Delivering accurate representations of built environments
Shamrock+, based in Savannah Georgia, provides creative and visual solutions to individuals and businesses through photography and 3D data collection services. Using UAVs, cameras, sensors and software, Shamrock+ delivers accurate representations of built environments for their clients.
Shamrock+ largely works within Architecture, Engineering and Construction (AEC), however, they also assist professionals with projects in the Real Estate sector. Their solutions include photography, progress documentation, creating 3D data visualisations, and as-built.
Shamrock+ originally used a static-based LiDAR solution to produce their 3D point clouds. Though highly accurate, they needed a faster solution for collecting data. Additionally, they needed a versatile scanner that can be mounted to UAVs and cars to capture larger areas.
As a result, Shamrock+ chose to work with GeoSLAM’s ZEB Horizon scanner.
What used to take hours to scan, is now taking us significantly less time to cover more areas.
Using the ZEB Horizon laser scanner on UAVs
The ZEB Horizon has significantly reduced the time needed to scan, whilst simultaneously delivering accurate data. The easy-to-use solution and simple setup mean the team could immediately begin scanning.
Many of the areas Shamrock+ capture are large exterior spaces, and the 100m range of the ZEB Horizon make it the ideal solution. The team carried out an architectural scan of an approximately 10,000 sq. ft Community Bible Church (CBC) in Savannah, GA. This project consisted of 3 individual scans of the interior building and its surrounding area, with the scan time ranging from 10 to 30 minutes.
Shamrock+ uses the ZEB Horizon laser scanner on UAVs, handheld and with GeoSLAM’s car mount accessories. The versatile solution provides Shamrock+ with the ability to switch from air based data capture to scanning large areas in a very short amount of time.
Creating 3D BIM files, floorplans and more with GeoSLAM technology
Shamrock+ has completed more than a dozen projects to date, each with its own challenges. From scanning building interiors for renovation, to mapping acres of land for topographical data, the ZEB Horizon has proven to be a tool that can overcome the challenges it has faced so far.
Shamrock+ processes the ZEB Horizon’s data using GeoSLAM Connect. They also internally integrate the point clouds into other software platforms to create 3D BIM files, floorplans, elevations, contours, and much more.
By using GeoSLAM’s technology, Shamrock+ can capture large acres of land in a short period of time. This speeds up their data collection process without sacrificing accuracy, which allows them to spend more time on creating high quality visual solutions for their clients.
If you’d like to learn more about how GeoSLAM solutions can help you, submit the form below.
ZIEN24 use GeoSLAM scanners to create measurement reports for the Real Estate Market
Location
Netherlands
Scan time
Approx. 15 minutes per scan
Size
Varies per scan
Scanned
Residential & commercial properties
Industry
Real Estate
Real Estate in the Netherlands
Real Estate is a fast-moving and highly competitive market. Companies are reliant on good customer relationships based on trust. They realise the importance of providing accurate measurements and specifications of the properties they are advertising. Buildings incorrectly measured could be under or overvalued, which could result in complaints, invalidate a sale, or damage their reputation.
This is particularly pertinent in the Netherlands, as they have placed a high level of importance on delivering accurate floorplans when advertising a property. In fact, a new regulation was introduced in 2010 after properties in Amsterdam were sold at a higher cost, after being overvalued due to incorrect floorplan measurements. The regulation, BBMI, requires businesses advertising properties to provide accurate floorplans or face potentially heavy fines.
This required businesses to think differently about how they could quickly and accurately assess the properties they were advertising.
How ZIEN24 create Measurement Reports for Real Estate
Rotterdam based media and marketing company, ZIEN24, realised they needed to modernise how they measure properties in light of the regulations. ZIEN24 produces content and digital floorplans for estate agents, covering all types of residential and commercial properties.
The company began measuring properties using laser rangefinders, which were not only time-consuming but also not cost-effective. The company received complaints when properties were not measured within the limits of the regulation, and the team had to occasionally return to properties to re-measure them. In addition, ZIEN24 was sending both photographers and surveyors to properties, which was not cost-effective or ideal for their clients.
