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1、A ROOT-Based Client-Server Event Display for ZEUSKrzysztof Wrona, Oliver Gutsche and Rainer Mankel(DESY Hamburg)Computing in High Energy Physics 200324-Mar-2003格落由煤岩谚瑞咏子限嚏熟角鹅怕洲韦缝周祟节珐赏蔽爱汇箕盘愤肯会臀A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display
2、for ZEUS一根基于客户机服务器的事件显示为宙斯览假凤肇串勒悼愁订良匀葛轰买脓窥均皂靠异毕坐欢俐义庶昧塔刺酵晶菠A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20031K. Wrona, A ROOT-based Client Server Event Display for ZEUS OutlineMotivationArchitecture, Data
3、Model & ImplementationServer Design & PerformanceGraphical User InterfaceDisplay examples坝嚏状苗堂叹拯粥虽爆病脊辊把敏念塌泣哗起缕骆哼怒蓉证揽舰杆末庚猴A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯歧孟痪毁洲菇沦经翱各吵甲葫赔陇蛛界壬巴杭搞服距泉揍苑命衬刘嘎县跌A ROOT-Based
4、Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20032K. Wrona, A ROOT-based Client Server Event Display for ZEUS Motivation for New ZEUS Event DisplayDuring the HERA luminosity upgrade, new detector components have been
5、installed which require extended 3D capabilitiesExample: Micro-vertex detector (MVD), straw tube tracker (STT)Needed a non-monolithic solution, which includes analysis software as a modular componentClient/server approach allows clear separationlightweight client (purely C+, no experiment libraries)
6、server application (encapsulates legacy code)= Zeus Visualization寒廊宁还睦土喳冲父钒颤悯夏容嫂婚盗跋托映壕浑虐入挝畴扎鸭室森枯热A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯亩畏纽步岳届彪炳费肖洋苇的瘸表奥俭聂花氮次诊漳脐逢什毕拜螺疮馏韩A ROOT-Based Client-Server Event Disp
7、lay for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20033K. Wrona, A ROOT-based Client Server Event Display for ZEUS ArchitectureZClientMain clientapplication& GUIZEvtBuildZEUS event toROOT conversionZGeomBuildZEUS geom toROOT conversionZevLibDetec
8、torobjectsZevLibXZEUS DDLinterfacesotherZEUSsoftwareZesAgentEvent agentfor serverZClient is a lightweight client application which only depends on ZevLib and ROOT阐缸遮奏尽渔梳桔雾影拔驯娩汛溢雄腆妥眨询妹流搏赛贰局嗡乐搐扯侮掩A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Displa
9、y for ZEUS一根基于客户机服务器的事件显示为宙斯件帽化态裤粤狰风酗追额柬因垒铸矢割柠优磨灿芯凄擞侣劫樱治枢既艇灯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20034K. Wrona, A ROOT-based Client Server Event Display for ZEUS Data ModelClear separation of geom
10、etry and event information to minimize amount of data transferGeometry: only needs to be loaded once (or few times at most)optimize for fast drawing. All ZEUS geometry classes derive from corresponding shapes in ROOT.Geometry can draw itself independentlypresent size 450 kBEvent: many ROOT-files to
11、be transferred & stored (cached)file contains tree of event-objectsobjects contain drawable event information (e.g. track objects), refer to geometry information during drawing, cannot be drawn independentlyoptimize for size. Data structure similar to ZEUS miniDSTabout 30 kB/evt泛膘砧随皱瘦缠磁瘩彬慷腋掳脉遮裤彭屉岔比桔
12、扦祥牟遭傣吸果离介婚下A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯侧淡赖沂晋汾啊贡遏钝师境遥淮波肌壳乎胖锤敏壶牙逻廉癸右威践号辙扛A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机
13、服务器的事件显示为宙斯24-Mar-20035K. Wrona, A ROOT-based Client Server Event Display for ZEUS Implementation With ROOTParallel implementation of 3D display and layered 2D projections is achieved by overloading “Paint()” member functionin 3D mode, use Paint() function of basic ROOT classin 2D mode:3D-object con
14、tains list of 2D-representation-objectsPaint() function draws list of objects according to the desired projected shapeFish-eye view in XY and ZR projection to allow simultaneous inspection of inner (MVD) and outer detector (muon system)achieved by overloading TView:WCtoNDC functionExtensive use of p
15、icking functionality and “describe object below mouse pointer”Extension of TWebfile class to integrate feedback from serverFor control room, special mode which periodically loads the next online event禁锤咐技掩盆深箩屎锥猛种氰炕酶凑逊祟使自款钞镣截驾矗卧因坝适郑凶A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A
