Re: [Gimp-developer] B&W digital, compose w/weighted color channels?

2001-12-18 Thread Sven Neumann
Hi, [EMAIL PROTECTED] writes: > Recently there's been a lot of excitement in the digital camera world > among former B&W film afficianodos who are simulating the use of colored > filters by manipulating color channels prior to converting a digital > image to greyscale. > > Photoshop has a featu

Re: [Gimp-developer] B&W digital, compose w/weighted color channels?

2001-12-17 Thread Lourens Veen
On Monday 17 December 2001 20:47, Lourens Veen wrote: > I just realised that you could just add a layer with colour (0, 255, 255) and put it in front of your image, then set its layer mode to multiply. Much easier. Brightness might be a problem though, make sure your highest percentage is alw

Re: [Gimp-developer] B&W digital, compose w/weighted color channels?

2001-12-17 Thread Lourens Veen
On Monday 17 December 2001 20:18, [EMAIL PROTECTED] wrote: > > Is there some combination of existing functions that would let > you re-compose an image as: > > 0% red, 50% green, 50% blue (i.e., a red-blocking filter) > > Is there some way to use blending of layers and opacity to do > this?

[Gimp-developer] B&W digital, compose w/weighted color channels?

2001-12-17 Thread larry
Recently there's been a lot of excitement in the digital camera world among former B&W film afficianodos who are simulating the use of colored filters by manipulating color channels prior to converting a digital image to greyscale. Photoshop has a feature that lets you weight color channels when