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Topics - Dieter

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1
General / Project is empty after crash
« on: September 26, 2024, 07:16:21 PM »
The following problem:

I have a large project with 30000 images and 120 scans. I wanted to calculate the dense point cloud. After about 3 hours, the calculation crashed. After that, I was able to open the project, but without any content. The project is completely empty. The folders on the hard drive are all still there with data, but I can't open the project anymore. Attaching to an empty project also doesn't work.

Any tips?

Konsole after opening the project:
2024-09-26 18:07:17 Agisoft Metashape Professional Version: 2.1.3 build 18946 (64 bit)
2024-09-26 18:07:17 Platform: Windows
2024-09-26 18:07:17 CPU: 13th Gen Intel(R) Core(TM) i9-13900KF
2024-09-26 18:07:17 CPU family: 6 model: 183 signature: B0671h
2024-09-26 18:07:17 RAM: 127.8 GB
2024-09-26 18:07:18 OpenGL Vendor: NVIDIA Corporation
2024-09-26 18:07:18 OpenGL Renderer: NVIDIA GeForce RTX 4080 SUPER/PCIe/SSE2
2024-09-26 18:07:18 OpenGL Version: 4.6.0 NVIDIA 552.22
2024-09-26 18:07:18 Maximum Texture Size: 32768
2024-09-26 18:07:18 Quad Buffered Stereo: not enabled
2024-09-26 18:07:18 ARB_vertex_buffer_object: supported
2024-09-26 18:07:18 ARB_texture_non_power_of_two: supported
2024-09-26 18:07:25 LoadProject: path = F:/2023-210 Flemlingen, Burg Neuscharfeneck/agisoft/2023-210 Flemlingen, Burg Neuscharfeneck.psx
2024-09-26 18:07:25 loaded project in 0.001 sec
2024-09-26 18:07:25 Finished processing in 0.001 sec (exit code 1)

Tree from project:
+---2023-210 Flemlingen, Burg Neuscharfeneck.files
    +---0
        +---0
            +---dense_cloud.10
            +---dense_cloud.100
            +---dense_cloud.101
            +---dense_cloud.102
            +---dense_cloud.103
            +---dense_cloud.104
            +---dense_cloud.105
            +---dense_cloud.106
            +---dense_cloud.107
            +---dense_cloud.108
            +---dense_cloud.109
            +---dense_cloud.11
            +---dense_cloud.110
            +---dense_cloud.111
            +---dense_cloud.112
            +---dense_cloud.113
            +---dense_cloud.114
            +---dense_cloud.115
            +---dense_cloud.116
            +---dense_cloud.117
            +---dense_cloud.118
            +---dense_cloud.119
            +---dense_cloud.12
            +---dense_cloud.120
            +---dense_cloud.121
            +---dense_cloud.122
            +---dense_cloud.123
            +---dense_cloud.124
            +---dense_cloud.125
            +---dense_cloud.126
            +---dense_cloud.127
            +---dense_cloud.128
            +---dense_cloud.129
            +---dense_cloud.13
            +---dense_cloud.130
            +---dense_cloud.131
            +---dense_cloud.132
            +---dense_cloud.133
            +---dense_cloud.134
            +---dense_cloud.135
            +---dense_cloud.136
            +---dense_cloud.137
            +---dense_cloud.138
            +---dense_cloud.139
            +---dense_cloud.14
            +---dense_cloud.140
            +---dense_cloud.141
            +---dense_cloud.142
            +---dense_cloud.143
            +---dense_cloud.144
            +---dense_cloud.145
            +---dense_cloud.146
            +---dense_cloud.15
            +---dense_cloud.153
            +---dense_cloud.154
            +---dense_cloud.155
            +---dense_cloud.156
            +---dense_cloud.157
            +---dense_cloud.158
            +---dense_cloud.16
            +---dense_cloud.165
            +---dense_cloud.166
            +---dense_cloud.167
            +---dense_cloud.168
            +---dense_cloud.169
            +---dense_cloud.17
            +---dense_cloud.170
            +---dense_cloud.18
            +---dense_cloud.19
            +---dense_cloud.20
            +---dense_cloud.21
            +---dense_cloud.22
            +---dense_cloud.23
            +---dense_cloud.24
            +---dense_cloud.25
            +---dense_cloud.26
            +---dense_cloud.27
            +---dense_cloud.28
            +---dense_cloud.29
            +---dense_cloud.3
            +---dense_cloud.30
            +---dense_cloud.31
            +---dense_cloud.32
            +---dense_cloud.33
            +---dense_cloud.34
            +---dense_cloud.35
            +---dense_cloud.36
            +---dense_cloud.37
            +---dense_cloud.38
            +---dense_cloud.39
            +---dense_cloud.4
            +---dense_cloud.40
            +---dense_cloud.41
            +---dense_cloud.42
            +---dense_cloud.43
            +---dense_cloud.44
            +---dense_cloud.45
            +---dense_cloud.46
            +---dense_cloud.47
            +---dense_cloud.48
            +---dense_cloud.49
            +---dense_cloud.5
            +---dense_cloud.50
            +---dense_cloud.51
            +---dense_cloud.52
            +---dense_cloud.53
            +---dense_cloud.54
            +---dense_cloud.55
            +---dense_cloud.56
            +---dense_cloud.57
            +---dense_cloud.58
            +---dense_cloud.59
            +---dense_cloud.6
            +---dense_cloud.60
            +---dense_cloud.61
            +---dense_cloud.62
            +---dense_cloud.63
            +---dense_cloud.64
            +---dense_cloud.65
            +---dense_cloud.66
            +---dense_cloud.67
            +---dense_cloud.68
            +---dense_cloud.69
            +---dense_cloud.7
            +---dense_cloud.70
            +---dense_cloud.71
            +---dense_cloud.72
            +---dense_cloud.73
            +---dense_cloud.74
            +---dense_cloud.75
            +---dense_cloud.76
            +---dense_cloud.77
            +---dense_cloud.78
            +---dense_cloud.79
            +---dense_cloud.8
            +---dense_cloud.80
            +---dense_cloud.81
            +---dense_cloud.82
            +---dense_cloud.83
            +---dense_cloud.84
            +---dense_cloud.85
            +---dense_cloud.86
            +---dense_cloud.87
            +---dense_cloud.88
            +---dense_cloud.89
            +---dense_cloud.9
            +---dense_cloud.90
            +---dense_cloud.91
            +---dense_cloud.92
            +---dense_cloud.93
            +---dense_cloud.94
            +---dense_cloud.95
            +---dense_cloud.96
            +---dense_cloud.97
            +---dense_cloud.98
            +---dense_cloud.99
            +---depth_maps
            +---depth_maps.1
            +---depth_maps.2
            +---depth_maps.3
            +---images
            +---masks
            +---merge_chunks.tmp
            +---merge_chunks.tmp.1
            +---merge_chunks.tmp.2
            +---merge_chunks.tmp.3
            +---model
            +---model.1
            +---model.2
            +---orthomosaic
            ¦   +---seamlines
            +---orthomosaic.1
            ¦   +---seamlines
            +---orthomosaic.2
            ¦   +---seamlines
            +---orthomosaic.3
            ¦   +---seamlines
            +---orthomosaic.4
            ¦   +---seamlines
            +---point_cloud.1
            +---point_cloud.2
            +---sample_model.tmp
            +---sample_model.tmp.1
            +---shapes
            +---thumbnails
            +---thumbnails.1
            +---tiled_model
            +---tiled_model.2
            +---tiled_model.3
            +---tiled_model.5





