Using Noise to Prevent Gradient Banding…

B
Posted By
Balwiles
Nov 28, 2004
Views
572
Replies
2
Status
Closed
Hi,

I’m using a gradient to fade a picture into a background and was concerned about banding when put on the press. I think adding noise is the best way to prevent this but I’m not sure how to do that based on the steps I’ve taken which is as follows:

1) On the picture layer > goto layer mask > reveal all
2) Frontground and background colors to white and black
3) Fade picture into transparent background
4) Drag picture onto separate color layer to create fade.

Through this process, I haven’t seen a point where I could add noise so I’m assuming there is a better way to go about this.

Thanks in advance,

Scott

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CC
Chris Cox
Nov 28, 2004
Unless one of the images is a solid color or a VERY smooth gradient itself – this shouldn’t show any banding.

Gradients show banding in color (due to the limited dot sizes available on press or a low-end printer), not in transparency (as you have used it).

Chris

In article , Scott W.
wrote:

Hi,

I’m using a gradient to fade a picture into a background and was concerned about banding when put on the press. I think adding noise is the best way to prevent this but I’m not sure how to do that based on the steps I’ve taken which is as follows:

1) On the picture layer > goto layer mask > reveal all
2) Frontground and background colors to white and black
3) Fade picture into transparent background
4) Drag picture onto separate color layer to create fade.
Through this process, I haven’t seen a point where I could add noise so I’m assuming there is a better way to go about this.

Thanks in advance,

Scott
T
tacitr
Nov 29, 2004
1) On the picture layer > goto layer mask > reveal all
2) Frontground and background colors to white and black
3) Fade picture into transparent background
4) Drag picture onto separate color layer to create fade.

When you say "fade picture into transparent background," what do you mean? can you describe step by step what tools or commands you are using to "fade the picture"?

Here is how I do this:

1. Layer Mask->Reveal All
2. Foreground and background colors to white and black.
3. Click on the layer mask in the Layers palette.
4. Use the Gradient tool to draw a gradient from white to black in the mask. This causes the picture to fade to transparent.
5. Add noise to the layer mask.


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