Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

createOperations(): fine tune for 'GDA94 + AHD height' to 'GDA2020 to AVWS height' #4341

Merged
merged 1 commit into from
Dec 17, 2024

Conversation

rouault
Copy link
Member

@rouault rouault commented Dec 8, 2024

Fine tune #4337 (comment)

@nich0lasbr0wn sorry for pinging, but I'd appreciate your opinion on the strategy to transform coordinates from 'GDA94 + AHD height' to 'GDA2020 to AVWS height' . This change in PROJ will cause it to go in 3 steps:

  • "GDA94 + AHD height" to "GDA94 (3D)" using the AUSGeoid09_V1.01 grid
  • "GDA94 (3D)" to "GDA2020 (3D)" using the Helmert transformation, in 3D, that is with ellipsoidal height change
  • "GDA2020 (3D)" to "GDA2020 + AVWS height" using the AGQG_20201120 grid.

Does that seem sound to you?

… AVWS height'
@rouault rouault added the funded through GSP Work funded through the GDAL Sponsorship Program label Dec 8, 2024
@rouault rouault merged commit e5e3a6b into OSGeo:master Dec 17, 2024
26 checks passed
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
funded through GSP Work funded through the GDAL Sponsorship Program
Projects
None yet
Development

Successfully merging this pull request may close these issues.

None yet

1 participant