track ChIPseqsamples
shortLabel ChIP-seq
longLabel ChIP-seq samples
type bigWig
dimensions dimX=view dimY=conditions
visibility dense
subGroup1 view Views peaks=peaks signal=signal
subGroup2 conditions Conditions ChipseqH3K27ac=Chipseq_H3K27ac
autoScale group
compositeTrack on

    track peaks
    shortLabel peaks
    longLabel peaks
    type bigNarrowPeak
    parent ChIPseqsamples
    view peaks
    visibility dense
    
            track ChipseqH3K27acpk
            bigDataUrl ChipseqH3K27acpk.bigNarrowPeak
            shortLabel ChipseqH3K27ac pk
            longLabel Chipseq_H3K27ac peaks
            type bigNarrowPeak
            color 191,0,0
            parent peaks
            priority 11.0
            visibility full
            subGroups conditions=ChipseqH3K27ac view=peaks

    track signal
    shortLabel signal
    longLabel signal
    type bigWig
    maxHeightPixels 100:50:8
    parent ChIPseqsamples
    view signal
    visibility full
    
            track ChipseqH3K27acbw
            bigDataUrl ChipseqH3K27acbw.bigWig
            shortLabel ChipseqH3K27ac bw
            longLabel Chipseq_H3K27ac bigWig
            type bigWig
            color 212,57,57
            parent signal
            priority 12.0
            visibility full
            subGroups conditions=ChipseqH3K27ac view=signal