@title("REL (Relation) Format")

= REL Format

<code>
% rel(version:1.0)


</code>

<code>
# single comment line

# object schema definition:  object_name(attribute1, attribute2, ...) 
> object
track(name)
coordinate(group, type, species, revision, name)
coordinate -> gene(name, strand, start, end, cds(start,end), exon(start, end)*)

# object data (object_name(attribute1[:value], ...))
> track(name:"refseq gene")
# specify coordinates 
> coordinate(group:utgb, type:chromosome, species:human, revision:hg18)
# chromosome 1 scope begin
> coordinate(name:chr1)

> gene
NM_001005277	+	357521	358460	[357521, 358460]	[[357521, 358460]]
NM_001005224	+	357521	358460	[357521, 358460]	[[357521, 358460]]
NM_001005221	+	357521	358460	[357521, 358460]	[[357521, 358460]]
NM_001005277	-	610958	611897	[610958, 611897]	[[610958, 611897]]
NM_001005224	-	610958	611897	[610958, 611897]	[[610958, 611897]]
NM_001005221	-	610958	611897	[610958, 611897]	[[610958, 611897]]
NM_152486	+	850983	869824	[851184, 869396]	[[850983, 851043],[851164, 851256],[855397, 855579]]
- description: NL_152486 has several exons

# chromosome 1 scope end
# chromosome 2 scope begin
> coordinate(name:chr2)
> gene
NM_001005277	+	357521	358460	[357521, 358460]	[[357521, 358460]]

# chromosome 2 scope end
  
# flexible relation description
> coordinate(group:utgb, type:chromosome, species:human, revision:hg18)
> coordinate.name, gene
chr1	gene1	+	357521	358460
chr2	gene2	+	357521	358460
chr10	gene3	+	357521	358460
chr3	gene4	+	357521	358460
chr1	gene5	+	357521	358460


</code>