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Added reduce=-1 to get lowest resolution thumbnail. Closes #38.

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jevans 2013-06-11 19:07:44 -04:00
commit 61712442eb
3 changed files with 40 additions and 4 deletions
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docs/source/how_do_i.rst
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@ -3,6 +3,18 @@ How do I...?
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Read the lowest resolution thumbnail?
=====================================
Printing the Jp2k object should reveal the number of resolutions (look in the
COD segment section), but you can take a shortcut by supplying -1 as the reduce
level.
>>> import pkg_resources
>>> import glymur
>>> file = pkg_resources.resource_filename(glymur.__name__, "data/nemo.jp2")
>>> j = glymur.Jp2k(file)
>>> thumbnail = j.read(reduce=-1)
Display metadata?
=================
There are two ways. From the unix command line, the script *jp2dump* is