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https://issues.apache.org/jira/browse/IMAGING-182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary Lucas updated IMAGING-182:
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Attachment: Imaging_182_Patch_2016_04_20.patch
Here is a patch that addresses the item #182, providing an enhancement to the
Apache Commons Imaging library to write grayscale-formatted TIFF files. Among
their other uses, grayscale images are useful in applications that process
satellite images and related data products.
The patch contains code changes for the main API, a small amount of additional
javadoc, and a modification to the round-trip test for TIFF images.
As soon as this patch gets accepted (if it gets accepted), I will move forward
on submitting a patch for Item 170, which involves overlapping code.
I hereby release the patch that I contributed,
Imaging_182_Patch_2016_04_20.patch, for use by the Apache Software Foundation
and all interested parties according to the conditions specified in the Apache
License, Version 2.0 described at http://www.apache.org/licenses/
> Enhance TIFF writer to support grayscale images
> -----------------------------------------------
>
> Key: IMAGING-182
> URL: https://issues.apache.org/jira/browse/IMAGING-182
> Project: Commons Imaging
> Issue Type: New Feature
> Components: Format: TIFF
> Affects Versions: 1.0, 1.x
> Reporter: Gary Lucas
> Attachments: Imaging_182_Patch_2016_04_20.patch
>
>
> The current implementation does not permit to storage of grayscale images
> when writing a TIFF output. Grayscales come in handy for converting
> satellite image products to GeoTIFFs for display in GIS applications. The
> current implementation can read grayscale formats but cannot writing them.
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