Cadcorp® Case Study – Hydrospatial business and pleasure. This activity is the responsibility of the business and pleasure. Service, Hydrographic which is based alongside the PLA’s in Kent. at Gravesend the east of London Thames to Service the Hydrographic survey three operates here, From and the 14m GRP “Verifier”, The 21m aluminium monohull craft. the cover “Yantlet”, construction, catamaran twin water-jet while the new 8m launch Thames Estuary and the river, and in associated work close in-shore is used for “Galloper” waterways. During surveying, is carried depth measurement out by multi- beam echosounders (Reson 8101, 8125 and 7125) with 450 and of the river bed. coverage total 200KHz giving transducers, Global by Differential is almost exclusively Positioning (DGPS), with the corrections System being Positioning All VHF radio. station by an in-house reference from broadcast by Hypack®the data is logged and processed with software, tide gauges of the 14 automatic tide reductions based on any sounding data is then sorted the The reduced for in the area. z data scale and output as ASCII x, y, appropriate jetties, objects, such as piers, physical Other data on real-world, objects, like and non-physical the moorings and buoys, the produce to is included in order channel edges, navigation charts by the PLA user communitynavigation (pilots, required etc). harbour and licensing managers, masters chartsWhile the production of navigation the main constitutes activity Service, of the Hydrographic it also undertakes surveys information and environmental engineering and provides in river conservancy role details example, (for supportto the PLA’s and shoaling of mud flats and banks). on the erosion – Hydrospatial E 11°37'05"

Going digital its position as a retains that the Port of London ensure To leading UK port, in services its invest to the PLA continues for everyone of the - i.e. customers who uses the tidal reaches Key these servicesThames. to is the on-going surveying and charting the ensure channels to of the river bed and navigation both which use the river for of all sizes of vessels safety

Charting the tidal Thames: Cadcorp SIS at the Port of London Authority London of the Port SIS at Charting the tidal Thames: Cadcorp ship safely seeing a 272 metre for responsible were If you Estuary its berthThames and then dock at the navigate is a there in places knowing that miles upriver, several bed, and the river keel the ship’s 900mm between mere navigation your that sure to be pretty want would you and up to date. accurate charts were Authority what the 90 or so Port of London precisely That’s on chartsrely They cope with every to pilots have day. Authority Hydrographic by the Port of London produced Service mapping and GIS digital with the aid of the latest software help them do it. system) to information (geographic Thames as a tourist While everyone is familiar with the River as familiar with it as a major people are attraction, fewer port.commercial portIn is the second largest fact, the Port of London in the UK. each year, It of cargo than 52 million tonnes handles more Port of oil and oil products. tonnes 18 million including around activity per year 25,000 ship movements comprises around 70 operating wharves over terminals along the from and cargo river. is a growing there business, In cargo this massive addition to the tourist industry be from cruise liners to for requirement this end To London. Central Thames into the navigate able to and at Greenwich. of London moorings in the Pool are there Thames, tidal itself comprises the entire The Port of London an imaginary eastwards to London, in west Teddington from Thames estuary and Clacton- between Margate the line across public right and for on-Sea. Responsibility of navigation for conservancy distance - some 140km this entire of the river over Authority (PLA), which owns most the Port of London - falls to mark mean high water between both of the river bed from The PLA is the pilotage authority this within banks of the river. oil securing of navigation, safety for and is also responsible area and structures and mooringspollution matters placed in the river. Case Study N 62°09'54" Cadcorp® Case Study – Hydrospatial MasterMap® digital SIS. mapsusingCadcorp MasterMap® (OS) ismergedphysical withOrdnance objects Survey dataandotheronphysicalresult, andnon- today survey developer,digital mappingandGISsoftware Cadcorp. As a System, from SIS-SpatialInformation this wasCadcorp UK system. for chosenbytheHydrographicThe software Service productionwithacomputer-based