。
Constraint solver is the conversion from dependence relationship of features to geometry or engineering expression, then achieve the design by solving the constraint.
定性空间推理研究人类对几何空间中的空间对象及其关系定性认知常识的表示与处理。
Qualitative spatial reasoning researches the expressing and processing of human cognition of geometry spatial objects and their relations.
本文采取的考虑对象和特征的数据交换方法实现了TRIBON与CATIA间船体模型几何信息和特征信息的交换。
The data exchange method based on objects and features realized the data exchange, including geometry information and feature information, between TRIBON and CATIA.
本文对几何校正和色彩校正技术知识进行了简单地介绍，重点研究对象在图像的边缘融合上。
In this paper, geometric correction and color correction technology knowledge for a brief, focused on the edge of the object in the image of integration.
最后，利用ROSE类库早、晚两种联编方式，将几何、材料、网格等数据信息写入到设计对象中，生成ap209文件。
Finally, using ROSE early-binding and late-binding mode, the data information such as geometry, material and grid is written into the design object to output AP209 file.
第二、将微分几何理论引入到永磁推进电机系统中，以解决非线性控制对象难于控制的问题。
Secondly, differential geometry theory has been introduced to permanent magnet thruster motor for solving the problem of nonlinear object difficult to control.
通过研究引信和钟表小轴类零件基于知识和实例的表示方法，建立了面向对象的零件几何、工艺特征信息描述方法。
Studying representation method of fusee and small spindle part of the case-and-knowledge-based, the described method of objected oriented of geometry feature and process feature information is built.
最后，一个可以连接的多维数据集具有相同的几何和建立3d对象的颜色。
Finally, the one can connect cubes with the same geometry and color to build 3d object.
最后，一个可以连接的多维数据集具有相同的几何和建立3d对象的颜色。
Finally, the one can connect cubes with the same geometry and color to build 3d object.
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