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Publication Type	Technical report
School or College	College of Engineering
Department	Computing, School of
Creator	Athay, Russell Jay
Title	Object models for computer aided design
Date	1976-03
Description	Abstract: The goal of this research has been to develop an underlying modeling system to support applications in computer modeling system to support applications in computer aided design and scientific modeling. Particular emphasis has been given to two key issues: 1. data base support; 2. graphic interaction. The modeling system which has been designed and implemented partitions the data base into discrete 'objects.' Objects represent an extra level of data type not found in most data base systems. Objects provide a context in which the highly inter-related data structures needed to represent both spatial and non-spatial attributes of physical entities can be efficiently represented and processed. It is claimed that this partitioning of the model into objects provides not only efficiency, but also clarity and flexibility. A graphic support system for designing complex three dimensional objects has been implemented in the context of object models. The ideas discussed in this thesis have been implemented as actual working systems. These systems have been used as the basis for an extensive mine engineering application and some preliminary work in the modeling of complex protein molecules
Type	Text
Publisher	University of Utah
Subject	scientific modeling; computer models; data base support; graphic interaction; graphic support system
Subject LCSH	Computer-aided design; Computer simulation
Series	University of Utah Computer Science Technical Report
Relation is Part of	ARPANET
Format Medium	application/pdf
Format Extent	290,180,275 bytes
File Name	Athay-Object_Models_For_Computer.pdf
Conversion Specifications	Original scanned with Kirtas 2400 and saved as 400 ppi uncompressed TIFF. PDF generated by LIMB™ for CONTENTdm display
ARK	ark:/87278/s6cz5tf7
Setname	ir_computersa
ID	106626
Reference URL	https://collections.lib.utah.edu/ark:/87278/s6cz5tf7

Page Metadata

Title	Page 187
Setname	ir_computersa
ID	106558
OCR Text	Show 1. C􁪽􋵡a􁪽􋵢be=lin, D. D., Rela􁪽􋵩ional 􁪽􋵡ata-5ase 􁪽􋵡anagerne􁪽􋵴t 5::,s-:.e:7:5. COr:1?u:.ing Surveys, Vol. 2, :\'0. 1, (Ma!:"c!: 1976) . 2 • 2ocd, G. G., AP!"--.; Language fo!:" As soc a a t i v e !:::lata Handlin􁪽􋵩 i􁪽􋵐 PL!I. AFI?S Conference Pr􁪽􋵣ceedings, Vol. 29, (':966 .raIl Joint Cornpu t e r ccrt e r ence l . 'Sas":.:-;.a::, C. 􁪽􋴚􁪽􋴮., Databases for ?i:ysical System Desig:::-l: 􁪽􋵓 S􁪽􋵲rvey o􁪽􋵕 U S Efforts. Co􁪽􋴿?ute= Aided Design Co;;£e::c-enc2 ?:::-ocee8.i:-.qs (1976). E􁪽􋵳st2an, C. 􁪽􋵌L, Ge􁪽􋵥era: Purpose Building Description Syste􁪽􋵳s. Institute of Physical Planning Research Repor􁪽􋵎 No. 57 (Sept 1975), Ca:::-negie-􁪽􋵥ellon University. =:-y, :. ?, Sible􁪽􋴧', E. H., Evo1'...: t i or; of Data-Base !·:;:,.r.2se:::e:-. t Sys c eris . r: Com􁪽􋶷·u􁪽􋵩i􁪽􋵱q S􁪽􋵲rveys, O? ci t e :-!:;'2􁪽􋵥e, Sa::l, Dijk.st::-a I Str'Jc􁪽􋴱1,;.!"ed Proqramrning, Ac ad ern i c ?:-ess, 􁪽􋵥e􁪽􋵙 Yo:-k, 1972. :􁪽􋴚􁪽􋵳sen, K., Kirth. 􁪽􋴮., Pascal 􁪽􋵳sar 􁪽􋵡a􁪽􋵵ual and Repo:::--:., S z:. r .: n .; s 􁪽􋴭 - '. 􁪽􋵥 e i: : 􁪽􋴮.;, :J e w Yo r K, 1 9 7 4: • 􁪽􋴺:S··:E:2.::', 􁪽􋴮.:. :::. I 􁪽􋴺::e l."-:j_􁪽􋵩izatic:-􁪽􋴧 ':J: ?􁪽􋴨()ce􁪽􋴚􁪽􋴺::::-e :􁪽􋴺:􁪽􋵣c.e:2.s ,􁪽􋴺 :J.::'-;'::":.a':" ::-::.3..:;e S􁪽􋴧';:tr-.esis, De'[)t. Cerr.p . s c i . . Ur. i v . 0􁪽􋵕 Ut􁪽􋴚􁪽􋴬, S􁪽􋵬l􁪽􋵌 La􁪽􋵥e C.:.ty, Tech. Report U􁪽􋵅EC-CSc-75-218. 9. .:;·􁪽􋴚􁪽􋴬,::-.s􁪽􋶷·:_a􁪽􋴮.. 􁪽􋴬, I. E. 1 Sr􁪽􋴚􁪽􋴺:'C::?;'.D, ..; 􁪽􋴚􁪽􋴺:a.:-􁪽􋴭-::'aCichir.e G􁪽􋴲2.pl1ic CC):-:'.;,.·..:::.:..catio:"! Sy s t.ern . J..FIPS Cc n f e r e r.c e ?roCeec.i:1Cs (1963 Sp􁪽􋵩ing Jcint Co􁪽􋵰puter Cc;;:erence) . 􁪽􋴺 :'C:. :5.y:c:-, s , h􁪽􋴮., F:-2.nk, :{. :"., C'J:;';S·::.􁪽􋴺:" Data-Base .':a:"lC.s,?!":;er-.t Syste:-'".s. CO:TI,I=:utin; Sl..rveys, 09. ci t. ll. 􁪽􋵡a::.C􁪽􋴚􁪽􋵥e􁪽􋴿?􁪽􋵴t, Li;;􁪽􋵥ers (e􁪽􋵩itcrs), ?:-oceedings of the 1\􁪽􋴡!""J:3:􁪽􋴧':'p :.,:-! :3":.e_ 22..325 :01: Ifjt'2:cacti􁪽􋴺:e Slesign. \·;2.tGrlo􁪽􋴬, Ca r.ac a . 1975. :'2. \':ar:-:, 0. :s., \.􁪽􋵊J.::'􁪽􋴡! 1-. 􁪽􋵊Ji:::-t'J.21 J2t.::. ;"ccess :':.ar:3ser :0;:: C-.·,::·:2"..:􁪽􋵥e:::- .!.,:c.e:':' Jes:'S':-;. ?!''.)ceE';d':'n􁪽􋵳s 0: t ce vc r k sr.op 0􁪽􋵊 Jata 5􁪽􋴚􁪽􋴲2S 􁪽􋵃C􁪽􋵉 I􁪽􋴚􁪽􋵣c:::-a:􁪽􋵩ive 􁪽􋴚􁪽􋴵5ig::. o􁪽􋵣 cit.
Reference URL	https://collections.lib.utah.edu/ark:/87278/s6cz5tf7/106558