design studio innovation series - topic 6_ geo maps

17/6/2015 DesignStudioInnovationSeriesTopic6:Geo...|SCN

http://scn.sap.com/community/businessobjectsdesignstudio/blog/2015/06/01/designstudioinnovationseriestopic6geomapspartifeaturereview 1/16

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IntroductionOneoftheexcitingandlongawaitednewfeaturesintroducedinDesignStudio1.5istheGeoMapcomponent.AfterhavingtrieditoutIthoughtI'dsharemyexperiences.Imustsaythatforafirstversion,Ithinkit'sprettyimpressiveintermsofcapabilitiesandalsoquiteeasytouse.IthascertainlyexceededthestandardmappingcapabilitiesinXcelsius.ScenarioI'llbedescribingtheGeoMapfeaturesinthecontextofaBWBExexamplerelatedtoUSairlineontimeperformancedataincludingairportlocationsandstatisticssuchas%WeatherDelayand%DelayedFlights.ConfigurationTheGeoMapcomponentallowsinteractivemapstobeincludedinanapplication,consistingofshapesandmarkersoverlaidontoabasemap.I'lldescribetheprocessintermsofmyscenario.Afterdesigningtheapplication,myworkspacelookslikethis:

StandardProperties

ThemostimportantstandardpropertyistheBasemapURL.TheGeoMapcomponentdefaultstotheopensourceOpenStreetMaptileproviderasshownbelow.YouarefreetouseyourowntileproviderbutIfoundOpenStreetMapquitesufficientformypurposes.Otherpropertiesincludethebasemapcreditandlegendvisibility.Youcanalsotriggerinteractivitybasedonthe"OnSelect"eventofthemap.

DesignStudioInnovationSeriesTopic6:GeoMapsPartIFeatureReviewPostedbyMustafaBensaninSAPBusinessObjectsDesignStudioonJun1,20156:26:20PM

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AdditionalProperties:

Thisisthefunpart!Intheadditionalpropertiesyoudefinethelayersforyourmap.Thereare3typesofGeoLayers:

ShapesLayersforoverlayingshapesbasedonGeoJSONfilesPointsLayersforoverlayingmarkersforspecificgeolocationsChartsLayersforoverlayingbubblesbasedonaspecificmeasure

Eachlayermustbeassignedadatasource.Datasourcescanbereusedacrosslayers.Inmyexample,Imanagedwithjusttwodatasourcesasshownbelow:

Thefirstdatasourceincludesageodimensionwithlatitudeandlongitudeattributesaswellasmeasures.ItisusedinPointslayersandChartslayers.

EachdatasourcemustcontainonlyonegeodimensionintherowssectionoftheInitialView.ForPointsandChartslayers,thegeodimensionshouldideallyincludethestandardBWlatitudeandlongitudeattributes,otherwisetheyneedtobedefinedasmeasuresinthecolumnssectionoftheInitialView.Inmyexample,IpreferredtousethestandardBWattributesasshownbelow:



TheseconddatasourceisusedforShapeslayerstoassignUSFIPS(FederalInformationProcessingStandards)statecodestothecorrespondingpolygonrepresentingthestateintheGeoJSONfile.Longitudeandlatitudeattributesarenotrequired.



ToillustratethedifferentusecasesfortheGeoMapfeaturesIhavedefined5differentlayersasfollows:

1.USAirportLocationMarker

ThislayerisoftypeMarker.Thereforeitrequireslatitudeandlongitudegeodimensionattributes.YouwillnoticethatthereisnofieldtoexplicitlyreferencethegeodimensionherebecauseonlyonecanbedefinedinthedatasourceInitialView.Forthisexample,thegeodimensionondatasourceDS_1istheOriginAirportwhichwillbeplottedwithamarkerbasedonthelongitudeandlatitudecoordinates.Finally,amarkercolourmustbeselected.2.USAirportLocationBubble

ThislayerisoftypeChart.Atthemoment,theonlygeocharttypeavailableisabubblechart.Thesizeofabubbleisproportionaltothevalueoftheselectedmeasure,whichinthiscaseisthe%WeatherDelay.ThebubblesarecentredonthegeolocationoftheairportbasedontheassignedlatitudeandlongitudeindatasourceDS_1.InthiscaseaGeoJSONfileisnotspecifiedbecausewejustwanttodisplaybubblesatthegeolocationswithouttheneedforsuperimposingthemonshapes.ThereforetheMappingPropertyandMappingTypearenotrelevanteither.

