Bokeh – Styling Visual Attributes


Bokeh – Styling Visual Attributes



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The default appearance of a Bokeh plot can be customised by setting various properties to desired value. These properties are mainly of three types −

Line properties

Following table lists various properties related to line glyph.









1 line_color color is used to stroke lines with
2 line_width This is used in units of pixels as line stroke width
3 line_alpha Between 0 (transparent) and 1 (opaque) this acts as a floating point
4 line_join how to join together the path segments. Defined values are:
”miter” (miter_join), ”round” (round_join), ”bevel” (bevel_join)
5 line_cap how to terminate the path segments. Defined values are:
”butt” (butt_cap), ”round” (round_cap), ”square” (square_cap)
6 line_dash BThis is used for a line style. Defined values are:
”solid”, ”dashed”, ”dotted”, ”dotdash”, ”dashdot”
7 line_dash_offset The distance into the line_dash in pixels that the pattern should start from

Fill properties

Various fill properties are listed below −




1 fill_color This is used to fill paths with
2 fill_alpha Between 0 (transparent) and 1 (opaque), this acts as a floating point

Text properties

There are many text related properties as listed in the following table −









1 text_font font name, e.g., ”times”, ”helvetica”
2 text_font_size font size in px, em, or pt, e.g., ”12pt”, ”1.5em”
3 text_font_style font style to use
”normal” ”italic” ”bold”
4 text_color This is used to render text with
5 text_alpha Between 0 (transparent) and 1 (opaque), this is a floating point
6 text_align horizontal anchor point for text – ”left”, ”right”, ”center”
7 text_baseline vertical anchor point for text
”top”, ”middle”, ”bottom”, ”alphabetic”, ”hanging”

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