Having worked with point clouds previously, ZIEN24s co-owner, Boy Van Houten, thought that they could be the solution for accuracy. However, they needed a setup that was quick and effective, so static-based systems were not an option. After researching different scanner options, they decided to try GeoSLAM’s ZEB Revo RT with the ZEB Pano accessory.
Why ZIEN24 chose to work with the ZEB Revo RT
The ZEB Revo RT is highly accurate, fast, and easy to use. As it requires minimal training, ZIEN24 taught their photographers to scan properties when they’re on location taking marketing photos. This negated the need for a surveyor, saving ZIEN24 money which could be passed on to their clients. The scanners accuracy largely removes the risk of human error, and ZIEN24 have not received any complaints since starting to use GeoSLAM scanners back in 2019.
The addition of the ZEB Pano allows them to take informative 360 degree panoramic photography, at a much quicker pace, during a scan. The ZEB Pano stores the exact location of each panoramic image within the scan, enabling more accurate and less intrusive property surveys. This is vital for ZIEN24, as the popularity of virtual house tours increases within the real estate industry.
The GeoSLAM scanner not only gives us confidence in the end product but gives our clients peace of mind knowing that our fully-automated measurements are highly accurate.
How the ZEB Revo RT has helped ZIEN24with their Real Estate services
As the scanner captures in real-time, the photographers can easily ensure that they are capturing every room, as they walk around. Furthermore, the speed of capture, 200m2 in 15 minutes, means that more properties can be assigned to photographers per day. The data is then processed in their offices in China, and accurate floorplan reports are typically turned around within 24 hours.
The ZEB Revo RT has also helped them to expand into other markets, and they now offer scanning services to support BIM models.
Surveying buildings is difficult and accessing hard to reach areas, like dropped ceiling or raised floors, without disrupting business can be seemingly impossible. In this blog we’ll discuss how SLAM and LiDAR technology has made scanning behind dropped ceilings a simple process.
Mapping a decommissioned power station
Location
Cape Town, South Africa
Scan time
8 Hours Total
Size
Approx. 117,000 m2
Scanned
Power Station
Industry
Surveying
ZEB Family | Safely surveying a hazardous power station
All over the globe, countries are looking to nuclear and hydro renewables, not only to provide their electricity needs but to meet climate goals. This is resulting in the shutting down of coal-fossil power plants that no longer have a role to play in a fast-changing world.
Opened in 1962, the Athlone Power Station was the last coal-fired power station operating in Cape Town, South Africa when it stopped generating power in 2003. The iconic cooling towers, which were known by locals as “The two ladies of Athlone” and had long been a feature of the Cape Town landscape, were demolished several years later.
The efficient user-friendly GeoSLAM equipment enabled the team to safely and comprehensively survey this hazardous and complex plant.
Proper planning was essential as demolition can be potentially hazardous for the safety of personnel due to the plant’s age-structure, and onsite teams often having to operate across split levels, in total darkness. The removal of contaminated waste can be equally challenging. Cost is also a major factor and companies responsible for shutting down plant are continuously looking at ways to be cost effective while providing a reliable, fast and efficient service.
Aurecon, a global engineering, design and advisory company, won the tender from the City of Cape Town to project manage the site for the final stage of decommission. This involved surveying the plant whilst stripping, clearing and removing unused material, redundant equipment and certain historical structures. Their task also included securing all remaining structures, leaving the site in a secure state and registering servitudes for remaining bulk services. Aurecon found Athlone to be a challenging project due to accessibility issues and lack of light. Also, because of the Power Station’s historical importance, salvaging certain unique equipment had to be considered. The team needed a simple and effective solution that could accurately map the site quickly while keeping them safe in a tough environment.
Aurecon chose to work with mobile LiDAR scanners so that the historians, structural engineers and environmentalists could have the data they needed, without having to enter the potentially dangerous site. For the Athlone project, GeoSLAM’s ZEB Revo RT scanner and ZEB Pano camera were used, as well as theZEB Horizon and ZEB Cam. The building’s interior and exterior were scanned with the ZEB scanners The two data sets were merged to provide a full 3D point cloud of the entire building.
