Solved: Thorlabs camera acquisition - NI Community

Solved: I got a very complex Labview software that I have to customize, and I'm finding it very hard - I'm not a LV expert at all. ReturntoHomePage Togglenavigation Solutions Howwethinkaboutsolutions Wecreatesolutionswithyoutailoredtoyourindustryneeds. 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Showingresultsfor  Searchinsteadfor  Didyoumean:  TopicOptions SubscribetoRSSFeed MarkTopicasNew MarkTopicasRead FloatthisTopicforCurrentUser Bookmark Subscribe Mute PrinterFriendlyPage AllForumTopics PreviousTopic NextTopic Thorlabscameraacquisition Solved! Gotosolution Thorlabscameraacquisition alzyx Member ‎08-14-2018 07:01AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator Labels: LabVIEW IgotaverycomplexLabviewsoftwarethatIhavetocustomize,andI'mfindingitveryhard-I'mnotaLVexpertatall...Idon'tknowifitispolitetoaskforhelpinsuchacomplicatedcase,becauseIdontknowhowtoreducetheproblemtoasimplequestion,buthereitgoes... ThesoftwareiffreetodownloadfromThorLabs(link)andisusedtodrivetheirScientificCamera. WhenyouinstallitandinstalltheSDK.zipandLabView.zipexamples,youhaveamainprogramTLCameraMain.vi drivingthecamera. FromwhatIunderstand,afterinitializationandstartofacquisition,thecameraimagesare continuouslyshowninapicturecontrol,whileanEventstructurekeepswatchofuseractions(stopbutton,changeofexposureparameters...).   Ineedtoperformanaction(calculationofaveragebrightness)oneachimage,butforthelifeofmeIcouldnotfindaneventloopwheretheimagesaresequentiallyobtained...itmustbeinsomesubVI. SoIthoughttoaddanEventCase,activatingonthe"FrameNumber"valuechange. MyproblemisthattheCaseneveractivates,evenifthe"FrameNumber"valuekeepsonincreasing,asshownintheprogram.   AsIsaid,sorryifIcannotbeclearer-Ihopesomebodycanmakesenseofit   Solved! GotoSolution. TLCameraMain.vi‏188KB 0 Kudos Message1of10 (3,920Views) Reply Re:Thorlabscameraacquisition Bob_Schor KnightofNI ‎08-14-2018 07:43AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator ThorlabsmakescamerasthatarecompatiblewithLabVIEWandtheirVisionDevelopmentModule(which,Ibelieve,requiresanadditionalNILicense). ThesoftwaretheyprovidedisdesignedfortheLabVIEWdevelopertomake fulluseofalltheBellsandWhistlesThorlabprovidestotweakallofthesettingsandparametersoftheircameras. Toputitanotherway,itistohelpthosewhoalreadyknowLabVIEWandLabVIEWVisiongetstartedwiththeirhardware.   Inyourcase,however,you(probably)wanttodosomethingsimpler--usetheCameratogatherImagesanddocalculationsonthoseimages. YoumayormaynotcarewhetheryoudothisusingLabVIEWorsomeotherplatform(Matlab? C++?)thatcan"hook"intotheThorlabs SDKandallowyoutoacquireanddocertainanalysesontheImages.   IfyouhaveLabVIEWinhouse,andalsohavethelicense(s)fortheVisionDevelopmentModuleand(optionally)theVisionAcquisitionSoftware(NI'sDeviceDriver),IwouldtalktoyourLabVIEWDevelopersanddiscussdevelopingIMAQ/IMAQdxcodetoacquireandprocesstheImagesyouneed. Myguessisifyougothisway,you willbeusingthe"comprehensive"(andlargelyredundant)routineyouposted(thanks,bytheway,fordoingthat!!)asareferencetopulloutjusttheminimumyouneedforyourapplication.   Irecommendthatyoutrytodevelopadocumentdetailingwhatyouwanttodo. DescribetheCamera,theparametersyouneedfordataacquisition(FrameRateifVideo,Acquisitionrateif"Time-Lapse"individualimages),how(oreven if)youplantosave/storetheImages,theformatoftheImages(Greyscale,RBG,etc.),thepixelsizeoftheImage(checkyourCameraspecs). DescribetheprocessingyouwanttodoontheImages(youmentionedaveragebrightness--haveyouthoughtabouthowyouaregoingtocalibratethis? howthelightsourceplaysarole? howyoutakethatintoaccount?). Onceyouhavethis,gofindaLabVIEWGuruinyourcompany/institutionanddiscussyouroptions--LabVIEWdevelopersareoften"up"forinterestingchallenges(andthisone,whileastretchforanovice,shouldn'tfazesomeonewithafewyearsofLabVIEWexperience).   