mapillary / mapillary/mapillary-python-sdk

point cloud data

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Description

What feature or requirment is this related to? Please describe
This code example relates to the feature or requirement mentioned on #<github_issue_here>

!pip install mapillary 
import mapillary as mly
mly.interface.set_access_token('MLY|')
response = mly.interface.image_from_key(id,fields = ['sfm_cluster'])
sfm_cluster_url = 
https:\\/\\/scontent-iad3-1.xx.fbcdn.net\\/m1\\/v\\/t0.40383-6\\/An8Lx-3QlYDKv2YxzpOgOEJeMdx1v4mm8Xvczm4oxncKAIlA_cmDpxwXsy65cnsTUmM6mgq9dpooROG658tIhEyOIrA8uHcqeFK5gB9TMikR9788Ku_awoEbtFHGJg2X2jPKjy0padhn0w?ccb=10-5&oh=00_AT_Tar_zzekzP0jDvbYAeHCNxU7GITO5m5HtEYy95wwm2w&oe=632180A9&_nc_sid=0f319a

real_url = 'https:\\scontent-iad3-1.xx.fbcdn.net/m1/v/t0.40383-6/An8Lx-3QlYDKv2YxzpOgOEJeMdx1v4mm8Xvczm4oxncKAIlA_cmDpxwXsy65cnsTUmM6mgq9dpooROG658tIhEyOIrA8uHcqeFK5gB9TMikR9788Ku_awoEbtFHGJg2X2jPKjy0padhn0w?ccb=10-5&oh=00_AT_Tar_zzekzP0jDvbYAeHCNxU7GITO5m5HtEYy95wwm2w&oe=632180A9&_nc_sid=0f319a'

I want to get the point of cloud of each image so I can reconstruction the camera position and get better visualization, positioning, however. When I try to get the url that links to sfm_cluster, it returns to me a binary stream. After that , I write it content into a txt file,
but it becomes messy code. Is there any way to decode the messy code or api that I can get the *.ply format file?
Thank you!

Additional context
image

image

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the mly.interface.image_from_key call and the sfm_cluster field shown in the issue. Investigate how the returned binary stream is represented and whether the SDK or Mapillary API documents a point-cloud or .ply response. Done would require a documented, usable way to retrieve or decode the point-cloud data.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
api, computer-vision
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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