查询词典 3D

Some questions in digital elevation model were discussed detailedly, such as the obtaining of data points, the fast searching of reference points, the interpolation algorithm of quadric surface, the abnormal data eliminating, and so on. And this paper has realized the 3D vectorization of 2D terrain maps, the 3D display and edit of DEM data with the help of secondary development of CAD.

文中详细讨论了数字高程模型中数据点获得、参考点的快速搜索、二次曲面的插值算法、粗差剔除等内容，并运用AutoCAD二次开发技术，实现了二维地形图的三维矢量化以及DEM数据的三维显示和编辑修改。

On the basis of contour extraction of 3D fragments, an algorithm for rapid fragment matching in the 3D fragement reassembly was presented.

针对三维碎片拼合中的碎片匹配问题，在提取碎片轮廓线的基础上，提出了一种快速的碎片匹配算法。

The recent progress of the 3D QSAR research and the applications of the method of receptor site model in 3D QSAR research have been reviewed.

综述了三维定量构效关系研究的最新进展以及受体作用位点模型方法在3D－QSAR中的应用。

Sand map for military purpose is established to redisplay actual terrain according to paper map, it is a micro-model for 3D-terrain which can present battlefield situation all moments. Contrast to practicality model, visualization of 3D-terrain becomes an emphasis and difficulty in the field of GIS and military simulation.

军事用途的沙盘模型是根据地图信息，以实物模型来还原实际地形地貌，显示各个阶段战场态势的微缩三维地形模型，数字地图三维可视化是GIS和军事仿真领域的一个重要的研究课题。

The equations of two classes of 3D polynomial maps that are equivariant with respect to the rotational symmetries of either a regular tetrahedron group or a regular octahedron group are strictly given, on the basis of which the properties of the general Julia sets created by these 3D polynomial maps are discussed and proved.

从理论上分析并证明了三维多项式映射满足等变的条件，精确地给出了关于正四面体群和正八面体群具有旋转不变对称性的两类三维等变映射的具体公式，在此基础上讨论并证明了三维多项式映射的广义Julia集所具有的性质。

About the 3D reconstruction, here talks about the optical normal computing algorithm, the special lighting adjust, the creation of triangle meshes of regular scattered points, and the 3D data compressing, etc.

在3D重建方面，介绍了本设计特有的关于OpenGL法线的优化算法、特殊的光照处理、规则高度场的快速三角化、伪彩色处理、等高面块的实现方法、图像矢量化等相关技术。

The 3D Modeler module performs the representation mapping between the DILAS 3D object model and the MicroStation V8 geometry model.

该三维建模组件执行DILAS三维对象模型和V8微型工作站的几何模型之间的地图再现。

3D PETG SHEET 4 PP ROLL.5 APET ROLL.PETG ROLL. GAG ROLLPROCICTS:1OFFICE STATIONERY PRODUCTS-ACTION CASE EXPANDINGFILE,NOTE BOOK. DISPLAY BOOK CLEARHOLDER, PHOTO ALBUM,RING BINDER 2 PPBOX/PET BOX 3 PP BAG PRODUCT TECHNOLOGY: 1 OFFSET PRINGTING 2 SILK SCREEN PRINGTING / UV PRINTING 3 3D EFFECT

PET印刷光栅片生产工艺： 1 柯氏印刷 2 丝网印刷/UV丝网印刷加工产品种类： 1 办公文具用品制作手提包，风琴包，笔记本，资料簿，文件袋，相本，文件夹 2 PP盒/PET盒3 PP包装袋

A positive and negative projection method of object to be tested based on universal pattern display card includes using 3D texture to present rebuilt body data of object to be tested, calculating out directional vector array of ray outgoing point to detectors, storing said vector array into pattern display card to form directional vector texture, rotating directional vector texture and directional vector around rotary shaft to realize once of positive projection course on any projective angle, using 3D texture index technique to let virtual slab set position be not limited any more in negative projection course.

本发明属于投影探测与成像技术领域，其特点在于该方法含有以下步骤：把被测物体的重建体数据用三维纹理存储表示；预先计算射线出射点至平面探测器上个探测器之间的方向向量数组，并存储到通用图形显示卡中形成方向向量纹理；利用方向向量纹理与方向向量绕旋转轴旋转来实现任一投影角度的正投影过程的一次完成，无中间结果转存；在反投影过程中，利用三维纹理索引技术使虚拟切片组的放置位置不再受到限制。

At last,a preliminary visual 3D model system for coal seam is established based on coal seem 3D model and using OpenGL and Vc~6.0.Currently a part of research results has been applied to Mine Survey Geological Information System(MSGIS3.0),including constrained triangulation of coal bed suface, coal bed scaleboard contours with fault,part encrypt of contours,excellent turn of triangle,space encrypt,any direction profile of coal bed and so on.

论文的部分研究成果已经应用于煤矿地质测量空间信息系统MSGIS3.0中，主要表现为通过煤层底板表面的约束三角剖分，实现了煤层底板等高线的断层处理、等高线的局部加密、三角形优化、空间插值、任意切割煤层剖面等方面。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。