DoyouknowifMAX(NI's Measurementand AutomationExplorer)can"see"theCamerawhenitispluggedintothePC? Ifso,youcanseeifMAXcanacquireanImageforyou(thistellsyousomethingaboutwhetherornotyouhavesomeoftheNIlicensesyoumightneed).   BobSchor 1 Kudo Message2of10 (3,909Views) Reply Re:Thorlabscameraacquisition Gregory TrustedEnthusiast ‎08-14-2018 11:29AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator Hialzyx,   IhaveusedsomeThorlabsCamerasinthepast.I'mnotahugefanofthem(they'reexpensiveanditmakesthesoftwaremoredifficult).However,Idohaveafunctionthatconvertsapicture(whichisactuallyastringunderneath!)intoa2Dnumericarray,whichshouldallowyoutorunanalysisonit.Pleasefinditattached. CLA//LabVIEW2016//BALUG//GCentral.org//UnofficialForumRulesandGuidelines//AskSmartQuestions Pictureto2DArray.vi‏24KB 0 Kudos Message3of10 (3,888Views) Reply Re:Thorlabscameraacquisition Gregory TrustedEnthusiast ‎08-14-2018 11:34AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator HiBob,   IhaveneverusedThorlabscameraswithNI'sVisionAcquisitionstuffbefore,areyousuretheyarecompatible?ThecamerasshipwithaDLLtoaccessthecameras. CLA//LabVIEW2016//BALUG//GCentral.org//UnofficialForumRulesandGuidelines//AskSmartQuestions 0 Kudos Message4of10 (3,884Views) Reply Re:Thorlabscameraacquisition Bob_Schor KnightofNI ‎08-14-2018 01:02PM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator Ialsohaven'tusedThorLab,butI'vegotacolleaguewhodoesallkindsofVideoImaging(ofteninthenearIR)usingallkindsofstrangecameras,andI thinkI'veheardofThorLabsfromhim. Irecentlymovedafewhundredmilesawayfromhim,soIcan'tjustwanderdowntohislabandaskaseasilyasbefore... WhichmeansI'malsonotsureifIMAQorIMAQdxwillworkwiththem(whichiswhyIaskedifMAXcould"see"them--anOunceofExperimentationisWorthaPoundofManuals.   BobSchor 0 Kudos Message5of10 (3,878Views) Reply Re:Thorlabscameraacquisition alzyx Member Author ‎08-16-2018 07:02AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator higuys,thankyouforyourhelp...   @Bob_Schor hascritto: Inyourcase,however,you(probably)wanttodosomethingsimpler--usetheCameratogatherImagesanddocalculationsonthoseimages.  quitethereverse:thethorlabssoftwareprovidespartofwhatIneed,andIwillhavetoaddwhatI'missing...     @Bob_Schor hascritto: IfyouhaveLabVIEWinhouse,andalsohavethelicense(s)fortheVisionDevelopmentModuleand(optionally)theVisionAcquisitionSoftware(NI'sDeviceDriver),  yes,thelicensesareavailable,fortunately     @Bob_Schor hascritto: DoyouknowifMAX(NI's Measurementand AutomationExplorer)can"see"theCamerawhenitispluggedintothePC? Ifso,youcanseeifMAXcanacquireanImageforyou(thistellsyousomethingaboutwhetherornotyouhavesomeoftheNIlicensesyoumightneed). ApartfromthefactthattheoriginalcodefromThorlabsworksflawlessly-NIMaxseesthecameraunder"devicesandinterfaces",butclickingonitgivesmean0x80040275error(butit'snotonlyme, link)   @gregoryj hascritto: However,Idohaveafunctionthatconvertsapicture(whichisactuallyastringunderneath!)intoa2Dnumericarray,whichshouldallowyoutorunanalysisonit.Pleasefinditattached. Thankyou!Iwillcertainlytrytouseit-butmymainproblemisthatatthemomentI'munabletocatchthe programatthemomentapictureisavailable,andmakeit dosomethingadditional(like,say,processtheimage). IaddedtotheEventstructureinthemainfileameventforthechangeoftheframenumbervariable-whichisupdatedbytheOnImageFrameAvailableeventcallback-butitneverfires.               