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91
General / Re: Cannot open archive projectname.files/5/chunk.zip
« Last post by Maria K on May 14, 2019, 07:44:58 PM »
Hi Alexey,
yes, all files have the same name and all are in the proper place.
92
Python Scripting / Re: Crop to GCPs in Sparse Cloud
« Last post by LDBL on May 14, 2019, 07:22:04 PM »
Hello Alexey,

Hello Leon,

Which task you are trying to solve with the script?

I have excess data that needs to be disposed of. An example is in the attached image. The red cross hatch area within the GCPs is what I'd like to keep, and get rid of all of the blank space surrounding. I have a large batch of data sets to do this to, so if I can achieve this through python scripting, it will save a lot of time.


Quote
And what problem do you have with CUDA/OpenCL in the latest version? In Metashape you can switch between CUDA/OpenCL implementation for NVIDIA graphic cards with the tweak main/gpu_enable_cuda
.

I run Linux and I'm using an AMD RX 570, I've found that it is faster using 1.4.5 than 1.5.x, I'm on older AMDGPU-Pro (OpenCL only) drivers too as the latest slow down processing (OpenCL 2+), and ROCm wasn't recognised by Photoscan/Metashape..but that could have been my fault due to installation error. I haven't tested since 1.5.0/1 as this is working very well for me. I haven't convereted my python script from PhotoScan to Metashape either, because this current set up is working well (I will do at some point, I'm just time constrained at the moment).

Cheers,

Leon

EDIT: I should probably add that all of my data sets have been manually prepared by doing an initial sparse build and meshing so that GCPs can be added, so the crop to selection is available in the model tab of the GUI.
93
General / Re: Classification of ground points problem
« Last post by andreg on May 14, 2019, 05:21:29 PM »

I got a much better result now, I used:

Max angle: 10
Max distance: 2
Cell size: 50 m

Is there any formula or tips for using this tool for urban use?
94
General / Re: Cloud Processing Error
« Last post by NilsS on May 14, 2019, 05:11:32 PM »
Yes, same error code and yes, i'm on the newest Metashape Version.
95
General / Re: Classification of ground points problem
« Last post by Alexey Pasumansky on May 14, 2019, 05:02:44 PM »
Hello andreg,

Which classification parameters you are using?
96
General / Classification of ground points problem
« Last post by andreg on May 14, 2019, 04:40:22 PM »

I'm trying to generate a DTM to create an orthomotic, but some ground points in the dense cloud are not being sorted at all. By the way I realize they are a bit shifted down.

I'm using a new camera on a fixed wing, can it be something related to that? Does anyone have any suggestions for workflow or something I can try?


I used:

over/sidelap? 80 / 70
Picture Quality: 1.8>
Alignment: Medium (40,000 / 10,000)
Dense Cloud: Medium (agressive)

I was cleaned the sparse cloud with error on reprojection and accuracy


I already did another project and I never had this problem. Tks
97
Hello Vik,

Does it happen only when rich console is used?

In such case the issue could be introduced with the installation of some external modules to Metashape Python folder, which could affect the dependences of ipykernel package.
98
General / Re: Cannot open archive projectname.files/5/chunk.zip
« Last post by Alexey Pasumansky on May 14, 2019, 12:48:58 PM »
Hello Maria,

Does the project file (PSX) name corresponds to the name of the related .files directory and are both of them (file and folder) are in the same directory?

Can you find the chunk.zip archive by the path specified in the project folder?
99
General / Re: Specifying distance between two points.
« Last post by Alexey Pasumansky on May 14, 2019, 12:47:39 PM »
Hello raehyuk,

You can create the "scale bar" instance in Metashape between two marker instances or between two aligned cameras.

For markers you need to place at least two projections for each marker on the images from the aligned subset.

Some additional information regarding the scale bar utilization can be found in the following document:
https://www.agisoft.com/pdf/tips_and_tricks/CHI_Calibrated_Scale_Bar_Placement_and_Processing.pdf
100
General / Re: Cloud Processing Error
« Last post by Alexey Pasumansky on May 14, 2019, 12:45:13 PM »
Hello NilsS,

Do you mean error with code 401?

Are you using latest Metashape version (1.5.2)?
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