Add repeat_channels tool

tools/repeat_channels/.shed.yml

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+categories:
+  - Imaging
+description: Convert single-channel to multi-channel image
+long_description: This tools converts a single-channel image to a multi-channel image by repeating the channel multiple times.
+name: repeat_channels
+owner: imgteam
+homepage_url: https://github.com/bmcv
+remote_repository_url: https://github.com/BMCV/galaxy-image-analysis/tree/master/tools/repeat_channels/

tools/repeat_channels/creators.xml

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+../../macros/creators.xml

tools/repeat_channels/repeat_channels.py

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+import argparse
+
+import giatools.io
+import numpy as np
+import skimage.io
+
+
+if __name__ == '__main__':
+
+    parser = argparse.ArgumentParser()
+    parser.add_argument('input', type=str)
+    parser.add_argument('count', type=int)
+    parser.add_argument('output', type=str)
+    args = parser.parse_args()
+
+    im = giatools.io.imread(args.input)
+    im = np.squeeze(im)
+    im = np.dstack([im] * args.count)
+    skimage.io.imsave(args.output, im)

tools/repeat_channels/repeat_channels.xml

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+<tool id="repeat_channels" name="Convert single-channel to multi-channel image" version="@TOOL_VERSION@+galaxy@VERSION_SUFFIX@" profile="22.05">
+    <description>with NumPy</description>
+    <macros>
+        <import>creators.xml</import>
+        <import>tests.xml</import>
+        <token name="@TOOL_VERSION@">1.26.4</token>
+        <token name="@VERSION_SUFFIX@">0</token>
+    </macros>
+    <creator>
+        <expand macro="creators/bmcv"/>
+    </creator>
+    <edam_operations>
+        <edam_operation>operation_3443</edam_operation>
+    </edam_operations>
+    <xrefs>
+        <xref type="bio.tools">galaxy_image_analysis</xref>
+    </xrefs>
+    <requirements>
+        <requirement type="package" version="1.26.4">numpy</requirement>
+        <requirement type="package" version="0.18.1">scikit-image</requirement>
+        <requirement type="package" version="0.1">giatools</requirement>
+    </requirements>
+    <command><![CDATA[
+    
+    ## Inputs
+    
+    python '$__tool_directory__/repeat_channels.py'
+    '$input'
+    '$count'
+    
+    ## Outputs
+    
+    ./output.tif
+    
+    ]]>
+    </command>
+    <inputs>
+        <param name="input" type="data" format="tiff,png" label="Input image (single-channel)" />
+        <param name="count" type="integer" value="3" min="1" label="Number of channels" />
+    </inputs>
+    <outputs>
+        <data format="tiff" name="output" from_work_dir="output.tif" />
+    </outputs>
+    <tests>
+        <test>
+            <param name="input" value="input1.tif" />
+            <param name="count" value="3" />
+            <expand macro="tests/intensity_image_diff" name="output" value="input1_c3.tif" ftype="tiff" />
+        </test>
+    </tests>
+    <help>
+
+        **Convert single-channel to multi-channel image.**
+
+        This tools converts a single-channel image to a multi-channel image by repeating the channel multiple times.
+
+    </help>
+    <citations>
+        <citation type="doi">10.1038/s41586-020-2649-2</citation>
+    </citations>
+</tool>

tools/repeat_channels/tests.xml

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+../../macros/tests.xml