Questions about how to achieve transparency, or adjust the level of opacity, in any graphic manipulation software.

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16
votes
4answers
57k views

Add transparency to an existing PNG

I'd like to use this image on a web site. What I need to do is change the background from black to transparent, so I can use the arrow on my site maintaining the page background. I used Gimp to ...
0
votes
1answer
8k views

How to make part of image transparent including all layers

I have an image with many layers. I want to define part of it as transparent. Is there a mask layer which makes all the layers under it transparent or something similar?
4
votes
3answers
957 views

Can I extract shadows from a texture to make a transparent image (png)?

I have this image: And I would like to extract the dark parts (shadows) to make a transparency consisting of black pixels at different alpha channel values. Here is a crude example image of what I ...
1
vote
4answers
3k views

Can I apply more than 1 transparency to one object in CorelDRAW?

I have a background image with linear transparency applied on the top of my image. I would like to replicate the same transparency on the bottom of the image. How can I do this?
3
votes
2answers
733 views

Separating a stock photograph from background

I purchased some stock images for a website I'm building (I'm a programmer, with relatively no design experience at all). The issue at hand is, like most stock images, the images I purchased are on ...
11
votes
2answers
8k views

Why does my transparent PNG not look good?

I want to convert a JPG to transparent and using GIMP I added alpha layers and transparency same way I make a GIF transparent I converted it to PNG but it doesn't display well when I load it on my ...
49
votes
2answers
235k views

Making the background of an image transparent in Gimp

I have some jpg images and I need for each of them to have a transparent background. I have GIMP as a graphic tool. I need to put them in a web page and I need to see just the main element and have ...
1
vote
2answers
5k views

Spot Color Transparency and Screens in Illustrator

(Illustrator CS5) I have a design that will be printed on a line printer. Possible are up to 7 colors, or a 4-color process with 3 line colors. I'm currently sticking to PMS only (only 5 PMS colors ...
2
votes
2answers
2k views

How to make a transparent image a non transparent one?

I am a newbie to Photoshop and I have a PSD file that contains a transparent button. Now I want to duplicate that button and move it to somewhere else. When I moved it I realized that the button is ...
0
votes
1answer
5k views

How can I convert a JPEG to a transparent GIF image, replacing white with transparency?

So I have a JPEG with a white background and want to make it a transparent GIF without walk around job and without Photoshop also. So is there a way to create a transparent GIF image from usual JPEG ...
5
votes
5answers
17k views

Replace black background with a transparent background

How can I add transparent background on this image instead of black background, but I also would like to keep the partial transparency effect on some of the particles and particles borders. Could ...
3
votes
2answers
2k views

Photoshop - Extracting a transparent shadow from an image

I have a layer that contains a brushed metal texture. The layer has an inner shadow effect. I'd like to extract just that shadow with transparency, so I can later superpose the pure background ...
1
vote
2answers
377 views

Compositing transparent paths so topmost pixel wins

I'm having difficulty wording what it is I want to accomplish, but I'll try to explain. Let's start with the images below: (a) (b) Image (a) shows the image as I have it right now, ...
6
votes
2answers
14k views

How to make an animated gif with a transparent background without overlap?

When I try to make a gif with two frames both of which have a transparent background in GIMP, what happens is that the first frame looks OK, then the second frame appears on top of it, such that you ...
3
votes
3answers
3k views

Formula for finding out the result of a color after applying x% opacity to it?

I have 2 colors #a1a2a4 black (#000000) white (#ffffff) Now I need to know how much opacity (in a percent) must I apply to the second color (black) against a background of the third color (white) ...
15
votes
5answers
36k views

Copy & Pasting from Photoshop to Illustrator loses transparency

I often run into this issue. I'm creating a file in Photoshop with masked layers etc. I want to make the final output available for some mock-ups in Illustrator, so I rasterize the layers and marquee ...
13
votes
4answers
46k views

Photoshop CS5: Setting a black background to transparent

I have an image of smoke over a black background. If I set the blending mode of this layer to screen, the image's background is perfectly edited out, however if there isn't another layer below this, ...
13
votes
8answers
4k views

Transparency to unpremultiplied RGB + Alpha

I have a transparent layer in Photoshop CS5 (so internally, it's most probably stored as unpremultiplied RGB component plus an alpha component per pixel). Now I want to transform this to an opaque ...
9
votes
4answers
12k views

How does one turn a white background transparent in Photoshop but keep transparency?

In this image, I want to keep the drop shadow, but not the white background.