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Messages - JMR

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16
General / Re: Agisoft Metashape 2.1.0 pre-release
« on: October 13, 2023, 05:43:50 PM »
Hello Dmitry: Will the scan alignment take leveled status tag into account for scans with vertical axis compensation active? will prealignment or geotags in scans be taken as initials and help as it occurs with photos embeded or estimated orientations? will cloud to cloud consider the same all points in a scan regardless their range, and density around? Can you tell a bit more about the algorithms implemented?
Regards

17
Feature Requests / Re: Gaussian Splatting
« on: October 05, 2023, 11:15:39 PM »
Yeah, sounds and looks interesting, indeed, but to be honest at the moment those things seem like witchcraft to me. and I don't know if in the witches' kitchen shelves there is a jar labeled "tools for an exhaustive control of the metrics".

18
Hi again Jkova
You dont need to run alignment step if you want tho keep your EO untouched.
Just go directly to tools/tie points/build...
But if the EO provided is not-so-good, it is likely the matches will be fewer than expected, so the sparse cloud could be weak and leave some cameras with insufficient matches...

20
General / Re: Cannot see drawn shapes in model space
« on: October 04, 2023, 12:59:39 PM »
all coordinate systems present in the project.
1 global for project (mesh, pointclouds inherit that
crs  for the active orthomosaic
crs for the active DEM
if you have used a particular CRS for either Ortho or DEM, make sure the ortho and dem are not active (unchecked as default)

I hope this will help.

21
General / Re: Cant enter GCPs
« on: October 04, 2023, 12:55:19 PM »
the superb flexible text file parser bult-in will accept any format, just let Metashape know what is on every column, which sepparator and where to start reading... no need por an specific format at all.

22
General / Re: Cannot see drawn shapes in model space
« on: October 02, 2023, 04:30:01 PM »
Hello: Michael.

My guess. Your current active layer is actually disabled so when you draw you send vectors to an invisible "default" layer.

Regards

José Martínez
Accupixel.co.uk
we are official Metashape training providers

23
General / Re: Cant enter GCPs
« on: October 02, 2023, 02:07:30 PM »
use txt extension
change the ref pane view mode to "source" values

Regards

José Martínez
Accupixel.co.uk

24
General / Re: Automatic change gray marker to green or blue marker
« on: October 02, 2023, 01:37:04 PM »
Changing blindly gray to green sounds like a bad idea. What is the actual purpose?
If one single image is badly aligned and you pin a marker on it, your project may get badly degraded.
If Metashape has not detected some markers and leaves them gray you should not converth them into pinned markers without visual inspection. At least you should manually pin 2 or 3 projections for every marker. If you turn auto refinement on, you will likely have most of remaining ones auto-marked with blue flags but this markers placement will be guided by image content and it will skip occuded markers or missaligned photos.

Regards

José Martínez
AccuPixel Ltd.

25
Hi jkova96:
If you want to keep given reference values untouched and get a sparse cloud. All you need to do is run the quick layout script to force aligned status from your ref values and then build the tie points skipping the align command.

José Martínez
Accupixel Ltd.

26
Bug Reports / Re: Honey, I shrunk the kids...
« on: September 27, 2023, 12:27:11 AM »
Good point. I think you could have nailed it. The customer gave me a pre-processed project and he might have created using an older version, now he is working with 2.0.3. followinf my advise. This is what he did after the upgrade. He replaced images (out of camera jpg's) with a new set of jpg's from raw. So in the new project in 2.0.3 he changed pàths for all photos and realigned using the option reset current alignment, but kept marker projections placed on original jpgs.

And then we had the abnormal scale issue.

I have suggested him to start a new project from scratch but he is reluctant to align 30k photos again, mainly because the photos had been carefully organised into camera groups according to several criteria and he spent quite a long time creating this structure....
What would be a smart way to copy the project structure to a new project file?

Regards

27
General / Re: Automatic scaling
« on: September 25, 2023, 02:48:19 AM »
I'm guessing you want to automate something
Do you repeat your captures strictly? if so, you could define your scale by either entering camera known coordinates (estimated with a standard dataset) or by setting a scale bar between cameras. maybe...or maybe not.
If you want accurate answers, you probably need to provide more details of your use case.

28
General / Re: Canon RF 5.2mm F2.8L dual fisheye
« on: September 25, 2023, 02:31:59 AM »
if your dua fisheye lens produces a single image with two halves. I'd be glad to help you with this uncommon approach. Feel free to contact me at jose.rubio@accupixel.co.uk
Regards
José Martínez

29
Bug Reports / Honey, I shrunk the kids...
« on: September 24, 2023, 10:21:19 PM »
Hello. I have experienced one of the weirdest things ever with Metashape 2.0.3
I'm processing a large project with a some thousands of photos, and after finished alignment and some other pretty standard operations, I closed the project until next day.
When I open, I see the sparse cloud has been dramatically downscaled for no reason...

Any thoughts?.

José Martínez

30
Hello, Joel: The snap function actually exists, although I would agree with you it needs to be improved. But at least snap to vertices and to nearest point on another vector exists.
Snap to mesh actually also exists too, and works constantly when you draw on a mesh. If you want denser polylines like sections or profiles, it can be done on 2.5D and then brought to 3d.

When it comes to colours. I'm not sure if I got your request. If you want photographic colours and detail on your triangles so they look as crisp as in the photos, then you need to build a texture. If you dislike the washed colours when you look at your mesh shaded (with colour per-vertex and interpolated), this is due to the low density of your triangulation. But a low density mesh is not necessarily inaccurate, actually it rather is optimal for surveying use.
Do you want shaded colour look like real?, then you can do in two ways: Densify you mesh by sampling dense points on it and then build a new mesh from the new dense cloud... or process from scratch at higher settings with a higher custom triangle count target. I would not go this way but rather would use textures for nice renders and light meshes for good measurement.
If you need help do not hesitate to reach me at Accupixel. We are Agisoft certified trainers.
Best regards.
José Martínez

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