NavVis VLX embedded pano images

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Re: NavVis VLX embedded pano images

Post by smacl »

ericguizzetti wrote: Tue Mar 21, 2023 12:19 amThis looks more like a projection of the point cloud than using mirror balls?
Very much the same thing. A panoramic photo is simply one where pixels are spaced at regular horizontal and vertical angles, as opposed to an orthophoto where they're spaced at regular cartesian intervals or a flat photo where they are in a perspective projection. How you choose to project the point cloud onto the photography and display the result varies, but you can expect to see some curvature on your pano images unless you use a very narrow field of view. Personally, I like using the panos alongside orthographic views such as plans or elevations as this can simplify drawing detail. The mirror ball is just a full screen view of the point cloud and model projected onto the pano photography using a default field of view suitable to the camera in use, with the result that straight lines will appear curved unless zoomed in close.
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Re: NavVis VLX embedded pano images

Post by smacl »

ericguizzetti wrote: Tue Mar 21, 2023 12:21 amThe 360-degree views from the VLX are pretty low quality anyway. Not sure why you would work so hard for such crappy views...
Depends very much on what you're using them for. In topographic work, they're great for things like picking up concrete inspection covers on a concrete pavement, which can be very difficult to see in the point cloud. To be fair, the NavVis point cloud is dense with minimal noise, so the photography is not needed nearly so much as with other mobile mapping systems. See the example below for picking up a manhole with a Geoslam.

Image

For adding detail, the usefulness of the images is also a function of how often they're taken as well as the individual image quality. More frequent lower resolution images can be more useful than infrequent higher resolution images. Lots of very high-resolution images can also significantly slow down data transfer and processing so it is a matter of finding the right balance for the job in hand. What you want for a pano tour inside a building is very different from what you want to complete a topo survey model.
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Re: NavVis VLX embedded pano images

Post by VXGrid »

smacl wrote: Tue Mar 21, 2023 9:54 am
ericguizzetti wrote: Tue Mar 21, 2023 12:21 amThe 360-degree views from the VLX are pretty low quality anyway. Not sure why you would work so hard for such crappy views...
Depends very much on what you're using them for. In topographic work, they're great for things like picking up concrete inspection covers on a concrete pavement, which can be very difficult to see in the point cloud. To be fair, the NavVis point cloud is dense with minimal noise, so the photography is not needed nearly so much as with other mobile mapping systems. See the example below for picking up a manhole with a Geoslam.

For adding detail, the usefulness of the images is also a function of how often they're taken as well as the individual image quality. More frequent lower resolution images can be more useful than infrequent higher resolution images. Lots of very high-resolution images can also significantly slow down data transfer and processing so it is a matter of finding the right balance for the job in hand. What you want for a pano tour inside a building is very different from what you want to complete a topo survey model.
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For smaller objects there is no other way to detect it without panoramas.
Try power sockets in indoor applications.
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Re: NavVis VLX embedded pano images

Post by sim.herrod »

ericguizzetti wrote: Tue Mar 21, 2023 12:21 am
sim.herrod wrote: Wed Feb 09, 2022 9:14 am
A_Axelsson wrote: Tue Feb 08, 2022 7:42 pm Has anyone been able to import the E57 files containg panoramas into ReCap hand have them show up as Realviews there?
It seems that all the required info about the panoramas are there in the metadata in the E57-file..
We haven't tried that, purely because we try and avoid ReCap when at all possible.
The 360-degree views from the VLX are pretty low quality anyway. Not sure why you would work so hard for such crappy views...
Because 8192x4096 panos from the VLX are more than adequate for internal photo tours, and capturing panos with a better camera in addition to the VLX would add unnecessary time and costs to the job.

There's a time and a place for hi-res Mosaic 51/Weiss Civetta type panos or DSLR/Nodal Ninja, but the VLX panos are more than suitable in the right circumstances.
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Re: NavVis VLX embedded pano images

Post by jitenderr786 »

Hi all,

I hope this message finds you well. I have a question regarding Navis SiteMaker version 22.04 on the Ubuntu operating system. When exporting in the E57 file format using advanced settings with "--e57-with-panos," I'm unsure about the corresponding setting for exporting PTS data with panoramas included. Is the correct setting "--pts-with-panos"? Your guidance on this matter would be highly appreciated.
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Re: NavVis VLX embedded pano images

Post by smacl »

jitenderr786 wrote: Wed Jan 31, 2024 1:04 pm Hi all,

I hope this message finds you well. I have a question regarding Navis SiteMaker version 22.04 on the Ubuntu operating system. When exporting in the E57 file format using advanced settings with "--e57-with-panos," I'm unsure about the corresponding setting for exporting PTS data with panoramas included. Is the correct setting "--pts-with-panos"? Your guidance on this matter would be highly appreciated.
e57.jpg
Thank you,
Jitender
PTS is a very simple flat text format which does not include the ability to store pano images. To use panos with a PTS file you'd need to export a trajectory file including image name, camera position and camera pose and a set of matching JPG files. I'm not that familiar with Ivion but would guess you can do it.
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Re: NavVis VLX embedded pano images

Post by berdindc »

This was the most relevant forum post, so tagging on to the end....

