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WHY A LASER SCANNER SURVEY? Back to menu
 

Let’s assume we are going to propose our work using laser scanner technology to a company operating a number of facilities located within different buildings, and that this company also has a technical design, maintenance and management department.

Let’s then further assume that this company needs to perform maintenance in one of its facilities and therefore needs a true-to-life mapping of the structures containing it.

This company would probably proceed as follows:
The company would send two technicians (perhaps a technical operator and a labourer), on site to carry out a survey of the actual situation (all the while trying to determine the level of difficulty of the survey and whether any technician or a highly specialised operator would have been the best choice for the job at hand).
The technicians perform the survey taking notes and photographs, direct and indirect measurements, control measurements, diagonal control measurements, etc.
The next day the technicians will have to rearrange their notes and start rendering the survey before too much time has passed to remember the meaning of certain notes. Let’s assume that the two technicians sent by the company are highly experienced and professional and that they are also “perfect” so as not to have overlooked any measurement or not be assailed by any doubts in the rendering phase – but is this really possible?
In the course of the next few days representations of the state of the facilities (plans, elevations and sections). The presence of the specialised technicians that the company has employed in the survey phase to ensure the most accurate results is also necessary in the rendering phase.

• How could that same company proceed using laser scanner technology in support of its technical staff?

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It could have the HERA technicians accompanied on-site by an engineer or an employee who, once the preliminary survey is done, may even decide to go back to his/her previous task, leaving the HERA technicians to carry out the laser scanner survey that has been commissioned.
The HERA technicians will provide the graphic-analytical rendering of the raw data necessary to obtain a point cloud and will provide the customer company with an online “webshare, link that will allow the customer to “walk” inside the facility that has just been surveyed (similarly to Google’s streetview application) and even take measurements everything that has been surveyed and is therefore visible (see webshare instructions and restricted area) .

The HERA technicians will prepare the orthoimages of plans, elevations and sectionsof the facilities and structures detected, shown to scale in CAD ​​environments.

     
             
     
             
         

At this point, the technical sector of our hypothetical customer company could proceed independently with the vectorisation of the orthoimages directly in CAD having only to trace the edges, and employing any designer who may not even have been on the survey site. Any doubt about the information in the orthoimages or in the renderings can be put to rest by checking the measurements on the webshare.

         


...what if our hypothetical customer does not have staff that can process the orthoimages in CAD?

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HERA can provide its customer company with the digitalisation of the orthoimages and the definitive 2D vector drawings in AutoCAD format or directly extracting plans, sections and vectorial elevations from the point cloud, using specific software.

     

This allows our customers to obtain maximum results with the minimum amount of effort and without having their technical work standards compromised.

Advantages: survey speed and accuracy;

the possibility of verifying measurements and images of the real state of surveyed objects from any computer with internet access, without having to store files as they would reside in our shared servers;
obtaining true-to-life and error-free floor plans, elevations and sections;
the possibility of continuing to manage the work according to one’s own standards and habits without having to purchase additional software and train staff to use it.


...and what if our hypothetical customer was going to work in 3D to later come up with plans, elevations and sections from the primary 3D model?

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HERA technicians will ensure the rendering of the 3D model with specific software with the possibility of then exporting it in CAD.

Example of a 3D model obtained with laser scanner technology.
     
             
     
             
           

 
 
Hera S.r.l.
Via Siria, 102 - 58100 Grosseto - ITALIA - Telefono +39 0564 21548 - Fax: +39 0564 424471 - laser-scanner@herasrl.it