September Issue 2020
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•GIS • GPS September 2020 Volume 19 Issue5 • CAD • REMOTE SENSING • PHOTOGRAMMETRY • SURVEYING • CARTOGRAPHY • IMAGE PROCESSING • BUSINESS GEOGRAPHICS GeoConnexion International Magazine EMERGENCYDISPATCH HOWTOSENDUAVSTOMONITOR SITUATIONSAUTOMATICALLYANDSAFELY MAKING CONSTRUCTION BOMB-PROOF SCANNING AT THECLIFF-FACE The latest geoinformation serving the World Imaging Power Leica GS18 I Mapping just got simpler, safer and more efficient than ever before. Meet the Leica GS18 IGNSS rover with Visual Positioning. With it, you can effortlessly measure points you couldn’t reach before. Just capture the site and measure using images. GS18 Iisso innovative, you can measure points over a busy street even if cars are passing by. Once you capture the site, you can measure every detail whenever you want to. Measure what you see leica-geosystems.com/GS18I Leica Geosystems AG leica-geosystems.com ©2020 Hexagon AB and/or its subsidiaries and affiliates. Leica Geosystems is part of Hexagon. All rights reserved. DISTANCE LEARNING Editorial: Rob Buckley, Editor -GeoInternational [email protected] PeterFitzGibbon, Editor -GeoUK [email protected] COVID-19 IS MAKING US ALL SOCIALLY +44(0) 1992 788249 DISTANT. BUT WE’RE ALL HAVING TO Eric van Rees,NewsEditor LOOK AT NEW WAYS OF UNDERSTANDING +34-958281507 LOCATION AT A DISTANCE [email protected] ROBBUCKLEY Columnists: EDITOR GeoInternational [email protected] LouiseFriis-Hansen, FIG DanielKatzer, Hinte Messe Alistair Maclenan, Quarry OneEleven SimonChester, OGC GeoUK Mark Poveda, Modern Surveying TerriFreemantle, Observations Seppe Cassettari, GEO:Innovation Publisher: MaiWard +44(0) 1223 279151 [email protected] News reports of successful early trials of emergencysituations to monitor them. But Advertising: vaccines forCovid-19 arewelcome,but it’s without pilots,how can this be done safely? MickiKnight, Sales&MarketingDirector hardtotellwhen –orevenif–the worldwill On page 36, meanwhile,Vincenzo +44(0) 7801 907666 returntonormal following the pandemic. Massimi shows howacombination of optical [email protected] Thefuturealways turns out differently to and radar imagerycan be used to monitor what we think it will be,sopredictions of disasters and the following reconstruction Mailing Address & business as normal areundoubtedly going at adistance.Inparticular,hereports on Subscription Enquires: to be as wrong as those that suggest there work done in Indonesia following the 2018 GeoConnexion Limited, will be massivechanges to society. tsunami, wherethe groundwas treacherous PO Box594,Cambridge, In the near-termatleast, we’restill and in some cases practically liquid. CB10FY,United Kingdom collectively going to be socially distancing On page 39, Mary Jo Wagner looks at +44(0) 1223 279151 from one another to avoid contracting or howtechnology has changed hands-on [email protected] spreading the disease.For many, it’s already surveying.Acliff is adangerous location [email protected] ingrained behaviour and the idea of close foranyone to survey, and 13 years agoPaul proximitytoothers is not just adistant Reichardt surveyedaCalifornia cliff-face www.geoconnexion.com memorybut almost alien and terrifying. from aboat using atotal station. Even so, Maybe that’s whyitfeels likewe’re it was aprecarious and dangerous job.But Design: subconsciously looking fornew ways to nowwehave UAVs andtogether with fellow Lucy Carnell work at adistance,eveninsurveying –often surveyorRobertLafica, he has developed AT GraphicsLtd without other or even anypeople involved. anew photogrammetric technique for www.atgraphicsuk.com In this issue of GeoConnexion International, surveying cliffsthatdoesn’t involveanyone forexample,the OGC reportsonpage 26 its putting their lifeatrisk in aboat. work with machine learning.Indangerous Lastly,onpage 42,AndreGessner areas such as wildfiresorthe Arctic,we considers the legacies of past conflicts: understandably want to avoid loss of life, so unexploded bombs.HamburginGermany automatic sensors and remotesensing are was subjectedtovast quantities of ordnance the order of the dayBut with the Internet during the Second WorldWar andany of Things,5Gand other technology about construction siteinthe cityneedstoknow to deliver the corresponding huge deluges if there’sachance that unexploded bombs GeoConnexion International of newdatainresponse,only machines arelocated under the surface.And that’s not ISSN:1476-8941 is publishedbyGeoConnexion Limited aregoing to be able to process it. ajob whereanyone wants to get tooclose. Themagazine is publishedseventimes ayearand is fully protectedbycopyright.Nothinginitmay be reprinted Equally,onpage 34, Ellen Malfliet looks at Ihope youenjoythe issue and or reproduced