Using the Pano, the team generated photos that were incorporated inside the point cloud, so that the offsite survey team could have greater visualisation of the site to feedback commentary. The efficiency of the scanners and speed of capture meant that unlike other scanning methods, the team could repeatedly capture the site. This meant that decisions and assessments could be taken frequently, without the need for lots of people to visit the dangerous site.
In total, the whole facility was scanned in three days with data sets processed overnight, a total of eight hours. The combined datasets were available within a week, which enabled Aurecon’s modellers to commence work on the classification of components in the power station.
The final 3D point cloud representation of the interior of the power station enabled the engineering team to assess and quantify the amount of salvage and scrapped material to be removed from the site, and to plan the logistics of the removal in context with the physical shape and size of the existing building.
The accurate 3D model equipped the stakeholders with information that allowed them to safely and precisely analyse for activities such as material quantification, condition assessment and the preparation of decommissioning method statements.
Last Updated on 25th April 2022 INTERGEO 2021 Round-up Hannover, Germany It… Read More »INTERGEO 2021
Creating a digital twin of Cistercian Landscapes
Industry
Education
Scan time
3.5 hours
Location
Franconia, Germany
Size
3 hectares
Scanned
Cistercian Landscapes
Professor Hess and Carla Ferreyra | University of Bamberg
Background With the adoption of digital technologies such as laser scanning, photogrammetry and other digital tools becoming ever more prevalent in conservation and preservation; it is easy to see why, in 2017, the University of Bamberg launched a new master’s degree, ‘Digital Technologies in Heritage Conservation’. Spearheaded by Professor Mona Hess, the course covers the integration and adoption of digital technologies in heritage conservation and its further development, as well as raising the profile of this research topic. In addition to running the course, Professor Hess and her team often employ their skills and expertise in the field, creating 3D digital models for preservation purposes, to build knowledge of certain areas or to educate a wider audience about a new culture.
“The 3D recording is a methodological tool for the representation and interpretation of cultural heritage, landscape and architecture, to build knowledge, create meaning and make culture accessible to all.“
The Scan In 2020, Professor Hess was approached by ‘Cisterscapes | Cistercian Landcapes in Central Europe’ and was tasked with contributing to the digital recordings of 2 gardens. The scan would focus on the baroque agricultural buildings with designed gardens; Ebracher Hof in Mainstockheim and Ebracher Hof in Oberschwappach, both properties of the Ebrach Monastery.
The aim of the scan was to create reliable information, assess the landscapes development status and design management plans for maintenance and conservation. Professor Hess, accompanied by PHD student Carla Ferreyra, visited the sites in October 2020 to conduct the scans. With approximately 3 hectares of land to cover, the team needed a SLAM scanning solution that was quick, easy to use, suitable for both indoor/outdoor use and a solution with reliable results. Professor Hess chose GeoSLAMs ZEB Horizon with the ZEB Pano, because of the rapid data acquisition throughout the site up to 100m.
Other laser scanning techniques were considered in the planning process, however none quite provided the freedom the ZEB Horizon did, often with restrictions around mobility and time. In September 2020, a similar scan had taken place using a terrestrial laser scanner (TLS) of a specific area of the Mainstockheim garden. In comparison, the GeoSLAM scanner reduced the time and labour costs when completing the scan. The team were able to complete their scan of Mainstockheim (including an interior space of the baroque building) in just under 3 hours.
In Oberschwappach, the total scan time was approximately 30 minutes. Their only concern during the scan was encountering the general public, however due to the lightweight nature of the ZEB Horizon and Pano, it was easy to avoid busier parts of the garden. Where they did encounter other guests (due to their curiosity over the scanner) Professor Hess and Carla simply repeated the scan of that specific area. All in all, the scan was a success, and Professor Hess and Carla were able to deliver on their task.
