#three dimentional data

Three-dimensional data is increasingly becoming available from a wide range of sources. With numerous industries benefiting from its presence, it is not surprising to see how it is being incorporated beyond the usual applications that it used to be utilised for before. Below are some of the 3D data that are being explored in the three-dimensional platform.

Integrated mesh

This type of data is usually captured through an automated process for the construction of 3D objects that come from the overlapping imageries of large sets. The result then combines the original image information as a mesh that is textured through an interlaced triangular structure. This data can be used to represent both natural and built 3D features. This includes trees, building walls, cliffs, and valleys along with realistic textures. This can even include information on elevation. Scene layers that used integrated mesh are often created for the purposes of citywide mapping.

Lidar

Also referred to as light detection and ranging, it is a technique that uses optical remote sensing while using laser light in order to get the surface of the earth densely sampled. This is aimed to produce accurate measurements. It is primarily utilised in maser mapping applications that are airborne. It is an emerging alternative to the usual surveying techniques like photogrammetry and it is a cost-effective one too. The data sets that Lidar produces can be visualised, managed, analysed, and even shared.

Drone imagery

The past few years have seen an increase in the use of drones when it comes to capturing images for various local areas. Instead of the traditional ways that people gather imagery for settings that need to be mapped that were not as efficient and were quite costly too, drones are fast becoming more common these days. The fact that they are now able to capture high-resolution images make them a huge favourite in the industry too. Images that are taken from drones are usually tagged with specific geographic information. This details where the image was taken which means that it is then ready to use in various applications. This allows the users to view the raw images taken by the drones on an actual map. At the same time, it also allows one to create a two-dimensional map and three-dimensional scenes out of the images.

When it comes to the world underneath, navigation is presently disabled. This is to ensure that accidentally zooming in on a 3D scene’s ground surface is going to be prevented. This is also to help avoid becoming disoriented too. However, for those instances where the scene does need data and information that presently belongs underground as in the case of subsurface geological bodies and utility pipes, then this capability can just then be enabled for the three-dimensional scene.

Watch the video below to learn more.