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Bug #8052

Geohashed value is incorrect

Added by Bryce Mecum over 4 years ago. Updated over 4 years ago.

Status:
New
Priority:
Normal
Category:
d1_indexer
Target version:
Start date:
2017-03-27
Due date:
% Done:

0%

Milestone:
None
Product Version:
Story Points:
Sprint:

Description

Adam Shepherd at BCO-DMO uploaded a test DCX doc here:

https://search-sandbox.test.dataone.org/#view/http://lod.bco-dmo.org/id/dataset-file/682007

which has bounding coordinates of:

North
50.4907 degrees
South
20.4907 degrees
East
-120 degrees
West
120.826 degrees

and when we looked at the geohash values stored in the index for the record they appear to be incorrect. The bounding coordinates this DCX record is using are a bit weird but I'm not sure they're invalid. Google's JavaScript maps API calculates the centroid as 35.490700000000004,-179.58700000000002 which, according to this tool, http://www.movable-type.co.uk/scripts/geohash.html, should have a geohash of 8n23ckusk but has a geohash of sn23ckusr instead, which is nearly 180 degrees longitude away from the expected location.

History

#1 Updated by Dave Vieglais over 4 years ago

  • Milestone set to None
  • Project changed from CN Index to Infrastructure
  • Category set to d1_log_aggregation
  • Assignee set to Jing Tao
  • Priority changed from Normal to High
  • Target version set to CCI-2.3.3

#2 Updated by Dave Vieglais over 4 years ago

  • Category changed from d1_log_aggregation to d1_indexer

#3 Updated by Jing Tao over 4 years ago

Hi Bryce:
Peter and I talked about the issue a little bit. First he thought it probably was created by a bug in the index processor code. Then we found the centroid calculated by Google's JavaScript maps API is not correct. It should be 35.4907, 0.413. If you use this centroid and the geohash tool which you pasted, you will find the solr give you a right answer.

#4 Updated by Jing Tao over 4 years ago

  • Assignee changed from Jing Tao to Peter Slaughter

#5 Updated by Jing Tao over 4 years ago

  • Priority changed from High to Normal

Downgrade the priority since it is a rare case.

#6 Updated by Jing Tao over 4 years ago

  • Target version changed from CCI-2.3.3 to CCI-2.4.0

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