3D measurement of river length job

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terradat
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3D measurement of river length job

Post by terradat »

I have an enquiry that somebody reading this may be interested in assisting with:

They want to create a 3d tour of 3 rivers, including, measurement of the river edge profiles

The river lengths are approx 5 miles each and max. 100ft wide. The rivers run through a major city so an inital suggestion of aerial photogrammetry is not an option.

There is the capability of navigating the rivers from the center of the river. I was wondering if anyone could suggest a scanning solution that could be carried out from the boat combined with GPS for positioning.

I'm afraid I have no indication of required accuracy. The project is based in Canada, so if anybody based there can help I'd be pleased to put them in touch.

Thanks

Nick
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Alexander Freydin
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Re: 3D measurement of river length job

Post by Alexander Freydin »

It needn't to scan from the boat, I think. 100ft wide - it isn't too much. They could scan from the bank...
Maybe, am I wrong?
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Re: 3D measurement of river length job

Post by Bruno »

It has been done before with an Optech Lynx system.
lynx on a river.JPG
(picture: WH Pacific)

See the article in "The American Surveyor" of June 2009.

You could contact Optech to find a local service provider.

Bruno
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Re: 3D measurement of river length job

Post by Matt Young »

Nick,

I have sent you a video of a river vizualization we did recently, I could not show it on here for various reasons.

Matt
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Re: 3D measurement of river length job

Post by WillT »

Hi Nick,

As Bruno points out, one approach could be to use a LYNX.

Assuming that you are using a survey boat that has a POS/INS system, you may also consider using an Optech ILRIS-HD scanner.

Will
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Re: 3D measurement of river length job

Post by stevenramsey »

Hi WillT

Could you re post up your image I think images need to be in .jpg format.
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Re: 3D measurement of river length job

Post by Phil Marsh »

stevenramsey wrote:I think images need to be in .jpg format.
I think tif's should be fine but the upload didnt complete.
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Re: 3D measurement of river length job

Post by terradat »

Thanks to everyone for some very insightful answers. I will pass these on and try to feedback the final solution / results as and when the project takes place!

Cheers

Nick
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