Question

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

  • 22 November 2022
  • 7 replies
  • 1 view

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

Userlevel 5
Badge +29

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

Thank you for this answer.

That confirm my doubt..

and in 2023 , ecw in fme support transparency?

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

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

Userlevel 5
Badge +25

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?

Have you tried it?

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

It is not correct to pay for that

Clipboard 3

Userlevel 4
Badge +36

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...

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.. :(

Reply