Messages

1

General / Need help "Infinite values in transform are not allowed"

« on: May 02, 2024, 05:28:34 PM »

I am trying to import a LAZ file as a Point Cloud that was created from a LiDAR that I flew. I have re projected the LAZ file in WGS84 and I get the error message "Infinite values in transform are not allowed". Has anybody else experienced this issue and what does it mean and what do I need to do. Any assistance with this would be great.

thanks.
Rainman

2

General / Re: No sparse point cloud after I have successfully aligned images

« on: June 08, 2022, 07:51:14 PM »

Hello Alexey.

Thank you for this information. I reduced the brightness and the tie points appear.

Thanks.
Ian

3

General / Re: No sparse point cloud after I have successfully aligned images

« on: June 08, 2022, 07:05:52 PM »

Hi Paul.

I played with the brightness but that only effects the imagery I think  and not the spare point cloud, However, when I went to select the tie points/sparse point cloud, the tie points appeared...... so they are there, just not visible, why would that be?

Thanks.
Ian

4

General / Re: No sparse point cloud after I have successfully aligned images

« on: June 08, 2022, 06:00:40 PM »

Hello Alexey.

I will try and send you a copy of the project, I presume you will require all the imagery as well? In the meantime here are some screen grabs of the project. It was flown at 490 ft, with a micasense dual band, so 10 bands. Let me know if youi can see where I am going wrong. I have been suing this micasense for over 2 years and have never had any issues producing a mosaic. All I can think is that I ma doing something incorrect.

Thanks.
Ian

5

General / Re: No sparse point cloud after I have successfully aligned images

« on: June 07, 2022, 07:35:39 PM »

Can anybody suggest a reason why the sparse point cloud, which should appear after a successful align, is missing. Is there any option that is new in the latest version of Metashape Professional 1.8.3 that I need to be checking, which allows me to see the sparse point cloud. Any suggestions would be gratefully received.

Ian

6

General / No sparse point cloud after I have successfully aligned images

« on: June 06, 2022, 08:16:13 PM »

Good morning.

I have recently flown an area with a micasense dual camera. I have added all images and gone through all the reflectance calibration and then aligned successfully. However, there is no spares point cloud beneath the images, which there typically is. I then have tried to proceed and added the GCP file, de selected the images, then all that shows up at the locations of the GCP's and I am unable to identify where the GCPs appear in the images. Can anybody offer any advice. I have never seen this happen every before.

Thanks.
Ian

7

General / Exporting a Point cloud (las) into smaller size files

« on: March 15, 2022, 08:08:29 PM »

Hi.

I have a very large project and I am trying to export the Dense Point cloud into manageable size chunks/files.  When I try and export the Point file as a las file, its over 54 GB. I know on the export window there is an option to Split Box, but when I change those numbers, it makes not difference to the size of the exported las file. Is there a way to export a Point file into manageable file size chunks?

Thanks.
Ian

8

General / Generating a Dense Point cloud

« on: April 26, 2021, 10:07:48 PM »

Dear Sir/Madam.

I am using Metashape version 1.7.2.12070. I have generated an Agisoft project with a MicaSense Altum camera, I have aligned the project with no issues, I have then added a total of 15 GCP's, using the following projection, WGS 84/UTM zone 12N + EGM 2008, with minimal errors, errors (m) 0.03 and error (pix) 2.16. I then go to the next stage and generate a Dense point cloud and nothing is generated. Please see attached files. In the info file for the dense point cloud, no points are generated. I have tried generating a dense point cloud without the GCP's and a dense point cloud is generated. Please advise me and what I am doing incorrectly.

Thanks.
Ian

9

General / Re: Can't select tile size

« on: October 26, 2020, 11:08:50 PM »

Alexey,

That seems to have fixed the issue.

Thank you.
Ian

10

General / Re: Can't select tile size

« on: October 23, 2020, 01:18:58 AM »

Alexey,

Here is the error message on the console.

Ian

11

General / Re: Can't select tile size

« on: October 23, 2020, 01:16:05 AM »

Alexey,

Here is the information you requested.

Ian

12

General / Re: Can't select tile size

« on: October 23, 2020, 12:16:55 AM »

Alexey,

The visual imagery is 8 cm, the thermal imagery is 48 cm.

How do I find the console pane related to the failed operation, once the model fails and I exit out, a black terminal screen is empty.

13

General / Can't select tile size

« on: October 20, 2020, 07:48:52 PM »

Dear Sir/Madam

I am trying to align a number of flights and within minutes I am getting an error message 'Can't select tile size.  Can you please advise. I am currently using Agisoft Metashape Professional 1.6.5.

Thanks.
Ian

14

General / Aligning 2 surveyed polygons approximately 1 mile apart.

« on: November 20, 2018, 07:56:23 PM »

I wonder if anybody can help me with a question I have about aligning two polygons which are approximately 1 mile apart. I have added the imagery for both polygons as a folder and imported the txt file. I duplicated this first chunk which contains all imagery for both polygons twice. so now I have 3 chunks. The first chunk I have renamed as master and this contains all imagery. The second chunk I removed imagery for the second polygon and called the chunk poly 1, Then for chunk three I removed all imagery for polygon 1.

Chunk 1 - all imagery
Chunk 2 - imagery for just polygon 1
Chunk 3 - imagery for just polygon 2

The two polygons are approximately 1 mile apart. Should I align these polygons as one unit (Chunk 1) or will I have to align these polygons separately ? I would be grateful for any advise please. I will be assigning GCP's to both polygons as we deployed aerial targets at both polygons.

Rainman

15

General / Re: How to work with large datasets-Chunks

« on: October 30, 2017, 08:05:04 PM »

Hi SAV,

Thank you for your reply. I have some additional questions which I am hoping you maybe able to help me with.

My flight line is basically two parallel lines, side by side, I believe that the overlap between images was calculated to be 75% (front and back and side by side). So you suggest I initially align all images together as one chunk and clean them up first. Then use the python script to split the project into chunks. The question I have is does there need to be overlap between chunks and if so how much? I have attached a drawing of what I am trying to illustrate. Can I chunk images 0-200, 201-400, 401-600 or do I need to have a degree of overlap, for example chunk 1 0-200, chunk 2 175-400, chunk 3 375-500. I am trying to understand the best way to chunk these images up. Also because I have 2 flight lines which are parallel do I need to have overlap (side to side) between each of these two flight lines?

Regards
Rainman.