Weather Cam Image Handling
This page is intended to give some examples what Meteobridges weather image conversion with the Linux tool convert can offer. I selected this freely available image from Univerity of Arizona as an example to do some comversions with.
Contents
original image (720 x 540)
cut off header, new size (720x490)
Overlay text:
-crop 720x490+0+50
add weather data as overlay text
Overlay text:
-fill black -draw "fill-opacity 0.7 rectangle 0 520 720 540" -pointsize 12 -fill orange -draw "text 5 535 '[YYYY]-[MM]-[DD] [hh]:[mm]'" -fill white -draw "text 110 535 'Temp: [th0temp-act=F.1:--] °F Humidity: [th0hum-act.0:--] % Pressure: [thb0seapress-act=inhg.2:--] inHg Wind Chill: [wind0chill-act=F.1:--]°F Wind: [wind0avgwind-act=mph.1:--] mph Rain: [rain0total-sumday=in.2:--] in'" -crop 720x490+0+50
resize image to 640 x 480 (ignore aspect ratio)
-size 150x170 gradient:white-lightblue -bordercolor black -border 1 -fill white -pointsize 9 -draw "text 5 165 'powered by MeteoBridge'" -fill black -pointsize 10 -draw "text 30 15 '[YYYY]-[MM]-[DD] [hh]:[mm]'" -pointsize 11 -draw "text 5 30 'Temp'" -draw "text 80 30 '[th0temp-act=F.1:--] °F'" -draw "text 5 45 'Wind:'" -draw "text 80 45 '[wind0avgwind-act=mhp.1:--] mph'" -draw "text 5 60 'Gust:'" -draw "text 80 60 '[wind0wind-max5=mph.1:--] mph'" -draw "text 5 75 'Humidity:'" -draw "text 80 75 '[th0hum-act.0:--] %'" -draw "text 5 90 'Pressure:'" -draw "text 80 90 '[thb0seapress-act=inhg.2:--] inHg'" -draw "text 5 105 'Rain/1h:'" -draw "text 80 105 '[rain0total-sum60=in.2:--] in'" -draw "text 5 120 'Rain today:'" -draw "text 80 120 '[rain0total-sumday=in.2:--] in'" -draw "text 5 135 'Solar:'" -draw "text 80 135 '[sol0rad-act.0:--] W/qm'" -draw "text 5 150 'UV:'" -draw "text 80 150 '[uv0index-act.1:--] uvi'"
Overlay text:
-fill black -draw "fill-opacity 0.7 rectangle 0 520 720 540" -pointsize 12 -fill orange -draw "text 5 535 '[YYYY]-[MM]-[DD] [hh]:[mm]'" -fill white -draw "text 110 535 'Temp: [th0temp-act=F.1:--] °F Humidity: [th0hum-act.0:--] % Pressure: [thb0seapress-act=inhg.2:--] inHg Wind Chill: [wind0chill-act=F.1:--]°F Wind: [wind0avgwind-act=mph.1:--] mph Rain: [rain0total-sumday=in.2:--] in'" -crop 720x490+0+50 -resize 640x480!
change brightness and contrast
Overlay text:
-sigmoidal-contrast 4% -crop 720x490+0+50
change left and right
Overlay text:
-flop -crop 720x490+0+50
large annotation
Overlay text:
-fill orange -font Candice -pointsize 48 -annotate +10+100 "Temp: [th0temp-act=F.1:--]°F" -crop 720x490+0+50