Commit de54bad8 authored by htyao's avatar htyao
Browse files

Drawing class page

parent 7c58a553
List of VARNA parameters and their default value that can be passed in `BasicDraw.update()`.
List of VARNA parameters and their default value that can be passed as keyword arguments to `BasicDraw.update()`.
The name of keyword argument is listed in the `name` column in each table.
::: varnaapi.param
# Choices
There are two VARNA parameters, `algorithm` and `bpStyle`, takes value from defined options.
::: varnaapi.param
members: ["BP_STYLES", "ALGORITHMS"]
In VARNA API, we offer three Python classes [VARNA](#varnaapi.VARNA), [Comparison](#varnaapi.Comparison), and [Motif](#varnaapi.Motif) for RNA secondary structure visualisation.
In VARNA API, all drawing classes are inherited from the class [BasicDraw][varnaapi.BasicDraw]. We offer three Python classes [Structure][varnaapi.Structure], [Comparison][varnaapi.Comparison], and [Motif][varnaapi.Motif] for different RNA secondary structure visualisation.
The first two correspond to the classic and the comparison mode in VARNA. The last one is the special case for motif drawing.
Both [Comparison](#varnaapi.Comparison) and [Motif](#varnaapi.Motif) are inherited classes of [VARNA](#varnaapi.VARNA).
- [Structure][varnaapi.Structure]: The most common drawing class taking a secondary structure and/or an RNA sequence as input.
- [Comparison][varnaapi.Comparison]: Comparison between two structures and two sequences.
- [Motif][varnaapi.Motif]: Customized class to draw motif, an union of loops.
::: varnaapi.models
members: ["Structure"]
members: ["BasicDraw"]
inherited_members: True
::: varnaapi.models
members: ["Structure"]
::: varnaapi.models
members: ["Comparison"]
......@@ -23,7 +30,8 @@ Both [Comparison](#varnaapi.Comparison) and [Motif](#varnaapi.Motif) are inherit
### Example
Figure above is created with
from varnaapi import Motif, BaseAnnotation
from varnaapi import Motif
from varnaapi.param import BaseAnnotation
m = Motif("((*)(*)(((*)(*))))", sequence=" *AU* CC * * ")
m.add_annotation(BaseAnnotation(" Root", 1))
m.add_annotation(BaseAnnotation("Dummy", 13))
......@@ -9,13 +9,13 @@ VARNA API aims to simplify such process.
The command below highlights region 11-21 and adds a non-canonical base pair at position (14,20)
on secondary structure `((((((.((((((........)))))).((((((.......))))))..))))))`.
java -cp VARNAv3-93.jar fr.orsay.lri.varna.applications.VARNAcmd -sequenceDBN " " -structureDBN "((((((.((((((........)))))).((((((.......))))))..))))))" -o example.png -algorithm radiate -auxBPs "(14,20):color=#FF00FF,thickness=1.0,edge5=s,edge3=wc,stericity=cis" -highlightRegion "11-21:radius=15.0,fill=#9999FF,outline=#3333FF"
java -cp VARNAv3-93.jar fr.orsay.lri.varna.applications.VARNAcmd -sequenceDBN " " -structureDBN "((((((.((((((........)))))).((((((.......))))))..))))))" -o example.png -auxBPs "(14,20):color=#ff00ff" -highlightRegion "11-21"
The equivalence using VARNA API would be
from varnaapi import VARNA
v = VARNA(structure="((((((.((((((........)))))).((((((.......))))))..))))))")
from varnaapi import Structure
v = Structure(structure="((((((.((((((........)))))).((((((.......))))))..))))))")
v.add_aux_BP(13, 19, edge5="s", color="#FF00FF")
......@@ -67,7 +67,7 @@ In library, the easiest way to modify these parameters is through the member fun
Some parameters, such as algorithm, can be set up via specific function. The rest will be supported in future update.
