RGBA example would seem to require svn version. #90
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@ -122,10 +122,10 @@ and add it after the JP2 header box, but before the codestream box ::
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Create an image with an alpha layer?
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Create an image with an alpha layer?
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====================================
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====================================
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OpenJPEG can create JP2 files with more than 3 components, but by default, any
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OpenJPEG can create JP2 files with more than 3 components (requires
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extra components are not described as such. In order to do so,
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the development version), but by default, any extra components are
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we need to rewrap such an image in a set of boxes that includes a channel
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not described as such. In order to do so, we need to rewrap such
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definition box.
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an image in a set of boxes that includes a channel definition box.
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This example is based on SciPy example code found at
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This example is based on SciPy example code found at
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http://scipy-lectures.github.io/advanced/image_processing/#basic-manipulations .
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http://scipy-lectures.github.io/advanced/image_processing/#basic-manipulations .
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