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Introducing a new dimension in reality capture and a new way of working for 3D laser scanning.
Introducing a new dimension in reality capture and a new way of working for 3D laser scanning.
Expert Insight
By Yannick Stenger, Reality Capture Software Product Manager, Hexagon Geosystems
Building Information Modelling (BIM) has quickly become the three most important words in buildings and infrastructure construction. Successful BIM goes beyond just 3D modelling; it is a complete digital representation of a building that can be used throughout its entire life. With BIM, the right information becomes accessible from everywhere, to everyone, and during every phase of the building, from the initial design and construction through to the everyday operation of the building.
While BIM promises to close the gap between design and construction, in practice, that gap can still emerge. For example, discrepancies often arise between the original design models and what’s actually built on-site. These mismatches can cause costly delays, expensive rework, and budget overruns, threatening the success of the project.
Here, reality capture technology can help. 3D laser scanners, like the Leica RTC360 can create point clouds showing exactly what has been built on a construction site, and then reality capture software can compare this against the intended design, highlighting any discrepancies.
Leica Cyclone 3DR has evolved to support this growing need for BIM analysis, making the process faster, more accurate, and easier to use.
Cyclone 3DR is not just software for reality capture. It has become a key part of many modern BIM workflows. The piece of software serves as an ideal companion application, using reality capture data to enhance BIM workflows throughout the entire project lifecycle, from design and construction to operations and maintenance.
Cyclone 3DR brings several key capabilities that allow it to enhance and seamlessly integrate with existing BIM workflows:
The software is accessible not just to surveyors and technical specialists but to the broader construction ecosystem, including architects, engineers, VDC specialists, BIM managers, and construction site personnel.
BIM Alignment - the foundation
Before any meaningful analysis can begin, digital models must be properly aligned with reality capture data. However, this geo-referencing process can be a significant barrier for anyone who isn’t a professional surveyor.
The BIM Alignment feature in Cyclone 3DR simplifies this complex process into a user-friendly workflow that requires minimal clicks and parameters. This necessary first step before additional BIM analysis ensures that project teams can work with properly aligned data without requiring surveying expertise.ows and progress monitoring for AEC.
Running a BIM Alignment is the preliminary step for all BIM analysis workflows listed below.
BIM Inspection - simplifies quality assurance
BIM Inspection verifies whether facilities are built as expected and maintains continuous quality control throughout construction. The tool compares as-built conditions captured through reality capture with the original design models. BIM Inspection can be performed in the office or in the field using Cyclone 3DR Touch Mode for Windows tablets.
Users can generate detailed reports and colour maps that highlight deviations between the intended design and the actual construction.
The workflow supports various deliverables, including deviation measurements, BCF notes for collaboration, PDF reports, and visual colourmaps in either OBJ format or the widely compatible FBX format.
This is invaluable for construction quality assurance, quick spot checks for tolerance, updating the design or BIM model, and coordinating between project stakeholders.
BIM Inspection in Cyclone 3DR clearly highlights deviations between as-built conditions and the original design using coloured heatmaps.
Progress Monitoring - AI-enhanced project tracking
The Progress Monitoring workflow determines how much of the BIM model has been built. Like BIM Inspection, the original design models are compared against the as-built point cloud data. The output is a report, which can range from a simple progress summary to an asset-by-asset analysis showing detailed results and screenshots of each deviation.
The benefits of the Progress Monitoring workflow extend beyond just monitoring the progress of construction:
Better still, recent AI enhancements have significantly improved the accuracy and efficiency of the Progress Monitoring workflow. Users are now guided to incorporate an initial Point Cloud Classification based on an updated version of the Indoor Construction Site Model.
This means less manual verification work and creates an almost automatic experience from analysis to final report delivery, saving valuable time for project teams. Moreover, this additional AI step does not decrease the computation performance compared to the regular analysis.
False positives (shown in yellow) are significantly reduced following an initial AI analysis of the point cloud, before proceeding with the regular Progress Monitoring workflow.
An example of the simple summary provided in the Progress Monitoring report in Cyclone 3DR.
Clash Analysis - conflict detection and resolution
Failing to detect potential clashes between different design models, such as structural and MEP systems, can lead to expensive rework during construction, like rerouting pipes or electrical systems.
Clash Analysis in Cyclone 3DR provides a systematic approach to identifying potential clashes between models before they become costly field issues. The workflow is also valuable when test-fitting new objects during retrofits, comparing a planned MEP network against existing structural beams, and ensuring enough clearance before installing new equipment.
The analysis automatically generates a report that lists each detected clash, helping teams prioritise and address conflicts efficiently. Users can adjust tolerance settings, cluster distances, and filtering parameters to match their specific preferences and the project specifications, reducing false positives.
Clash Analysis is best performed on specific objects in isolation, rather than running an analysis on hundreds or thousands of objects at once. This generates a manageable number of clashes.
