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1.4.2 Line styles
The line style is defined by the string which may contain specifications for color (‘wkrgbcymhRGBCYMHWlenupqLENUPQ’), dashing style (‘-|;:ji’ or space), width (‘0123456789’) and marks (‘o+xsd.^v’ and ‘#’ modifier). If one of the type of information is omitted then default values used with the previous color or one from palette (for see section 1D plotting) are adopted. By default palette contain following colors: dark gray ‘H’, blue ‘b’, green ‘g’, red ‘r’, cyan ‘c’, magenta ‘m’, yellow ‘y’, gray ‘h’, green-blue ‘l’, sky-blue ‘n’, orange ‘q’, green-yellow ‘e’, blue-violet ‘u’, purple ‘p’.
The color types are: ‘k’ -- black, ‘r’ -- red, ‘R’ -- dark red, ‘g’ -- green, ‘G’ -- dark green, ‘b’ -- blue, ‘B’ -- dark blue, ‘c’ -- cyan, ‘C’ -- dark cyan, ‘m’ -- magenta, ‘M’ -- dark magenta, ‘y’ -- yellow, ‘Y’ -- dark yellow (gold), ‘h’ -- gray, ‘H’ -- dark gray, ‘w’ -- white, ‘W’ -- bright gray, ‘l’ -- green-blue, ‘L’ -- dark green-blue, ‘e’ -- green-yellow, ‘E’ -- dark green-yellow, ‘n’ -- sky-blue, ‘N’ -- dark sky-blue, ‘u’ -- blue-violet, ‘U’ -- dark blue-violet, ‘p’ -- purple, ‘P’ -- dark purple, ‘q’ -- orange, ‘Q’ -- dark orange (brown).
Dashing style has the following meaning: space -- no line (usable for plotting only marks), ‘-’ -- solid line (■■■■■■■■■■■■■■■■), ‘|’ -- long dashed line (■■■■■■■■□□□□□□□□), ‘;’ -- dashed line (■■■■□□□□■■■■□□□□), ‘=’ -- small dashed line (■■□□■■□□■■□□■■□□), ‘:’ -- dotted line (■□□□■□□□■□□□■□□□), ‘j’ -- dash-dotted line (■■■■■■■□□□□■□□□□), ‘i’ -- small dash-dotted line (■■■□□■□□■■■□□■□□).Marker types are: ‘o’ – circle, ‘+’ – cross, ‘x’ – skew cross, ‘s’ - square, ‘d’ - rhomb (or diamond), ‘.’ – dot (point), ‘^’ – triangle up, ‘v’ – triangle down, ‘<’ – triangle left, ‘>’ – triangle right, ‘#*’ – Y sign, ‘#+’ – squared cross, ‘#x’ – squared skew cross, ‘#.’ – circled dot. If string contain symbol ‘#’ then the solid versions of markers are used.
Styles of lines and marks.
One may specify to draw a special symbol (an arrow) at the beginning and at the end of line. This is done if the specification string contains one of the following symbols: ‘A’ – outer arrow, ‘V’ – inner arrow, ‘I’ – transverse hatches, ‘K’ – arrow with hatches, ‘T’ – triangle, ‘S’ – square, ‘D’ – rhombus, ‘O’ – circle, ‘_’ – nothing (the default). The following rule applies: the first symbol specifies the arrow at the end of line, the second specifies the arrow at the beginning of the line. For example, ‘r-A’ defines a red solid line with usual arrow at the end, ‘b|AI’ defines a blue dash line with an arrow at the end and with hatches at the beginning, ‘_O’ defines a line with the current style and with a circle at the beginning. These styles are applicable during the graphics plotting as well (for example, 1D plotting).
Arrow styles.
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