SequenceFeaturesBar

class visualife.widget.SequenceFeaturesBar(viewport, sequence_ids=[], seq_len=0, **kwargs)

Bases: object

Draws a sequence features widget.

This widget displays a sequence or sequences, representing them by a row of featured regions. Each region as well as each sequence is identified by a name

Parameters:

• viewport – where to draw the widget
• sequence_ids – a list of IDs for displayed sequences; sequences can also be added with add_sequence() method
• kwargs – see below

Keyword Arguments:  

• arrow_fill (string) – provides color to fill an arrow; arrow border will be made darker than the given fill

Methods Summary

add_sequence(seq_name, **kwargs)	Adds a new row to this widget.
add_to_region(sequence_name, region_name[, …])	Adds parts of sequence to the region_name of given sequence
delete_region(sequence_name, region_name)	Deletes region for the given sequence
delete_regions()
draw()	Draws whole widget
show_tooltip(evt)	Shows tooltip with description of event target annotation

Methods Documentation

add_sequence(seq_name, **kwargs)

Adds a new row to this widget.

Each row represents a protein / nucleic sequence. Annotations for this sequence may be added with add_to_region() method :param seq_name: (string) name of a new sequence, it will be displayed by this widget. It’s

also used to identify this sequence in add_to_region() method

Parameters:kwargs – drawing parameters

add_to_region(sequence_name, region_name, if_show_region=True, **kwargs)

Adds parts of sequence to the region_name of given sequence

delete_region(sequence_name, region_name)

Deletes region for the given sequence

delete_regions()

draw()

Draws whole widget

show_tooltip(evt)

Shows tooltip with description of event target annotation