The Results section allows users to review each identified clash individually. After verification, clashes are colour-coded as green, orange, or red on the point cloud to show their resolution status.
Visual Notes - simple, but powerful
When comparing a point cloud and BIM model, advanced analysis tools are helpful, but basic comparisons are often all that’s needed.
Visual Notes is an analysis feature that automatically builds a report based on a visual inspection of the model in Cyclone 3DR.
Unlike other BIM tools, there is no algorithm involved. Users simply attach notes to specific objects, take basic 2D measurements, and then export a report in one click.
Each note can contain a variety of information, including the GUID of the BIM object, a description of the issue, and screenshots. It can then be assigned to a specific user with a priority level and sent to their email address.
The feature provides a simple way for users to report larger issues that a BIM Inspection colourmap might not explain. For example, significant gaps between a design model and the as-built reality, such as if a doorway is completely missing. The strength of Cyclone 3DR is its powerful reporting capacity: once all the notes are created, the report is automatically pre-filled and just a couple of verification actions is required to finalize the delivery of the comparison conclusion.
The Visual Notes feature enables users to create a BCF ticket linked to a certain object in a point cloud.
Cyclone 3DR's strength lies not just in its analysis capabilities, but in how it easily connects with the broader BIM ecosystem.
For example, Cyclone 3DR supports the open-standard BIM Collaboration Format (BCF), allowing teams to share analysis results directly with their existing BIM software without compatibility issues.
BCF support enables teams to create structured tickets containing coordinates, screenshots, measurements, and references to specific BIM model objects. These tickets can be shared across different BIM applications and project management platforms, facilitating seamless collaboration between field and office teams. Instead of managing complex file exchanges or risking information loss through emails or messages, teams can assign responsibilities, set priorities, and track issues through integrated workflows.
The Visual Notes feature, for example, links each note to the exact element in the BIM model. Because notes are exported as a BCF, they can then be opened in other BIM software (like Revit and Navisworks) and still point to the exact same objects. This keeps collaboration accurate and seamless, supporting an open-BIM workflow between architects, engineers, and contractors.
Cyclone 3DR supports the import and export of various formats, including IFC, RVT, COE, DXF, and DWG files for CAD integration. Additionally, the software can export mesh data and pipe models to IFC format, ensuring compatibility with downstream BIM processes.
everal factors distinguish Cyclone 3DR as a key tool for BIM analysis:
Versatility and integration: The software combines multiple analysis tools within a single platform, offering comprehensive capabilities rather than point solutions.
Desktop-based performance: As a desktop application, Cyclone 3DR provides robust computing performance for creating detailed reports and colourmaps in seconds or minutes rather than hours.
Offline access: Cyclone 3DR can run completely offline, including the AI point cloud classification process to prepare the data. This is important for remote construction sites.
Automated reporting: The software streamlines decision-making through automatic report generation, reducing time-consuming manual verification or cleaning.
Accessibility: Despite its sophisticated capabilities, Cyclone 3DR uses an approachable user interface that doesn't restrict usage to just technical experts.
Cyclone 3DR is being continually updated to reflect the evolving needs of the construction industry.
In the near term, more design model formats will be supported. This will expand compatibility with virtual and 3D design workflows. Additionally, new tolerance workflow capabilities will provide asset-specific analysis, allowing teams to apply different standards and requirements to individual project components.
Future releases will continue to add more AI-driven technologies for asset detection and segmentation, building on the success of current point cloud classification capabilities. These will further reduce manual data processing requirements and improve analysis accuracy.
Enhanced Scan-to-BIM capabilities will include improved Scan-to-Pipe modelling tools and new Scan-to-Steel functionality, supporting the primary use cases for reality capture in construction projects.
Continued focus on user experience improvements will make the software increasingly accessible to non-experts and new users. Upgraded rendering and navigation capabilities will help bring the benefits of 3D visualisation to the entire project team.
Support for additional file formats and improved integration capabilities will ensure Cyclone 3DR remains compatible with evolving industry standards and workflows.
Comparing point clouds and BIM models is no longer an intimidating task – Cyclone 3DR’s powerful analysis tools, user-friendly interface, and collaboration features make this both efficient and accessible to the broader construction industry.
For teams looking to implement reliable Scan-to-Verify workflows in their BIM projects, Cyclone 3DR offers a comprehensive and disruptive solution that connects seamlessly with existing workflows and other BIM software.
The future of construction increasingly depends on accurate, real-time information between field conditions and digital processes to enhance decision-making. Cyclone 3DR acts as an essential tool in this transformation, making sophisticated reality capture analysis both achievable and practical for projects of all scales.
Interested in learning more about BIM Analysis check out our Advanced BIM Analysis in Cyclone 3DR webinar.
Yannick Stenger
Product Manager
Reality Capture Software
