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Reading ECW version 3 and writing ECW version 2

  • April 16, 2020
  • 1 reply
  • 157 views
E

I am reading a large ECW version 3 file into FME and then clip it. After this I want to write in to an ECW version 2. Everytime when I do this I get the following warning: ECW writer: Existing value for creation option 'ECW_FORMAT_VERSION' was '2'. Overwriting with the new value '3'.

Is there any way I can turn off, the automatic overwriting of the version number? I really need the final output to be an ECW version 2.

Thanks in advance!

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1 reply

jakemolnar
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  1. Expose the format attribute `ecw_format_version` on your ECW 3 Reader.
  2. Use an AttributeRemover to remove that attribute
  3. Send the feature along to your ECW 2 Writer

The ECW writer parameter is being overwritten by the `ecw_format_version` (with value 3) that is coming from your reader.

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