Uploaded image for project: 'Qt'
  1. Qt
  2. QTBUG-68609

libqtiff image plugin does not set RowsPerStrip tag

XMLWordPrintable

    • Icon: Bug Bug
    • Resolution: Done
    • Icon: P2: Important P2: Important
    • 5.11.1
    • 5.5.0
    • Image formats
    • None

      The TIFF plugin generates images without the RowsPerStrip tag defined. This causes read issues with most TIFF readers in the willd, in particular when the LZW compression is enabled: see https://issues.qgis.org/issues/18274

      A reasonable solution is to create stripped image by using the chunk height that is used to compress the data.

      The attached patch implements that

        1. new.tiff
          361 kB
          andreas.loew
        2. old.tiff
          233 kB
          andreas.loew
        3. tiff_rowsperstrip.patch
          6 kB
          Even Rouault
        No reviews matched the request. Check your Options in the drop-down menu of this sections header.

            vgt Eirik Aavitsland
            rouault Even Rouault
            Votes:
            0 Vote for this issue
            Watchers:
            3 Start watching this issue

              Created:
              Updated:
              Resolved:

                There are no open Gerrit changes