Colored scaning workflow

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JkX7
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Colored scaning workflow

Post by JkX7 » Wed Nov 07, 2018 10:18 am

Hello, i just want to ask on your workflow when you make colored scaning. On many youtube clips i saw that everyone use colored scans imported to ReCap and then to Revit. It looks very nice, but making colored scaning is very time consuming. We are making laser scanning of buildings -> Revit modeling.

I'll be glad if anyone share his own opinion.

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gordonired
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Re: Colored scaning workflow

Post by gordonired » Wed Nov 07, 2018 4:00 pm

As a rule, I always do coloured scans, with only a few exceptions.

1) quick scans to tie different parts of my scan area together
2) darkened areas where colour will be worthless
3) scans that are meant only for measurement/reverse engineering purposes

Coloured scans look better, are easier to "work" with, and you can always remove the colour if it's not needed. Sure it adds a few minutes per scan on our Faro units, but that is hardly the end of the world.

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Re: Colored scaning workflow

Post by brian715 » Wed Nov 07, 2018 10:38 pm

gordonired wrote:
Wed Nov 07, 2018 4:00 pm

Coloured scans look better, are easier to "work" with, and you can always remove the colour if it's not needed. Sure it adds a few minutes per scan on our Faro units, but that is hardly the end of the world.
I don't agree. We switched to an Istar for color, hoping we could improve the process for colorizing the cloud. An extra 3+ minutes per scan for a large building with offices could nearly double the required scan time. On a project such as this with possibly thousands of scans, the picture speed is critical. The istar did not solve all our issues as the app does interesting things with outdoor scans. On some Jobs it doesn't matter as much, but for us, the color capture speed is real downer.

JkX7
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Re: Colored scaning workflow

Post by JkX7 » Sat Nov 10, 2018 12:56 pm

thank you for yours opinion. We are using terestrial scanner Faro Focus s150, if we do indoor grayscale scan with setting - 12,5mm/10m and 3x point control it takes about 1:30 min. And the same settings with color is about 5:20 min. So it is 3,5x longer.

I was curious if anybody use colorizing grayslace pointcloud using photos (Trimble RealWorks can do that) or maybe using combination of different techniques.

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