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+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see
The Alignment Annotations File
-Alignment annotations can be imported onto an alignment since -version 2.08 of Jalview, via an annotations file. It is a simple ASCII -text file consisting of tab delimited records similar to the Sequence Features File, and introduced -primarily for use with the Jalview applet.
-Alignment annotations files are imported into Jalview in the
-following ways:
-
++ The Alignment Annotations File +
++ Alignment annotations can be imported onto an alignment since + version 2.08 of Jalview, via an annotations file. It is a simple + ASCII text file consisting of tab delimited records similar to the Sequence Features File, and + introduced primarily for use with the Jalview applet. +
+ ++ Importing annotation files
Alignment + annotations files are imported into Jalview in the following ways:
+
-annotations <Annotations filename>
Annotations File Format
-The File consists of lines containing an instruction followed by
-tab delimited fields, and any lines starting with "#" are
-ignored. The first non-commented out line of a valid Annotations file
-must begin with :JALVIEW_ANNOTATION
A row of annotation is added with a line like GRAPH_TYPE Label Values
The GRAPH_TYPE field, which appears first, defines the -appearance of the annotation row when rendered by Jalview. The next field is the row label for the annotation. The final Values field contains a series of "|" -separated value fields. Each value field is itself a comma separated list of fields of a particular type defined by the annotation row's -GRAPH_TYPE. The allowed values of GRAPH_TYPE and the format of their respective value fields (with the trailing "|" symbol) are shown below:
Color strings can be embedded in a value field by enclosing an RGB triplet in square brackets to colour that position in an annotation row. -
-You can associate an annotation with a sequence by preceding its -definition with the line: -
SEQUENCE_REF seq_name [startIndex]-All Annotations defined after a SEQUENCE_REF command will then be -associated with that sequence, and the first field in the Value field -list will (optionally) be placed at the startIndex'th column. -
Sequence associations are turned off for subsequent annotation -definitions by: -
SEQUENCE_REF ALIGNMENT- -
Since version 2.5, Jalview allows annotation rows to be associated with a group defined on the alignment, by preceding the annotation row with the line: -
GROUP_REF group_name-Group association is turned off for subsequent annotation rows by -
GROUP_REF ALIGNMENT-Annotations may be associated with both a sequence and a group, however - group annotations are still experimental and unexpected behaviour may be observed when editing alignments containing both group and sequence associated annotation rows. -
LINE_GRAPH type annotations can be given a colour -(specified as 24 bit RGB triplet in hexadecimal or comma separated -values), combined onto the same vertical axis, and have ordinate lines -(horizontal lines at a particular vertical axis value) using the -following commands (respectively): -
COLOUR graph_name colour +
+ Exporting annotation files
An annotation
+ file can be created for any alignment view from the "Export
+ Annotations ..." entry in the File menu of an
+ alignment window.
+
+ THE ANNOTATION FILE FORMAT
An annotation
+ file consists of lines containing an instruction followed by tab
+ delimited fields. Any lines starting with "#" are
+ considered comments, and ignored. The sections below describe the
+ structure of an annotation file.
+
+ At the end of this document, you can also find notes on compatibility of annotation files + across different versions of Jalview. An example + annotation file is also provided along with instructions on how to + import it to Jalview. +
+
+ Header line
The
+ first non-commented out line of a valid Annotations file must begin
+ with :JALVIEW_ANNOTATION
+
+ LINE_GRAPH,
+ BAR_GRAPH and NO_GRAPH
Labels, secondary structure,
+ histograms and line graphs are added with a line like
+ GRAPH_TYPE Label Description (optional) Values
+
+
+ Here, the GRAPH_TYPE field in the first column defines the + appearance of the annotation row when rendered by Jalview. The next + field is the row label for the annotation. This may be + followed by a description for the row, which is shown in a + tooltip when the user mouses over the annotation row's label. Since + Jalview 2.7, the description field may also contain HTML tags (in + the same way as a sequence + feature's label), providing the text is enclosed in an + <html/> tag. +
+ The final Values field contains a series of "|" + separated value fields. Each value field is itself a comma separated + list of fields of a particular type defined by the annotation row's + GRAPH_TYPE. The allowed values of GRAPH_TYPE and + corresponding interpretation of each Value are shown below: + + + +
Color strings can be embedded in a value field by enclosing an + RGB triplet in square brackets to colour that position in an + annotation row.