3.USStateBubble



ThislayerisalsooftypeChart,likethepreviousone.Animportantdifferencehoweveristhatlatitudeandlongitudeisnotreferenced.Instead,acustomGeoJSONfileisspecifiedtodefineshapes(polygons)thatcorrespondtoUSstates.EachstatepolygonintheGeoJSONfileincludesproperties,oneofwhichcanbelinkedviatheMappingPropertyandMappingTypetosupportinteractivityviathe"OnSelect"eventoftheGeoMapcomponent.ThedimensionlinkedtothestateshapeisautomaticallyderivedfromdatasourceDS_2sinceitincludesonlyonegeodimension.

Itisworthnotingherethatwhenthelatitudeandlongitudearenotspecified,thebubblewillbecentredinsideitscorrespondingshape,inthiscasethestate.4.USStateChoropleth

ThislayerisoftypeShape.Intheexample,thespecifiedGeoJSONfiledefinestheUSstates(asbefore)withthecorrespondingdataassociationviatheMappingPropertyandMappingType.Additionally,inthiscase,theStartColorandEndColorpropertieshavebeendefinedsothattheresultingoutputisintheformofachoroplethmap,withthecolourgradientbeingbasedonthechosenmeasure,%WeatherDelayfromdatasourceDS_2.

5.USStateAnalytic

Thislayeristhesameasthepreviousonebutasinglecolourisspecifiedinsteadsothattheoutputisinthe



formofan"analyticmap"(likethoseinXcelsius).Inthiscaseitmaybeappropriatetohidethelegend.Sincethereisnocolourgradient,theselectedmeasureisarbitrary.

InteractivityviaScripting

Todemonstratethedifferenttypesofeffectsthatcanbeachieved,Ihaveincludedaconfigurationsidebarthatallowsthevisibilityofthebasemaptobetoggledanddifferentcombinationsoflayerstobeselected,asshownbelow:

The"OnSelect"eventscriptofthebasemapvisibilityradiogrouphasbeendefinedasfollows:

HerethesetMapUrl()methodshowsthebasemapbysettingthemapURLtothedefaultURL(inthiscaseOpenStreetMap),orhidesthebasemapbyspecifyinganullURL.

The"OnSelect"eventscriptofthelayerselectioncheckboxgrouphasbeendefinedasfollowstocontrolthedisplayofthelayers:

Furthermore,todemonstrateanexampleofdrillingdowntoadditionalinformationbasedonselectionofanareaofthemap,thescriptbelowdisplaysachartrankingtheairportswithinthechosenstate:

ItisrecommendedtoexecutethegetSelectedLayer()andgetSelectedMember()methodstogetherforbestresults.Intheaboveexample,thememberreturnedisthestatekeybasedonthelayer'sGeoJSONMappingProperty.

CustomGeoJSON

GeoJSONshapefilesareusuallyusedtooverlayregions.Theyarereadilyavailableontheinternet.Forthisexample,IobtainedaUSStatefilefromthelinkGeoJSONandKMLDatafortheUnitedStates(gz_2010_us_040_00_500k.json).Alternatively,theycanbecreatedfromothersourcessuchasNaturalEarthusingtoolssuchasthefollowing:

MyGeoDatamapshapergeojson.io

01. varbaseMapVisibility=me.getSelectedValue()02. if(baseMapVisibility=="showBasemap"){03. GEO_MAP.setMapUrl(basemapURL)04. }05. else{GEO_MAP.setMapUrl("")}

01. varselectedMapLayers=me.getSelectedValues()02. varallMapLayers=mapLayers.split(",")//Convertmaplayerstringtoarray03. //Hideallmaplayers04. allMapLayers.forEach(function(mapLayerID,index){05. GEO_MAP.setLayerVisible(mapLayerID,false)06. })07. //Displayselectedmaplayers08. selectedMapLayers.forEach(function(mapLayerID,index){09. GEO_MAP.setLayerVisible(mapLayerID,true)10. })

