...
query_url :- URLs of features to be loaded. e.g. http%3A%2F%2Fbioviz.org%2Fdas2%2Fgenome%2FA_thaliana_Jun_2009%2FEST%2B%2528multiple%2Bmap%2529
Optional properties (
...
per track)
feature_url_0 :- Url of feature to which the track belongs to. e.g. feature_url_0=http%3A%2F%2Figbquickload.org%2Fquickload%2FA_thaliana_Jun_2009%2FTAIR10_mRNA.bed.gz
...