The Results With the completion of the scan, not only does Professor Hess have fresh scan data that can be used to educate the next generation on how digital technologies can be used in heritage conservation, but they are also being used to extract 2D information, such as orthophotos, plans and sections in 1:50 scale and BIM models. Furthermore, videos of the scan were created – these serve as informational and educational pieces of content. Finally, the scans serve to raise awareness of these historic gardens, promote a scientifically accurate recording and also makes the heritage accessible to all. Professor Hess is currently using the scanner and scans for research & teaching, and she has observed that a lot of her students are enthusiastic about the speed of the process.
Looking Forward In 2021 Professor Hess is looking to extend the project further at Ebrach Abbey and the gardens, to contribute to the Cistercian Cultural Heritage project. Additionally, she is looking to create a digital twin model of a historic city using the ZEB Horizon, to research semantic 3D city models with information about urban heritage in the project ‘BIM to Twin’.
View and download data in our free point cloud viewer
Here’s some helpful tips for the best viewing experience
If your internet connection allows, move the Point Budget slider to the maximum amount available to view all the points in the cloud.
Making the point size smaller using the Point Size slider makes the data easier to view and interpret.
In the tools section of the viewer, you can measure the distance and angles of features within the pointcloud.
Using the materials section of the viewer, you can use the Select Attributes dropdown to view by intensity, elevation and RGB (if point cloud is coloured).
Would you like to see a specific dataset that’s not on this page? Contact [email protected]
GeoSLAM Sample Data
View and download data in our free point cloud viewer
Here’s some helpful tips for the best viewing experience
If your internet connection allows, move the Point Budget slider to the maximum amount available to view all the points in the cloud.
Making the point size smaller using the Point Size slider makes the data easier to view and interpret.
In the tools section of the viewer, you can measure the distance and angles of features within the pointcloud.
Using the materials section of the viewer, you can use the Select Attributes dropdown to view by intensity, elevation and RGB (if point cloud is coloured).
Village
Location: Residential Street in Yorkshire, UK ZEB Scanner: ZEB Horizon Scan time:10 Minutes
This data was captured using GeoSLAM’s car mount accessory with the ZEB Horizon.
Would you like to see a specific dataset that’s not on this page? Contact [email protected]
Virtually recreating theOld Tucson Studios
Industry
Conservation
Time
Two hours
Location
Tucson, Arizona
Size
42,000 sq/m
Scanned
Outdoor Film Studio
University of Arizona GIS Program | Words by Prof. Chris Lukinbeal
Between tours and filming, Old Tucson Studios is a dynamic environment that couldn’t shut down to accommodate our University of Arizona 3D scanning team. With the equivalent of four city blocks and dozens of building exteriors and interiors to scan, we had to move fast. The team relied on the ZEB Horizon mobile scanner equipped with the ZEB Cam to quickly and accurately capture the geometry, architecture and appearance of the film set.
We want film buffs to experience Old Tucson Studios the way it looked during its heyday when some of Hollywood’s biggest Western movies were filmed there. The colorized point clouds generated with the GeoSLAM devices will serve as the core data set upon which 3D models, and eventually, Virtual and Augmented Reality experiences will be created. Archived air photos and drone imagery, as well as photogrammetric measurements pulled from original films, will also help us create digital versions of the movie studio at key points in its history.
The ‘Downtown Tucson’ main street and plaza stretch almost a quarter mile. Stationary scanners may seem like the obvious choice for long-range data capture, but there wasn’t time to set up and take down those types of devices. And we needed richer detail. Our scan technician held the mobile ZEB Horizon and moved quickly through the streets, dodging studio personnel and vehicles. She entered those buildings with real interiors and scanned them as well.
Scanning with the ZEB Cam adds context to the point cloud. The scanner with mounted camera was held steady at chest level. At each building, the technician stopped and pointed the device directly at the façade as if snapping a still photo, and then slowly turned around to scan the surroundings. This captured a rich 3D scan data set for each structure along with its context on the movie set.
“I’ve seen the quality of the point cloud and it’s amazing“
The entire Downtown Tucson portion of the studio was scanned in two hours. Afterwards, the technician processed the scans and video footage into a colorized point cloud running the ZEB Hub software on a standard laptop. Extraneous people and vehicles were filtered from the point clouds later with an open-source third-party software.
