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VUKOZ-OEL / 3d-forest-classic

software for analysis of Lidar data from forest environment.
GNU General Public License v3.0
84 stars 26 forks source link

Crash when importing data #32

Open kyoukin1 opened 1 year ago

kyoukin1 commented 1 year ago

Hi,

I am writing to understand the cause that 3D Forest crashes when importing las data. The point clouds are small so I'm not sure where the problem lies. Is the cause of crash setting transformation matrix?

Also, I try to load point cloud, but this doesn't show up on the screen. What is the problem?

I hope I can hear from you.

VasilisAle commented 1 year ago

Hi, I face up the same issue, even if I cropped a really small subset of my data..

GakenouOF commented 1 year ago

Hello, I am also just exploring 3D forest, and i am facing same issue. @kyoukin1 and @VasilisAle, how were you able to fix it?

Loris-L commented 1 year ago

Try to convert las data in .pcd file with cloud compare. libLAS used to read las data has no more support by 2018, at the moment it's better to use .pcd file in 3D Forest.

GakenouOF commented 1 year ago

Thank you @Loris-L, i will do that.

Loris-L commented 1 year ago

Probably with conversion in .pcd file, you may lost some coordinates, so keep a copy of .las file or convert .las file also in .txt file.

GakenouOF commented 1 year ago

Thank you @Loris-L, it works now. i am using las 1.2 version. What i am not getting is setting the right transformation matrix. Can please point me to any resources that can help calculate the transformation matrix for .las file?

Loris-L commented 1 year ago

@GakenouOF if you set XYZ to 0, 0, 0, you have no traslation of point cloud, so you have the point cloud "as it is".

GakenouOF commented 1 year ago

Thank you... It worked! I have just started learning about point cloud data processing. I believe i will get more acquainted with it before the end of my program.

munachau commented 1 year ago

Hello,

when i try to open .pcd file, the software closes automatically. Please can anyone suggest me how to solve the issue?

Loris-L commented 1 year ago

@munachau open a new issue

VasilisAle commented 1 year ago

Thank you @Loris-L, it works now. i am using las 1.2 version. What i am not getting is setting the right transformation matrix. Can please point me to any resources that can help calculate the transformation matrix for .las file?

@GakenouOF yes, I converted to las 1.2 version after checking the manual.

dsmithdsmapping commented 7 months ago

The program is closing on me when I try to import either pcd, las, or pts into 3D Forest. Anyone have any suggestions?

Loris-L commented 7 months ago

@dsmithdsmapping Create a project file first

dsmithdsmapping commented 7 months ago

Thanks! Ill try that

dsmithdsmapping commented 7 months ago

That worked, thank you Loris