Search found 2 matches
- 2014-09-18T07:21:11-07:00
- Forum: Users
- Topic: Mixed Opacity
- Replies: 2
- Views: 1174
Re: Mixed Opacity
absolutely perfect - thankyou very much
- 2014-09-18T06:09:48-07:00
- Forum: Users
- Topic: Mixed Opacity
- Replies: 2
- Views: 1174
Mixed Opacity
Hi,
Complete newbie here struggling ...
I have an image which is 100% opaque.
I would like to convert black to 0% alpha ie fully transparent and all other colours to 50%
This is as far as I managed:
convert 41.png -channel Alpha -evaluate set 50% -transparent black 41c.png
but this creates 0 ...
Complete newbie here struggling ...
I have an image which is 100% opaque.
I would like to convert black to 0% alpha ie fully transparent and all other colours to 50%
This is as far as I managed:
convert 41.png -channel Alpha -evaluate set 50% -transparent black 41c.png
but this creates 0 ...