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General Principles of Modeling of Information Engineering Graphics

General Principles of Modeling of Information Engineering Graphics. L. Čiupaila , J. Zemkauskas , R. Žiūrienė Vilnius Gediminas Technical University. Introduction. The experience showed that application of Engineering Graphics in computer graphics loses any sense because:

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General Principles of Modeling of Information Engineering Graphics

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  1. General Principles of Modeling of Information Engineering Graphics L. Čiupaila, J. Zemkauskas, R. Žiūrienė Vilnius Gediminas Technical University

  2. Introduction • The experience showed that application of Engineering Graphics in computer graphics loses any sense because: • software is based on mathematical expressions; • EG content is a problem solving by graphical methods on a plane heuristically processing 3D information what is not needed in solving by mathematical form. So Engineering Graphics has to become Information Engineering Graphics (IEG) • To solve the tasks of IEG it is necessary to have an applied programming system, as only advantages of information technologies at most, because of: • possible rational management; • automation of formalized stages; • automation of text information management.

  3. Action modelsGD IGDGeometrical Drawing Information Geometrical Drawing

  4. IEG model

  5. IGD (Information Geometrical Drawing) working model

  6. Information civil engineering drawing model

  7. Drawing structure

  8. Working technique

  9. Graphics projections

  10. Model of formation of projections with sectional views

  11. The scheme of TAIGRASIcomputer tools Working tools Drawing field Modelling 3D operations Projections Drafting Various Help Windows Units Zoom Osnap Drawing field formation Extra helpful things Draw Modify Command line

  12. Drawing elements and visualization

  13. TAIGRASI Surface generationpossibilitiesadapted for educational purposes

  14. TAIGRASI Solid generationpossibilities adapted for educational purposes

  15. Surface developmentin TAIGRASI

  16. Intersection of surfaces in TAIGRASI a) Traditional method; b, c) TAIGRASI visualization

  17. Intersection of surfaces a, b) Traditional method; c) TAIGRASI visualization

  18. Projection making techniques

  19. Automatization technique

  20. Graphs distinctions GD IGD

  21. IGD (Information Geometrical Drawing) possibilities Area – 3328 Perimeter – 300 Center X – 10 Center Y – 26 Moment of inertia X – 33363142 Moment of inertia Y – 2028319 Moment of inertia XY – 1642316 Radii of inertia X – 32 Radii of inertia Y – 25 Central moment X – 529947 Central moment Y – 2196959

  22. Tools for building plans visualization

  23. Visualization tools for facade and plan elements

  24. Visualization of ferro-concrete contructions

  25. Conclucions • Computer possibilities can be completely used only going over from command management to process management. It requires to change graphics content which would allow not to draw but get necessary information by using intelligence of hardware. That is why the term of the title “information” is not advertising but essential one which reflects absolutely different IEG possibilities. • Especial role fall to software which should be adapted for solution of proper tasks, so formalization of pending tasks and modelling of proper tools are necessary; • The core of computer-aided graphical file (drawing) becomes not a view, but management of the object which is represented in a drawing; • IEG element structure is unique, its intellectual level is limited and can not be very high, so even in information surrounding the essential role falls to user. • TAIGRASI software http://www.vtu.lt/fakultetai/fmf/igk/

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