Downtown Tucson with the saloon on the left
We will build 3D representations of the studio at major periods of its history – 1938 when it was built for the film Arizona, the 1950s and 60s when four John Wayne Westerns were shot there, and the mid-1990s just before a devastating fire. This will require merging the 3D models of today with archived air photos and film photogrammetry to re-create buildings that no longer exist.
In the future, you will be able to walk the Old Tucson Studios lot wearing a VR headset and ‘see’ how the site looked during filming of epic motion pictures such as Rio Bravo, Gunfight at OK the Coral, and Tombstone. Who knows? John Wayne himself might swagger out of the saloon doors right in front of you.
Minnesota Manholes– Scanning Safely and Quickly in Confined, Hazardous Spaces
Industry
Civil Engineering
Location
Minnesota, USA
Size
4,500 manholes
Scanned
Sewer pipe network
Public works and energy utilities are continually looking for new ways to protect the safety of their personnel in the field. With the help of the GeoSLAM ZEB Revo mobile laser scanner and the specially designed GeoSLAM Cradle, the cramped and hazardous spaces in manholes can now be captured in 3D without putting field workers at risk.
“An engineering survey firm scanned the interiors of 4,500 manholes with the ZEB Revo for a Minnesota municipality,”
What lies beneath the manhole covers found in nearly every city and town varies considerably. Some are access points to extensive storm water and sewer pipe networks. Others are entries into utility conduits through which water mains and electric lines are run. A few manholes are simply tight underground spaces where key pieces of municipal infrastructure reside.
Regardless of their function, manholes and the assets they contain are difficult and sometimes hazardous to map. Not only are the interior spaces dark, dirty, confined and usually wet, they pose potential risks related to cave-ins, poor ventilation and rodent infestations. Above ground, the manhole access points are often in the middle of busy streets requiring set-up of a cone zone to try and protect workers from passing traffic.
“You capture the data you need for one job and then have information someone else might need for another without a second site visit.“
This combination of hazards compels workers to spend as little time inside the manhole as possible. As a result, they have traditionally captured only the measurements they need for the project at hand – usually with a surveying level rod.
You capture the data you need for one job and then have information someone else might need for another without a second site visit. One of the most common applications is measuring the elevations of pipe inverts to map a water supply or drainage network in preparation for system expansion or maintenance. Personal hazards aside, making accurate asset measurements in a tight underground space with a long level rod can be challenging.
The ZEB Revo is increasingly being turned to for these jobs because the handheld laser scanner is fast, accurate, and captures comprehensive point clouds. Most importantly, it keeps personnel out of harm’s way. Favoured for manhole environments because of its high IP rating, which means it can be used in dirty and wet conditions, the ZEB Revo can be lowered into the underground space with the GeoSLAM Cradle.
manhole cover replacement, sewer system repair, sewerage; roadworks, traffic cones
In just a few minutes, the lightweight device can capture 360-degree scans inside the space regardless of available lighting. Even if the assets being surveyed are offset from the opening or several meters down tunnels, the ZEB Revo captures the 3D scan data needed to generate an accurate point cloud of the subsurface space.
“The first benefit of laser scanning [in manholes] is safety. The second is you collect a very comprehensive and complete data set. You capture the data you need for one job and then have information someone else [in the organization] might need for another…without a second site visit.
View and download data in our free point cloud viewer
Here’s some helpful tips for the best viewing experience
If your internet connection allows, move the Point Budget slider to the maximum amount available to view all the points in the cloud.
Making the point size smaller using the Point Size slider makes the data easier to view and interpret.
In the tools section of the viewer, you can measure the distance and angles of features within the pointcloud.
Using the materials section of the viewer, you can use the Select Attributes dropdown to view by intensity, elevation and RGB (if point cloud is coloured).
Bloom Cloud Engine is a powerful on-premise point cloud editor ideal for use in Design, Fabrication, and Construction applications. Easy to deploy across your project team, BloomCE allows users to optimize and condition the point cloud data from all reality capture modalities, providing the fundamentals for Asset Management and Digital Twin project requirements.
