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Question

Do you have a transformer to convert .byn files to ASCII ?

  • May 13, 2019
  • 3 replies
  • 54 views

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I would like to import some Canadian grid shift files into another application but it does not natively read .byn files. Ultimately I would like to convert your fme-grids-b19253.zip package of Canadian grids into ASCII so that I can import them into my other application.

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3 replies

danilo_fme
Celebrity
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  • 2077 replies
  • May 16, 2019

Hi @kevinbcrichlow

 

Did you have the dataset in format byn?

 

Thanks,

Danilo


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Hi @kevinbcrichlow

 

Did you have the dataset in format byn?

 

Thanks,

Danilo

Yes. I downloaded it from the NRCAN website.

https://webapp.geod.nrcan.gc.ca/geod/data-donnees/geoid.php


daveatsafe
Safer
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  • Safer
  • 1637 replies
  • May 22, 2019

Hi @kevinbcrichlow,

I'm sorry, but FME does not currently have a reader for the NRCan .byn binary height grids.

There is a converter available as part of the free demo for the hydrographic survey application Hydromagic, which can be downloaded from https://www.eye4software.com/download/. Once installed, run the Hydromagic Geoid File Conversion Utility to convert the .byn file to ascii.

There is some indication that the BYN format will be added to GDAL in the future, which will make it available to FME as well. You can find the specification for the format at https://www.nrcan.gc.ca/sites/www.nrcan.gc.ca/files/earthsciences/pdf/gpshgrid_e.pdf