inherit from GlyphSet_wiggle_and_block, code for varaible height renderer
inherit from GlyphSet_wiggle_and_block, code for varaible height renderer

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-draw,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode