$_> modware-export chado2alignmentgff3 [-?chlopu] [long options...]
	--write_sequence_region     write sequence region header in GFF3
	                            output,  default if off
	-h -? --usage --help        Prints this usage information.
	--feature_name              Output feature name instead of sequence
	                            id in the seq_id field,  default is off.
	--rt --reference_type       The SO type of reference feature, 
	                            default is supercontig
	-o --output                 Name of the output file,  if absent
	                            writes to STDOUT
	--feature_type              SO type of alignment features to be
	                            exported
	--attr --attribute          Additional database attribute
	--match_type                SO type of alignment feature that will be
	                            exported in GFF3, *_match* is appended to
	                            the feature_type by default.
	--pass -p --password        database password
	--force_name                Adds the value of GFF3 *ID* attribute to
	                            *Name* attribute(if absent),  off by
	                            default
	--add_description           If present,  add the GFF3 *Note*
	                            attribute. It looks for a feature
	                            property with *description* cvterm. Off
	                            by default
	--dsn                       database DSN
	--property                  List of additional cvterms which will be
	                            used to extract additional feature
	                            properties
	--schema_debug              Output SQL statements that are executed, 
	                            default to false
	-u --user                   database user
	--log_level                 Log level of the logger,  default is error
	-l --logfile                Name of logfile,  default goes to STDERR
	--species                   Name of species
	--genus                     Name of the genus
	-c --configfile             yaml config file to specify all command
	                            line options
	--org --organism            Common name of the organism whose genomic
	                            features will be exported