igv on cluster - tufts university · viewing the igv window if the genome browser is cut off by...

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Start IGV on the Tufts HPC cluster Using Chrome web browser, log in to ondemand.tufts.edu Choose Interactive Apps->IGV Choose desired time, >2 cores, 64 Gb memory Click “Launch NoVNC” when it appears

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Page 1: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

Start IGV on the Tufts HPC cluster• Using Chrome web browser, log in to ondemand.tufts.edu• Choose Interactive Apps->IGV• Choose desired time, >2 cores, 64 Gb memory• Click “Launch NoVNC” when it appears

Page 2: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

Viewing the IGV windowIf the genome browser is cut off by the “Workspace” bar at the bottom -> Resize window using Chrome Zoom options

Page 3: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

BAM Visualization with IGVChrom web browser to ondemand.tufts.edu -> login.Choose Interactive Apps->IGVClick “Launch NoVNC” when it appears

Page 4: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

RNAseq PreferencesIf you are loading spliced RNAseq BAM files1. Go to View->Preferences

2. Click Alignments -> Track Display Preferences Options3. Check Splice Junction Track. 4. Click "OK"

Page 5: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

Load Reference GenomeChoose reference genome by clicking “Genomes” on the top menu

• If you have mapped using a standard reference genome: Choose “Load Genome from Server” and highlight the genome you’d like to download. Leave “Download Sequence” unchecked

• If you mapped using a custom genome:Choose “Load Genome from File” and navigate to the genome location on the cluster. Note that the genome must be indexed e.g. with samtools prior to loading

Page 6: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

Load BAMChoose BAM file by clicking on “File” on the top menu

• Navigate to the BAM location on the cluster.• Note that your BAM file must be sorted and

indexed e.g. by samtools

Page 7: IGV on cluster - Tufts University · Viewing the IGV window If the genome browser is cut off by the“Workspace” bar at the bottom -> Resize window using Chrome Zoom options

Type gene/contig name here (e.g. SUS1) or coordinates e.g. chrII:400,000-500,000

Zoom in and out

Select a region here to zoom

Splice junctions

BAM Visualization with IGV