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Goal:
I am trying to serve a large (1GB+) GeoTiff file using GeoServer and ImageMosaic.

Process:
iant have written a simple guide for this, which he proposed as an answer for a previous and similar question.

I have used his gdal_retile example and this gave me a folder with lots of tiff files and 8 subfolders (1-8, level 1 having the most zoomed tiles and level 8 a small overview tile).

I created an ImageMosaic store in GeoServer 2.1.3 and pointed my URL to the folder containing the tiff files and the 8 subfolders. GeoServer then put 8 files in the same folder.

I published my ImageMosaic store as a layer and when doing a preview inside GeoServer, Java just starts working and I don't know if it will ever finish.

What am I doing wrong here?

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Try an image pyramid datastore instead of an image mosaic – iant♦ May 3 '12 at 12:48
iant: Write an answer telling me to properly read your guide, and I will accept the answer ;) ImagePyramid seems to work very well and I guess I read ImageMosaic everywhere instead of ImagePyramid :s – Chau May 3 '12 at 12:59

1 Answer

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You need to understand the difference between an image mosaic and an image pyramid.

  • A mosaic is for stitching together a number of images of the same resolution.
  • A pyramid is a series of increasing resolution tile sets that speed up the display of large images.
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