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Merge branch 'issue139' into devel

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jevans 2013-11-06 20:34:38 -05:00
commit 7da7bc35e4
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docs/source/detailed_installation.rst
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@ -13,7 +13,7 @@ both read and write JPEG 2000 files, but you may wish to install version 2.0
or the 2.0+ version from OpenJPEG's development trunk for better performance. or the 2.0+ version from OpenJPEG's development trunk for better performance.
If you do that, you should compile it as a shared library (named *openjp2* If you do that, you should compile it as a shared library (named *openjp2*
instead of *openjpeg*) from the developmental source that you can retrieve instead of *openjpeg*) from the developmental source that you can retrieve
via subversion. As of this time of writing, svn revision 2347 works. via subversion. As of this time of writing, svn revision r2354 works.
You should also download the test data for the purpose of configuring You should also download the test data for the purpose of configuring
and running OpenJPEG's test suite, check their instructions for all this. and running OpenJPEG's test suite, check their instructions for all this.
You should set the **OPJ_DATA_ROOT** environment variable for the purpose You should set the **OPJ_DATA_ROOT** environment variable for the purpose

10
docs/source/how_do_i.rst
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@ -4,7 +4,7 @@ How do I...?
... read the lowest resolution thumbnail? ... read the lowest resolution thumbnail?
===================================== =========================================
Printing the Jp2k object should reveal the number of resolutions (look in the 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 COD segment section), but you can take a shortcut by supplying -1 as the
resolution level. :: resolution level. ::
@ -15,7 +15,7 @@ resolution level. ::
>>> thumbnail = j.read(rlevel=-1) >>> thumbnail = j.read(rlevel=-1)
... display metadata? ... display metadata?
================= =====================
There are two ways. From the unix command line, the script *jp2dump* is There are two ways. From the unix command line, the script *jp2dump* is
available. :: available. ::
@ -35,7 +35,7 @@ codestream box, only the main header is printed. It is possible to print
>>> print(j.get_codestream()) >>> print(j.get_codestream())
... add XML metadata? ... add XML metadata?
================= =====================
You can append any number of XML boxes to a JP2 file (not to a raw codestream). You can append any number of XML boxes to a JP2 file (not to a raw codestream).
Consider the following XML file `data.xml` : :: Consider the following XML file `data.xml` : ::
@ -67,7 +67,7 @@ The **append** method can add an XML box as shown below::
>>> print(jp2) >>> print(jp2)
... add metadata in a more general fashion? ... add metadata in a more general fashion?
======================================= ===========================================
An existing raw codestream (or JP2 file) can be wrapped (re-wrapped) in a An existing raw codestream (or JP2 file) can be wrapped (re-wrapped) in a
user-defined set of JP2 boxes. To get just a minimal JP2 jacket on the user-defined set of JP2 boxes. To get just a minimal JP2 jacket on the
codestream provided by `goodstuff.j2k` (a file consisting of a raw codestream), codestream provided by `goodstuff.j2k` (a file consisting of a raw codestream),
@ -158,7 +158,7 @@ while **append** modifies an existing file and is currently limited to XML
boxes. boxes.
... create an image with an alpha layer? ... create an image with an alpha layer?
==================================== ========================================
OpenJPEG can create JP2 files with more than 3 components (requires OpenJPEG can create JP2 files with more than 3 components (requires
the development version of OpenJPEG), but by default, any extra components are the development version of OpenJPEG), but by default, any extra components are