Photoshop :: Changing Somthing's Color Pixel By Pixel
May 12, 2007
It blows my mind that somthing this simple isnt all that simple. I used the eyedropper tool to slect a color from another photo, then used the brush while fully magnified to change the color of each pixel.
It was coming out a weird greyish color, and I noticed that if I clicked more than once, it got darker, but so did the pixels directly around the one i was editing. So, i copied both pictures, loaded them into paint, and went to town.
It worked, but then when i copied it back into photoshop, it had a black background (there was no background in the original pictures) around the sprite I was editing. I tried to use the magic wand tool to get rid of it, but it took parts of the sprite with it, so...
Is there any way that I can edit the color of a single pixel (or hell, even a group of pixels if they share the same exact color would be nice...preferred, even) accurately? If not, what program could I use that would keep the transparent background?
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Feb 19, 2012
Via VBA macro, some way of getting RGB/CMYK color values of a bitmap pixel by pixel?
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Apr 11, 2013
When I crop a picture Pixel Demensions become 6 bytes Width and Height 1 pixel each. I can no longer see the picture. How can I fix this?
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Apr 22, 2013
I have two art objects on two layers. I want to match to the pixel the two objects that otherwise could be exactly the same but one layered object was imported slightly smaller.
The scale tool has good scale handling, I just want to measure the tool spots to the pixel to gain an exact scale size factor and match sizes.
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Mar 13, 2011
I managed to remove the background, of an image,(A whit background) and put the image on top of a transparent layer. made a transparent image. When I place this image over a light color background, it looks fine, but when I place it over a dark color background, the edge of the image looks very rough and dirty, I think it's because some of the anti alias from the original image, how can I make it a clean image without going to delete pixel by pixel?
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Jul 26, 2012
We are developing an application using functionality of Gimp´s channel mixer with java.
Our problem is that we don’t Know how channel mix works exactly for transforming pixel by pixel in Java.
For example,
We have an image an do on it the next mix:
Output Channel = Red
Red=200.0
Green=0.0
Blue=0.0
For simulate that, we transform all pixels with Red Component *2 and 255 (maximum) if is greater.
Our problem is:
Output Channel = Red
Red=200.0
Green=60.0
Blue=0.0
How can I simulate that?
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Dec 6, 2012
I'm using Photoshop CS5 and as you can see on the picture below, when I set my grid line to every 1 px, grid doesn't match canvas pixel size.
Now I'm not able to draw sharp shapes using pen tool because even if I hold shift key everything gets blurry.
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Mar 4, 2013
I can not use my HP scanner. It looks like the image size is wrong and should be reduced to less than 49999 pixels high x 4999 pixels wide. Where could I change the image size in X4. Using Windows 7 Pro.
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May 18, 2012
So we've been sent a DWG file for a large site, that includes a massive aerial (TIF) image.
At this point it's too large to even work with so I'd like to scale it down (proportionally, so it will still maintain the same aspect ratio).
For simplicity sake, lets say the image is 15,000 x 15,000 and I want to scale it down to 5,000 x 5,000.
The problem is that AutoCAD seems to use that pixel size to determine the actual scale, so when I updated the new (smaller) image, it was also 3x smaller in the world.
How do I scale down the image independently of the size so it will still maintain the same scale in the CAD world? (I'm a 3D guy so this is akin to scaling down a texture, yet having the plane its projected on maintain its original scale.)
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Jul 10, 2012
I ma on a PC with Windows7 using CS5.5 Extended. I am working on a piece where sometimes I have to deal with just one pixel at a time. If I am making a pixel black I select either a square or round brush, hardness 100, Opacity 100 and Flow 100. I have tried Normal Mode and several other modes but no matter what I always seem to get some bleed(shading) into other pixels and it takes a few clicks to get a solid color.
How do I get the color I want with one click in the pixel without bleed?
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Jul 28, 2004
I have a gif file and would like to change just the pixels that are of one RGB to another RGB. How can I do this?
