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General / Re: Orthomosaic isn't built and no error message
« Last post by corto on Today at 04:01:34 AM »
I found the solution, so all good!
General / Orthomosaic isn't built and no error message
« Last post by corto on Today at 02:54:46 AM »
Hi all,

I'm having trouble building an orthomosaic out of a collection of 260 cameras (aerial photos). All other steps completed down to DEM. For "Build Orthomosaic" I used default settings. Process runs normally and seems to complete all the way to 100% but yields nothing. There is no error message.

One of the things I did with this problematic dataset (due to irregular coverage) is manual alignment using markers. All aligned pictures, from 3 different flights, were merged first ("merge chunks") to yield a single chunk with 260 aligned cameras. I then bypassed the first processing step (align photos) as that had already been done, albeit in small bits. Building dense cloud and tiled model took way longer than usual but completed successfully. DEM looks good too (see attachment).

The alignment method I used, moving pictures to be matched in separate chunks then, once matched, moving them to a common chunk, may be the cause of the problem?

Any insight is welcome!

General / Re: Mesh using Ground class only. Interpolation??
« Last post by dpitman on July 06, 2020, 06:26:37 PM »
I've checked with another user and Mesh creation recognizing point classification seems to be working for them.
I've tried many times, and it is not working for me.  I am using a trial version and I am also using the opengl angle workaround if that makes any difference.

To move forward, I've made duplicates of the the dense cloud and delete points instead of classifying them.  Not good, but nothing else I can think of to do.  Purchasing the software is sort of out of the question if this cannot be figured out.  Any ideas for me to try?

Thank you,
I activated permanent license in docker container and removed the container. (This was for the test for deployment to production)

How can I deactivate it from other machine?
Hello koriel-angelswing,

Have you checked the memory consumption during this stage?

What is the tile size that you are using?

I did not check the memory consumption but it should be high at maximum I guess.

I used 256 tile_size, the default value.

I think I have a lens calibration issue as most of flights using the DJI P4RTK are between 100mm to 700mm different to my ground truth survey.

However, I have a decent flight where my UAV and Ground Truth were within a few mm of each other. I would like to export the lens calibration from this flight and then import it the surveys that had the vertical errors and see if it fixes the problem.

Is it possible to do this and if so does anyone have a workflow?


General / Re: Best Laptop for Metashape?
« Last post by SAV on July 06, 2020, 06:53:58 AM »
No worries.
P53 is a solid choice too :)

Feature Requests / Re: Iterative Closest Point Algorithm
« Last post by cagritaskin on July 05, 2020, 11:47:44 PM »
Hi. I installed open3d instead of and problem solved
General / Mesh using Ground class only. Interpolation??
« Last post by dpitman on July 05, 2020, 11:36:30 PM »
When generating a Mesh from a dense point cloud that has been classified, I can only get a Mesh that uses only ground classified points if I set "Interpolation" to "Disabled".  And then I get holes which is to be expected.

If I make any other selection for Interpolate, it uses all classifications even if I select Ground only.
Metashape cannot close the holes by either interpolation or extrapolation when using only ground points?

Thank you!

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