01. varselectedLayerID=GEO_MAP.getSelectedLayer()02. varselectedState=GEO_MAP.getSelectedMember("ZOSTFIPS")03. varselectedStateKey=selectedState.internalKey04. varselectedStateText=selectedState.text05. if(selectedLayerID=="US_STATE_BUBBLE"||selectedLayerID=="US_STATE_ANALYTIC"||selectedLayerID==06. DS_1.setFilter("ZOSTFIPS",selectedStateKey)07. DS_1.sortByMeasure("006EIC2OSTY2YB663A5R7IE8Y",false)08. FIORIAPPHEADER_PAGE_2.setTitle(selectedStateText+"%DelayedFlightsrankedbyAirport")09. PAGEBOOK_GEOMAP.setSelectedPageByName("CHART_PAGE")10. }



LikeCSSfiles,GeoJSONfilesmustbeplacedintheapplicationrepositoryfoldertobeaccessiblewhendevelopinginlocalmode.

Screenshots

ThescreenshotsbelowillustratedthecapabilitiesofthenewGeoMapcomponent:

ThedefaulttileproviderOpenStreetMapisquitesuitableformanyusecasesinmyopinion.



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ConclusionHopefullythisbloghasprovidedausefuloverviewofthemainfeaturesavailablewiththenewGeoMapcomponent.Ithinkit'sacomprehensiveadditiontoDesignStudiothatcanmeettherequirementsofmanytypicalusecases.It'scertainlyaverysoliddebutforgeomapping.IplantofollowthisupwithPartII,whichwillexploretheuseoflayersforimplementingdrilldownfunctionalitythroughdifferentlevelsofmaps.Inthemeantime,I'dbeinterestedinyourthoughtsabouttheGeoMapcomponentandexamplesofusecasesyou'dliketoaddressforyourownbusinessrequirements.Commentsandquestionsaremostwelcome.BlogSeriesIndex: DesignStudioInnovationSeriesWelcome

2043Views Categories:Scripting,BW,HANATags:xcelsius,dashboards,dashboard,dashboard_design,sapzen,business_objects_design_studio,design_studio,

businessobjects_design_studio,designstudio,dashboard_design_xcelsius

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31Comments

MichaelHowlesJun1,20157:14PM

Greatoverviewshowcasingallofthemappingcapabilitiesin1.5,Mustafa.ImustagreethatSAPexceededmyexpectationswhenitcametomapping.Notonlyaretheysupportingopenendedtileproviders(OSM,Mapbox,Stamen,Mapbox,MapQuest,etc)butalsomultiplelayersbasedonGeoJSON,they'vecoveredprobablynearlyeverythingofwhatmostcustomerswouldbelookingforforabaselinemap.



Like(1)

MyonewishlistitemisforlatitudeandlongitudetobesupportableasaDimensionratherthanaMeasure/Attribute.I'mpuzzledwhyitwasexcludedbutnevertheless,thisisquiteminor.Also,toreinforcemaptilevariety,belowisanexampleshowing2MapBoxtileset,andaStamentilesetonthebottom:EDIT:Lookslikeitwon'tletmeuploadpicsincommentsforsomereason...

Like(0)

BrentKastorJun1,20158:31PM

Looksgreat!IamnewtoSAP,buthave17yearsexperienceinGISusingprimarilyEsriproducts.DoyouknowofanyEsriintegrationswithSAPDesignStudio?Thanks!Also,wehavemultipletypesofshapeswewouldliketodisplaywithinthemappoints,lines,andpolygonsdoyouknowifthesearesupportedIseepointsandpolygonsbeingsupported?IwouldsupposewiththesupportofGeoJSON,theGeoMapwouldbeabletodisplaylinetypedataaswell?

Like(1)

MichaelHowlesJun1,20158:41PM(inresponsetoBrentKastor)

Brent,ESRIsupportseemslimitedtotheirslippymaptiles.Shapesarelimitedtodatadrivenplotmarkers,bubbles,andGeoJSONshapeoverlaysthatareshadedbasedonalinearcolorscalebasedonMeasurevalues.I'venotseenanabilitytoplotlinessuchasbetweenDepartureandArrivaldestinations,etc.