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Nov 13, 2012
I'm attempting to tilt this image for use in a game im writing. I've been using Map Object and rotation (Y) but this then causes pixel color changes on the boundary with the background color. How would I tilt this picture without getting the problem?
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Sep 22, 2013
I'm using a Canon 40D, Photoshop 6 and a Mac Mini running OSX 10.8.4.
I'm loading a RAW image from my Camera into Photoshop in 16 bit mode. As I understand it, my Canon 40D has a 12-bit A/D and RAW images have a 12 bit depth out of the camera. Loading them in 8-bit depth would lose some dynamic range/resolution, so I choose to load them in 16 bit mode.
Once the RAW image is in Photoshop in 16 bits, I scroll over parts of the image with the color picker to see the pixel values. This is where I lose understanding of what's going on. The color picker shows pure white values as 32768 and pure black values as zero. Apparently Photoshop (or Camera Raw) is shifting the 12-bit camera data up to fill the top 16 bits in Photoshop. But this is not entirely true! If it truly shifted all 12 camera bits into the 12 MSBs of the 16 bit Photoshop value, wouldn't the max white value be 65535?? If the 12 bits were shifted into the 15th bit, wouldn't the max value be 32767?? Where does 32768 come from? Also, what is Photoshop putting into the LSBs after it does the shifting?
I'm trying to do some averaging of lots of low light exposures using Linear Dodge in 16 bit mode. If photoshop indeed shifts the 12-bit camera values to the MSB of the 16 bit word, I'll eventually run into clipping when I sum my images. I'd have to go to 32-bit mode and that really slows down my system, almost to the point of uselessness.
What's going on in 16-bit mode?
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Sep 9, 2013
At the 3200% zoom level, with small movements of the cursor, I get different color readings within the boundaries of a single pixel.
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Aug 8, 2012
When I drag around vector points of paths they are not constrained to the pixel grid, when the option "Snap Vector Tools and Transform to Pixel Grid" is off. This is the behavior I expect.BUT: When I drag whole paths, they snap to the pixel grid, no matter what. I even have snapping completely disabled.
This is particularly annoying when eg. creating a path for a zipper. I first make a path for the inside of the jacket or whatever, then I make one notch for the zipper and copy it over and over again for all the notches. It's very troubling when these elements snap to the pixel grid, because it's very unprecise then.
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Apr 2, 2013
I making a bling picture on a web site. Im seeing my pic on paint in pixel mode. What i want to do is see all like colors so i can pic them to put in my web bling. That way i dont have to pic one color at a time to transfer. Does this make sense?
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Aug 28, 2007
i currently have a logo that is 460X440 pixels and 12.17cmsX11.69cms and the resolution is 96 pixels per inch.
i am wanting to change it into a 2cm X 2cm avatar that is less than 6K in size,
how do i do this? everything i try makes the output file about 24k in size.
the reason i am doing this is the forum i regularly post on has a max avatar size of 6k.
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Apr 2, 2013
I'm trying to create a soccer field. I searched on google images for examples to learn from and I found this one really good one. The grass looks great and is just what I'm trying to do. [URL] .....
I loaded it into to gimp to have a closer look, and all the artist has done really has used lots of different greens, usually a different color on each pixel. How do you think this person went about creating the grass? Do you they colored each pixel individually then saw what they had done and adjusted it until they got it right. Which would probably take a really long time. Or do you think there is a quicker way?
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Aug 16, 2011
Would it be possible to have an option that allow color picking to pick document's pixel's color, rather than current layer's color with its opacity ?
I really never want to pick a color from a single layer. I always want to pick the color I see, and without its opacity, the one that result from the blend of all layer on the document's pixel on which I pick the color.
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Oct 11, 2011
I am currently searching the tools that I use in Adobe PS/AI in other products. I have recently downloaded GIMP as a possible substitution for Adobe PS/AI. But I have been searching the default (no plugin) tool box for anything that can do the Magic Wand Tools job. I just have not found it.
