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1、TECHNICALREPT7239Published19841215INTERNATIONALGANIZATIONFSTARDIZATlONME~YHAPOJHAROPTAHM3ALWlfl0CTAHAAPT~3A~WIGANISATlONINTERNATIONALEDENhlALlSATlONDevelopmentprinciplesfapplicationofpublicinfmationsymbolsElabationetprin

2、cipesdemiseenceuvredespictogrammesdestindsBl’infrnationdupublicIS0(theInternationalganizationfStardization)isawldwidefederationofnationalstardsbodies(IS0memberbodies).ThewkofpreparingInternationalStardsisnmallycarriedout

3、throughIS0technicalcommittees.Eachmemberbodyinterestedinasubjectfwhichatechnicalcommitteehasbeenestablishedhastherighttoberepresentedonthatcommittee.InternationalganizationsgovernmentalnongovernmentalinliaisonwithISOalso

4、takepartinthewk.ThemaintaskofIS0technicalcommitteesistoprepareInternationalStards.Inexceptionalcircumstancesatechnicalcommitteemayproposethepublicationofatechnicalreptofoneofthefollowingtypes:type1whenthenecessarysupptwi

5、thinthetechnicalcommitteecannotbeobtainedfthepublicationofanInternationalStarddespiterepeatedefftstype2whenthesubjectisstillundertechnicaldevelopmentrequiringwiderexposuretype3whenatechnicalcommitteehascollecteddataofadi

6、fferentkindfromthatwhichisnmallypublishedasanInternationalStard(“stateoftheart”fexample).TechnicalreptsareacceptedfpublicationdirectlybyIS0Council.Technicalreptstypes12aresubjecttoreviewwithinthreeyearsofpublicationtodec

7、ideiftheycanbetransfmedintoInternationalStards.Technicalreptstype3donotnecessarilyhavetoberevieweduntilthedatatheyprovideisconsiderednolongervaliduseful.ISOTR7239waspreparedbyTechnicalCommitteeISOTC145Graphicalsymbols.Th

8、ereasonswhichledtothedecisiontopublishthisdocumentinthefmofatechnicalrepttype3areexplainedintheIntroduction.ContentsPage0Introduction.......................................................................................

9、..........21Scopefieldofapplication...................................................................................22References..........................................................................................

10、........23Abbreviationsdefinitions...................................................................................34Proceduresfthedevelopmentadoptionofpublicinfmationsymbols............................................

11、49gUDC603.62Ref.No.ISOTR72361964(ElDes:symbolsgraphicsymbolsinfmationinfmationmarkspreparationimplementation.F0InternationalganizationfStardization1994l2PrintedinSwitzerlPricebasedon19pagesCopyrightInternationalganizatio

12、nfStardizationProvidedbyIHSunderlicensewithISOLicensee=NASATechnicalStards19972545001NotfResale0420200702:48:20MDTNoreproductionwkingpermittedwithoutlicensefromIHS```````````````````````ISOTR72391994(E)3Abbreviationsdefi

13、nitions3.1AlgebraicsymbolsThemeaningsofthesymbolsusedinthefmulaeadoptedinthisTechnicalReptareasfollows:mdrepresentsthelineardimensionofthesmallestsignificantdetailinthegraphicalsymbol(see5.8)mlrepresentstheminimumlinethi

14、cknessftherepresentationofdetailinasymbol(see5.8.1)disrepresentsthedistancebetweenthesymboltheinternaledgeofthesymbolenclosure(see6.1)srepresentsthelineardimensionofthesymbolasdefinedbythecnermarksintheguidelineexampleof

15、IS07001(seeannexA)4representstheinternaldimensionofonesideofadiamondenclosure(see6.2.11drepresentstheinternaldiameterofacircularenclosure(see6.2.2)brepresentstheinternalbasedimensionofanequilateraltriangularenclosure(see

16、6.2.3)Drepresentstheviewingdistance(i.e.thedistanceitisanticipatedtheviewerwillbeawayfromthesign)(see6.4)Xrepresentsthedisplacementofthecentreofthesignfromthecentrallineofvisionmeasuredatrightanglestothecentrallineofvisi

17、on(see6.4.1)3.2DefinitionsFthepurposesofthisTechnicalReptthefollowingdefinitionsapply.3.2.1apparentsize:Enclosuressymbolswhichhavedifferentgeometricdimensionsbutwhichneverthelessareperceivedbytheeyeasbeingofthesamesize.3

18、.2.2appropriatenessrankingtest:Aprocedurefplacingsymbolsdesignedfagivenreferentindescendingderofmeritaccdingtotheirconsideredappropriateness3.2.3background:Thatpartofasignimmediatelybehindasymbolwd(seeannexB).3.2.4colour

19、code:Coloursusedsymbolicallytorepresentparticularmeanings(seeIS03864).3.2.5comprehensiontest:Aprocedurefelicitingaresponsefromthepublicwhichenablesmeasurementofthedegreeofcomprehensionoftheproposedsymbols.3.2.6conspicuit

20、y:Thecapabilityofoneentityinthevisualfieldtobemeeasilynoticedthananysurroundinginfmation.3.2.7detection:Theabilityofthevisualsystemtopickoutstimuliinthevisualfield.3.2.8displacement:Distancebetweenthecentreofasymbollocat

21、edinapublicplacethecentrallineofthenmaldirectionofvisionoftheusermeasuredatarightangletothatcentrallineofvision(see6.4).3.2.9enclosure:Thatpartofthesignwhichenclosesthesymbol(seeannexB).3.2.10fieldofapplication:Thecontex

22、tinwhichtheuseofasymboltoconveyamessageisappropriate.3.2.11function:Thepurposeofthesymbol.3.2.12guidelineexample:AedgraphicalinterpretationofthestardimagecontentinthefmofasymbolaspublishedinIS07601.3CopyrightInternationa

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