Palladian Grammar
Transcription
Palladian Grammar
48-747 Shape Grammars THEPALLADIANGRAMMAR analyticshape grammarsare intendedfora particularstyle criteriafor authoringa successfulanalytic grammarforstyle arespelledoutby StinyandMitchell clarifytheunderlyingcommonalityof structureandappearancemanifestforthe buildingsinthecorpus; supplytheconventionsandcriteria necessarytodeterminewhetheranyother buildingnotintheoriginalcorpusisan instanceofthestyle;and providethecompositionalmachinery neededtodesignnewbuildingsthatare instancesinthestyle language→style←shapegrammar Andrea Palladio I Quattro Libri dell’ Architetura The Four Books of Architecture, tr. Issac Ware, 1737 The Four Books on Architecture, tr. Robert Tavernor and Richard Schofield, 2002 thesources “And though variety and novelty may please everybody, one should not, however, do anything that is contrary to the laws of this art, and contrary to what reason makes obvious; so we can see that the ancients also made variations, but they never departed from certain universal and essential rules of this art, as we shall see in my book of antiquities.” AndreaPalladio,TheFourBooksonArchitecture,pp56 tr.RobertTavernorandRichardSchofield exemplar–thevillaMalcontenta exemplar–thevillaMalcontenta NicolòandAlviseFoscari–twobrothers–commissioned Palladioaresidence–LaMalcontenta–worthyoftheone ofthemostfamousfamiliesintown. Palladiocreatedavillathatappearsisolatedandimposing likeacastle.Itisbuiltuponanexceptionallyhighfooting, whichmakesupfortheimpossibilityofcreatinga basement,butmostofallunderlinesthebuilding’s monumentallook.Asthecelebratoryaspectsdominate, farmbuildingsarehiddenfromview. Circa1554 VillaFoscari«LaMalcontenta» Source: http://www.lamalcontenta.com/index.php/en/ http://www.lamalcontenta.com/index.php/en/ VillaFoscari«LaMalcontenta» griddefinition exteriorwallrealignment roomlayout interiorwallrealignment principalentrances-porticosandexteriorwallinflections exteriorornamentation-columns windowsanddoors termination stagesinshapegrammar 1grid 2exteriorwall 3roomlayout 4realignment 5entrances 6exteriorornament 7windows+doors 8termination thestagesinthegrammar –pictorially Avicentinefoot “Thislinewithwhichthefollowingbuildingsaremeasuredis halfaVicentinefoot[piedevicentino]. Thefootisdividedinto12inchesandeachinchinto4minutes [minuto]” Palladio,pp.79 systemofmeasurement axialsymmetry “Rooms[stanza]mustbedistributedateithersideoftheentrance andthehall,andonemustensurethatthoseontherightcorrespond andareequaltothoseontheleftsothatthebuildingwillbethe sameononesideastheontheotherandthewallswilltakethe weightoftheroofequally;…” Palladio,pp.57 griddefinition 1.therulesforgeneratingatartangrid “Thereareseventypesofroomthatarethemostbeautifulandwellproportionedandturnoutbetter;theycanbemadecircular[ritundo], thoughthesearerare;orsquare[quadrato];ortheirlengthwillequal thediagonalofthesquare[quadrato]ofthebreadth;orasquare [quadrato]andathird;orasquare[quadrato],andathird;orasquare andahalf;orasquareandtwo-thirds;ortwosquares.” 1.griddefinition Toensurebilateralsymmetry,tofixwallthicknessataconstantvalue, andtoincorporateproportioningrulessimultaneously,itisnecessary toassociateparametersandparametricexpressionswiththegrid generationrulesandwiththerulesspecifiedinthefollowingstages. ∴Parameterizationofrulesinthisstageismostcritical. 1.griddefinition Ruleforgeneratingexteriorwalls Underlyingwallpatternforthe VillaMalcontenta 2.exteriorwalldefinition TheinteriorspacesinPalladio'suniaxialvillaplansmayberectangular, I-shaped,T-shaped,or+-shaped. Noticethataplancanhaveatmostonenonrectangularspaceandthat thisspacemustbebisectedbythenorth-southaxisofthecoordinate system–becauseofbilateralsymmetry 3.roomlayout 3.roomlayout Generationoftheroomlayoutfor theVillaMalcontenta 3.roomlayout Rulesforrealigninginteriorwalls 4.interiorwallrealignment VillaValmaranainLisiera VillaValmarana 5.principalentrances porticosandinflections porticoinantis porticoprostyle 5.principalentrances asecondporticoinantis 5.principalentrances Generationoftheporticoandwallinflection fortheVillaMalcontenta 5.principalentrances “Nowthatwehavetalkedofwallsbythemselves[murosemplices],it isappropriatetomoveontotheirornaments,ofwhichcolumns,when locatedproperlyandinproportiontothewholebuilding,arebyfarthe mostimportantthatcanbeappliedtoabuilding.”(pp.17) Rulesforfinishingporticosbytheadditionofcolumns 6.exteriorornamentation AdditionofcolumnsfortheVillaMalcontenta 6.exteriorornamentation "Thewindowsontherighthandoughttocorrespondtothoseontheleft, andthoseabovedirectlyoverthemthatarebelow;andthedoorslikewise oughttobedirectlyoveroneanother,thatthevoidmaybeoverthevoid, andthesoliduponthesolid, andallfaceoneanother,so thatstandingatoneendofthe houseonemayseetothe other,whichaffordsboth beautyandcoolairinsummer, besidesotherconveniences" (page31). 7.windowsanddoors Rulesforlocatingwindows anddoorsinvillaplans Generationofthe windowsanddoorsin theVillaMalcontenta 7.windowsanddoors Terminationrules Thefinalplan generatedforthe VillaMalcontenta 8.termination realorfake?