+
+ COMBINE, COLOUR and GRAPHLINE
+ for line graphs
LINE_GRAPH type annotations can be
+ given a colour (specified as 24 bit RGB triplet in hexadecimal or
+ comma separated values), combined onto the same vertical axis, and
+ have ordinate lines (horizontal lines at a particular vertical axis
+ value) using the following commands (respectively):
+
COLOUR graph_name colour COMBINE graph_1_name graph_2_name GRAPHLINE graph_name value label colour --
The visual display properties for a set of annotation rows can be modified using the following tab-delimited line:
-ROWPROPERTIES Row label centrelabs=true( or false) showalllabs=true(default is false) scaletofit=true (default is false)-
This sets the visual display properties according to the given values for all the annotation rows with labels matching Row label. The properties mostly affect the display of multi-character column labels, and are as follows: -
Groups of sequences can be defined using the tab delimited line
-SEQUENCE_GROUP Group_Name Group_Start Group_End Sequences-
The sequences can be defined by alignment index and a range of sequences can - be defined in a comma delimited field such as
-2-5,8-15,20,22
-Enter * to select all groups.
-If the alignment indices are not known, enter -1 then a tab delimited list - of sequence ids.
-If the SEQUENCE_REF has been defined, the group_start and group_end will be - relative to the sequence residue numbering, otherwise the group_start and group_end - will be the alignment column indices.
-The group can (optionally) be assigned various visualisation properties via - another tab delimited line thus:
-PROPERTIES Group_name tab_delimited_key_value_pairs + ++ +
+ ROWPROPERTIES
The
+ visual display properties for a set of annotation rows can be
+ modified using the following tab-delimited line:
+
ROWPROPERTIES Row label centrelabs=true( or false) showalllabs=true(default is false) scaletofit=true (default is false) ++
+ This sets the visual display properties according to the given + values for all the annotation rows with labels matching Row + label. The properties mostly affect the display of multi-character + column labels, and are as follows: +
+ SEQUENCE_GROUP
+ Groups of sequences and column ranges can be defined using a tab
+ delimited statement like:
+
SEQUENCE_GROUP Group_Name Group_Start Group_End Sequences ++
The sequences can be defined by alignment index and a range of + sequences can be defined in a comma delimited field such as
+2-5,8-15,20,22
+Enter * to select all groups.
++ Note: If the alignment indices are not known, enter + -1, followed by a tab and then a tab delimited list of sequence IDs. +
++ If a SEQUENCE_REF has + been defined, then group_start and group_end will + be relative to the sequence residue numbering, otherwise the group_start + and group_end will be alignment column indices. +
+
+ PROPERTIES
This
+ statement allows various visualisation properties to be assigned to
+ a named group. This takes a series of tab-delimited key=value
+ pairs:
+
PROPERTIES Group_name tab_delimited_key_value_pairs-
The key_value_pairs allow you to define a description and to colour the group - in various ways. All, none or some of the following values could be used for - a group:
-description=Text
- colour=Helix Propensity
- pidThreshold=0
- consThreshold=0
- outlineColour=red
- displayBoxes=true
- displayText=false
- colourText=false
- textCol1=black
- textCol2=black
- textColThreshold=0
- idColour=ff3322
-
- showunconserved=false
-
An example Annotation file is given below: -
#Comment lines follow the hash symbol +The currently supported set of sequence group key-value pairs + that can be provided here are :
+
Key | +Value | +
description | +Text - may include simple HTML tags | +
colour | +A string resolving to a valid Jalview colourscheme + (e.g. Helix Propensity) | +
pidThreshold | +A number from 0-100 specifying the Percent Identity + Threshold for colouring columns in the group or alignment | +
consThreshold | +A number from 0-100 specifying the degree of bleaching + applied for conservation colouring | +
outlineColour | +Line colour used for outlining the group (default is + red) | +
displayBoxes | +Boolean (default true) controlling display of shaded + box for each alignment position | +
displayText | +Boolean (default true) controlling display of text for + each alignment position | +
colourText | +Boolean (default false) specifying whether text should + be shaded by applied colourscheme | +
textCol1 | +Colour for text when shown on a light background | +
textCol2 | +Colour for text when shown on a dark background | +
textColThreshold | +Number from 0-100 specifying switching threshold + between light and dark background | +
idColour | +Colour for highlighting the Sequence ID labels for this
+ group If idColour is given but colour + is not, then idColor will also be used for the group + background colour. + |
+
showunconserved | +Boolean (default false) indicating whether residues + should only be shown that are different from current reference + or consensus sequence | +
hide | +Boolean (default false) indicating whether the rows in
+ this group should be marked as hidden. Note: + if the group is sequence associated (specified by + SEQUENCE_REF), then all members will be hidden and marked as + represented by the reference sequence. + |
+
+ Specifying colours in PROPERTIES key-value pairs
+ The colour property can take either a colour scheme
+ name, or a single colour specification (either a colour name like
+ 'red' or an RGB triplet like 'ff0066'). If a single colour is
+ specified, then the group will be coloured with that colour.
+
+ SEQUENCE_REF and GROUP_REF
+ By default, annotation is associated with the alignment as a whole.
