Georeferenced 3D Data as a Starting Point of Asset Management

A 3D survey, whether it is done with sonar, laser or drone, pursues to make an exact model of the real world. In order to use survey data as a digital twin of its authentic counterpart, the survey data must include geospatial information, in addition to mere shapes and visual data. Survey data consists of millions of points, which together form a point cloud. In this point cloud, each point has its own geographic coordinates.


What is a geographic coordinate system?

A coordinate system is used to determine the relative position of a certain point on the Earth’s surface. Coordinates are expressed as X and Y values, which are measured as a distance from the known origin, and which present the point’s location with respect to latitude and longitude.

When creating a 3D model, the third dimension comes from the height. Height reference value expresses the distance (height) of a point from some reference surface. Height reference system varies in different countries or areas.

Performing a survey, the accuracy of location is fine-tuned in the post-processing phase, as the errors of survey equipment’s GPS locations are minimized using a known base station as a reference. After surveying and post-processing, an exact 3D model is formed. It is easier for the surveyor to verify the correct coordinate system before the actual field work, but the coordinate system of the survey data can also be changed in the post-processing phase.


Asset management requires georeferenced survey data

The property’s location is one of the most essential information in asset management, so the 3D models are usually uploaded to a GIS (Geographical Information System) platform to ensure their efficient use. When the survey data is in correct coordinate system, the model fits accurately on the map, which allows the utilization of location in different maintenance and property data management procedures.

Below video shows a simple example of georeferenced hydrographic survey data being utilized with hydrographic depth tools with just few clicks online.

Use hydrographic depth tools with few clicks only

 


Online platform for utilization of georeferenced survey data

The platform used in the video above is GISGRO, an online 3D data management software, which allows the surveyors and asset managers to visualize the survey data in map view and in 3D view, tied to a certain coordinate system. Metadata, or additional asset information is in coordinates to ensure it is easily usable in communication between management and maintenance personnel, as well as other stakeholders.

Try GISGRO now by getting free demo account credentials to your e-mail. We have pre-uploaded a data set for you, so you can get started straight away.

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GISGRO online asset management platform

To test it with your own data, you can start a free 28-day trial. For more information about survey data utilization, book a free 20-minute online demo with GISGRO specialist.

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