--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/projective_transformation.xml	Sat Feb 09 14:44:40 2019 -0500
@@ -0,0 +1,42 @@
+<tool id="ip_projective_transformation" name="Projective Transformation" version="0.0.4">
+    <description>Projective Transformation</description>
+    <requirements>
+        <requirement type="package" version="0.14.2">scikit-image</requirement>
+        <requirement type="package" version="0.23.4">pandas</requirement>
+        <requirement type="package" version="1.15.4">numpy</requirement>
+        <!--<requirement type="package" version="1.1.0">scipy</requirement>-->
+    </requirements>
+    <command>
+    <![CDATA[
+         python '$__tool_directory__/projective_transformation.py'
+         '$fixed_image'
+         '$moving_image'
+         '$warp_matrix'
+         ./out.png
+    ]]>
+    </command>
+    <inputs>
+        <param name="moving_image" type="data" format="png" label="Moving Image" />
+        <param name="fixed_image" type="data" format="png" label="Fixed Image" />
+        <param name="warp_matrix" type= "data" format="tabular" label="Warp Matrix" />
+    </inputs>
+    <outputs>
+       <data format="png" name="out" from_work_dir="out.png" />
+    </outputs>
+    <tests>
+      <test>
+        <param name="fixed_image" value="sample1.png"/>
+        <param name="moving_image" value="sample2.png"/>
+        <param name="warp_matrix" value="warp_matrix.tsv"/>
+        <output name="out" value="yam.png" ftype="png" compare="sim_size"/>
+      </test>
+    </tests>
+    <help>
+    **What it does**
+
+    This tool performs a projective transformation of the input (moving) image so that it fits the fixed image.
+    </help>
+    <citations>
+        <citation type="doi">10.1016/j.jbiotec.2017.07.019</citation>
+    </citations>
+</tool>