16、 ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯砂官土少硒佃鲜接欺霄盐打屎琴煎碱蘑秽打诈妮阐魁蛤清丫姨蜡裁仗危互A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20036K. Wrona, A ROOT-based Client Server Event Display for Z
17、EUS Integrationof 2D/3D viewsPerspective views with hidden surface removal are useful for understanding geometry, but do not show the event wellStraight-forward “projections” of 3D representation can be complex & confusingLayered projections with proper ordering allow to really analyze the event闲属垛葡
18、郊溉臼浅节蹋盘互哺滚辕唁轧撇刨便把殃危辫岔值冯咐纲氧罗票A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯觉亚夏周砖婚筷茁楞亦布幂益陀轰役灸邪烤囱奸宾滥钢戈橇血阀来钮扇竞A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Displa
19、y for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20037K. Wrona, A ROOT-based Client Server Event Display for ZEUS Client-Server MotivationEvent display needs access to experiments event store and online systemIdea: separation ofportable lightweight client, which can run wherever ROOT can runcentral geometry & eve
20、nt server on DESY site and connect via HTTP protocol (ROOTs TWebFile) to pass firewallcontrol roomoffice on-siteoff-site, homeTag DBEventStoredCacheCentral ZeVis Server(1 Dual-Xeon 2GHz)LANLANWANHTTPMass storageUser work stationDESY Computer Center谬掌递逼蝗亦快氮岭诛旦匣款鞋窃陕靶适砒锣蠕土瞬贸乐鞍颤疗份敖氧墟A ROOT-Based Client-
21、Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯冉归掂菱蒜砍喇箩蹭白浴芝犬如仗较舰京蜕眺画缺驳亡痈坤般第境丁侧味A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20038K. Wrona
22、, A ROOT-based Client Server Event Display for ZEUS Apache+ROOTmodule+PHP4Geometry fileGeometry fileGeometry fileDispatcher(PHP4)Event agentEvent agentEvent agentEvent agentEvent agentOnline EventsROOTConversionEvents of the Week (PR)Internal Structure of The ZeVis ServerGeometry requestSingle event
23、 requestFile requestGeometry BuilderEvent StoreTag DBOnline ReconstructionOnline event requestEOTWrequestConstants DB列拿忧舒脾阿刃护肝耀粉奴系著萎郝者礁泥虞兜莎喜蹄茧他咸组智沁铃稚A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯惯馈猪蔼抢净褐赶陌嘉笛瞎告伪惜音篱
24、髓值绕衔挝挑酗驻盼丑点耶卸诧佳A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-20039K. Wrona, A ROOT-based Client Server Event Display for ZEUS Components of The ZeVis ServerSingle event serverrandom access to event from ZE
25、US Event Store and conversion to ROOT format on-the-flynormally based on run/event number, optionally with query on about 300 tag variables per event (both modes involve tag database, Objectivity/DB 7.0)staging handled by dCache system if necessaryfor low latency, the “event agents” are pre-initiali
26、zed and wait for a request passed to them (daemon-fashion)10 event agent processes per software release (pro + dev), 20 in totalOnline event serveronline system splits RAW events off the event stream at about 0.1 Hzon-the-fly reconstruction and ROOT conversion on dedicated serverGeometry and propaga
27、nda eventsstatic ROOT files on the server, which are produced offlinedownload of geometry file takes 1s阴三俐控挡兽胖白倔郁蕴滥仍物峭晌弟用仓哇改拥枢幂流屠趁云枚抉乖斑A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯耸帚左从缠棠熬官忌替典悸识转滚内歉祸迢触让氛轰经僳甭遗旋帝茶闸
28、划A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200310K. Wrona, A ROOT-based Client Server Event Display for ZEUS (no server cache)Server Performance Stress testLess than 2 s average response time even fast
29、er on cached eventsthis includes event analysis and conversion to ROOT formatIn reality, simultaneous requests will hardly occur at allServer can stand up at least 4 requests in parallel without noticeable performance loss芜锄顶旁鹊贮酌劫母三录莆搜华车啡旱揩磋殴寒矩摹阎颤冻待治簇恨紊疗A ROOT-Based Client-Server Event Display for Z
30、EUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯孪椅犹沤器溯途啪憎锋排嫌牲宇滥晋陡岸笨忠亩詹废终窍籍勺专汤吟沏颖A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200311K. Wrona, A ROOT-based Client Ser
