iTOL怎么为进化树外层添加圆环

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首先准备好进化树。

然后准备注释文件，其格式如下：

DATASET_COLORSTRIP#lines starting with a hash are comments and ignored during parsing#select the separator which is used to delimit the data below (TAB,SPACE or COMMA).This separator must be used throught this file (except in the SEPARATOR line, which uses space).#SEPARATOR TABSEPARATOR SPACE#SEPARATOR COMMA#label is used in the legend table (can be changed later)DATASET_LABEL color_strip2#dataset color (can be changed later)COLOR #ff0000#optional settings#all other optional settings can be set or changed later in the web interface (under 'Datasets' tab)#maximum widthSTRIP_WIDTH 25#left margin, used to increase/decrease the spacing to the next dataset. Can be negative, causing datasets to overlap.MARGIN 0#border width; if set above 0, a black border of specified width (in pixels) will be drawn around the color strip BORDER_WIDTH 1BORDER_COLOR #000#show internal values; if set, values associated to internal nodes will be displayed even if these nodes are not collapsed. It could cause overlapping in the dataset display.SHOW_INTERNAL 0#In colored strip charts, each ID is associated to a color. Color can be specified in hexadecimal, RGB or RGBA notation#Internal tree nodes can be specified using IDs directly, or using the 'last common ancestor' method described in iTOL help pages#Actual data follows after the "DATA" keywordDATA#ID1 value1#ID2 value2160232 #efff22 COL#efff2213773 #efff22 COL#efff2256636 #efff22 COL#efff22111955 #efff22 COL#efff222287 #efff22 COL#efff2250339 #efff22 COL#efff222303 #efff22 COL#efff222234 #efff22 COL#efff22

DATA之前的部分都是格式声明，照抄即可。之后就是添加圆环数据，数据分两列，第一列为原始标签，第二列是圆环对应颜色，之间以Ta空格分隔。准备好数据后就可以加到进化树中了。

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