{
  "assemblies": [
    {
      "name": "hg38",
      "aliases": ["GRCh38"],
      "sequence": {
        "type": "ReferenceSequenceTrack",
        "trackId": "hg38-ReferenceSequenceTrack",
        "adapter": {
          "type": "TwoBitAdapter",
          "uri": "https://hgdownload.soe.ucsc.edu/goldenPath/hg38/bigZips/hg38.2bit",
          "chromSizes": "https://jbrowse.org/demos/gene_density/hg38.chrom.sizes"
        }
      },
      "geneticCodes": { "chrM": 2 }
    }
  ],
  "tracks": [
    {
      "type": "FeatureTrack",
      "trackId": "hg38_genes",
      "name": "RefSeq curated genes",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "Gff3TabixAdapter",
        "gffGzLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/genes.gff.gz"
        },
        "index": {
          "location": {
            "uri": "https://jbrowse.org/demos/gene_density/genes.gff.gz.tbi"
          }
        }
      }
    },
    {
      "type": "QuantitativeTrack",
      "trackId": "hg38_genes_density",
      "name": "RefSeq genes per kb",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BigWigAdapter",
        "bigWigLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/genes.gff.density.bw"
        }
      },
      "displayDefaults": { "extent": "none" }
    },
    {
      "type": "FeatureTrack",
      "trackId": "hg38_Alu",
      "name": "RepeatMasker Alu",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BedTabixAdapter",
        "bedGzLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/Alu.bed.gz"
        },
        "index": {
          "location": {
            "uri": "https://jbrowse.org/demos/gene_density/Alu.bed.gz.tbi"
          }
        }
      }
    },
    {
      "type": "QuantitativeTrack",
      "trackId": "hg38_Alu_density",
      "name": "Alu per kb",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BigWigAdapter",
        "bigWigLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/Alu.bed.density.bw"
        }
      },
      "displayDefaults": { "extent": "none" }
    },
    {
      "type": "FeatureTrack",
      "trackId": "hg38_L1",
      "name": "RepeatMasker L1",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BedTabixAdapter",
        "bedGzLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/L1.bed.gz"
        },
        "index": {
          "location": {
            "uri": "https://jbrowse.org/demos/gene_density/L1.bed.gz.tbi"
          }
        }
      }
    },
    {
      "type": "QuantitativeTrack",
      "trackId": "hg38_L1_density",
      "name": "L1 per kb",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BigWigAdapter",
        "bigWigLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/L1.bed.density.bw"
        }
      },
      "displayDefaults": { "extent": "none" }
    },
    {
      "type": "FeatureTrack",
      "trackId": "hg38_Simple_repeat",
      "name": "RepeatMasker simple repeats",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BedTabixAdapter",
        "bedGzLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/Simple_repeat.bed.gz"
        },
        "index": {
          "location": {
            "uri": "https://jbrowse.org/demos/gene_density/Simple_repeat.bed.gz.tbi"
          }
        }
      }
    },
    {
      "type": "QuantitativeTrack",
      "trackId": "hg38_Simple_repeat_density",
      "name": "Simple repeats per kb",
      "assemblyNames": ["hg38"],
      "adapter": {
        "type": "BigWigAdapter",
        "bigWigLocation": {
          "uri": "https://jbrowse.org/demos/gene_density/Simple_repeat.bed.density.bw"
        }
      },
      "displayDefaults": { "extent": "none" }
    }
  ],
  "defaultSession": {
    "name": "Gene density",
    "views": [
      {
        "type": "LinearGenomeView",
        "assembly": "hg38",
        "loc": "chr1",
        "tracks": [
          "hg38_genes_density",
          "hg38_Alu_density",
          "hg38_L1_density",
          "hg38_Simple_repeat_density"
        ]
      }
    ]
  }
}