I'm designing a window poster for shop, I'm working on this in illustrator and I'm trying to achieve this clean red to black gradient or feathered effect shown here,
A few things are confusing me, why does this banding effect or lined appearance show up on the image, also I can't seem to get the red and black to fade together very well like they have on the bargain booze picture, I think there's a few tricks to this I could do with knowing, they don't have the red to greyish gradient I have before the black part, although I do notice they have a little arrow covering that part of the transition between the black and red.
While I'm at this, I wanted to explain another problem I'm having, The file resolution is roughly 170cm Width x 180cm Height the client wants the photos quite big - but even with high quality stock photos these are sitting at 96 and 86 PPI, will this be good enough? Surely the only way to get 150-300 on a poster this size would to have stock photos that are at least 10,000 pixels high and a fair bit wide, can anyone advise me on what they would do in this scenario.
Please see my attached file
Its a CYMK project