Blacklight, based in Romania, focuses on information technology that captures, measures and visualises data used in various fields of activity through providing valuable solutions.
Cybernetech Corporation, based in Japan, is a specialised trading company that offer advanced information and communication equipment and geospatial information technology.
Seiler Instrument is an American company that specialises in distributing surveying software and instruments serving industries such as surveying, engineering and construction.
Favre, Développement & Foresterie, based in Switzerland, are experts in geomatics and work with public and private landowners for forest management and environmental heritage.
3DT Digital Manufacturing is an Australian company that use the latest technology to adapt to changes in real time. It aims to help their customers become more efficient and productive.
Sigma Mascot, based in Hong Kong, provides solutions for 3D Laser Scanning, Geospatial systems and BIM services for industries such as Forestry, Construction and Real Estate.
Precision Laser & Instrument is an American company that offers comprehensive positioning solutions for the Construction, Survey, and GIS industries. They ensure high returns on investments and business success.
Export your point cloud into a range of formats, including LAZ, LAS, PLY and TXT. Datasets can also be exported as structured or unstructured E57 files, both of which include embedded panoramic images.
Surface normals at each point can now be computed from PLY and E57 formats, allowing users to export colourised data and create a high-quality polygonal mesh in third party software .
Stop and Go Georeferencing
Known control points are captured during a scan and automatically compared and matched to the associated coordinates during the processing stage in Connect. A rigid and/or a non-rigid adjustment can be made to the dataset and an accuracy report is exported, highlighting how successful the transformation was. Users can now view and manipulate the processing parameters to ensure a more accurate match between points.
Manual Alignment
Align multiple scans using a combination of manual and automatic processes. This workflow can be performed on two or more scans in the same project. Users have a choice to export the aligned scans separately or as a single merged point cloud.
JP Interactive Viewer
Leverage your GeoSLAM data by integrating JP Interactive Viewer into your workflows. JPIV allows you to unlock the full potential of your reality capture data and distribute actionable insights across your teams.
Our support team will be available for GeoSLAM Care customers on:
Monday 26th, 8 am – 4 pm (GMT)
Tuesday 27th, 8 am – 4 pm (GMT)
Wednesday 28th – 31st December – standard support hours
Monday 2nd January, 8 am – 4 pm (GMT)
From Tuesday 3rd January – standard support hours resume
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Click here to view the release notes.
Autodesk Recap
Autodesk Recap contains tools for the manipulation and interpretation of high quality point cloud data and to aid designers and engineers in their creation of 3D models for real-world projects and assets (e.g. buildings and other infrastructure). It’s integrated design features help to streamline workflows, for example Scan to BIM. Recap is used to create initial design projects that users can then take into other Autodesk modules (e.g. Revit, Navisworks, AutoCAD).
Autodesk Navisworks
Autodesk Navisworks is a comprehensive project review solution that supports co-ordination, analysis and communication of design intent and constructability. The software can be used as a common data environment (CDM) for multidisciplinary design data created in a broad range of Building Information Modelling (BIM) packages. Using the tools within Navisworks, users can anticipate and minimise and potential problems between the physical building and the structural model.
Autodesk Revit
Autodesk Revit is a building information modelling (BIM) software. It contains tools which allows for planning and tracking throughout the building’s lifecycle. The software also allows multiple disciplines to collaborate more efficiently and make more informed decisions early in the design process. As GeoSLAM’s hardware allows for quick data capture, the equipment can be used to scan any existing buildings with the purpose of using the data to produce a digital twin.
Orbit GT allows users to capture and manage available 3D data (LiDAR data and imagery), extract a range of features for map production and make data sharable. All Orbit modules are ready to be used with 3D data from indoor, oblique, UAS and mobile mapping projects with other extensions that can be added to the Publisher and Orbit Cloud. Orbit can be used with the ZEB Discovery solution.
