Why is GM v20.1 ECW display performance much less responsive than previous versions?

bisenbergerbisenberger Global Mapper UserPosts: 69Trusted User
Previous versions were very quick to redraw when panning and zooming ECW images. With version 20.1 I get the spinning circle a lot.

Answers

  • bisenbergerbisenberger Global Mapper User Posts: 69Trusted User
    Hope this is fixed in the v21 release.
  • bmg_bobbmg_bob Global Mapper Programmer Posts: 2,032
    Hello,

    I suggest that you contact Blue Marble Support directly about this via email (geohelp@bluemarblegeo.com) if you are still seeing this problem in Global Mapper 21.0. Please provide a detailed description of your workflow, and an ECW file that exhibits slow performance when panning and zooming.

    We updated the library we use to read ECW files back in April. That update is in Global Mapper 21. I am not sure if it was also added to Global Mapper 20.1 in a minor version update also.

    Cheers,
    Bob
  • coelodontacoelodonta Global Mapper User Posts: 21
    I dont see any difference in ecw handling between 20.1 and earlier

  • bisenbergerbisenberger Global Mapper User Posts: 69Trusted User
    Thanks Bob, I will download 21.0 and check it out.


  • bisenbergerbisenberger Global Mapper User Posts: 69Trusted User
    Version 21.0 is a lot better than v20.1, but when zoomed way in it is not as quick as v17.2.
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