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4.4.2.3 Class Diagrams for Search ColoursIn section 4.4.1.3, the researcher has identified three classes, which are SearchColourUIclass, SearchColour class and ColourObject class from the point of view ofcollaboration between classes.After considering the factor of colour physicsmathematics, these three classes are being refined and replaced with a set of new classesas shown in figure 4.16 in order to better reflect the nature of colourimetric calculation.SearchColourUIReplaced bySearchColourSearchColourReplaced byColourSearchIndexColourObjectReplaced byReflectanceSpectrumFigure 4.16 :Evolution of class diagrams for search colours use caseFigure 4.17 on the next page presents the association between classes involved in“Search Colours” use case. ColourSearchIndex class represents a point and radius thatdefines a sphere in a particular colour space. The set of points enclosed by this spherewill contain all the CIELab values for a particular reflectance under differentcombination of illuminants and observers.When a colour search query is made with a given CIELab value and delta E value, theset of points defined by the query will be compared to this set of points and if they areintersecting or overlapping, there is a possibility that this reflectance will meet thesearch criteria.82
SearchColoursobserverilluminantL_valuea_valueb_valuedE_valuereflectanceSearchColours()getObserver()setObserver()getIlluminant()setIlluminant()getA_value()setA_value()getB_value()setB_value()getB_value()setB_value()getDelta_E()setDelta_E()get_Reflectance()ColourSearchIndexreflectanceL_valuea_valueb_valueradius_valueColourSearchIndex()getL()geta()getb()getRadius()getReflectance()setL()seta()setb()setRadius()setReflectance()IlluminantsIlluminantsACCWFD50D55D65D75DaylightDeluxeF2F7F12TL83TL84U30SpectrumStartWaveLengthIntervalValuesSpectrum(start, interval, values)Create (start, interval, values)getLongestWavelength()getShortestWaveLength()getInterval()getValues()ReflectanceCondition_APERTURECondition_LIGHTFILTERCondition_SPECULARCondition_MODECondition_AMBIENTTEMPERATURECondition_AMBIENTHUMIDITYCondition_LENSPOSITIONCondition_LAMPUSEDCondition_FLASHESCondition_MEASUREMENTSCondition_AVERAGEALGORITHMType_MEASUREType_NEWLY_RECEIVEDSpectroType_RECIPEType_PROFILEDSpectrumMap: SortedMapSpectrumConditionsFigure 4.17: Class Diagrams for Search Colour83
Page 2: 4.3.1 Use Case DiagramTo understand
Page 5 and 6: Use CaseGoal in ContextPrecondition
Page 7 and 8: Use CaseGoal in ContextPrecondition
Page 9 and 10: Alternative flows andexceptionsa) A
Page 11 and 12: 4.4 Use Case RealizationThe activit
Page 13 and 14: 4.4.1.1 Initiate User Session Colla
Page 15 and 16: 4.4.1.3 Search Colours Collaboratio
Page 17 and 18: 4.4.1.5 Import Colours Collaboratio
Page 19 and 20: 4.4.2 Class Diagram4.4.2.1 Class Di
Page 21: Each colour is considered as an obj
Page 25 and 26: CompareColourscolourEncodingsIllumi
Page 27 and 28: InterfaceImportColourgetName ()getD
Page 29: 4.5 SummaryUse case driven object-o

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