ContextCapture
ContextCapture is a reality modelling tool, allowing for the import of any point cloud and imagery data for the creation of high resolution reality meshes. These realistic meshes are accurate representation in 3D with high resolution RGB values of any scanned environment. By using GeoSLAM data in ContextCapture the users are able to create indoor reality meshes, which has been never possible before.
Microstation
Microstation is a 2D/3D software for designing building and infrastructure projects. It includes building information modelling (BIM) tools to document and assess any type of asset throughout its lifecycle. GeoSLAM solutions are often used in Microstation in the underground mining sector and to assess the current stage of any built environment, update the design model, and generate BIM information.
Deswik
With the GeoSLAM Connect stop-and-go georeferencing feature, users can easily georeference headings from known positions and map for analysis of overbreak, underbreak, undercutting and blast roughness calculations. This information is used within Deswik Mapping to analyse headings and levels.
Esri
Outputs from GeoSLAM’s solutions can be input to Esri’s GIS programs and apps, including ArcPro, ArcDesktop, ArcGIS Online and ArcScene. Join point clouds with local geodata or classify and edit scans based on their geography and statistics.
Micromine is a detailed and diverse mining software that provides solutions including modelling, estimation, design, optimisation and scheduling. Once data is exported from Connect it can be imported into Micromine and easily converted into wireframes. These can be used in Micromine for further studies into volumetric slicing, over and underbreak analysis, geologic modelling, face mapping and many more.
Terrasolid provides tools for data processing of airborne and mobile mapping LiDAR data and imagery. It includes different modules for tasks like data manipulation, calibration, georeferencing, point cloud classification, modelling and many more. It is a very powerful tool for a variety of industries, surveyors, civil engineers, planners, designers. Full, UAV or lite versions of Terrasolid modules are available for both MicroStation or Spatix software. All GeoSLAM products are compatible with Terrasolid and GeoSLAM data can be enhanced and edited with this software.
Floorplanner
Floorplanner allows you to draw accurate 2D floorplans within minutes and decorate with over 150,000 items from kitchen appliances to tables and chairs. Data is exported from GeoSLAM Connect in PNG file format with a scale of 1cm per 1 pixel and can be taken into Floorplanner.
Unity
GeoSLAM 3D point cloud data can be imported into Unity 3D Game Engine to generate interactive 3D scenes, where users can create 3D BIM models with textures and explore the space in 3D photorealistic environments.
Unreal Engine
Although Unreal Engine is mainly built for developing games, increasingly users are starting to use it to develop VR applications for understanding the current conditions of buildings, infrastructure and similar. Unreal Engine with a point cloud plugin can be used to visualise GeoSLAM point clouds in VR, which allows for collaboration, simulation and the understanding of current conditions of any scanned environment. Additionally, Unreal Engine tools are completely free.
Veesus Arena4D
Arena4D is a software package for marking up, annotating and editing 3D point cloud data containing a various export capabilities. It has a powerful and simple to use animation package which allows users to visualise massive point clouds in a simple way. GeoSLAM data can be simply uploaded and used in this package for the assessment of the current conditions of any structure, comparing differences between captured data (as built) to designed model (as designed).
Pointfuse
Pointfuse generates 3D meshes from point cloud data and classifies them to building ceilings, walls, windows and other features in IFC format. By using GeoSLAM data with Pointfuse users can very quickly create a classified BIM model with minimal manual input or expertise needed.
MineRP
MineRP has a Spatial DB that uses GeoSLAM data to represent visually the real environment of the underground mine. The software uses other data layers to overlay information on the digital landscape for decision making and tracking.
Pointerra
Pointerra provides a powerful cloud based solution for managing, visualising, working in, analysing, using and sharing massive 3D point clouds and datasets. Pointerra allows users to simply visualise and interrogate GeoSLAM data from anywhere.
Nubigon
Nubigon is a software solution that allows users to seamlessly interact with large point clouds and create visualisations and animations. Take your GeoSLAM point cloud data into Nubigon to create eye-catching flythrough videos.
Here is an example of a visualisation created in Nubigon using GeoSLAM point cloud data:
SLAM Environmental Pre-sets
Common data capture scenarios, such as UAV, outdoor, indoor, linear, and vehicle, have been characterised in Connect and data processing pre-sets for each environment have been defined. These can be selected at the beginning of the data processing stage allowing this process to be highly simplified.