2
General / Orthomosaik in greyscale
« on: September 05, 2024, 06:54:55 PM »
Has anyone ever had that?
All orthomosaics come out as a grayscale image, colors say 1 channel, uint8.

All activated images are colorful, all scans with their images, which are grayscale, are deactivated.

I've tried everything for 3 hours now.....


3
General / Quality report for aligning laserscans
« on: August 21, 2024, 06:32:43 PM »
Now that the output in E57 format works then we should turn to the next -very important function for a surveyor- a proof of accuracy in alligning laser scans.

It would be very nice to have a graphical preparation with the corresponding errors of the individual points analogous to the output mask "Show matches" for the TiePoints.

In addition, the following information should be presented:
-Distribution and number of identical points found
-Accuracy of the identical points found
-And from this calculates a key figure for quality estimation (0=bad 100=super)

Other suggestions are welcome.


Dieter

4
General / Fotos with different resolution
« on: June 10, 2024, 08:45:58 PM »
Hello, short question about camera calibration.

I have photos here, which were taken with an iPad, some of them in the resolution 2124*2832, the focal length is given as 14 mm. Other images were created in a lower resolution of 1024*768. No focal length was specified in the image data. In metashape, the data is read in with "NC not calibrated". Do I then have problems in the calculation or does a focal length have to be specified here?

If so, can I just take the sensor size and focal length from the photos with 2124*2832 resolution?

Dieter

5
General / Assertion Error
« on: May 27, 2024, 09:29:07 AM »
Since version 2.1.1 I have repeatedly had crashes and error messages when creating the mesh. This morning again on a project with 223 laser scans and 12820 photos. The mesh creation is actually completed as you can see in the log, but then an error message appears. PC with Windows 11 prof, 128 GB RAM, Nvidia RTX 4080 Super with last drivers


2024-05-27 07:13:09 Level #18/18: part #60/257
2024-05-27 07:13:09 Loading cubes...
2024-05-27 07:13:20 Peak memory used: 61.09 GB at 2024-05-26 10:18:30
2024-05-27 07:13:20 deleting all temporary files...
2024-05-27 07:13:29 done in 8.681 s
2024-05-27 07:13:29 Finished processing in 163404 sec (exit code 0)
2024-05-27 07:13:29 Error: Assertion "23910919" failed at line 65


How can I avoid that?

