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Questions - hsv

How to convert HSV(HSB) to range 0...1

I get HSB as 29, 90, 100. How to convert it to the range 0...1? UIColor is initialized only in this range, so I have a question. let red: CGFloat = 1 let green: CGFloat = 0.5372 let blue: CGFloat = 0....
test-img

Ozarenie

swift

colors

rgb

hsv

hsb

Votes: 0

Answers: 1

Latest Answer

Looks like your hue range is 0...360 and your saturation and brightness are 0...100. You just need to convert your integer to double and divide by 360 or 100: let color2 = UIColor(hue: Double(hueOut)/...
test-img

Leo Dabus

How to preserve image transparency when converting to HSV in python?

So I'm attempting to convert my image from RGB to HSV so I can manipulate the hue of the image. I managed to figure out how to change the hue using numpy and pillow, but every time I use image.convert...
test-img

Alditrus

python

python-imaging-library

transparency

hsv

Votes: 0

Answers: 1

Latest Answer

Use alpha = im.getchannel('A') to grab the alpha channel. Then do your processing and afterwards restore the alpha channel: im.putalpha(alpha)
test-img

Mark Setchell

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