Help Entwine at the Beginning

General Help
1

Hello,
I search someone for helping me with the beginning of the history :

entwine build -i https://data.entwine.io/red-rocks.laz -o ~/entwine/red-rocks

This work on my computer (PC), but when i try with my own laz file, it doesn’t work

do you know someone interested in helping me !
Patrick

From France

1 Like
2

Welcome Patrick!

I’ve tried generating an EPT with QGIS, and it too can’t generate a proper EPT with preview/statistics.

Do you have information about this dataset? How it was captured? Where? What sensor?

3

Hello,

We use a FARO S70

FARO® Focus Laser Scanners | Matériel | FARO

With Autodesk Recap we export LAZ file

It is points cloud

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4

Patrick, welcome. Are you using Entwine in docker? It was the easiest way for me to install. If so the you just need to tweak the instructions to link the docker file system and the OS file system.

This is the instruction I have been using successfully (excluding the docker bit). Remember you need to create the output folder before running the instruction.

entwine build -i ~/entwine/odm_georeferenced_model.las -o ~/entwine/newfolder
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5

(entwine) C:\Users\PB\Documents\Scan 3D\Conda test>entwine build -i ~/nuage1.laz -o ~/entwine
Scanning input
1/1: C:\Users\PB/nuage1.laz
Exception in pool task: During C:\Users\PB/nuage1.laz: Unable to open stream for ‘C:\Users\PB/nuage1.laz’ with error ‘No error’
SRS could not be determined
Encountered an error: No points found!
Exiting.

6

(entwine) C:\Users\PB\Documents\Scan 3D\Conda test>entwine build -c config1.json
Scanning input
1/1: C:\Users\PB/nuage1.laz
Exception in pool task: During C:\Users\PB/nuage1.laz: Unable to open stream for ‘C:\Users\PB/nuage1.laz’ with error ‘No error’
Encountered an error: No points found!
Exiting.

Config1.json :
{
“input”: “~/nuage1.laz”,
“reprojection”: { “out”: “EPSG:3857” },
“output”: “~/entwine/test1”
}

7

1/1: C:\Users\PB/nuage1.laz
Exception in pool task: During C:\Users\PB/nuage1.laz: Unable to open stream for ‘C:\Users\PB/nuage1.laz’ with error ‘No error’
Encountered an error: No points found!
Exiting.

8

This tracks with what I saw in CloudCompare and QGIS. It does not seem like the LAZ file has any georeference information written to it.

9

“reprojection”: { “out”: “EPSG:3857” },

so error in not here
but no point find

10

Hello,
Someone succeed to create ept with my laz file ?

11

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