Like(1)

VincentDechandonJun1,201511:29PM(inresponsetoBrentKastor)

HiBrent.ThecompanyIworkfor(Ican'tputthenamerightthereforSAPSCNrulesreasons,clickonmyprofiletoseethecompanyname)hasalreadyreleasedaLocationAnalyticsComponentthatfityourneeds.It'scompatiblewithEsriServer/Onlinev10.0ormore,aswellasGeoJSONandTopoJSON.Stillonmyprofile,you'llbeabletofindacompleteblogImadeabouttheextensionI'mtalkingabout.Ifyouareinterested,feelfreetosendmeaprivatemessageandIwillbeabletoprovideyouthelinktodownloadtheextension.Br,Vincent

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MustafaBensanJun6,20153:31AM(inresponsetoBrentKastor)

HiBrent,ApartfromtheESRItileproviderthatMikementioned,Idon'tbelievethereisaDesignStudioaddonlikethereisfortheDashboards(Xcelsius)product.Also,asMikehaspointedout,IwouldexpectanykindofshapesinGeoJSONformattobesupportedbutthereisn'tamechanismtodynamicallyplotshapesotherthanlocationmarkers.Inmyexampledataset,IhaveDepartureandArrivallocationinformation.Iwouldthinkthatitshouldbetechnicallyfeasibletointroduceanewlayertype,"line",whichacceptedtwogeodimensionsinsteadofoneforsuchapurpose.PerhapswemayseethisasanenhancementinafutureversionoftheGeoMapcomponent.Alternativelyyoucouldconsiderevaluatingamorespecialised3rdpartymapsaddonforDesignStudio.Youmentionedthatyou'renewtoSAP.I'dbeinterestedtoknowaboutthepotentialusecasesforgeomapsthatyouhaveinmindforDesignStudioifyou'reabletosharethem.Regards,Mustafa.

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VincentDechandonJun1,201511:29PM

Greatintroductiontothisnewfeature,itgivesagoodoverviewofwhatcanorcannotbedone.Br,Vincent

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DeepuSasidharanJun2,20151:05AM

HiMustafa,Greatintroandwellthoughtthrublogasusual!Lookingforwardtothenextpart.Deepu



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JeroenvanderAJun2,20159:26AM

ThanksMustafa,thatisagoodread.Jeroen

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MustafaBensanJun8,20154:19AM(inresponsetoJeroenvanderA)

Thanksforyourfeedback,Jeroen.

Ifyouareabletoshare,I'dbeinterestedtoknowwhattypeofdemandandusecasesforgeomapsyouareseeingfromcustomersandyouropinionoftheextenttowhichsuchusecasescouldbemetwiththestandardfunctionalityofthenewGeoMapcomponentinDesignStudio?Also,whatenhancementstothiscomponentdoyouthinkareneededtofullyaddressgeomappingrequirementsfromcustomers?

Regards,

Mustafa.

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RolandWeygoldJun5,201511:13AM

HiMustafa,Thanksfortheclearintroduction!Onequestion:isitpossibletodeterminethevaluerangesandassociatedcolorsinthechoroplethmaps,ratherthanhavingadefaultscalefromlowesttohighestvalue?Thanks,Roland

Like(0)

MustafaBensanJun5,201511:35AM(inresponsetoRolandWeygold)

HiRoland,Gladitwashelpful.Unfortunately,itdoesn'tlooklikethere'sanyoptiontodefinecustomvaluerangesforthecoloursinachoroplethmap.Ifso,IwouldhaveexpectedtoseethisintheLayerdefinitionoftheAdditionalPropertiesSheetbutit'snotthere.YoucouldsuggestitintheDesignStudioIdeaPlace.Regards,Mustafa.

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RolandWeygoldJun6,201512:01AM(inresponsetoMustafaBensan)

HiMustafa,Thanksforswiftreply.IwillcheckoutthecustomcomponentprovidedbyRyanbeforeaddingtothe"IdeaPlace".

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MustafaBensanJun6,20151:47AM(inresponsetoRolandWeygold)

HiRoland,Yes,definitelycheckout MikeHowles' ChoroplethMapcomponentasmentionedbyRyan,whichhadslippedmymind.Ithasquitecomprehensiveconfigurationoptionssoislikelytoaddressyourrequirementforcustomcolours.Regards,Mustafa.

