// so let's put it in a list
exonList.add(exon2genome);
cglyph.setColor(col_ts);
cglyph.setCoords(gSpan.getMin(), 0, gSpan.getLength(), 20);
exonGlyphs.add(cglyph);
tGlyph.addChild(cglyph);
// testing display of "exon segments" for transcripts that have
// base inserts relative to the genomic sequence
// haven't dealt with display of base deletions in transcript relative to genomic yet
// if exon is segmented by inserts, then it will have children
// that specify this segmentation