0 Kudos Message6of10 (3,856Views) Reply Solution Acceptedbytopicauthoralzyx Re:Thorlabscameraacquisition Gregory TrustedEnthusiast ‎08-16-2018 01:45PM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator Iwouldn'tcreateaseparateeventstructurejustforthat.Youcanputitwhereveryouupdatethepicturecontrolwhichisyourimage.LabVIEWisadataflowlanguage,soifyourfunction(subVI)iswaitingfortheimagedata,itwillrunwhenthedataisavailable. CLA//LabVIEW2016//BALUG//GCentral.org//UnofficialForumRulesandGuidelines//AskSmartQuestions 1 Kudo Message7of10 (3,849Views) Reply Re:Thorlabscameraacquisition alzyx Member Author ‎08-17-2018 03:06AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator Ifinallysolvedit,andasyoucorrectlysayacasestructurewasntnecessary. Theproblemisthatthemainprogram'scasestructuredealswitheverythingfromexposureparameterchanges,toinitialization,start/stopacquisition...butthemainacquisitionloopishiddenina registereventcallback -somethingIneverheardaboutbefore-thatexecutesasubVI(OnImageFrameAvailable.vi)ateachframeavailable.    ByaddingreferencestoadditionalobjectsIneeded(awaveformchart,anindicator...)tothissubVI'sinputparameters,andworkingontheirpropertynodes,Iwasabletomakeitwork...   0 Kudos Message8of10 (3,841Views) Reply Re:Thorlabscameraacquisition Bob_Schor KnightofNI ‎08-17-2018 07:35AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator ItwouldbearealhelptoothermembersoftheLabVIEWCommunitywhomightalsobeusingaThorLabscameraifyoupostedtheVI(orVIs)thatyouusedtogetthecameratoworkforyou. Knowingthatthere isasolutionisGoodNews,butactuallyprovidingthesolution(whichtookafairamountofeffortandquiteafewpoststoachieve)willbeevenmoreuseful.   BobSchor 0 Kudos Message9of10 (3,831Views) Reply Re:Thorlabscameraacquisition alzyx Member Author ‎08-17-2018 07:43AM Options MarkasNew Bookmark Subscribe Mute SubscribetoRSSFeed Permalink Print EmailtoaFriend ReporttoaModerator @Bob_Schor hascritto: ItwouldbearealhelptoothermembersoftheLabVIEWCommunitywhomightalsobeusingaThorLabscameraifyoupostedtheVI(orVIs)thatyouusedtogetthecameratoworkforyou. Knowingthatthere isasolutionisGoodNews,butactuallyprovidingthesolution(whichtookafairamountofeffortandquiteafewpoststoachieve)willbeevenmoreuseful.   you'reright,sorry... TLSCisthemain,andOnImageFrameAvailableisthesubVIwhereIwasabletoinsertafewoftheadditionalthingsIneedtoperformontheimage   TLSCalexxxv0.6.vi‏203KB OnImageFrameAvailableEventCallback-TLCameraMainColorv0.7.vi‏50KB DownloadAll Virusscaninprogress.Pleasewaittodownloadattachments. 0 Kudos Message10of10 (3,827Views) Reply AllForumTopics PreviousTopic NextTopic Thissiteusescookiestoofferyouabetterbrowsingexperience.Learnmoreaboutourprivacystatementandcookiepolicy. Yes,Iaccept Whatdoyouneedourteamofexpertstoassistyouwith? Requestaquote Findtherightproduct Placeanorder Getsupportonaproduct Howcanwehelp? Pleaseenteryourinformationbelowandwe'llbeintouchsoon. Thisfieldisrequired Thisfieldisrequired Thisfieldisrequired Thisfieldisrequired Country Preferredcommunicationmethod Email Phonecall Send Thanks! We'llbeintouchsoon! Whatdoyouneedourteamofexpertstoassistyouwith? Requestaquote Findtherightproduct Placeanorder Getsupportonaproduct Howcanwehelp? 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