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12 votes
3 answers
11k views

Creating a semi-transparent PNG with ImageMagick/convert

I have PNG files that I would like to convert the whole image to be semi-transparent. The image will be referenced in a KML file as an icon overlay for use in Google Earth/Maps. The following ...
user1502835's user avatar
2 votes
1 answer
2k views

ImageMagick, replace semi-transparent white with opaque white

I have an icon with a fully transparent background and a semi-transparent, white foreground. I would like to make the foreground fully opaque, can this be achieved with ImageMagick? I have tried ...
EvenLisle's user avatar
  • 4,772
1 vote
0 answers
496 views

Imagemagick: replace alpha pixel with color-shade pixel

In previous question I made false assumption that I need to remove pixels with alpha, but I actually need to use alpha percentage as shade of white. Because just removing alpha-pixel changes lines. ...
Paul Verest's user avatar
0 votes
1 answer
114 views

How can I binarize an SVG without grays into PNG

Well, I am converting an SVG with ImageMagick and the output always has grays because when I binarize the image always aren't black and white completely translated. Sorry, I explained worst ever... I'...
Puffy's user avatar
  • 401
0 votes
1 answer
195 views

ImageMagick Set Background Colour

I am attempting to use the following line of code to set the background colour of Image 1 to white. (I.e. The first image 'Image1.png' needs to be cleared and become a blank white image. I then ...
samb90's user avatar
  • 1,063