17/6/2015 DesignStudioInnovationSeriesTopic4:Anat...|SCN

http://scn.sap.com/community/businessobjectsdesignstudio/blog/2015/04/30/designstudioinnovationseriestopic4anatomyofansdkscorecardcom 1/3

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IntroductionInmyblogpost MakingaCaseforaLargerSDKResultSet,IdescribedthescenarioofascorecardcomponentasarealworldexampleofsituationswherealargerresultsetmaybeneededforSDKcomponentsthancurrentlypermitted.Thisfollowonpostisinspiredby feedbackfrom JeroenvanderA.RatherthanreiteratingtheSDKresultsetlimitissue,theintenthereistofocusondesignconsiderationsfordevelopinganSDKscorecardcomponent.AlthoughascorecardcomponentisonthelatestDesignStudioRoadmap,IthoughtitcouldmakeforsomeinterestingdiscussiontoseehowwemightapproachimplementingthisasanSDKcomponent,sincesuchacomponentseemstobeacommonquestionandrequestontheSCN.IwillmakeadisclaimerthoughthatthispostwillnotconcludewithalinktoafullyfunctionalSDKscorecardcomponent(forgiveme ),sincethescopeisonlytoevaluatethedesignconsiderationsandengagethecommunityindiscussionandfeedbackassuch.SettingtheSceneRatherthanstartingcompletelyfromscratch,IcameacrossagoodexamplefromHighChartsthatcouldbeadaptedforreferencepurposes.IhaveeditedtheHighChartsexamplewithmyownsampledatasetasshownbelow:

Alivepreviewisavailablehereandforthosewholiketotinkerthecompletecodeishere.DesignConsiderationsInmyviewthemaindesignconsiderationishowtodefinethelayoutoftheresultsettocaterforthefollowingscorecardrequirements:1)ColumnswithasinglevalueInthescorecardaboveScheduledFlights(CY),DelayedFlights(CY)andAverageDelay(min)representexamplesofsuchcolumns.2)ColumnswithasparklinechartwhichspecifiesafixedsetofdimensionmembersInthescorecardabovetheDelayGroupsColumnChartisbasedon4DelayGroupsacrossthehorizontalaxis:Delay0to14mins,Delay15to29mins,Delay3044mins,Delay4559mins.3)ColumnswithasparklinechartwhichspecifiesadynamicsetofdimensionmembersInthescorecardabovetheDailyDelaysLineChartisbasedonupto31daysrepresentingeachdayofthemonth.Sohowdowebestrepresentthisintheunderlyingdatasourcedefinitionandinitialview?Twopossibilitiesareshownbelow:a)Eachdimensionmemberisdefinedasanindividualmeasureinthecolumns:

DesignStudioInnovationSeriesTopic4:AnatomyofanSDKScorecardComponentADesignDilemmaPostedbyMustafaBensaninSAPBusinessObjectsDesignStudioonApr30,20159:29:17AM

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17/6/2015 DesignStudioInnovationSeriesTopic4:Anat...|SCN

http://scn.sap.com/community/businessobjectsdesignstudio/blog/2015/04/30/designstudioinnovationseriestopic4anatomyofansdkscorecardcom 2/3

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Underthisapproachwewouldmapeachofthemeasurecolumnsintheresultsettothecorrespondingscorecardcolumnwithacolumnindex,eitherindividuallyorbyspecifyingarange.Ithasthebenefitofacompactresultset.NoissuesforthesinglevaluecolumnsortheDelayGroupsparklinecolumnchartwithasmallfixednumberofxaxisdimensionmembers.However,weneedtocreateindividualmeasuresforeachofthe31possibleindividualtimedimensionmembersfortheDailyDelaysLineChartcolumn,whichisnotatypicalapproach.Nowhowdowehandlethescenariowherethenumberofdaysinthemonthvariessothatthesparklinechartdisplayscorrectly?:i)Specifyan"Ignorezerosatend"optionbutthenhowdoweknowifthezerovalueisduetothedaynotexistingorgenuinelyhasazerovalue?Ormaybethisdistinctiondoesn'tmatterincontext?ii)Dynamicallyfilterouttheredundantdaymeasuresattheendbasedonthedaysinthemonth.b)Dimensionmembersarelistedinrowswithacorrespondingsinglemeasureinthecolumns:

