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Messages - ashalota

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Feature Requests / Re: Hot key mapping
« on: December 15, 2020, 10:24:58 PM »
Amazing! I had no idea that was there.

The one I could not find but wanted was to switch between views and move between chunks.

  • Open Ortho tab
  • Select next chunk

Feature Requests / Free-form Selection for "Draw Polygon"
« on: December 11, 2020, 09:29:21 PM »
Can you add something similar to free-form selection tool for Draw Polygon? (Can require configuration for number of points to drop if needed).

If not, can you allow the "I" key mapping for adding a point to work even while drawing the shape the first time? I am drawing complex shapes around items and my finger is getting tired from clicking so much..   :(

Feature Requests / Hot key mapping
« on: December 11, 2020, 07:40:30 PM »
I would like to be able to map a keyboard press to a specific tool.

In this case, I would like to easily switch between the "Navigation" mode and "Draw Polygon" mode of the menu bar, although I could see this being used for all menu items.

I am writing a script to let me use keyboard shortcuts to quickly switch between shape groups in a chunk.

I can't see where the python access is to change what the default shape group for the current chunk is though. Is this possible?

Bug Reports / Re: Shapes - Points cannot be colored
« on: December 11, 2020, 05:56:49 PM »
I'll upgrade then! I appreciate all the work that is still going on with this project, every time I think of a problem it seems to have already been fixed in the latest version :)

Bug Reports / Re: Shapes - Points cannot be colored
« on: December 11, 2020, 05:49:52 PM »
Perfect, thank you. I realize now I had only been working with patches.

I didn't have a preference for patch over polygon but the reason I choose patches is because it does not make the window pop up asking me to label the polygon. If there could be an option to suppress that (and just automatically assign labels to polygons/points as the patches do) that would also be very helpful.

I may be going down a less common use case for Metashape with this but having these simple GIS tools built in has been very helpful as Metashape is the best program for me to view the data in and saves me a step from having to export, make new overviews, etc, and loading it into a different GIS program to do additional work. Also the ability to easily create my own GUI menu tools and additional functionality with the python scripting has been great, it makes it so easy to work within Metashape.

Bug Reports / Shapes - Points cannot be colored
« on: December 10, 2020, 07:30:53 AM »
The color value does not seem to have any effect on points - they are always white.

Bug Reports / Import shapes - does not handle reprojection?
« on: December 10, 2020, 06:40:54 AM »
Using metashape 1.6.2.

I have a shapefile with lat/lon coordinates, and an agisoft project with orthomosaic in UTM 5N.
When I run "Import Shapes" for a chunk, there is no error, and my shapes are loaded, but they are not within my frame of reference. I am guessing they have never been converted from ll to utm.

If I already had shapes in a chunk before running "Import Shapes" (which would be in utm 5N), then I get the error "Error: Unsupported datum transformation" (but I can delete my existing shapes and import these then).

Should either handle reprojection internally to match the orthomosaic coordinates, or should throw the error even if I have no previous shapes in my chunk.

General / Re: What is the deafult primary channel?
« on: December 09, 2020, 08:02:03 PM »
Just checking if there is any answer on this. About to start work with an NIR band as well and want to know if I should create a 3-band image first (so I can use all 3 bands), or if there is a way to use 3 bands (even if I have a 4 band image)

General / Re: Plans for detailed manual?
« on: December 09, 2020, 08:01:09 PM »
Thanks for answering all my questions!
So what I really want is all of that in a big book or pdf, because it is clear that you guys do know all these things but it's hard to find out how it works unless you ask on the forum.

Feature Requests / Python snippet tool
« on: December 09, 2020, 07:56:32 PM »
It would be nice to have something similar to the tool that many may know from ArcGIS, which allows you to copy a 'python snippet' of code for the command you just ran.

For example, I know I can right-click a chunk in the GUI and then click "remove model", but I can't figure out how to get the matching code for python. Could be added an option for the "Jobs" window that seems to show the tasks I ran.


General / Re: Optimising storage consumption for archived projects
« on: December 09, 2020, 07:21:13 PM »
Is there anything else you would recommend clearing out to save disk space?

My projects have:
 - aligned photos (sparse point cloud)
 - mesh model (based on sparse point cloud)
 - orthomosaic (based on mesh model)

The item of interest is the orthomosaic. I would like to keep my alignment so that I know what was input to create the final orthomosaic.
Is there value in removing the models, disk space wise? (Since these are easy to recreate from the sparse model)

General / Re: Optimising storage consumption for archived projects
« on: December 09, 2020, 07:16:08 PM »
For anyone else searching this in the future, I ran this in the console window to quickly clear the orthophotos.
For a chunk with 24 photos in it, this cleared 2GB of space.

For a project with about 200 of those chunks (initial file size 658 GB), this reduced file size to 116GB. NOT BAD!

Metashape.version --> 1.6.2

Code: [Select]

doc =

for chunk on doc.chunks:
   if chunk.orthomosaic is not None:
      print('Removing orthoPhotos for: ' + chunk.label)

General / Plans for detailed manual?
« on: November 26, 2020, 06:18:09 AM »
Are there any plans to release a detailed manual for Metashape? I've been using it for several years now, and eventually figured out different tricks to get my photo alignments working out exactly as I'd like, but there are still so many features that are a complete mystery to me.

I would really appreciate an overly detailed manual describing every option available and things to consider when choosing them.

Some questions I have right now, with no idea how to solve them, for example:

1) When I add markers are control points between images, align photos, and the resulting Reference pane shows no lat/lng for many of my markers, what does this mean?

2) How does the accuracy option in "Align Photos" affect the results? I can't tell what exactly it does, recently I selected "Highest" (total errror 60m), "High" (total error 4m) "Medium/Low/Lowest" (total error 3m) and am not sure how to interpret this result

3) If adding manual markers, how badly can I mess up the results if I place them incorrectly? Huge issue, minor issue, etc?

4) Does splitting my data into smaller chunks first negatively affect the output, or can it be helpful? My dataset is usually long aerial transects and personally I found best results when splitting into smaller pieces, but I don't really understand why.

Etc... There are so many questions, based on not fully understanding how the program works. A very detailed manual would be an excellent resource to keep on the bookshelf! Thanks.

General / Re: Is Metashape the best orthomosaic/geotiff viewer?
« on: November 26, 2020, 12:10:56 AM »
I think that was my issue, I never saved any tiling with my orthomosaics when I exported them. I think for my use case it's easiest to view within Metashape because it saves me the step of creating tiles and exporting, and the disk space, since I have a copy of these within Metashape projects already.

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