presentation and doubt about the appropriate scanner for tanks

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Daniel Marcos
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presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

Hello, my name is Daniel Marcos, Geomatics Engineer, I am from Asturias - Spain. I have a tank capacity cubing project, made of different materials (steel, wood, fiber) and approximate dimensions of about 3 m in diameter and 10 m in height. They have to be scanned from within. I have tried three scanners: Trimble X7, Leica RTC360 and Faro S70. The one that showed the best precision, after analyzing the point clouds and contrasting the data with the georeferenced inner targets, is the Leica scanner. Faro's has the same precision but more noise. And the X7 has the worst precision (up to 8mm uncertainty). Has anyone done similar work to guide me on the scanner to buy? Thanks and regards!
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Carbix »

whats your goal?
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Daniel Marcos
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

My goal is to certify the tank's cubic capacity with an uncertainty in the result of around 1%. You have to measure more than 1500 units, in different shapes and materials. I expected to find a scanner whose precision in the measurement of "short" distances was very high, since I see that the most precise has a precision of about 3 mm in many areas, I mean the term precision to repeat the measurement to the same point or one very close (1-2 mm). On the other hand, I expected not to obtain a lot of noise in the models obtained so as not to have to apply numerous filters in reducing it and to obtain the best estimate of the actual tank volume. I show images of cuts and measurements of 1mm sections in the point cloud obtained from the same tank with different scanners
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

rtc360 leica
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

trimble x7
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

faro s70
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

faro s70
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Daniel Marcos »

When working for an industrial sector, accustomed to taking measurements below the millimeter, they do not conceive that my uncertainty in obtaining the diameter of a 3 m diameter tank is about 4-5 mm. By multiplying these 4-5 mm by the 10 m height of the tank, an uncertainty of many liters is obtained
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Re: presentation and doubt about the appropriate scanner for tanks

Post by landmeterbeuckx »

You should test this with a tof scanner, not a phase based.
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Re: presentation and doubt about the appropriate scanner for tanks

Post by Ioannis »

Do you apply survey control to te targets with a total station?
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