Legacy ImageMagick Discussions Archive

Can you please try opening the attached image in your PS version. It would be great if you could tell me whether it shows an alpha channel in it on your computer and PS version.
Thanks!

Hi, I have a tiff file in phososhop with 4 channels (RGBA), once it's converted all the channels are mixed and I can only see 3 channels (RGB and A is gone). I tried different options and even the one that is supposed to force alpha still doesn't work: ImageMagick-6.7.8-6\convert.exe test-alpha.tif ...

Thanks for replying again. I tried the "strip" option and nothing changed.

Have a look here: http://oi47.tinypic.com/2igyxkp.jpg
It does show in the header it's a 32 bit image but for some reason alpha channel is gone (i.e. can't use it for other purposes)

Ok, tried the latest version: ImageMagick-6.7.8-6\convert.exe test-alpha.tif -resize 128x128 alpha-128.tif And am getting: convert.exe: Incompatible type for "RichTIFFIPTC"; tag ignored. `TIFFFetchNormalTag' @ warning/tiff.c/TIFFWarnings/820. alpha-128.tif is still showing 3 channels only in ...

Hi, I have a tiff file in phososhop with 4 channels (RGBA), once it's converted all the channels are mixed and I can only see 3 channels (RGB and A is gone). I tried different options and even the one that is supposed to force alpha still doesn't work: imagemagick\6.6.7-Q16\convert.exe test-alpha ...