+ However, it is also possible to have an annotation row associated
+ with a specific sequence, or a sequence group. Clicking the
+ annotation label for sequence or group associated annotation will
+ highlight the associated rows in the alignment, and double clicking
+ will select those rows, allowing further analysis. While group
+ associated annotation remains associated with a particular
+ alignment, sequence associated annotation can move with a sequence -
+ so copying a sequence to another alignment will also copy its
+ associated annotation.
+
You can associate an annotation with a sequence by preceding + its definition with the line: +
SEQUENCE_REF seq_name [startIndex] ++ All Annotations defined after a SEQUENCE_REF command will then be + associated with that sequence, and the first field in the Value field + list will (optionally) be placed at the + startIndex'th column. + + +
Sequence associations are turned off for subsequent annotation + definitions by: +
SEQUENCE_REF ALIGNMENT+ +
Similarly, since Jalview 2.5, group associated annotation can + be defined by preceding the row definitions with the line: +
GROUP_REF group_name ++ Group association is turned off for subsequent annotation rows by: +
GROUP_REF ALIGNMENT ++ +
+ VIEW_SETREF,
+ VIEW_HIDECOL and HIDE_INSERTIONS
Since Jalview 2.9, the
+ Annotations file has also supported the definition of reference
+ sequences and hidden regions for an alignment view.
+
+ VIEW_SETREF
Marks the first sequence in the
+ alignment, or alternately, the one specified by the most recent SEQUENCE_REF
+ statement, as the reference
+ sequence for the alignment.
+
+ HIDE_INSERTIONS
This command hides all gapped
+ positions in the current target sequence. Any columns already hidden
+ will be re-displayed.
The current target sequence is
+ either the one specified by the most recent SEQUENCE_REF
+ statement, the alignment's reference sequence, or the first sequence
+ in the alignment.
+
+ VIEW_HIDECOLS
Modifies the visibility of columns in
+ the view. The statement is followed by a single argument consisting
+ of a comma separated series of single integers or integer pairs
+ (like 3-4). These define columns (starting from the
+ left-hand column 0) that should be marked as hidden in the alignment
+ view.
+
+ COMPATIBILITY NOTES
+ The interpretation of the COMBINE statement in Version
+ 2.8.1 was refined so that only annotation line graphs with the
+ given names ands the same SEQUENCE_REF and GROUP_REF
+ scope are grouped.
+
+ EXAMPLES
An example
+ Annotation file is given below. Copy and paste the contents into a
+ text file and load it onto the Jalview example protein alignment.
+
#Comment lines follow the hash symbol JALVIEW_ANNOTATION SEQUENCE_REF FER1_MESCR 5 -BAR_GRAPH Bar Graph 1 ||-100,-|-200,-|-300,-|-400,-|200,+|300,+|150,+ +BAR_GRAPH Bar Graph 1 <html>an <em>html tooltip</em> for Bar graph 1.</html> ||-100,-|-200,-|-300,-|-400,-|200,+|300,+|150,+ LINE_GRAPH Green Values 1.1|2.2|1.3|3.4|0.7|1.4|3.3|2.2|2.1|-1.1|3.2 LINE_GRAPH Red Values 2.1|3.2|1.3|-1.4|5.5|1.4|1.3|4.2|-1.1|1.1|3.2 -BAR_GRAPH Bar Graph 2 1,.|2,*|3,:|4,.|5,*|4,:|3,.|2|1|1|2|3|4|5|4 +BAR_GRAPH Bar Graph 2 1,.|2,*|3,:|4,.|5,*|4,:|3,.|2|1|1|2|3|4|5|4 NO_GRAPH Icons ||||E,Sheet1|E|E||||H,Sheet 2|H|H|H|||||| NO_GRAPH Purple Letters m|y|p|r|o|t|e|i|n COLOUR Bar Graph 2 blue @@ -166,13 +416,13 @@ COLOUR Purple Letters 151,52,228 COMBINE Green Values Red Values GRAPHLINE Red Values 2.6 threshold black -SEQUENCE_GROUP Group_A 30 50 * -SEQUENCE_GROUP Group_B 1 351 2-5 -SEQUENCE_GROUP Group_C 12 14 -1 seq1 seq2 seq3 -PROPERTIES Group_A description=This is the description colour=Helix Propensity pidThreshold=0 outlineColour=red displayBoxes=true displayText=false colourText=false textCol1=black textCol2=black textColThreshold=0 -PROPERTIES Group_B outlineColour=red -PROPERTIES Group_C colour=Clustal +SEQUENCE_GROUP Group_A 30 50 * +SEQUENCE_GROUP Group_B 1 351 2-5 +SEQUENCE_GROUP Group_C 12 14 -1 seq1 seq2 seq3 +PROPERTIES Group_A description=This is the description colour=Helix Propensity pidThreshold=0 outlineColour=red displayBoxes=true displayText=false colourText=false textCol1=black textCol2=black textColThreshold=0 +PROPERTIES Group_B outlineColour=red +PROPERTIES Group_C colour=Clustal- +