Magic Wand - select a pixel/color on the screen. Magic wand will then select all colors that correlate to your selection. I use the magic wand to kill backgrounds out of photos.
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Oct 12, 2012
Feature that would pick the right color on the 1st mouse click when working with images that have many colors and shades etc...Today we need to move the mouse over the pixel and click it to select the color under it and make it active, only then we get the RGB/HSV/Alpha info about it.and if its not the correct pixel info we need to select again. etc...
to make the color selection faster and more accurate on the first click and also enable us to select directly only the pixel with RGB info we want.
It would be great to have online/active display of the Color and RGB/HSV/ALPHA information on the pixel under the color picker , in the toolbar like in the picture i have added.this would make color selection easy and with less clicks on the mouse.just move the mouse over the image, look at the color and select the color you need.the data can be placed anywhere, I just placed it there since its connected to the tool.
This would be great to have on other tools, like the (Magical) Fill Bucket so we can select the color we want to fill with other color etc...or the Magic Wand selection tool to select the color with the RGB info we want.
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Apr 4, 2006
My first post on the forum, after being a guest for some time now!
Anyhow...Is there anyway I can get a plug-in, that turns my normal images into Pixel art?
Surely there is a plug-in for CS2, where I can change an image, into a pixellised version.
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Sep 13, 2004
way to create professional, clean, sharp icons. I do know that I should use vector programs like illustrator or CoralDraw, but is there a secret to pixel icon art that is hidden or the best way to approach it (program, size, sketch)?
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Feb 14, 2003
i was wondring if i could make image like this in photoshop.
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Jan 4, 2009
how to convert pixels to cm2? for example, let's say that i have an area of 100 pixels. the square root of the pixels is 10 and the resolution is 10 pixels/cm. thus the area in cm would be 1 cm squared, correct? unfortunately, this does not compute correctly in photoshop. as in the number that i get never corresponds to the actual dimensions measured in the image.
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May 23, 2013
I have identified a major problem using CS6.
When nudging folders (filled with layers) around in Photoshop. Holding the shift key at the same time as pressing an arrow usaully nugdes content 10 pixels. However, pressing the arrow key in quick succession, for example 4 times, it will only nudge content 39 pixels or 41 pixels. Pressing the arrow key, say 10 times, quickly would result in only a 95 pixel movement.
Opening the same (80mb) file in CS5 and performing the same test, nudges a ... perfect 10 everytime..
I am a ux visual designer working on major household clients and my PSDs need to be pixel perfect before passing to development. Anything out of place would be highlighted and ultimately would make me look like a novice.
The files are not big. They are for the web. I use CS6 (v 13.0.4) and a 2.7 Ghz Intel Core i7 Macbook Retina with 16GB RAM and SSD. Currently the fastest Macbook you can buy!
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Jul 1, 2012
I would like to know if it is possible to move a shape (or what have ya) less than a full pixel left, right, up or down?
I've tried holding the Alt key and other things. Also, I've been unable to pinpoint the right keyword while searching the user manual and the FAQ's.
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Sep 26, 2012
In Classroom in a book for CS5 this is clearly explained and community fora make mention of pixel mask, but none actually step you through it. I can not find it in the properties panel.
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Nov 12, 2008
How can I turn off this most irritating default that was not present in 7?
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Jan 13, 2005
Accepted File Types:
The Photo Center accepts JPG (.jpg) and TIFF (.tif) files under 6 megabytes (MB) each. You may add up to 200 MB at a time. (Quote)
This is what i can uploading for 8x10 prints from my PS "creations"
i have several photos with many layers and some are less,and i was able to increase or decrease the pixel in each photo,to match the allowable (under 6 MB)
tolerance.is there a way to calculate the ratio from pixel to MG to my Max.allowed?
(basically i want 5.99 MB)
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Jan 7, 2005
how to create this sort of effect? It looks like whoever made it started out by making a conventional design then filtered everything so that it looks 'smeared' and worn away but keeps it's 'pixel-ness'.
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