view genomeCoverageBed_histogram.xml @ 6:75d323631dce draft

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<tool id="bedtools_genomecoveragebed_histogram" name="Create a histogram of genome coverage" version="0.2.0">
    <description>
    </description>
    <macros>
        <import>macros.xml</import>
    </macros>
    <expand macro="requirements" />
    <expand macro="stdio" />
    <command>
    genomeCoverageBed
        #if $input.ext == "bam"
            -ibam '$input'
        #else
            -i '$input'
            -g ${chromInfo}
        #end if
        #if str($max):
          -max $max
        #end if
        &gt; '$output'
    </command>

    <inputs>
        <param format="bed,bam" name="input" type="data" label="The BAM or BED file from which coverage should be computed"></param>
        <param name="max" type="text" optional="true" label="Max depth" help="Combine all positions with a depth >= max into a single bin in the histogram."/>
    </inputs>

    <outputs>
        <data format="tabular" name="output"  metadata_source="input" label="${input.name} (Genome Coverage Histogram)" />
    </outputs>

<help>
**What it does**

This tool calculates a histogram of genome coverage depth based on mapped reads in BAM format or intervals in BED format.


------


.. class:: infomark

The output file will contain five columns:

    * 1. Chromosome name (or 'genome' for whole-genome coverage)
    * 2. Coverage depth
    * 3. The number of bases on chromosome (or genome) with depth equal to column 2.
    * 4. The size of chromosome (or entire genome) in base pairs
    * 5. The fraction of bases on chromosome (or entire genome) with depth equal to column 2.

**Example Output**::
    
    chr2L       0           1379895     23011544    0.0599653
    chr2L       1           837250      23011544    0.0363839
    chr2L       2           904442      23011544    0.0393038
    chr2L       3           913723      23011544    0.0397072
    chr2L       4           952166      23011544    0.0413778
    chr2L       5           967763      23011544    0.0420555
    chr2L       6           986331      23011544    0.0428624
    chr2L       7           998244      23011544    0.0433801
    chr2L       8           995791      23011544    0.0432735
    chr2L       9           996398      23011544    0.0432999


@REFERENCES@
    </help>
</tool>