Improving the Performance of Neutral File Data Transfers: Research Reports Esprit, cartea 6
Editat de Raymond J. Goult, Peter A. Sheraren Limba Engleză Paperback – 7 noi 1990
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Specificații
ISBN-13: 9783540534273
ISBN-10: 354053427X
Pagini: 152
Ilustrații: IX, 138 p. 16 illus.
Dimensiuni: 170 x 244 x 8 mm
Greutate: 0.25 kg
Ediția:Softcover reprint of the original 1st ed. 1990
Editura: Springer Berlin, Heidelberg
Colecția Springer
Seriile Research Reports Esprit, Project 322. CAD Interfaces (CAD*1)
Locul publicării:Berlin, Heidelberg, Germany
ISBN-10: 354053427X
Pagini: 152
Ilustrații: IX, 138 p. 16 illus.
Dimensiuni: 170 x 244 x 8 mm
Greutate: 0.25 kg
Ediția:Softcover reprint of the original 1st ed. 1990
Editura: Springer Berlin, Heidelberg
Colecția Springer
Seriile Research Reports Esprit, Project 322. CAD Interfaces (CAD*1)
Locul publicării:Berlin, Heidelberg, Germany
Public țintă
ResearchCuprins
Project Overview.- 1 CAD/CAM data exchange in the industrial environment — methodology and tools.- 1.0 Introduction.- 1.1 Experiences with CAD data transfer.- 1.2 Problems caused by the specification.- 1.3 Problems regarding the processor quality.- 1.4 Problems caused by differences between CAD/CAM systems.- 1.5 Usage of CAD data exchange software in the industrial environment.- 1.6 Basis of neutral file adaption.- 1.7 Usage of neutral file adapting system NFAS.- 1.8 Summary.- 2 Exchange of curve and surface data.- 2.0 Introduction.- 2.1 Forms of representation.- 2.2 Exchange mechanisms.- 3 Neutral file interface requirements.- 3.0 Introduction.- 3.1 Design objectives.- 3.2 Neutral file entities.- 3.3 General parametric curve and surface representations.- 4 Conversions between representations.- 4.0 Introduction.- 4.1 Parametrisation.- 4.2 Degree elevation.- 4.3 Bézier ? explicit polynomial.- 4.4 B-spline ? Bézier.- 4.5 B-spline ? explicit polynomial.- Appendix 1 to Chapter 4.- Appendix 2 to Chapter 4.- 5 Degree reduction approximations.- 5.0 Introduction.- 5.1 Constrained Chebyshev polynomials.- 5.2 Parametric curve approximation using constrained Chebyshev polynomials.- 5.3 Surface approximation using constrained Chebyshev polynomials.- 6 More general curve and surface approximations.- 6.1 Parametric curve and surface approximation using orthogonal functions.- 6.2 Orthogonal polynomials and the least squares criterion.- 6.3 Constrained orthogonal polynomials.- 6.4 Curve approximation.- 6.5 Surface approximation.- 6.6 More general curve approximation problems.- 6.7 More general surface approximation problems.- References.- Appendix A: The neutral file check system.- A.1 The necessity of data exchange software.- A.2 The IGES tools.- A.2.1 The SYNTAX analysisprogram.- A.2.2 The POINTER analysis program.- A.2.3 The IGES check program.- A.2.4 The STATISTIC program.- A.2.5 The IGES statistic comparator program ISCOMP.- A.3 The VDAFS ANALYZER.- Appendix B: The neutral file adapting system NFAS.- B.0 Introduction.- B.1 System design.- B.1.1 NFAS control program.- B.1.2 Neutral file call interface.- B.1.3 Programming language and operating systems.- B.2 The performance of NFAS.- B.2.1 The NFAS command language.- B.2.2 The functionality of NFAS.- B.3 Implementation of NFAS.- List of Illustrations.- List of Tables.