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Topics - cyrilp

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General / How to update point cloud if i remove images ?
« on: March 12, 2024, 06:16:18 PM »
i'm doing some test to combine the use of Metashape and gaussian splatting.
Exporting camera algignement data with the python script is working well.

But if i remove cameras from the project (because for gaussian splatting need all cameras to be the same and same focal lenght) and make the export, the exported points still contains points from the removed cameras and this is create errors in gaussian splatting training.

Is there a way to "clean" the point cloud after having removed the cameras ?

General / Metashape and Gaussian Splatting
« on: February 28, 2024, 10:40:12 AM »
Does anybody know i can export the alignment result for gaussian splatting ?

I’m using Postshot :

General / Alignement issue with convex subject
« on: December 07, 2023, 11:37:33 AM »
I'm working on a convex surface and when i try to align, metashape si trying to make the tie points planar and the camera position gets convex itsefl instad of staying on the same plane.
Is there a way so taht metashape will align correctly in such a case ?

General / How to make image orientations fixed before alignment ?
« on: December 06, 2023, 04:14:38 PM »
I'm using a robotic arm to take pictures in row/column. All images are perfectly :
* on the same plane
* have the same orientation

How can i use this information to help alignment ?
So far some time when overlap is to small the images are aligned on a round surface instead of a plane.
I would like to make the orientation fixed and if possible put them all on the same plane.

i'm taking pictures using a robotic arm, so i know exactly the position of the camera for each photo.
How can i add this information to the pictures so that metashape can retrieve it ?

General / Mask issue (mask is small while processing and the bigger....)
« on: October 06, 2023, 04:32:57 PM »
Hi i have an issue with mask generation.

I try to make masks but when i select only one picture, i see the mask area being big or small depending on the defocus value while the mask is being generated but at the end when it's over, the mask get smaller leaving lot of unfocus area not masked.

don't know if it's clear...

it's the same if i select "current" or "selection".

What's happening?

General / Camera sensor has no pixel size yet Error
« on: September 12, 2023, 04:27:59 PM »
i'm getting this error when trying to build masks:

Camera sensor has no pixel size yet

any idea how to fix this ?

General / Build Mesh is crashing my computer
« on: September 07, 2023, 12:57:04 PM »
i'm working on a 37500 images project.

When i try to build mesh, after a while i found my computer reset. As it's a big project, i never saw the crash live so i don't have any idea what's happening.

It's happening even if the region chosen is just a small part of the whole project.

Any idea to find the problem ?

metashape v2.0.2

General / Assertion "3478972301441" failed at line 720!
« on: July 31, 2023, 04:17:29 PM »
Hi, i have finished aligning 37530 images.

When i try to build mesh i'm getting this error :

Assertion "3478972301441" failed at line 720!

Please help

2023-07-31 14:11:19 avg neighbors before -> after filtering: 625.606 -> 58.7761 (91% filtered out)
2023-07-31 14:11:19 limiting neighbors to 16 best...
2023-07-31 15:08:57 avg neighbors before -> after filtering: 58.7776 -> 11.4796 (76% filtered out)
2023-07-31 15:08:57 neighbors number min/1%/10%/median/90%/99%/max: 0, 3, 7, median=16, 16, 16, 16
2023-07-31 15:08:57 cameras info prepared in 4611.89 s
2023-07-31 15:08:58 saved cameras info in 1.186
2023-07-31 15:08:58 Partitioning 36532 cameras...
2023-07-31 15:09:04 Finished processing in 4618.85 sec (exit code 0)

General / AMD Ryzen 9 7950X3D vs Intel Core i9-13900K ?
« on: July 10, 2023, 01:11:29 PM »
i'm about to buy a new computer, do you know wich one performs better with Metashape between AMD Ryzen 9 7950X3D vs Intel Core i9-13900K ?


i'm trying to build an orhomosaic with metashape 2.0.1 build 15925 but i'm getting the error "Unsupported Datum transformation".

It's a laser scan project with images.

General / fbx texture numbering issue
« on: October 31, 2022, 05:24:01 PM »

i have an issue when i export a model as fbx.

Metashape is naming the textures as:


instead of

So the first texture file ins't loaded by my other softwares. I have tried with "fbx review" from autodesk and with Unreal.

Is there any way to fix this ?

For ortho photos it’s possible to right click anywhere and open the image used there.
Is there a way to do the same thing on a model ?

General / How to export model with both texture and normal map?
« on: October 06, 2022, 11:36:18 AM »
How to export model with both texture and normal map?

When i make textures after having made the normal map the model loose the normal map.

How can i export the model with both of them ?

General / How to display 3D side by side in fullscreen ?
« on: September 30, 2022, 11:46:12 AM »

how can i display the 3D side by side in fullscreen ?

In metashape if i try full screen it still shows the toolbar and menu.

In viewer it goes full screen the the side by side view doesn't work.

any help ?

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