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Messages - JMR

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General / Re: Best practices and advice for processing P4RTK
« on: March 12, 2020, 03:24:35 PM »
I'd gladly give you some hints if you like. Also I can show you how gcp marking in MS can be really damn fast. Do not hesitate to contact me.

It seems this chunk has nor been referenced, that would explain no coordinates can be estimated.
A simple workaround could be to assign coordinates (with accuacy values as low as 10m) to four markers on your model defining a local system. As your main source of metric control are scale bars, dont worry about loosing accuracy because markers will be so low weighted that they will hardly have impact in your model.

1. Yes that the "clear" I meant. but after using it, unless you have cleared also projections, you should keep having estimated values for the marker and it should change every time you move its projections.
2. When you export the markers they all must have estimated values in coordinates unless they have no projections, so please make sure that your are checking the "save estimated values" in the export dialog


pd. out of curiosity. Why do you stay 1.5.1...?

It seems like you are adding markers on the model and that's why they show coordinates (source values) instantaneously.
I have argued if this is the right behaviour with devs, in my opinion it may leads to confusion but there are reasons to keep it as is.
Rather than doing this way, you should add the new marker in the project tree and then place it on photos. This would keep empty the source coordinates, and the check point will behave as a checkpoint not as an additional constraint.
A workaround it is to clear location for this reference point.

General / Re: Small Circles in ortophoto
« on: February 05, 2020, 02:12:30 PM »
This is normal (and unavoidable). This light spots are around the projection of the drone shadow. Around this point the reflection of ground surface towards the camera has a maximum. This tends to be more noticeable in herbaceous crops. You should see the same spot in every picture.
You could atenuate this effect by using average, instead of mosaic... but this often blurrs the orthoimage.

In my opinion is overlap what makes a diference and not the subject, camera brand or model (at least I cant see a single fact related to brand or model besides pixel count). Try to compare datasets where the structure is the same.
Please let us know what you find.


If you just want reference coordinates info to be copied, then use the export button in ref pane, but if you want also projections and status (green/blue) you can do it by using menu option file-export-markers, and then file import markers in the new chunk (active)

Tell us if that worked as your wish


General / Re: Removing green flags on shapes and exporting photos
« on: January 16, 2020, 01:31:29 AM »
Hi Geogirl, the way to remove green flags from shape vertex is to select them and right clic to delete marker. However I think you cannot detach markers from vertices once that they are attached.
If you dont want markers on shapes, uncheck the option that makes them to be attached automatically to every shape while it is been drawn. Menu option Tools-markers-attach markers.
If you have already created lots of shapes and want to get rid of attached vertices, I can export shapes, delete and then import them again.

Good luck


Feature Requests / Re: Add Greek Grid Geoid
« on: January 11, 2020, 04:10:10 PM »
You can add this geoid and build by yourself a variation of epsg 2100
I've just done and it worked well with the geotif in the link you posted

Bug Reports / Re: Cylindrical orthomosaic fails
« on: January 10, 2020, 03:49:11 PM »
remains unsolved... why, friends?

Bug Reports / Re: Cylindrical orthomosaic fails
« on: December 28, 2019, 02:10:07 AM »
Are there any news with this issue?

Feature Requests / Re: GCP assignment_Trimble Inpho vs Agisoft
« on: November 04, 2019, 04:22:13 AM »
If you got used to keys pg-up pg-down to browse photos filtered by marker, rather than the double-clic you would see that marking in Metashape is possibly faster than what Inpho shows in the video, not having to move the mouse but just a little bit. In addition the "refine markers" option enabled makes this marking process insanely faster in Metashape than in competitors. That said, I agree it would be nice to have the tiled viewport, not so much for pinning or moving markers, but for reviewing many in a glance.
My biggest complanin in this marking step is that I miss more "intelligence" in mouse behaviour.
1. picking a marker icon requires too much care, and dragging sould have some aids like smart mouse speed (requiring larger mouse movements to drag a marker more precisely)
2. clicking a marker moves it slightly if one clicks slightly out of the center... that is awfull if you dont want to. There is no way to validate the current position in one click.
3. I dislike the markers icon, is gross and inaccurate, distracting and umbalanced, causing some bias in the aim appreciation. The flags and the icon itself should react to mouse cursor proximity or zoom (not only during dragging with left button down), the flag should move apart and the icon turn into something thiner, sharper, cleaner, symetrical... like when dragging, and an auto-loupe feature, like in PTGUI during control point edition would be welcome.

By the way, it is nice to see that users are worried as me about usability and GUI too slow evolution. New themes light and dark are far from being an enhancement in my humble opinion, they are a step backwards... a flaw... but maybe it's just me. It scares me to find the light theme as default since a few releases ago.


Feature Requests / Re: Oriented scale bars
« on: November 04, 2019, 03:39:26 AM »
sounds interesting! But I would call them vectors rather than scale bars, because they would be also very useful without length value. And they could lead to a new chunk status added to [Referenced] and [Scaled], which could be labeled as [rotated]?

General / Re: Remove background from model
« on: October 25, 2019, 02:07:37 PM »
I've done a pretty similar jobe last week. I'll gladly guide you through the process.


General / Re: 3D trunk with Photogrammetry
« on: October 25, 2019, 02:02:25 PM »
Is not nonsense. It is quite normal and I seriously doubt that Photoscan would do anything diferent.
If you are just focused on the trunk, I would suggest you to use masks, you can create them lighning fast using a rough arbitrary mesh model created with the filtered sparse cloud. After that goto file import masks from model and apply to all cameras or to a selection... then yo can create a dense cloud.
But I would also suggest you to try meshing from deptmaps right after alignment without building the dense cloud (unless your only interest is the dense cloud).

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