iges 中文意思是什麼

iges 解釋
初始圖形交換標準
  1. In the thesis. reading the iges file - 3 - and all the geometry entities and annotation entities are extracted ; on the base of geometry entities extracted, geometry entities are classified based to their three views. a new data structure is proposed to describle 3d form features ; inspection items of the workpiece are recognized ; the cmm - based inspection planning system is built ; on the other hand, as a part of cims, cmm need exchanging data with the software of cad / cam, so iges export interface is developed based on iges standard. in order to show the whole information of the surface, the 3 - dimensional free - form surface is drawing using the opengl

    通過讀取iges文件對實體進行分離、提取、識別出對工件進行描述的原始信息；在此基礎上，西安理工大學碩士學位論文提出一種優化演算法對三視圖自動進行分離，建立了一種對工件進行三維描述的數學模型，照此模型對工件進行立體重構；識別出工件的各種檢測信息，提出一種對公差信息進行描述的數學模型，井與三維立體相結合，生成有檢測意義的三維實體；根據三坐標機的測量系統，生成相應的檢測規劃；另一方面，作為cmis的一部分，應具有與cad cam軟體之間的數據交換功能，本文還開發了iges輸出介面，採用opengl繪制三維空間曲面，向用戶展示其全面信息。
  2. First, the author introduces some present product data models including wire frame model, surface model, solid model, and feature model, and some related product data exchange standards including iges, pddi, pdes, and step. the characteristics and shortages of the product data models and the product data exchange standards are analyzed in general

    本文首先介紹了當前現有的產品數據模型，包括線框、曲面、實體和特徵模型，及相關的產品數據交換標準，包括iges 、 pdes 、 pddi和step ，分析了它們各自的特點和不足之處。
  3. Iges ' s data structure and formation of the virtual prototype

    的數據結構及虛擬原型的生成
  4. This method sculpts the entity of complicated model by other cad system, and saves in iges file format, finally machines through entering virtual machining environment using production model conversion interface. that embodies currency and universality of the system

    該方法通過其它cad系統對復雜模型進行實體幾何造型，再以iges文件格式進行存儲，最後運用產品模型轉換介面調入到虛擬加工環境下進行加工，著重體現了該系統的通用性和廣泛性。
  5. On the fundamental theory of 3 - d expression, the characteristics of engineering drawings are analyzed, with the difficulties of 3 - d reconstruction based on engineering drawings ; the algorithms of surface blending are investigated, as a strategy of surface blending is indicated ; the methods of avoiding data distortion are presented, after the analysis of iges and step format and their application in the data exchange among heterogeneous platforms ; the methods and process of 3 - d expression based on engineering drawing are provided

    在分析了三維表達技術的基礎理論之上，總結出工程圖紙的特點和基於工程圖紙進行三維構建的難點，研究了曲面圓角的演算法，歸納了曲面圓角的方法；分析了三維表達中iges和step數據格式和在異構平臺之間數據傳遞，提出了避免數據失真的方法；總結了基於工程圖紙進行三維表達的方法，歸納了相應的方法與流程。
  6. Applying the above - mentioned method, the author developed an approximate developing - mapping system based on catia v5 using vb, realized the development computing of panel surface and auto - drawing of developed shape in catia, dealt with the problem : getting mesh data from analysis & simulation module of catia, picking up structure information data in iges, showing 2d developed model in catia

    應用上述幾何展開演算法，作者基於windowsnt 2000 xp系統和catiav5平臺用visualbasic開發了一套「不可展曲面近似展開和內部結構信息映射系統」軟體，簡稱demaps系統，實現了飛機壁板類零件的展開計算和展開圖形自動繪制。
  7. The architecture of the platform was established based on the distributed object computing with corba specifications. the initial graphics exchange specification ( iges ) was introduced to interchange the information between different cad tools. the persistent objects were saved in relational database by mapping persistent objects to relational tables

    建立了基於分佈對象技術corba規范的mems集成設計平臺的框架結構，採用標準數據交換格式iges實現不同工具軟體數據交換，通過「映射法」把持久對象轉換為關系表格用關系數據庫保存持久對象。
  8. Netsdbrowser, a 3d graphics browser based on network, is composed of two function modules : iges postprocessor and rendering and interaction module supported by opengl, which constitute function plug - in modules of the 3d graphics browser embedded in the webex netmeeting

    基於網路的三維圖形瀏覽系統（ net3dbrowser ）主要由iges后處理器和以opengl為支撐的繪制與交互操作兩大功能模塊組成，構成webex網路會議系統的三維圖形瀏覽功能插件。
  9. 3. the use of piml, fpiml and iges _ proc in the web : some basic sheets in xsl, which is matching with piml and fpiml, are worked out and can be utilized by programmers in web applications ; the digital signature technology is brought into operation for iges _ proc ; some optimized steps are adopted to facilitate the transfer of graphics information

    （ 3 ） web環境中piml 、 fpiml以及iges _ proc的應用：為自行設計的置標語言在web中的應用設計了基本樣式表；為iges _ proc控制項在web環境中的應用進行數字簽名；為產品圖形信息的網路傳輸實施了優化措施。
  10. Surface reconstruction technique iges output oriented

    輸出的曲面重構技術
  11. Basing on studied native and foreign development status of geometry sculpture and production model, the paper lucubrates iges data structure, brings forward the conversion method of production data model in virtual machining environment

    本文在研究國內外幾何造型和產品模型的發展狀況基礎上，深入研究了iges的數據結構。提出了虛擬環境下的產品數據模型的轉換方法。
  12. By studying the iges data exchange standard and analyzing iges files produced by the preprocessors of cad systems, comprehend basic line elements and basic face elements constituting parts and summarize the means to get data information of parts and assemblies. 2

    通過對iges數據交換標準本身的研究，分析比較由cad系統的前處理器生成的iges文件，了解組成零件的基本線元和基本面元的實體類型，總結出從iges文件中提取零件和裝配體數據信息的方法。
  13. Analyze iges files and extract graphics data

    Iges文件的分析及數據提取。
  14. Approach to creation of nurbs virtual model based on iges

    的建模與模擬
  15. Iges international graphics exchange specification

    初始圖形交換標準
  16. The chapter 7 introduces the basic content of iges and shows how to realize it

    第七章介紹了iges介面，並說明如何實現這種介面。
  17. The development of net3dbrowser iges postprocessor is mainly discussed in the dissertation, including the following aspects : 1

    本文主要研究net3dbrowseriges后處理器的實現，包括以下幾個方面： 1
  18. Iges and step standard format and the sat format which is used in acis has been studied. according to the characters of different parts and the characters of different machine tools, a method of grinding for non - circular surface is researched, a new strategy and algorithm of non - circluar surface nc griding which based on acis is studied. a way of non - circluar surface internal grinding is realized as well as the way of non - circluar surface external grinding

    論文的研究包括了以下幾個方面:研究了三維幾何造型引擎acis平臺及其拓撲結構，探討了iges和step等產品數據交換標準格式和acis中的sat文件格式的異同;根據零件的加工特徵和機床的結構特點，研究了在內圓磨削和外圓磨削方式下，非圓曲面磨削的數控編程技術;提出了基於acis實體造型的任意非圓曲面零件的數控磨削新演算法;實現了以實體造型為基礎的任意非圓曲面零件的內圓和外圓數控磨削;根據零件的特徵和磨削方式，生成了相應的走刀路線;實現了針對不同機床的後置處理。
分享友人
分享到 Line

分享到臉書