Underthisapproach,sincethedimensionmembersarelistedintheresultsetrows,theissueofdynamicnumberofitemsfortheDailyDelaysLineChartistakencareofbutattheexpenseofasignificantlylargerresultset.Additionally,becausewehavemorethenonedimensionacrossthetwosparklinecharts(DelayGroupandDayofMonth),clientsideaggregationwouldberequiredforeachofthecharts,whichisnotidealassuchaggregationshouldpreferablybelefttotheOLAPengine.Sothere'ssomefoodforthought.I'dbeinterestedinanyfeedbackabouttheaboveoptionsandideasforanyotherpossibleapproaches.BlogSeriesIndex: DesignStudioInnovationSeriesWelcome

781Views Categories:SDK Tags:sapzen,business_objects_design_studio,design_studio,design_studio_sdk

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17/6/2015 DesignStudioInnovationSeriesTopic4:Anat...|SCN

http://scn.sap.com/community/businessobjectsdesignstudio/blog/2015/04/30/designstudioinnovationseriestopic4anatomyofansdkscorecardcom 3/3

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IngoHilgefortApr30,20154:05PM

HelloMustafa,tosomedegreesitdependsontheresultsetandsomeproblemsyoucansolveintheresultsetandtheotherhalfdependsonhowgoodtheactualcomponentwasdesigned.Ascorecardispartofourupcomingreleaseaswellbasedontheexampleyoushowinghere(http://www.highcharts.com/demo/sparkline)andweareinthefinaltestingstagesalready.SoIwouldnotnecessarycallita"designdilemma".Inmostscenarioswewillseeyourfirstexamplebeingusedmyopinion.asmentionedthescorecardwillbetheresoon.regardsIngoHilgefort,VisualBI

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MustafaBensanApr30,201511:52PM(inresponsetoIngoHilgefort)

HiIngo,Thanksforthefeedback.Iagreethatoption1isthebestapproachofthetwo,althoughIdon'treallyliketheideaofhavingtocreateindividualmeasuresforeachtimeperiodsincethisisnothowbackendqueriesaretypicallydesigned.Iguessit'sthemostappropriatecompromisefornowthough.Regards,Mustafa.

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MichaelHowlesApr30,20155:41PM

Thiswillremainalocalprojectionand/orresultsetvolumedilemmawhereveracomponentneedstoshowmorethanonelevelofgranularityatthesametime.(Asyouhaveillustratedinyourexample.)Wecouldputthisdilemmatobedifcomponentssupportedmorethanonedatasource,inmyopinion.

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MustafaBensanApr30,201511:38PM(inresponsetoMichaelHowles)

Agreed,Michael.Hopefullymultipledatasourceassignmentbecomessupportedinfuture.

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JeroenvanderAApr30,20156:43PM

Himustafa,themainproblemisthatyougotbasicallyatwodimensionaltablethatneedstobetranslated.InBWwearrangedsomethingswithusingfilteredmeasures,currentperiod,budgetcurrentperiod+anxamountofpreviousperiodsforagraph.AsdiscussedearlierIusedd3.nesttoincludethehierarchicalstructure.bestoffcoursewouldbemultipledatasources.Oratablelikecomponentwhereyoucouldputseveraldifferenttypeofcomponentsineachfield.Eachcomponentcouldholdit'sowndatasource,butthetablewouldrenderarowforeachinstanceofadimensionandautomaticallypassesthatfiltertotheunderlyingcomponentskindaliketheforeachfeatureinD3.Jeroen

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MustafaBensanApr30,201511:43PM(inresponsetoJeroenvanderA)

HiJeroen,That'sveryhelpfulfeedback,thanksverymuch.Withrespecttothe"xamountofpreviousperiodsforagraph",didyouhavetosettheseupasindividualmeasures(asperOption1above),orwereyouabletoachievethedesiredresultbasedonasinglemeasurecombinedwiththetimedimension(asperOption2)?Regards,Mustafa.