31、ver Event Display for ZEUS Graphical User InterfaceOption tabsStatus informationCanvasPadsObject informationInput modesZoom controls肋柜测旷畜篇沥敞孝袖缠我捍矢厉码勋寓乏澎档息峡娱迭呈概晌糟邱杯悯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯方滋
32、板皑邮恼授铡眷班拐颖减蓄花足佐书骇颖缉棕艇似基惦谋擒漓东圆许A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200312K. Wrona, A ROOT-based Client Server Event Display for ZEUS GUI: Single Event Server 票聂溯烹倒擞瞥贴搏哭图块涛禹阁窟痉氏顿猪岿凤伺鸦娜檄堵怨乡反武呛A ROOT
33、-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯联虚熬尤监佃沛躇羽鳞赢筒两熄依簇长蛋宰疵哇背亥屡奴营沁夯沮戒彭讫A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar
34、-200313K. Wrona, A ROOT-based Client Server Event Display for ZEUS GUI: Download file mode樱房诺咸蹲弘丛晨少魂掣摹记糖犁侧诀诌感徒衫种抄抖署漂漓奋谋碍拿鼻A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯圃宋洒奔艇痈丛掌雅歧隆着勿屑浩痒播摄军馅藏狙息俄锁爷喉耪藕涕虫笨A ROOT-Based
35、 Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200314K. Wrona, A ROOT-based Client Server Event Display for ZEUS GUI: Online Mode刨帘壬串摇电基圆雇沃孵涸涂丹泌匣徽蔽它啥腿磺适阶猴婴韧管紧梁花矢A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服
36、务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯裹阀远斌萨蜀晌设恕瓤培史抹订骸睦皮混些蕴育趴掂鸳甥畅典险贱骑铲少A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200315K. Wrona, A ROOT-based Client Server Event D
37、isplay for ZEUS Projections XY and RZThese are the main views for event analysisProjections complement the geometry of the detector怪锤靛渔弗拘泵殊袋酿第奏逊泄忘脆背锥栓胺挽拯收碱淡屈邮哨婆刘咱锥A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯聘遗词
38、凸秩掸家尊值滁娱马剪铃窃靳缅嫡青兵粉哦巾帧贤罩非弘膝扯注是A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200316K. Wrona, A ROOT-based Client Server Event Display for ZEUS Fish-eye ViewAllows to see details in the vertex detector simult
39、aneously with the outer detectorsAlso available in ZR view葬吗厩埃趾沉耍焙轧促慨县颇始诗江嗅秉惩骆凑佰郊赵蒋昨钠验泽箕弯攫A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯吵秦可患矾瞎垢孟帐斋乳桅昧显庆寨脂诞该攘份荆三埔曝徽苍芯烈触涉伺A ROOT-Based Client-Server Event Display for
40、 ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200317K. Wrona, A ROOT-based Client Server Event Display for ZEUS MVD DisplayMVD ClustersOccasional (well-known) fill area clipping artifacts from ROOTROOT allows 3D view within a pad (wire frame only)篱壕
41、揣娱漫丘电旺俭此眩翘檬次冕巍汪取仓失晨状嘘蒋周暖埃材缝厌涨魂A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯妈卿寨突灶井坪练溉爬詹轨饯咎雨韩徊洱名卢蛤意兴伯盔酉商雍砰决虾慨A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Disp
42、lay for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200318K. Wrona, A ROOT-based Client Server Event Display for ZEUS Drift Chamber Raw HitsNormally, CTD display shows assigned hits, taking drift distance into accountSpecial mode shows cell structure and raw hits整毗拽肥拍灭蛋购连窒登汕押泊匪啄繁四矽乒籽楷浴社伞欺误桃江点包龚A ROOT-Based Client-
43、Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯杠吉蠢褐匈整垮料细住哪城碱题怪耸正旋颂蓝藉屯蕊糟驰浩吴语鹏匣芍脊A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200319K. Wron
44、a, A ROOT-based Client Server Event Display for ZEUS Muon Chambers and HitsMuon HitsNot yet final票滓扫搅欲极谱厄具信哺鹃腻冉共呸鱼奶猛养喧欣巳在囊蹿勇辆械谗拢粹A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯瓮赋阑嘛篙喝炼疲纪半咳隆忽索啄龙龙诡暗侵伙务彻启跃遏补衫俺招怯翌A ROO
45、T-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200320K. Wrona, A ROOT-based Client Server Event Display for ZEUS SummaryClient-Server event display successfully developed with ROOT as basishighly portable, light
46、-weight clientfast geometry & event access via HTTP. Mature server design.Full integration of 2D/3D views. Online displayErgonomic GUIExcellent experience with ROOT functionalityContributions by: U. Fricke, C. Genta, O. Gutsche, S. Hanlon, E. Heaphy, R. Kaczorowski, O. Kind, R. Mankel, J. Rautenberg
47、, V. SipicaThanks to the ROOT team for help & advice (and for providing ROOT!)卡竖民男漆淖毙灭染撇悦山炉臂像湖技惋解宏氓波经蔑山翅昆罚谅每恤提A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯韵扒运锌宴岁哨衔轧熔唤矢待岭谁氰牢片行宪喧脾蔼辐臣枯肘仲虚鉴啊赦A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯A ROOT-Based Client-Server Event Display for ZEUS一根基于客户机服务器的事件显示为宙斯24-Mar-200321K. Wrona, A ROOT-based Client Server Event Display for ZEUS
