Render operons

[garrettjstevens]

          User request: Ability to render operon - union of genes. It seems like operon is not rendered in jbrowse at all and apollo track renders it as GenericChildGlyph.

Apollo track:

Jbrowse lgv track:

GFF:

contig_2	Prodigal:002006	operon	664	1426	.	-	0	ID=operon1;name=test_operon
contig_2	Prodigal:002006	gene	664	855	.	-	0	ID=BU_ATCC8492_00002;inference=ab initio prediction:Prodigal:002006;locus_tag=BU_ATCC8492_00002;product=hypothetical protein;eggNOG=411479.BACUNI_00026;COG=-;KEGG=-;Parent=operon1
contig_2	Prodigal:002006	gene	842	1426	.	-	0	ID=BU_ATCC8492_00003;inference=ab initio prediction:Prodigal:002006;locus_tag=BU_ATCC8492_00003;product=hypothetical protein;eggNOG=411479.BACUNI_00025;COG=S;KEGG=-;Pfam=PF06414;InterPro=IPR010488,IPR027417,-;Parent=operon1
contig_2	Prodigal:002006	mRNA	664	1426	.	-	0	ID=transcript:BU_ATCC8492_00003;inference=ab initio prediction:Prodigal:002006;locus_tag=BU_ATCC8492_00003;product=hypothetical protein;eggNOG=411479.BACUNI_00025;COG=S;KEGG=-;Pfam=PF06414;InterPro=IPR010488,IPR027417,-;Parent=BU_ATCC8492_00002,BU_ATCC8492_00003
contig_2	Prodigal:002006	exon	664	1426	.	-	0	ID=exon:BU_ATCC8492_00003;inference=ab initio prediction:Prodigal:002006;locus_tag=BU_ATCC8492_00003;product=hypothetical protein;eggNOG=411479.BACUNI_00025;COG=S;KEGG=-;Pfam=PF06414;InterPro=IPR010488,IPR027417,-;Parent=transcript:BU_ATCC8492_00003
contig_2	Prodigal:002006	CDS	664	855	.	-	0	ID=CDS:BU_ATCC8492_00002;inference=ab initio prediction:Prodigal:002006;locus_tag=BU_ATCC8492_00002;product=hypothetical protein;eggNOG=411479.BACUNI_00026;COG=-;KEGG=-;Parent=transcript:BU_ATCC8492_00003;Derives_from=BU_ATCC8492_00002
contig_2	Prodigal:002006	CDS	842	1426	.	-	0	ID=CDS:BU_ATCC8492_00003;inference=ab initio prediction:Prodigal:002006;locus_tag=BU_ATCC8492_00003;product=hypothetical protein;eggNOG=411479.BACUNI_00025;COG=S;KEGG=-;Pfam=PF06414;InterPro=IPR010488,IPR027417,-;Parent=transcript:BU_ATCC8492_00003;Derives_from=BU_ATCC8492_00003

Originally posted by @shashankbrgowda in #273 (comment)