manual methodsofchart Following afeasibility study, thedecisionwasmadeto replace consuming andcostly. time- themuptowasalso very date.major taskkeeping It reaches ofthe covered bythePLA,itwasa Thames andberths the riverplusnumerous individualplansrequired to cover the produce therequired charts. of With over 40large scalecharts dataonto theseto overlays andthendrawing thesurvey manually bytracingOSLandLinemapfeatures onto acetate weremaps produced bytheHydrographicproduced Service Before and thedigital system wasputinplace, allofthecharts the Thames 21project, inwhichthePLAisapartner. and to foreshore clean-upoperationsunder river conservancy -whichform thegreat -butalsomapsrelating tocharts majority produced SIS. withCadcorp These notonly includenavigation maps produced bythePLA’s eachyear are Hydrographic Service Today, and ofthe350ormore revised thevastmajority charts updated dataisimmediately SIS. available withinCadcorp into thedatabaseandto automatically update existingdata.All applicationto loadtheCOU Manager MasterMap filesdirectly enabled database, allthatisrequired isto useCadcorp’s simple update (COU) files. dataheldinaspatially With theMasterMap receives itschange-only three monthstheService OS, every database upto date. Through with itsmaintenance contract themap majorbenefitswhenitcomesto keeping brings datato coverMasterMap itsarea ofthe Thames, thisfacility holdingsufficientOS With theHydrographic Service products require thepurchase ofatranslator.” graphic dataanddatabaseformats, withouttranslation.Other widerangeofotherGIS,CADand native form, aswell asavery to read GMLdatainits ability anddisplay Ordnance Survey “Furthermore”, headds, “a SISisthe standardinCadcorp facility there stillaren’t thatmany”. time there few were productsthatcoulddoiteasily, very and required scale. That seemsasimpleenoughtaskbutatthe itoutatthe place agrid andatitleblockonitprint product thatenabledusto easilyzoom into anarea ofmap, available, weSISbecauseitwastheone choseCadcorp the different products digital mappingandGISsoftware thesystem, says,developing andsupporting at “Having looked John Pinder, thePLA’s hydrographer, port whoisresponsible for Keeping up-to-date of environmental and environmental sensitivity vulnerability, as responsibilities inthisarea. Datafrom NaturalEnglandonareas thePLA’s SISto buildadatabase toused Cadcorp support approved pollutionplan. The PLA’s has Hydrographic Service thePLAto have like was putinplacerequiring authorities an Following oilpollutionaccidentselsewhere, serious legislation Thames from oilandotherhazardous materials. based GIS.Oneoftheseapplicationsrelates to pollutionofthe through continued developmentSISweb- usingaCadcorp intranet ofanumberapplicationsviatheAuthority delivery PLA’s responsibilities. This hasbeenlargely achieved withthe to expandtheuseofsystem to otherareaslooking ofthe SIS,JohnPinder withCadcorp andhisteam are undertaken revision nowbeing andproductionwork With allchart organisations. thetwo ofapilotstudybetween subject method ofexchanging datawith theUKHO, thisbeingthe Digital Hydrographic Dataandassuchwillbethepreferred needed -ontheship. S57istheIHO Transfer Standard for automatically updated inatimelymannerwhere itismost andotherinformationradio, to be enablingcharts on ships, withtheinformation beingdownloadeddigitally over S57 data. This willeventually replace thecurrent papercharts Hydrographic Organisationproduction ofInternational (IHO) purchased SevenC’s ENC Tools prototype andhasstarted from SISdatabase. theCadcorp To has thisend, theService (ENCs)derived the productionofelectronicnavigation charts thefuture,In thePLA’s plansto move to Hydrographic Service eightto ten years. purposes, every conservation for from bank to river bank, andre-charted surveyed however, for navigation charts survey thewholeriverisre- four additionto months. thisrequirement every In tosurveyed on aregular basis;more usuallythough, eachsegment is produced monthandnewcharts every need to be surveyed in question.For example, areas whichare prone to shoaling oftheriver depends to alarge onthenature extent ofthepart needto beupdated withwhichthesecharts The frequency publication. andsubsequent for charts Admiralty into British incorporation information in issentto the UKHydrographic Office Taunton quantities required areto beinthethousands, likely the required. However, for ingeneral, usebymariners where the are outputonaninkjetplotter inthequantities charts For PLAusercommunity, theinternal smallquantitiesoffinal Charts andmapsfor all within Cadcorp SIS. within