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Question

keep transparency of my original tiff when i convert in jp2ecw or ecw

  • November 22, 2022
  • 7 replies
  • 10 views

Bonjour

Quelqu’un peut-il m’aider à convertir en ecw ou jp2 le tif joint sur ce message.

Je veux préserver la transparence.

Dans l’ensemble, la transparence de mon test n’est pas préservée. Renommer

Résultat.jpg en Résultat.jp2 pour voir le probleme (ouvert avec gqis 3.22)

7 replies

hkingsbury
Celebrity
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  • Celebrity
  • November 22, 2022

Sorry, i'm not a french speaker, but based on the title I think I get the idea of your problem.

It's a short answer, ECW doesn't support transparency


  • Author
  • November 23, 2022

Thank you for this answer.

That confirm my doubt..


  • Author
  • November 14, 2023

and in 2023 , ecw in fme support transparency?

Does FME invest in last version $$$$$$ ?

https://sigblog.hexagon.com/help-ecw-speckled-edges/


redgeographics
Celebrity
Forum|alt.badge.img+50
jydee wrote:

and in 2023 , ecw in fme support transparency?

Does FME invest in last version $$$$$$ ?

https://sigblog.hexagon.com/help-ecw-speckled-edges/

Have you tried it?


  • Author
  • November 14, 2023
redgeographics wrote:

Have you tried it?

Yes and it is always a shame! (FME 2023.1)

It is not correct to pay for that

Clipboard 3


geomancer
Evangelist
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  • Evangelist
  • November 14, 2023

According to the FME Form Legal Notice 2023.1, this version uses ECW JPEG2000 SDK (Copyright (c) Hexagon Geospatial. Used under license.), not ERDAS ECW-JP2 SDK. So alas, no transparent ECW files...


  • Author
  • November 14, 2023

Thank you for your answer, so i Will keep tif cog because it allow transparency and it is free .

Fme is useless for my raster job.. :(


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