Difference between revisions of "Weather Cam Image Handling"

From meteobridge
Jump to: navigation, search
(Original image (720 x 540))
Line 11: Line 11:
  
  
===adding weather data as overlay text===
+
===add weather data as overlay text===
 
[[FIle:pic3.jpg]]
 
[[FIle:pic3.jpg]]
  
Line 25: Line 25:
  
  
===changing brightness and contrast===
+
===change brightness and contrast===
 
[[FIle:pic5.jpg]]
 
[[FIle:pic5.jpg]]
  
Line 37: Line 37:
 
Overlay text:
 
Overlay text:
 
<pre>-flop -crop 720x490+0+50</pre>
 
<pre>-flop -crop 720x490+0+50</pre>
 +
 +
 +
===large annotation===
 +
[[FIle:pic7.jpg]]
 +
 +
Overlay text:
 +
<pre>-fill orange -font Candice -pointsize 48 -annotate +10+100 "Temp: [th0temp-act=F.1:--]°F" -crop 720x490+0+50</pre>

Revision as of 23:58, 13 October 2013

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.

original image (720 x 540)

Pic1.jpg

cut off header, new size (720x490)

Pic2.jpg

Overlay text:

-crop 720x490+0+50


add weather data as overlay text

Pic3.jpg

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)

Pic4.jpg

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

Pic5.jpg

Overlay text:

-sigmoidal-contrast 4% -crop 720x490+0+50


change left and right

Pic6.jpg

Overlay text:

-flop -crop 720x490+0+50


large annotation

Pic7.jpg

Overlay text:

-fill orange -font Candice -pointsize 48 -annotate +10+100 "Temp: [th0temp-act=F.1:--]°F" -crop 720x490+0+50