--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wsi_extract_top_view.xml	Sat Feb 09 14:49:03 2019 -0500
@@ -0,0 +1,34 @@
+<tool id="ip_wsi_extract_top_view" name="Extract top view" version="0.1"> 
+    <description>from whole-slice image</description>
+    <requirements> 
+        <requirement type="package" version="0.14.2">scikit-image</requirement>
+        <requirement type="package" version="1.15.4">numpy</requirement>
+        <requirement type="package" version="1.1.1">openslide-python</requirement>
+        <requirement type="package" version="0.5">glob2</requirement>
+    </requirements>
+    <command> 
+        <![CDATA[
+        python '$__tool_directory__/wsi_extract_top_view.py' '$input' '$output'
+        ]]>
+    </command>
+    <inputs> 
+        <param name="input" type="data" format="svs,svslide,vms,mrxs,tif,tiff" label="Whole Slice Image"/><!--formats taken as listed on https://openslide.org/api/python/-->
+    </inputs>
+    <outputs>
+        <data name="output" format="tiff"/>
+    </outputs>
+    <tests>
+        <test>
+            <param name="input" value="CMU-1-Small-Region.svs"/>
+            <output name="output" value="out.tif" ftype="tiff" compare="sim_size"/>
+        </test>
+    </tests>
+    <help>
+    **What it does**
+
+    Extracts the top view from a whole-slice image, also known as virtual slide, which are high-resolution images used in digital pathology.
+    </help>
+    <citations>
+        <citation type="doi">10.1016/j.jbiotec.2017.07.019</citation>
+    </citations>
+</tool>