Dieter

6
General / Export Laserscans as E57 in structured format?
« on: May 22, 2024, 02:34:24 PM »
Hello,
we work a lot with laser scanning in conjunction with photogrammetry. For this purpose, the laser scans are aligned in Metashape. I would now like to export these aligned laser scans to the autodesk recap or Faro scene for further processing. When I try to read these exported E57 files into the other programs, I get error messages. Something must be wrong with the format here. The only program that reads the exported E57 files is cloudcompare.

However, the point data is then no longer structured, but pure point clouds without a point of view.

Is there a trick here to output the data as structured laser scan data?


Dieter

7
I have a few suggestions for editing terrestrial laser scans in Metashape :

1) When aligning scans it should be possible to set one as a reference so that newly aligned scans can be appended to a referenced scan.

2) When importing grayscale scans, the intensity value should be automatically transferred to the RGB value so that an exported point cloud also becomes a grayscale point cloud. At the moment the point cloud is always output as black.

3) When aligning laser scans, in my opinion, accuracy has to be demonstrated somehow, at the moment aligning laser scans is more of a lottery than a survey.

4) When exporting scans aligned in Metashape into the E57 format, the point cloud MUST be output in a structured manner so that other programs such as Acad-Recap or Faro Scene can continue to work with the point cloud. At the moment, an unstructured point cloud is output, which will then no longer be the case can be further processed as a laser scan.

Dear Metashape Team: Please address the points and let me know whether any of these points will be included in a new Metashape version. For us as a surveying office, some of these points are crucial for processing laser scans in conjunction with photos in Metashape.

Thank you
Dieter

8
General / GPU GTX 3060 is low on memory at 12 GB
« on: February 23, 2024, 01:36:34 PM »
No matter what I try, Metashape doesn't manage to compute the mesh with high resolution in a project with photos and laser scans.

See error message at the end of the log:
2024-02-23 11:25:10 device NVIDIA GeForce RTX 3060 ignored because it has 11020/12287 MB available, but 11489 MB required.

What can I do?


Dieter

9
Bug Reports / Wrong Coordinates in Laserscan Export as E57
« on: February 06, 2024, 07:47:56 PM »
If I export a laser scan aligned in metashape as an e57 file, which coordinates are then output as the scan location coordinates of the laser scan?

The newly calculated values should then also be output in the E57 File.

At the moment, the height is always output as 0.


Dieter

10
Bug Reports / Crash with Metashape 2.02 and Windows 11
« on: September 09, 2023, 12:19:21 PM »
Hi, my System is Windows 11 with Metashape 2.02. I want to align 66 Scans and 6200 Fotos. With Cuda activated there is an error. Only with CPU its working.

See Error atached.

Any Hints?

11
Bug Reports / Masks for laserscans not working
« on: May 11, 2023, 03:11:35 PM »
If i mask out areas in a laserscan, it will not aply changes to the mesh i build. I work bis 2.02 beta.

Dieter

12
General / Referencing laserscans
« on: May 09, 2023, 11:00:37 AM »
What am I doing wrong?

I have a registration with GCP and aligned photos.
In addition, I read in a laser scan, set the scan's transformation to off, and align this scan over the photos.

Metashape finds identical points and aligns the scan to the photos, so far so good.

After this step I have 20 cm deviation in all GCP, my registration is no longer correct. I didn't tap a GCP in the scan, how can that be?


Dieter

13
General / Import coordinates for laserscans
« on: April 18, 2023, 11:53:26 AM »
Is there a way to import the coordinates for laser scans?
You can calculate everything well now, but in my opinion this possibility is missing.

Dieter

14
I want to build a cylindrical Orthomosaik with three markers. Axis is marker 1 to 2. Projection origin is marker 3.

After starting the procedure, a failure "Location of marker 1 is undefined." expires.


I´ve done this several times, why is there a failure? Version is 1.8.1 build 14671.


See screenshot!

15
General / TLS Laserscans - Registration incorrect
« on: March 04, 2022, 12:03:39 PM »
Dear Agisoft team, I have now tried the procedure with TLS scans and photos several times and each time I get a different result. There is now version 18, no one knows which script is correct or which one to use, no one knows exactly how I can add registered scans to an existing project without destroying the registration, all in all I can say for myself that the function "Reading in registered laser scans" DOES NOT WORK CORRECTLY.

I ask again to firmly integrate all these scripts into Metashape to make the whole thing a little more transparent.

There are now many entries here in the forum where almost all users say it doesn't work, how will the Agisoft team react to this?

For me and our office, I can say that we urgently need this function.

dieter

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