Principles:MakingDesignWorkRhythm
ThewordrhythmcomesfromtheGreekrhein,meaning"toflow,"
butitimpliesaflow with
arecognizablepattern.Inmusicalcompositions,apatternedflowisobvious,sincesuch
worksofartareperformedoveraperiodoftime.Thevi-sualartsdisplaythisrhythmicpropertytoo,eventhoughmostpicturesexistasawhole,notchangingwithtime.Theygaintheirflow—andrhythm—because
theyareperceivedoveraperiodoftime,astheviewer's
attentionmovesfrompointto point.Rhythmiscreatedwhenever
similarpictorial
componentsarerepeatedatregularornearlyregularintervals.
Theviewer's
attentionisluredthroughtheimagealongthepathof repetition,andtheresultis
asenseoforderandunity.Inaddition,visualrhythmmayhelp
tobuildakindofviewing
efficiencyintoapicture,
inthesamewaythatplayingtennisorchoppingwood
iseasiestwhen
donerhythmically.Arhythmicdesignwasused
toorga-nizethe
photographatright.Therecur-ringcomponentisshape.The
viewer'sattention
repeatedlyleapsthedividingline
ofthefencetoptotakeintheshapesofatorn
patchinthefence,awindowedhouse,anothertornpatch,atree,yetanothertornpatch,
andthe
roofsat
thesidesofthepicture.Under-lyingthisalternationisthe
lesspro-nouncedbut
moreregularrhythmofthe
darkmarkingsonthefence,stitching
a
bonusoforderintothe
design.