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what to consider for LiDAR

07/04/2021

Studio Victoria

3 minutes

Laser scanning is also known as LiDAR and offers all kinds of benefits to construction, engineering, and surveying projects. It provides comprehensive information you can get on a map or survey, as it bounces lasers off of targets to form an accurate Point Cloud. To make sure you choose the right laser scanning solution for your project, in this article, we will be answering the following questions: What are the things you need to consider when looking for laser scanning solutions? What do we use laser scanning for? And what laser scanning solutions do we offer? Keep reading to find out the best solutions you need to help you #ONEUPYOURBUSINESS!

WHAT SHOULD YOU LOOK FOR WHEN CONSIDERING LASER SCANNING SOLUTIONS?

We understand that managing and capturing data is critical to any project, regardless of what industry or sector you are in. So, before you decide on a company to conduct a laser scan, there are a few key questions you should consider to help you get the best laser solution for you and your project:

1. HOW QUICK IS THE DATA AVAILABLE?

This entirely depends on the company as not every company may use the same methods. However, drones can capture data and conduct scans more efficiently and quickly compared to ground-based traditional surveyors. This is because scans can be performed remotely in a safe location (removing the need to travel around with equipment), operate in rugged terrain, get to obstructed areas easier, and cover more acres per hour.

2. WHAT QUALITY IS THE CAPTURED DATA?

A model should have the best data it can to give you the best results. Fortunately, laser scanning can provide highly accurate and detailed 3D Point Clouds as LiDAR units emit hundreds of thousands of light pulses per second, providing you with high-quality data.

3. IS THE SCAN COMPATIBLE WITH YOUR FORMAT?

You can have high-quality data in the quickest time using a laser scanner although, if the data captured doesn't match the formats and software you work with, then none of that matters.

The captured data Point Clouds are turned into digital presentations such as 3D Models. It's important that you access the data and that it is always accessible on multiple devices, wherever you are and know what technologies are compatible with it. For example, software such as <a href="/blog/what-is-gis/" class="white--text">GIS</a> can integrate various types of data and analyse and organise the layers of data into visualisations using maps and 3D scenes; helping you to manage your assets from a centralised location, enhance workflow and have ease of access to information. Virtual Reality technology can allow you to walk through your mapped environment and offer new points of views.

Having access to the scan helps you easily adjust any plans and improve collaboration, resulting in reducing costs and resolving any issues more quickly and efficiently. Therefore, you should consider the formats and software you work with or could be potentially working with.

4. ARE THERE ANY CHALLENGING CONDITIONS YOU ARE GOING TO FACE?

When wanting a laser scan, you should think of any challenges or risks. For instance, is what you want to scan hard to get to, in a tight space, obstructed etc.,? It is possible to close roads to perform a scan and also to use UAVs. UAVs provide the capability of scanning objects that are blocked by trees or objects in unusual locations or angles and operate in various weather conditions during the daytime and at nighttime. Identifying challenging conditions early on helps to cut down the time and risks associated significantly.

5. WHAT DISTANCE DO YOU NEED COVERING?

Understanding the distance range of what you want scanned helps to determine what equipment would be appropriate to use. If a company is using UVAs then they can determine for example if a fixed-wing drone or a multi-rotor drone would be appropriate to cover the radius of area.

6. HOW MUCH WILL IT COST TO COLLECT THE DATA?

Multiple factors can come into play when determining a laser scan's cost, and it is an essential factor when choosing the right company. A 3D laser scan survey conducted using UAVs is often cheaper, safer, and quicker than traditional methods. This is because UAVs can cover more area in less time with fewer logistics involved than conventional methods, all while eliminating human error in calculations, providing you with comprehensive and accurate data.

WHAT DO WE USE LASER SCANNING FOR?

We use laser scanning technology to produce highly accurate 3D Point Clouds of the following:

  • Wind turbines, bridges, dams, and other types of infrastructure
  • Buildings
  • Interior spaces
  • Terrains
  • Pipes, tanks and other elements

These 3D Point Clouds have multiple applications:

  • Accident reconstruction
  • Building preservation and restoration
  • Topographic surveys
  • Digital Twins for BIM
  • Video game development
  • Data analysis and Artificial Intelligence

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