Closed and Open Loop Georeferencing
Both methods match the scan data from a ZEB Locate system with the GPS data collected from the antenna to georeference the point cloud. When a scan starts and ends in the same place, this is classed as “closed loop”. “Open loop” is when the start and end position of a scan are in different locations. Standard SLAM practices apply to both methods of data collection.
Open Loop SLAM for the ZEB Locate is available on request – let’s talk about it.
Stop and Go Alignment
Common static points are captured during several scans meaning that these datasets can be automatically aligned. A single point cloud is then exported as if the data was captured in a single scan.
Floor Slices
Horizontal and vertical slices can be taken from any location within the point cloud. Horizontal floor slices can also be automatically taken at a given height above the floor as defined in the processing stage.
Change Detection
Mostly used in the construction industry, multiple point clouds can be compared and any areas that have changed are automatically highlighted. Point clouds can also be compared with CAD models – for instance to track progress on a construction site – and PDF reports can be generated to present this information.
Queued Processing
Import multiple .geoslam files into Connect for processing and the scans will be processed in the order they were imported. The size of the queue can be defined by the user.
Enquire about the ZEB Horizon RT
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If your internet connection allows, move the Point Budget slider to the maximum amount available to view all the points in the cloud.
Making the point size smaller using the Point Size slider makes the data easier to view and interpret.
In the tools section of the viewer, you can measure the distance and angles of features within the pointcloud.
Using the materials section of the viewer, you can use the Select Attributes dropdown to view by intensity, elevation and RGB (if pointcloud is coloured)
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Coupling with hardware
Some SLAM software algorithms have been made available as open-source on the internet, but they are purely algorithms and not a product that you can take and use off-the-shelf. SLAM is most successful when it is tightly coupled and designed with specific hardware in mind. A generic SLAM cannot perform as well as one that has been specifically designed for a purpose.
Usage in multi-environments
Visual SLAM is closer to the way humans navigate the world, which is why it’s popular with robotic navigation. But in the same vein, vSLAM will have the same image-capture challenges as humans do, for example not being able to look into direct sunlight, or not having enough contrast between the objects picked up in the image. These can be overcome indoors, however, you may need to map a forest, tunnel or urban canyon. While SLAM technologies don’t rely on remote data (meaning you can scan areas where there is no GPS), you do need to ensure the SLAM technology you chose operate well inside, outside, in daylight and darkness.
Real-time data capture
Mapping a property is time-critical. Ideally, you want to make a single visit and gather sufficient data to create a highly accurate 3D model. Ensure the software you choose transforms 3D point cloud data into actionable information in real-time. This allows you to view and interrogate your data whilst still in the field, and make any adjustments, or collect missed data, then and there.
Flexibility and deployment
If you’re trying to map an enclosed environment (e.g. tunnel, mine) or a complex, difficult-to-access space such as a heritage building with tight stairwells and uneven floors, you need to use fully-mobile, adaptable technology. Wheel-based systems, often used with the vSLAM camera, will struggle with access. Handheld devices or LiDAR scanners that can be attached to a drone or pole and still deliver accurate results in a rugged environment are best for navigating hazardous spaces.
Speed and accuracy
While vSLAM is able to provide a qualitative high-level map and sense of the surrounding features, if you’re needing survey-quality accuracy and rich-feature tracking at a local level, you’ll need to consider LiDAR. Cameras require a high-frame-rate and high processing to reconcile data sources and a potential error in visual SLAM is reprojection error, which is the difference between the perceived location of each setpoint
and the actual setpoint.
Quality and distortion
In order to deliver the depth required for high-quality data, a number of depth-sensing cameras are needed with a strong field of view. In most cases, this isn’t possible, especially as cameras with high processing capabilities typically require larger batteries which weigh down airborne scanners, or limit the time of flight. LiDAR is both faster and more accurate than vSLAM, and can deliver detailed point clouds without expensive (and timely) camera processing.