Cadcorp usingtheprogrammingby theHydrographic facilities Service required have for beendeveloped navigationinternally charts Specialised navigational notationsymbolsandline-styles pointandtitleblocketc. grid, forcomprising north finaloutput. viewed template individuallyandcombinedwithinaprint databases); contours; anddepths. These layers canthenbe frommoorings, wrecks existingPLA andbuoys(imported data;channeledgesandanchorageareasOS MasterMap etc.; upaPLAchart. go to make These layers are for topography, i.e. This dataisassigned withintheGISto oneoffive layers which are given ageo-reference. as required SISasraster into fileswhich Cadcorp andimported only existsontheoriginal acetate overlays, theseare scanned data,suchaschanneledgesandlicences, essential butnon-OS addition,becauseagreatand source ofthedata.In dealof contour data,DXF, TIFF orASCIIfiles, dependingonthenature data,isinputto theGISinformnon-geographic ofnative Data, beitsonarsoundings, GPS,mapsorothergeographic or Cadcorp® Case Study – Hydrospatial are trademarks, are Roamer and | Email [email protected] Viewer, Map Editor, Map Modeller Map Editor, Viewer, Visit www.cadcorp.com Aided Cadcorp is a trading name of Computer Development Corporation Ltd munity be or certain trademarks may jurisdictions. other Not all Cadcorp +1 (781) 551 3404 | North America +1 (781) 551 2727 | F Cadcorp Inc. Cadcorp #257, Norwood, Suite Hwy, 1420 Boston-Providence 02062 USA MA T 01438 747997 Major benefits the task of to brought The benefits which GIS has already charts navigation and producing revising and other maps at They include the Service Hydrographic clear. are the PLA’s charts more and update ability revise in less time and to to other the map database for data to attach other relevant Authority. applications within the Port of London related on the PLA a good return has provided the system Overall, of service the level improve it and has enabled it to investment Thames - in the tidal River - the users of its customers to gives increased its plans for With need. they terms of the information use of Cadcorp of SIS in other aspects areas of the authority’s Service Hydrographic is confident that PLA’s the responsibility, benefits will flow in the future. more yet well as sites of special scientific interest (SSSIs), have been have (SSSIs), interest of special scientific as sites well own data Service’s with the Hydrographic and merged collated and use in pollution control for a unified database create to action planning. remedial as the the information update readily the PLA to This enables use the spatial query also to the river changes but situation on Cadcorpand analysis facilities in and easily instantly SIS to information, output specific pollution-related and to for search required. whenever uses of GIS data within other PLA departmentsFurther include Vessel making Service Hydrographic the in the data available such as This enables information Management system. Traffic on a berththe depth of water and other berth details, and berthingincluding photographs be instructions, to simply by selecting a berth displayed instantly accessed and via the Cadcorp web-based map displayed system. on a digital of updating its web-based GIS to The PLA is now in the process Cadcorp GeognoSIS. web-based GIS server, dynamic, Cadcorp’s of all applications This will include an overhaul and redesign The first application servedcurrently via the Authority intranet. organisations by relevant contributed to going live, close to a corporate extranet, over to and available has been developed and support information exchange the decision-making on the licence applications dredging to in relation process River Thames. | Computer Aided Development Corporation Ltd Corporation Aided Development | Computer 01438 747996 | F registered trademarks, or service marks of Computer Aided Development Corporation Limited (Cadcorp) in the UK, Com the European (Cadcorp) Limited Corporation service or Aided Development trademarks, marks of Computer registered trademarks or service trademark owners. marks of their respective registered Other be trademarks, and products mentioned may companies here. indicated StationeryCopyright. Survey Office with permission of Her Majesty’s © Crown GB, Ordnance from reproduced Certain are data images digital T Map Map Reader, GeognoSIS, Map Browser, MapTips, SIS, mSIS, apSIS, Powermap, System, Information SIS, Spatial Cadcorp Cadcorp, Sterling Court, Norton Road, Stevenage, Hertfordshire. Sterling Court, Hertfordshire. Norton Stevenage, Road, UK SG1 2JY. Cadcorp