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What Is the Precision of Scanning with the NavVis VLX?
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What is the Precision of Scanning with the NavVis VLX?
3D laser scanning and building information modeling (BIM) is used for several applications in fields such as architecture, engineering, and construction. Professionals are now able to get reality capture information on properties thanks to this data. For the technology to be useful, it must also provide a high level of accuracy. Every project comes with its own requirements, and Existing Conditions uses a variety of 3D laser scanning technologies to meet clients' needs, including the new NavVis VLX.
The NavVis VLX is Incredibly Accurate
Working with Existing Conditions brings confidence, knowing that we work only with the latest, most advanced scanning technology. Our scanning equipment includes laser scanners from Leica and FARO, drones from DJI Technology Co., Ltd, and the NavVis VLX mobile mapping system. Depending on the project, we deploy the scanner that best meets the client's needs.
How Does the NavVis VLX Technology Work?
The NavVis VLX can handle everything from complex indoor spaces with challenging light conditions to outdoor environments and construction sites, with speeds up to 10 times faster than terrestrial laser scanners. A unique SLAM algorithm has been developed for the NavVis VLX that is specifically designed to overcome the challenges of capturing high-quality point clouds with a mobile device in all types of conditions.
Tools like the NavVis VLX, give architects, building owners, commercial real estate professionals, and facility managers the opportunity to understand their buildings in a very quick and cost-effective manner so that they do not have to take unnecessary risks.
The NavVis VLX is different from our terrestrial scanners, which are static and mounted on tripods. The NavVis VLX is a wearable device. Just think how long it would take you to walk around your office, your space, or the entire building. That is the time required for your scan. It's a tried and true workflow and your team will not be inconvenienced in any way. The day can carry on as normal.
The NavVis VLX utilizes a class one laser, meaning that it is not more intense than what you would see at the supermarket checkout. Here at Existing Conditions, we scan many museums and historical sites. The NavVis VLX laser, like all of our 3D scanners, will not damage artwork or any artifacts that are displayed in these buildings.
Since the laser beam is invisible, there are no distracting lights interfering with people’s daily activities. There's really nothing intrusive about it other than seeing somebody walking around with a device on their shoulders. “It's extremely efficient, fast, and precise," states Kurt Yeghian, Existing Conditions CEO.
Get the Data You Need
After 3D laser scanning your project, we will provide customized drawings and deliverables that meet your requirements. As an example, most clients request detailed floor plans, roof plans, and elevations, while some clients also request reflected ceiling plans and electrical plans. We can provide what you require.
In our quotes, we describe what will be included in the drawings. Our BIM managers will contact you to review the data when necessary to be sure we’re getting you as much situational awareness as possible.
Whether you're designing, managing, or buying a building, Existing Conditions provides you with an understanding of your most valuable asset, and gives you unprecedented situational awareness, something you will not find when looking at old rent rolls and paper drawings. This process allows you to make good decisions based on accurate as-built data, and not assumptions from inaccurate rent rolls or historic paper drawings
Planning a Project?
Interested in learning more about 3D laser scanning or mobile mapping with the NavVis VLX and what the Existing Conditions team can offer? Contact us today.
FAQs
How Does Laser Scanning Work?
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One primary method is that a laser scanner sends light pulses at high speeds which reflect off objects and return to the scanners’ sensor. For each pulse, the distance between the scanner and object is measured by determining the elapsed time between the sent and received pulses. Each point of the scan will be converted to a pixel with a known x-, y-, and z- coordinate. Laser scans or LiDAR scans are taken in multiple positions around a site from varying viewpoints. Millions of data points are captured and processed into a point cloud, creating an accurate data set of the structure or site.
What is a Digital Twin?
A digital twin is highly complex 3D virtual model of a physical building or infrastructure project that is the exact counterpart (or twin). Existing Conditions uses 3D laser scanners to collect real-time data in the form of point cloud and create a digital twin. Data can be easily visualized, measured, and analyzed. Digital twins can be used to improve efficiencies, optimize workflows and detect problems before they occur.
Why is a Point Cloud Important?
Point clouds provide powerful and dynamic information for a project. By representing spatial data as a collection of coordinates, point clouds deliver large datasets that can be mined for information. The visualization and analysis from this data is invaluable for decision making. Our Product team transforms point clouds into customized drawings and models used for visualization, analysis, design, construction, renovation, prefabrication, and facility modifications.
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