Like(1)

RyanWJun5,201511:13PM(inresponsetoRolandWeygold)

Isthishelpful?

http://scn.sap.com/community/businessobjectsdesignstudio/blog/2015/03/20/sapdesignstudiosdkchoroplethmapsrefinedpart3

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RolandWeygoldJun6,201512:02AM(inresponsetoRyanW)

HiRyan,ThisappearstobejustwhatIwaslookingfor:)willcheckitout!Thanks,Roland

AlexanderCrollJun9,201512:45AM



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HiMustafa,thanksforyourblog,helpedmeoutagreatdealofunderstandingthisnewcomponent!Ihaven'tworkedmuchwithmapsyet,butIwouldliketohaveabasemapofEuropewhichIcanthenoverlaywithacorrespondinggeojson(choropleth)ofEurope'scountries.Ihavethegeojsonfile,butnoideahowtogetthemaptoonlyshowEuropeuponstartup.>CanIsetthezoomsomehow?>How/whereexactlycanIgetabasemapurltoreplacethedefaultone?(Ihavesearchedforthisbutcouldn'tfigureitoutbymyselfsofar)Thanksalot!CheersAlex

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MustafaBensanJun9,20152:26AM(inresponsetoAlexanderCroll)

HiAlex,I'mgladyoufoundthebloghelpful.Youaskaverygoodquestionandit'soneI'vebeenlookingintoformyfollowupblogpost.OneapproachwouldbetodynamicallysettheparametersofthedefaultbasemaptozoomtotheUS.AcustombasemapURLcanbesetwiththesetMapURL()method.ThedefaultOpenStreetMapbasemapURLfortheGeoMapcomponentisasfollows:

http://otile1.mqcdn.com/tiles/1.0.0/map/{LOD}/{X}/{Y}.pngWeneedtoderivethebasemaptilenameattheappropriatezoomlevel(fortheUSinyourcase).However,itturnsoutit'snotassimpleasjustsettingthezoomlevel,latitudeandlongitude.There'saninterestingmathematicalcalculationtodeterminethetilename.AnalternativecouldbetofindaUSonlybasemapprovider(asyou'vesuggested).OneexampleI'vecomeacrossisTheNationalMapfromtheUSGS(USGeologicalSurvey).IfyoucanwaitalittleIplantopostablogonthesubjectwithmyfindingsthisweek.Regards,Mustafa.

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AnthonyPattersonJun9,20156:06PM(inresponsetoAlexanderCroll)

HiAlex,HaveyoutriedusingthecenterMap()scriptingfunction?Thiswillzoominonanareainthemap.E.g.ifyouhaveonlyEuropeancountriesinLAYER_1,youcouldcallthismethodonstartupanditwouldzoominonEurope.Anthony

Like(1)

MustafaBensanJun9,20157:11PM(inresponsetoAnthonyPatterson)

HiAnthony,IhaveexperimentedwiththecenterMap()methodbutitdoesn'tseemtooptimisethezoomleveltotheshapelayerandalsoissuesintermittenterrorssuchas:"ThemapURLcouldnotberesolvedcheckvalidityofURLhttp://otile1.mqcdn.com/tiles/1.0.0/map/2/4/1.png"

Regards,

Mustafa.

Like(0)

AnthonyPattersonJun10,201510:24AM(inresponsetoMustafaBensan)

HiMustafa,CentringonthewholeUSmaybedifficultbecausetheAleutianIslandsextendontotherighthandsideofthemap.Europeshouldworkbetter,especiallyifyoucanfindshapesthatexcludeoverseaspossessions.ItshouldbeokwithUSStatestoo,ifyouexcludeAlaska.Anthony

AlexanderCrollJun10,20157:04PM(inresponsetoAnthonyPatterson)

HiAnthony,Mustafa,thanksforyourreplies!



