/lib/galaxy/datatypes/converters/interval_to_coverage.xml

<tool id="CONVERTER_interval_to_coverage_0" name="Convert Genomic Intervals To COVERAGE">
  <!--  <description>__NOT_USED_CURRENTLY_FOR_CONVERTERS__</description> -->
  <!-- Used on the metadata edit page. -->
  <command interpreter="python">interval_to_coverage.py $input1 $output1 
  -1 ${input1.metadata.chromCol},${input1.metadata.startCol},${input1.metadata.endCol},${input1.metadata.strandCol}
  -2 ${output1.metadata.chromCol},${output1.metadata.positionCol},${output1.metadata.forwardCol},${output1.metadata.reverseCol}
  </command>
  <inputs>
    <page>
      <param format="interval" name="input1" type="data" label="Choose intervals"/>
    </page>
   </inputs>
  <outputs>
    <data format="coverage" name="output1"/>
  </outputs>
  <help>
  </help>
</tool>