The OpenTopography Community Dataspace allows users who are producing small tomoderatesizedtopographicdatasetsto:•  ArchivetheirdatawithOpenTopography•  Establishproperdatasetcita>on•  Enabledatasetsharingandreuse•  Provideeduca>onalapplica>ons

CommunityDataspaceTutorial

IfyoudonothaveaCommunityDataspaceaccount,youcanapplyforone:•  GotoDataà“ContributedData”.Fromthatpagetherewillbealinktoclickinorderto

applytobecomeadatacontributor.

CommunityDataspaceTutorial

UserswillbedirectedtotheirMyOpenTopoAuthoriza>onspage:

CommunityDataspaceTutorial

ScrolldowntotheboLomtorequestpermissiontosubmitdatatotheCommunityDataspace:

Oncetheaccountissetup,logintoyourOpenTopographyaccount:•  Clickonthe“ContributeDataset”buLontostarttheprocess.

CommunityDataspaceTutorial

Step1:•  Giveyourdatasetaname.This,tlewillbeusedinyourdatacita,on,somakeitunique

anddescrip>ve.It’sbesttofollowatemplateof“MeasuredFeature,Loca/on,Date”Forexample:“SurveyofOzaukeeSouthBeachBluff,Wisconsin,May2018”

•  Choosethecollec>onplaPormthatwasusedtocollectyourdataset.•  ChecktheappropriateboxifyoudatasetcontainsPointClouds,Rasters,orboth.•  Select“Next”whendone.

CommunityDataspaceTutorial

Step2:•  Foreachfiletype,uploadtheappropriatefiles.

•  Point Clouds:we currently only accept LAS orLAZformats.LAZformatsarepreferredastheyreduce file size dras>cally, and will reduceupload >mes. If the data is georeferenced,pleasemakesure that thecoordinate systeminfoisincludedintheheader.

•  Rasters: we currently only accept IMG or TIFfiles.Ifthedataisgeoreferenced,pleasemakesure that the coordinate system info isincludedintheheader.

•  Metadata:ThemetadatadocumentmustbeinPDF format. Users are free to use whateverformat they wish, but it is preferrable if theOpenTopography template is used. Thetemplateisavailableonthedatauploadpages.

CommunityDataspaceTutorial

CommunityDataspaceTutorial

Notes:•  Click on the “Notes” link for guidance on upload

requirements.•  Users can upload mul>ple files through the “Choose

Files”buLon,orbydragginganddroppingfiles.•  Althoughthereisa10GBlimitonasinglesubmission,ifa

projectislargerthan10GB,itshouldbebrokenintopartsandsubmiLedwithpartnumbersdesignatedclearly.

Step2(con,nued):•  Addthefilesbyusingthe“ChooseFiles”buLonorbysimplydraggingthefilesintothedesignatedareaofthewindow.•  Whenallfileshavebeenadded,selectthegreen,“StartUpload”buLontobegintheuploadprocess.•  Thereisa“StartUpload”buLonforeachcategoryoffile,sobesuretoperformthisopera>onforeachofthesec>onsyou

added.•  Notethatifyouhavenotuploadedsuccessfully,therewillbeasmall“x”nexttothefilesize.

CommunityDataspaceTutorial

Step2(con,nued):•  Onceyou select the “StartUpload”buLon, youwill see theprogressbaraseachfile isuploaded to theSanDiegoSuper

Compu>ng(SDSC)server.•  Whenallthefileshavecompletedtheuploadprocess,selectthe“Next”buLonattheboLomofthepage.

CommunityDataspaceTutorial

Step3:•  Thisstepvalidatestheinputdata.Theamountof>methisrequireswilldependonthesize,andamountfilesuploaded.•  Theprogressofthevalida>onisdisplayedonthewebsiteasseenbelow.

CommunityDataspaceTutorial

Step4:•  Ifthevalida>oncompletessuccessfully,a

pagewillloadthatshowsamapwiththetotal spa>al coverage of all the datasetsinred.

•  Therewillalsobeaseriesoftextboxestoadd addi>onal informa>on about thedatasets.

•  Required fields are marked with a redasterisk.

•  If the map does not show the footprintloca>ons, it could mean that either thedata did not have proper coordinatesystem informa>on, or it was notrecognized on ingest. If you know theEPSGcodeofthedata,youcanenterthiscodeintheboxbelowthemaptoupdatethecoordinatereferencesystem.

CommunityDataspaceTutorial

Step4(Con,nued):•  Clickingonthe“ShowDataFiles”barwillshowalistofthefilesthatwereingestedandsomebasic

sta>s>csoneachfile.•  Clickingonthe“ViewDetail”buLonwilldisplayaddi>onalmetadataforeachfile.

CommunityDataspaceTutorial

Step4(Con,nued):•  Clickingonthemappiniconontherighthandsideofeachfilelis>ngwillupdatethemaptoshowthe

spa>alextentofthatfilecoloredingreen.•  Clickingonthegarbagecaniconwilldeleteafilefromthecollec>on.