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IdidtrythecenterMap()methodanditactuallydoesthetrick,butnotaseasilyasonemaywish.ItseemstocenterthemapbasedonthegivenvaluesfrommyLayer.SoforexampleifIhavevaluesforFrance,SpainandGermany,themapwillbecenteredbasedonthesecountriesandnotentireEurope(scandinaviancountriesareonlyhalfvisible,EasternEuropeancountriesalsolessvisible).Excludingoverseasterritoriesdoesalsohelp!However,themethodcauseserror(sameastheoneMustafadescribed)whentryingtozoomintocountriesthatareclosetotheedgeofthebasemap.ThishappensparticularlyforNorthAmerica,becauseAlaskaandCanadaaresoclosetotheedgeofthemap.SouthAmerica,AfricaorAsia(notsureaboutNZ/OZ)worksfine,becauseyouhavethe'buffer'oftheAntarctis...Doyouguysknowofabasemapthathaslargeredges(i.e.NorthAmericanotsoclosetotheedgeofthebasemap)?Thanks!Alex

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MustafaBensanJun10,20158:26PM(inresponsetoAlexanderCroll)

HiAlex,Ifmyunderstandingofworldbasemapsiscorrect,Isuspectthatalltileproviderswillhavethesame/similaredgessimplybecausethespacingisbasedontheactualgeographicdata.RegardingtheintermittentzoomingerrorwithcenterMap()(whichalsooccurswithnormalmapnavigationwhennotusingcenterMap()bytheway),I'minclinedtothinkthatthisisabugwiththeGeoMapcomponentitself.AsIunderstandit,theGeoMapcomponentpopulatesthethreebasemapURLparamatersdynamicallyforcenterMap()andnormalzooming.ItseemstomethattheerroroccursbecausetheGeoMapcomponentdoesnotalwayscorrectlycalculatetheparameters.Regards,Mustafa.

Like(1)

MichaelHowlesJun11,201512:17AM(inresponsetoMustafaBensan)

It'salmostlikeasaworkaround,youcreatealayerthathasonGeoJSONfeaturethatisasinglesimpleboxthatrepresentstheboundsofyourintendedzoomedviewport,andusethatasthelayertodoyourcenterMapzooming,andreservetheotherlayer(s)fortheactualvisualizations.Maybeitwouldwork,I'llhavetotryitlater.

Like(0)

MustafaBensanJun11,20155:26AM(inresponsetoMichaelHowles)

That'sagoodsuggestionwhichcertainlysoundslogical.Otherwiseyou'dhavetotrytogetfancybydynamicallysettingthethreeparametersofthebasemapURL,whichI'vebeenmeaningtoexperimentwithbutI'msurethatwillhaveitsownchallengesaswell.

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AnthonyPattersonJun11,201510:50AM(inresponsetoMichaelHowles)

Ifyouwanttomakealayerinvisible,butstilluseitwithcenterMap(),thetrickwouldbetotogglethevisibilityusingCSS.

AnthonyPattersonJun11,20159:36AM(inresponsetoMustafaBensan)

HiMustafa,You'recorrect.ThereisabugwithcertaintilecalculationswhichwillfixedinSP1.



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Anthony

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MustafaBensanJun11,201510:17AM(inresponsetoAnthonyPatterson)

HiAnthony,Thanksforconfirmingthat.It'sgoodtoknowtheissuewillbeaddressedinSP1 .Mustafa.

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JeroenvanderAJun11,201511:01AM

anotherthought:sinceHANASP9hasalltheGEOfunctionalities.WillwebeabletodirectlyconnecttoHANAviewsthatholdtheGEOdata?Jeroen

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AnthonyPattersonJun11,201511:13AM(inresponsetoJeroenvanderA)

Withsomelimitations.E.g.I'vebeenabletocreateaspatialjoininacalculationviewandseetheresultsinDesignStudio,butreturningthespecialspatialdatatypes(e.g.ST_Geometry)doesn'tworkwell.

Like(1)

RyanGoodmanJun12,201510:32AM

AwesomearticleMustafa.Haveyoutriedthrowingabunchofdatapointsatittoseewhatkindofperformancecanbesqueezedoutinbrowserandmobile?

Like(0)

MustafaBensanJun12,20153:39PM(inresponsetoRyanGoodman)

ThanksRyan.InmyexampleIhave300datapointswhichperformswellonthedesktopbrowser.Ihaven'ttriedonmobileyetbutwilldoso.

design studio innovation series - topic 6_ geo maps

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