v.update(algorithm='naview', baStyle='none', drawBackbone=False, np='#006400')
v.update(algorithm='naview', bpStyle='none', drawBackbone=False, bp='#006400')
!!! note "Color parameters"
......@@ -12,7 +12,7 @@ nav:
- Gallery:
- Riboswitch cartoon: gallery/Cartoon-like.ipynb
- API:
- VARNA Classes:
- Drawing Classes:
- Configurations:
- Annotation:
- Miscellaneous:
......@@ -9,7 +9,7 @@ from deprecated import deprecated
from IPython.display import Image, display, SVG
from varnaapi.param import VarnaConfig, BasesStyle, _Title, _Highlight, _Annotation, _BPStyle, _ChemProb, _ColorMap
from varnaapi.param import _VarnaConfig, BasesStyle, _Title, _Highlight, _Annotation, _BPStyle, _ChemProb, _ColorMap
......@@ -63,7 +63,7 @@ def _parse_vienna(ss):
return res
class BasicDraw(VarnaConfig):
class BasicDraw(_VarnaConfig):
def __init__(self):
......@@ -76,7 +76,7 @@ class BasicDraw(VarnaConfig):
self.length = 0
self.colormap = None
def add_aux_BP(self, i:int, j:int, **kwargs):
def add_aux_BP(self, i:int, j:int, edge5='wc', edge3='wc', stericity='cis', color='blue', thickness:float=1):
"""Add an additional base pair `(i,j)`, possibly defining and using custom style
......@@ -85,12 +85,12 @@ class BasicDraw(VarnaConfig):
edge5: Edge 5' used for interaction in non-canonical base-pairs, as defined by the Leontis/Westhof classification of base-pairs. Admissible values are __wc__ (Watson/Crick edge), __h__ (Hoogsteen edge) and __s__ (Sugar edge).
edge3: Edge 3' used for interaction in non-canonical base-pairs. Admissible values are __wc__, __h__ and __s__.
stericity: Orientation of the strands. Admissible values are __cis__ and __trans__
color (Hex): Base-pair color in Hex color codes
color (color): Base-pair color
thickness: Base-pair thickness
assert_valid_interval(self.length, i, j)
self.aux_BPs.append((i+1, j+1, _BPStyle(**{k: v for k, v in kwargs.items() if v is not None})))
self.aux_BPs.append((i+1, j+1, _BPStyle(edge5=edge5, edge3=edge3, stericity=stericity, color=color, thickness=thickness)))
def add_highlight_region(self, i:int, j:int, radius:float=16, fill="#BCFFDD", outline="#6ED86E"):
"""Highlights a region by drawing a polygon of predefined radius,
......@@ -101,8 +101,8 @@ class BasicDraw(VarnaConfig):
i: 5'-end of the highlight
j: 3'-end of the highlight
radius: Thickness of the highlight
fill (Hex): The color used to fill the highlight
outline (Hex): The color used to draw the line around the highlight
fill (color): The color used to fill the highlight
outline (color): The color used to draw the line around the highlight
assert_valid_interval(self.length, i, j)
......@@ -123,11 +123,12 @@ class BasicDraw(VarnaConfig):
bases: List of 0-indexed positions
>>> style1 = BasesStyle(fill="#FF0000")
>>> style2 = BasesStyle(fill="#FFFF00" outline="#00FF00")
>>> varna.add_bases_style(style1, [0,2,4])
>>> varna.add_bases_style(setye1, [10,11,12])
>>> varna.add_bases_style(style2, [4,5,6,7])
>>> v = varnaapi.Structure()
>>> style1 = varnaapi.param.BasesStyle(fill="#FF0000")
>>> style2 = varnaapi.param.BasesStyle(fill="#FFFF00" outline="#00FF00")
>>> v.add_bases_style(style1, [0,2,4])
>>> v.add_bases_style(setye1, [10,11,12])
>>> v.add_bases_style(style2, [4,5,6,7])
if not isinstance(style, BasesStyle):
......@@ -140,8 +141,9 @@ class BasicDraw(VarnaConfig):
Argument should be a valid [Annotation]( object
>>> a = LoopAnnotation("L1", 6, color="#FF00FF")
>>> varna.add_annotation(a)
>>> v = varnaapi.Structure()
>>> a = varnaapi.param.LoopAnnotation("L1", 6, color="#FF00FF")
>>> v.add_annotation(a)
# Assert is annotation
if not isinstance(annotation, _Annotation):
......@@ -229,9 +231,16 @@ class BasicDraw(VarnaConfig):
def _gen_input_cmd(self):
def savefig(self, output, show=False):
def savefig(self, output, show:bool=False):
Call VARNA to draw and store the paint in output
output: Output file name with extension is either png or svg
show: Show the drawing
The argument `show` is used only in jupyter notebook
self.output = output
cmd = self._gen_command()
......@@ -243,6 +252,8 @@ class BasicDraw(VarnaConfig):
elif output[-3:] == 'svg':
raise Exception("File type should be either png or svg")
def show(self, extension='png'):
"""Show the drawing
......@@ -257,7 +268,7 @@ class Structure(BasicDraw):
and ` `s or `.`s will be added to sequence or structure to complement.