CommunityDataspaceTutorial

Step4(Con,nued):•  Itisbestprac,cetoprovideasmuchinforma,onaboutthedatasetaspossible,somakeanefforttofill

inallapplicablefields.•  Project Roles and Contributors can be added to help provide contact informa>on. A_er adding a

contributor, a green check mark will display to show that the user or organiza>on has been addedsuccessfully.

CommunityDataspaceTutorial

Step4(Con,nued)FinalSubmission:•  Usethe“SaveProgress”buLontosavework,butdelaysubmi`ngthedatasetforanother>me.•  Whenall thedataentry iscompleted,andthedataset is readyforfinalsubmission,select the“Submit

Dataset”buLon. ThepagewillrefreshanddisplayabanneratthetopthatstatesthatthedatasethasbeensuccessfullysubmiLedandispendingOpenTopographyapproval.

•  Youaredone!OnceanOpenTopographyteammemberreviewsthesubmission,anemailwillbesenttoyouraccountwithalinktoverifythedatasubmissionanddisplaythedatahomepage.

CommunityDataspaceTutorial

TipsandTroubleshoo,ng:•  UseLAZfileswhenpossible.Thecompressiondras>callyreducesfilesizes,andwillspeedupthewholeprocess.•  Whenappropriate,verifythatfileshavecoordinatesysteminforma>onintheheader.•  Ifuploadsaretakingalong>me,orhavestalled,theprocessmayhaves>llcompleted. Userscancheckthestatusofthe

upload by going to MyOpenTopoà Contributeà “View and manage my community Dataspace datasets” (see imagebelow). Select theeditbuLonnext to theprojectof interest,andverify thatall thefilesareuploadedandhavecorrectsta>s>cs.

CommunityDataspaceTutorial

TipsandTroubleshoo,ng(con,nued):

•  WhenworkingwithTLSdata,some>meserrorscanoccurintheuploadbecausethedistribu>onofpointsbetweenthefilesisveryuneven–e.g.filescontainingpointsnearthescan-centerwillhaveMUCHlargerpointcountsthanfilescontainingpoints far fromthescanner. This largediscrepancy infile sizescancauseerrorswhenuploading to theDataspace. Theeasiestsolu>onrightnowistosplitthedatausinglassplitfromtheLAStoolspackage(hLps://rapidlasso.com/lastools/).Thefollowingcommandcanbeused:

lassplit-v–iinput.laz–ooutput_/le.laz-digits2-split25000000Thissplitsthethelazfileintofileswith25,000,000pointsineachfile. The"digits"keywordisjusttellingtheso_waretoincrementthefilenamesby2digits,sooutputfilenameswillbeintheform:output_>le00.laz,output_>le01.laz,etc.

•  Notethatifthereiss>llanunevendistribu>onofpointsbetweenthefiles,itmaybenecessarytomanuallysplitthefiles,with the XY loca>on of the scanner as the split loca>on. This can be accomplished by using the las2las command, andmanuallyspecifyingtheXYrangeofthedatatoincludeineachfile.Usingthe“-keep_xy”keywordenablestheabilitytocutoutdataforaspecifiedXYrange.Forexample:

las2las-iinput.laz–ooutput.laz-keep_xy35060147523223510214752696

CommunityDataspaceTutorial

TipsandTroubleshoo,ng(con,nued):•  Forcita>onofdatasetscontributedtotheCommunityDataspace,acita>onwillbeautoma>callygeneratedinthefollowing

format:

PI’slastname,PI’sfirst/middleini/als.(publicreleaseyear):Titleofdatasetcollec/on.DistributedbyOpenTopography.linktoDOI.DateofDataAccess.Examples:Hiscock,A.(2019).2019ZigZagLandslideReconnaissance,MorganCounty,Utah.DistributedbyOpenTopography.hLps://doi.org/10.5069/G96D5R4Q.Accessed:2020-01-22Amatulli, G., McInerney, D., Sethi, T., Strobl, P., Domisch, S. (2020). Geomorpho90m - Global High-Resolu>onGeomorphometryLayers.DistributedbyOpenTopography.hLps://doi.org/10.5069/G91R6NPX.Accessed:2020-01-22Gruetzner, C. (2019). Suusamyr Basin, eastern 1992 surface ruptures, Kyrgyzstan. Distributed by OpenTopography.hLps://doi.org/10.5069/G9V69GRT.Accessed:2020-01-22Arrowsmith, J R., PiscioLa, F. and CERG-C (2018): Photogrammetric model of a por>on of the Faraglione--a rockoutcropping in the Vulcano Town area, Vulcano Island, Sicily, Italy (point cloud [17M points] and DEM [6 cm/pix]).DistributedbyOpenTopography..hLps://doi.org/10.5069/G9WD3XPDAccessedOctober29,2018

CommunityDataspaceTutorial