Genome Browser json

The BioUML Genome Browser iframe can be adjusted with settings in json format.
All fields available for setup are described by comments below. Note, that to use this json obect as an example, all comments should be romoved.

{
  //Path to genome in BioUML server repository
  "sequencePath":"databases/EnsemblHuman100/Sequences/chromosomes GRCh38",
  //[optional] Track with chromosome to be displayed on top, set "" to hide this track
  "chromosomeTrack": "databases/EnsemblHuman100/Tracks/Karyotype",
  //[optional] Chromosome to be opened first
  "chromosome":"1",
  //[optional] Start position
  "from":1234,
  //[optional] End position
  "to": 5678,
  // Tracks available for display,
  // Each track is set as "Label":"Path to track in BioUML server repository"
  // BigBed tracks can be shown by http/https links
  "tracks":{
    "GC content":"databases/EnsemblHuman100/Tracks/GC content",
    "Genes":"databases/EnsemblHuman100/Tracks/Genes",
    "Extended genes":"databases/EnsemblHuman100/Tracks/ExtendedGeneTrack",
    "Transcripts":"databases/EnsemblHuman100/Tracks/Transcripts"
  },
  //Some specific track properties, set {} if no specific properties required
  "trackProperties":{
    "BBTrack_1":{"chr_name_mapping":"hg38_ucsc_to_ensembl"}
  },
  //[optional] Tracks visible when browser is opened, by labels in 'tracks' field
  //if not set, first two tracks will be shown
  "initialTracks": ["Genes", "Transcripts"]
}