Strangely, this seems to be working better on my live system than on my old
test system with bad anemometer bearings. I'm not sure if it is related to
the differing y-axis scale. Test is 0-1 and the Live data is -10 to +10
knots on the y-axis. Anyway, this seems to work find with these settings
# Options for the compass rose, used for progressive vector plots
rose_label = N
rose_label_font_path = /Library/Fonts/Arial Bold.ttf
rose_label_font_size = 12
rose_label_font_color = 0xcc3333
rose_width = 42
rose_height = 42
rose_diameter = 20
rose_line_width = 4
On Wednesday, January 17, 2018 at 2:49:08 PM UTC-8, Jerry Keefe wrote:
>
> running weewx 3.8.0 on mac OS high sierra with Vantage Pro2
> As I increase the anti_alias setting from 1 to 3, the compass rose on the
> progressive vector wind plot gets ever smaller. Unreadable at anti_alias =
> 3. Increasing the font size does not help much. The N may get bigger, but
> the circle and arrow remain tiny. Compass rose size varies inversely with
> anti_aliasing value.
>
> Any ideas how I can increase the size of the compass rose in this plot?
>
> # Setting to 2 or more might give a sharper image with fewer jagged
> edges.
> anti_alias = 1
>
> top_label_font_path = /Library/Fonts/Arial Bold.ttf
> # top_label_font_path =
> /usr/share/fonts/truetype/freefont/FreeMonoBold.ttf
> top_label_font_size = 10
>
> unit_label_font_path = /Library/Fonts/Arial Bold.ttf
> unit_label_font_size = 10
> unit_label_font_color = 0x000000
>
> bottom_label_font_path = /Library/Fonts/Arial Bold.ttf
> bottom_label_font_size = 12
> bottom_label_font_color = 0x000000
> bottom_label_offset = 3
>
> axis_label_font_path = /Library/Fonts/Arial Bold.ttf
> axis_label_font_size = 10
> axis_label_font_color = 0x000000
>
> # Options for the compass rose, used for progressive vector plots
> rose_label = N
> rose_label_font_path = /Library/Fonts/Arial Bold.ttf
> rose_label_font_size = 10
> rose_label_font_color = 0x000000
>
> # Default colors for the plot lines. These can be overridden for
> # individual lines using option 'color'
> chart_line_colors = 0xb48242, 0x4242b4, 0x42b442
>
> # Type of line. Only 'solid' or 'none' is offered now
> line_type = 'solid'
>
>
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