seq: Raw nucleotide sequence for the displayed RNA.
sequence: Raw nucleotide sequence for the displayed RNA.
Each base must be encoded in a single character.
Letters others than `A`, `C`, `G`, `U` and space are tolerated.
structure (str or list): RNA (pseudoknotted) secondary structure in one of three formats
......@@ -337,7 +348,7 @@ def VARNA(*args, **kwargs):
class Comparison(BasicDraw):
"""Drawing of two aligned RNAs.
Unlike classic [VARNA][varnaapi.VARNA] mode,
Unlike classic [Structure][varnaapi.Structure] mode,
both sequences and structures __MUST__ be specified and have the same size.
Additionally, the merged secondary structures must currently be without any crossing
interactions (e.g. pseudoknots), and merging them should give a secondary structure.
......@@ -375,7 +386,7 @@ class Motif(BasicDraw):
represents a closing base pair. A motif can also be seen as an union
of consecutive loops. The figure below represents `((*)(*)(((*)(*))))`.
Motif class inherits from [VARNA][varnaapi.VARNA] with some pre-set
Motif class inherits from [Structure][varnaapi.Structure] with some pre-set
- rotation is set at `180`
......@@ -388,7 +399,7 @@ class Motif(BasicDraw):
Therefore, the index of bases is changed after creating the object.
For example, the index of first base of root is `1` instead of `0`.
The default bases style for root is
`BasesStyle(fill="#606060", outline="#FFFFFF",number="#FFFFFF")` and
`BasesStyle(fill="#606060", outline="#FFFFFF", number="#FFFFFF")` and
`BasesStyle(fill="#DDDDDD", outline="#FFFFFF", number="#FFFFFF")` for
dummy bases. One can change them using
[set_root_bases_style][varnaapi.Motif.set_root_bases_style] and
......@@ -468,7 +468,7 @@ class _ColorMap:
class VarnaConfig:
class _VarnaConfig:
"""Create default configuration for VARNA
def __init__(self):
......@@ -497,7 +497,8 @@ class VarnaConfig:
return params
def update(self, loaded=False, **kwargs):
"""Easy way to update params value
"""Easy way to update params value.
The list of keyward arguments can be found [here](/config)
# Assert argument is in the parameter list and type check
if loaded:
......@@ -516,13 +517,13 @@ class VarnaConfig:
except TypeError as e:
def get_params(self, complete=True):
def get_params(self, complete:bool=False):
"""Get parameters with value in dictionary
By default, only the parameters with value different than the default are returned.
Set complete to True to get complete parameters.
complete: Return complete parameters. Defaults to True
complete: Return complete parameters.
if complete:
param = self._params.copy()
......@@ -544,7 +545,8 @@ class VarnaConfig:
__Note:__ `lw` is set by default
>>> varna.set_bp_style("simple")
>>> v = varnaapi.Structure()
>>> v.set_bp_style("simple")
......@@ -553,7 +555,7 @@ class VarnaConfig:
cmd = []
for par, val in self.get_params(complete=False).items():
for par, val in self.get_params().items():
typ = PARAM_TYPE[par]
if typ == 'color':
cmd.append('-' + par)
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