wholly or in anypartwithout thewrtten howUAVscan be automatically dispatched to find it useful in your work. permission of the editor. www.geoconnexion.com 3 CONTENTS CONTENTS 30. BUILDING AT SPEED 42. MAKING ACONSTRUCTIONSITE An indoor positioning technology originally developed for ‘BOMB-PROOF’ use with cars is finding applications in other sectors, including 3D stereoscopy is being used in Hamburg to discover where construction. Jennifer Edis looks at how it works and what the Second World War bombs might still be located on construction challenges were in adapting it sites. Andre Gessner explains how 34. HELP FROM THESKIES UAVs are agreat tool for emergency responders. But getting them to situations quickly, safely and automatically will take NEWS ANDEVENTS accurate positioning information and navigation, writes Ellen Malfliet 6. EMERGINGTECHNOLOGY 36. SEEINGAND FEELING THEDAMAGE 14. ANNOUNCEMENTS In adisaster, optical data can be used to monitor damage and 16. PRODUCTSHOWCASE reconstruction over large areas. SAR data makes it possible to ‘sense’ the ground’s motion. Vincenzo Massimi explains 18. ASIANSPOTLIGHT how the two can be combined –and are being used in the reconstruction of Indonesia, following the recent tsunami REGULARCOLUMNS 39. ON THEFACEOFIT 3. EDITORIAL 13 years ago, Paul Reichardt surveyed aCalifornia cliff-face 19. ON LOCATION from aboat using atotal station. When asked to capture a precise orthomosaic and topographic map of its structure this 25. INTERGEO year, he approached Robert Lafica for aless precarious method. 26. OGCUPDATE Together, they developed anew photogrammetric technique for cliff surveys. Mary Jo Wagner reports 28. FIGUPDATE SEPTEMBER2020–PAGE 44 Cover: UAVs areagreat tool foremergencyresponders.But getting them to situations quickly,safely and automatically will takeaccurate positioninginformation and navigation (page 34) 4 September2020|GeoConnexion International Magazine NEWS & EMERGING TECHNOLOGY PROSTAR JOINS TRIMBLE’S GIS BUSINESS RIEGL USA CONSTRUCTION UPDATE WEBSITE, PARTNER PROGRAM ULTIMATELIDAR.COM, IS LIVE Trimble announced that ProStar has joined Trimble’s GIS Business Partner Program. As Anew websitetodocument the ongoing partofthe program, ProStar has implemented the Trimble Precision SDK (Software construction projectprocess of the new Developer Kit) to integratehigh-accuracypositioning capabilityinits PointMan mobile North American office,isnow live. Riegl’s application running on smartphones and tablets using Trimble GNSS receivers. construction company, DPR, as well as ProStar provides field crewswith an easy-to-use mobile data collection solution RIEGL USA team members areusing the designed to capture, record andprovide real-time visualization of the precise latest RIEGL LiDAR equipment on-site locations of subsurfaceinfrastructure, while utilizing acentralized database to throughout the construction process permanently and securely storeand shareutility location recordsinthe cloud.By of the building.The RIEGL technologies adding the Trimble RSeriesand Trimble Catalyst receivers to the ProStar workflow, being used on this projectsupport users can confidently access high-qualitydata and identify potential conflicts to avoid qualityassurance and qualitycontrol, accidents,disruption of services and costly delays to infrastructureprojectsimpactedby resulting in moreaccurateand time- not knowing the precise locations of buried utilities. www.trimble.com saving deliverables forthe field.Onthis website, visitors will find out howRIEGL’s state-of-the-art-instruments can aid the construction process, video and photo updates from the site, videos of key milestones,and much more. Over time Riegl will be adding morecontent such as wide area mapping /overview of the surrounding areas of the construction siteusing RIEGL high altitude airborne LiDAR, data fusion of terrestrial,mobiles, unmanned,and airborne laser scan data sets foranextremely comprehensive LiDAR data set of the area and RIEGL LiDAR scan data acquired by abrand new acquisition platform. www.riegl.com HEXAGON TO SUPORT EAU DE PARIS IN AGRICULTURAL AID PROJECT Hexagon’s Safety&Infrastructuredivision announced Eau de Paris, France’s public water company, has selectedHexagon SIMACTIVE SOFTWARE USED FOR OIL AND GAS geographic information system (GIS) technologies to supportits new SEISMIC EXPLORATION agricultural aid project. Designed to SimActive, adeveloper of photogrammetrysoftware, announced that its Correlator3D enhanceresource protection in the productisbeing used by Texas-based company Dawson Geophysical foroil and gas catchment areas of Paris, the projectis seismic exploration. Orthomosaics and elevation models aregenerated from aerial expectedtofinancially supportnearly imagerytoaid in planning of