Our client is using IVION simply to view panos for a large building. We captured data 2 years back. To host this data for another year is $9500. Then again next year....

The VLX has been a great tool for us. However, this pricing issue on hosting/sharing this data long term is hard to stomach. Works out to $1.50/year to host one pano for this job (6600 panos, 280gb data)

I am not sure what the solution is, but for this particular job, the cost is quite large. There has to to a more economical solution for long term archiving and viewing of georeferenced panos. Currently a big pain point for us and the VLX
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Re: NavVis VLX embedded pano images

Post by landmeterbeuckx »

berdindc wrote: Thu Mar 14, 2024 6:49 pm This was the most relevant forum post, so tagging on to the end....

Our client is using IVION simply to view panos for a large building. We captured data 2 years back. To host this data for another year is $9500. Then again next year....

The VLX has been a great tool for us. However, this pricing issue on hosting/sharing this data long term is hard to stomach. Works out to $1.50/year to host one pano for this job (6600 panos, 280gb data)

I am not sure what the solution is, but for this particular job, the cost is quite large. There has to to a more economical solution for long term archiving and viewing of georeferenced panos. Currently a big pain point for us and the VLX
9500€ for one project :o Do you have analytics of the data used? Is that possible with Ivion. My guess is the data just sleeps and sometimes one may look at a pano or 2 for a certain purpose and that's it.
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Re: NavVis VLX embedded pano images

Post by gsisman »

berdindc wrote: Thu Mar 14, 2024 6:49 pm This was the most relevant forum post, so tagging on to the end....

Our client is using IVION simply to view panos for a large building. We captured data 2 years back. To host this data for another year is $9500. Then again next year....

The VLX has been a great tool for us. However, this pricing issue on hosting/sharing this data long term is hard to stomach. Works out to $1.50/year to host one pano for this job (6600 panos, 280gb data)

I am not sure what the solution is, but for this particular job, the cost is quite large. There has to to a more economical solution for long term archiving and viewing of georeferenced panos. Currently a big pain point for us and the VLX
Yep

This is why we just can't use IVION for an Enterprise system. Unless they come up with an on-prem version of it- as well as the county IT want TOTAL management of the storage of the archival records. Our projects sometimes last for years. Waiting for NavVis to come out with a useable format to store their panos in and E57 export that can be ingested in other systems. Or in Leica opening up enough to allow E57 with embedded panos into their "ecosystem" -but first they need to get their own TRK data to do that!
Anyone know of any others? I'm sure probably there is a programmatic way to use an export of Panos and Spreadsheet of photo position ,pose and pitch etc that might ingest to a viewer like POTREE ? the visualization of the point-clouds I think is still slower than the Euclidian technology embedded in LGS/LGSx
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Re: NavVis VLX embedded pano images

Post by smacl »

gsisman wrote: Thu Mar 14, 2024 8:49 pmYep

This is why we just can't use IVION for an Enterprise system. Unless they come up with an on-prem version of it- as well as the county IT want TOTAL management of the storage of the archival records. Our projects sometimes last for years. Waiting for NavVis to come out with a useable format to store their panos in and E57 export that can be ingested in other systems. Or in Leica opening up enough to allow E57 with embedded panos into their "ecosystem" -but first they need to get their own TRK data to do that!
Anyone know of any others? I'm sure probably there is a programmatic way to use an export of Panos and Spreadsheet of photo position ,pose and pitch etc that might ingest to a viewer like POTREE ? the visualization of the point-clouds I think is still slower than the Euclidian technology embedded in LGS/LGSx
I think POTREE can support pano images Steve, but like most things with POTREE you need to invest a bit of time in getting to grips with it. We already export to POTREE in SCC, could be an interesting enhancement to see if we could add the panos coming from an E57. We added vector support to our potree output but haven't done much with it since. Rendering speed on POTREE isn't bad but you'd need to do your own research to see if it meets your needs, remembering point clouds tend to get bigger year on year.
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