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4.4.2.5 Class Diagrams for Import Colours FunctionFigure 4.19 on the next page presents the association between classes involved in“Import Colours” use case. The purposes of defining an interface class,InterfaceImportColour which is implemented by another abstract classAbstractImportColour is due to the consideration that import colours function could beenhanced in the future in order to cater for more file formats. Interface class onlyconsists of methods with no code body (implementation of the method) while abstractclass is class which will not be instantiated, instead, its attributes and methods will beinherited or overridden by subclasses with concrete implementation logic. Theprogramming logic of importing and processing spectral data and attributes obtainedfrom the qtx file are all residing inside the ImportQTX class which plays the role ascontrol class. The colourimetric data represented by each colour contained in the qtx filewill be stored as Reflectance object.86
InterfaceImportColourgetName ()getDefaultExtension()doImport (file, template)doImport (stream, template)AbstractImportColourm_Namem_ExtensionAbstractImportColour (name, extension)getName()getDefaultExtension()doImport (filename, template)ReflectanceCondition_APERTURECondition_LIGHTFILTERCondition_SPECULARCondition_MODECondition_AMBIENTTEMPERATURECondition_AMBIENTHUMIDITYCondition_LENSPOSITIONCondition_LAMPUSEDCondition_FLASHESCondition_MEASUREMENTSCondition_AVERAGEALGORITHMType_MEASUREType_NEWLY_RECEIVEDType_RECIPEType_PROFILEDgetSpectrum()setSpectrum()getSpectrumMap()setSpectrumMap()getConditions()setConditions()getSpectro()setSpectro()getType()setType()TranslatorNameImportQTXImportQTX()doImport (stream , template)doImport( filename, template)parseHeader(line)parseData (reader, type, template, cachedKeys)putMap(str, map)revertToDefault(map)Figure 4.19: Class diagrams of import colours function87
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 and 22: Each colour is considered as an obj
Page 23 and 24: SearchColoursobserverilluminantL_va
Page 25: CompareColourscolourEncodingsIllumi
Page 29: 4.5 SummaryUse case driven object-o

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