GIMP :: Change Transparency For Portion Of Image?

Jun 10, 2013

I have a large background image and I want to change (lower) the transparency of the header portion. I can select the portion with the rectangle, but after that I'm stuck. I tried changing opacity but it affected the entire image. I tried selecting Layer -> transparency -> add alpha channel, but that didn't do anything that I could see. How do I make the rectangle portion that I selected somewhat blurry?

Note: I did simply blur out the header portion of my image as one solution. But is it possible to add a layer over just the header part of the image and make that layer semi transparent?

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GIMP :: TIF Or PNG - Transparency Portion Turns Black

Jun 13, 2013

I have a graphic I am trying to create and whenever I save it as a .tif or .png, the transparency portion turns black...

I have seen several tutorials that talk about an Alpha channel...I have one!

What am I doing wrong?

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GIMP :: Overlay Portion Of Image With Faded Map With Non-transparent Part Of Second Image

Apr 4, 2012

I have a PNG image with only one layer as a start point. It has a faded map on it.

I have a second PNG image with a hex grid on it. I do colour to Alpha to establish transparency on the hex grid for white filled hexes (others are not filled with white).

Now, I wish to overlay a portion of the first image with the faded map with the non-transparent part of the second image.

So I select by colour (for the hexes not filled with white) on the second image (the overlay) and I then paste to the first image (after creating a transparency layer and selecting it to receive the overlay).

I see the desired overlay section (minus any transparent stuff as expected), however it is centered over the map in the first image, not where I want it to be. It is a floating selection and must be anchored. So I select the anchor icon in the layer dialog and I think I anchor it into the transparency layer on the first image (that's what I'm trying to do anyway).

And then my problem:

I want to move the thing I just pasted in to the right place with respect to the underlying faded map. I attempt to use the move tool, but all I move is the background map (pretty much the opposite of what I want).

Nothing I do seems to let me reselect the pasted-in overlay so that I can move it.

Why I can't ever reposition the pasted in overlay? It should be in the transparency layer I created but even if I select all, I don't seem to be able to move anything other than the background image.

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GIMP :: How To Select Portion Of Image Using Rectangle Tool

Nov 27, 2012

I'm brand new to GIMP, I just downloaded it to get into some simple pixel art.

I was going fine, but I've run into a problem. I'm trying to select a portion of my image using the rectangle tool, and then move it to a different location using the move tool. However, when clicking and dragging the move tool it shifts the entire image, not just the portion I have selected. I read in the FAQ that you need to press "Enter" to finalise the selection before you move it, but even doing that doesn't work.

This was working fine for me earlier, I'm not sure what I've done to break it. I've tried resetting my tool preferences back to defaults but that has not worked.

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GIMP :: How To Select Portion Of Image And Paste It To Another Layer

Mar 11, 2013

Im just trying to select a portion of an image and the paste it to another layer.

1. Select a portion and copy.
2. Create new layer.
3. Select the new layer.
4. Paste.

The only thing i get is a kind of new layer that says: "Floating selection"

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GIMP :: Plugin Or Steps To Select Visible Portion Of A Layer In Image

Mar 26, 2013

I need to get the visible portion of a particular layer in the final image.Lets say i have 4 layers and some portion of each layer is visible in the flattened image i would like to get the portion from each of the layers. The input will be in xcvf format.I will ideally want to automate this and output to file in some format looking like this,

Layer1 ---> Co-ordinates of visible polygon from this particular layer in the image .
Layer2 ---> And so on.

How to proceed with the script. I think brute force is to take each non-transparent pixel and and find the same pixel in all above layers if it is not found it will be added to the region.Or something exists like selection from alpha combined with multiple layers ?

Or if there is a way to find out for an image with all layers visible which pixel came from which layer ?

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GIMP :: Copy Histogram Data From Red Channel Of Non-corrupt Portion Of Image?

Apr 28, 2011

I have a nice image that has lost the red channel histogram data for about half of the image. It can still be viewed, and the preview is correct.

Can I copy the histogram data from the red channel of the non-corrupt portion of the image? I know it's the red channel because when I open the color data from the corrupted portion the red channel is literally non-existant.

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AutoCad :: Change Transparency On ECW Image?

Oct 30, 2012

it is possible to change the transparency on a ECW Image within cad? and if so... how?

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GIMP :: Image Loses Transparency

Nov 22, 2011

*) Open the image "Ok.png" - you'll see there's a small green triangle on the right.
*) Mark and delete a bit of the triangle.
*) Save the image (I checked the 3rd (gamma), the 5th (resolution) and the 6th (time) checkbox).

When I now open the saved image in a different viewer (I use the picasa viewer because this viewer shows the transparent areas nicely), the image is still transparent.

*) Delete the rest of the small green triangle on the right.
*) Save the image.

When you now open it in a different viewer, then suddenly the background isn't transparent anymore. (It's then like the 2nd attached pic - Fail.png)

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GIMP :: Are There Different Formats Of Transparency In PNG Image

Mar 5, 2011

Are there different formats of transparency in a PNG image?

I've made a PNG image with transparency that looks fine (I see gray checkerboard through the image) when I close it and reopen it in GIMP. But in the Windows 7 picture viewer, all of the transparency looks opaque white. It is also opaque white when I load it into my Android app for use in OpenGL.

I've made PNG images with Inkscape, and they do not have this problem. The transparency looks correct in the Windows picture viewer, and in my Android app.

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GIMP :: Transparency Coloured When Exporting Image?

Jul 11, 2011

You probably think "but come on, there are many places where this is explained...". And so it is, but it doesn't work anyways.

I have an image with transparent areas. I have an alpha channel. When I save the file, I do use the "Save colour values from transparent pixels" for png and for gif I check "Interlace" option.

I have done the rigth click -> colour to alpha. What happens when I do this is that some white parts become black.

Things I have noted, perhaps that doesn't matter , is that when checking the alpha channel in the layer tool, it is white and not transparent.

The image is attached.

One last thing, I did copy the image from ConeptDraw (visio-alike application on Mac) before trying to save it with transparency.

This is driving me nuts, I have struggled for hours. I have done it before (way back), but something is different now.

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GIMP :: Make Grayscale Image Into Alpha Transparency Channel

Oct 21, 2012

Is there any way I can directly make a grayscale image into an alpha transparency channel?

I mean, NOT involving selection? Because selection by color to layer mask,is really difficult what I need to do the selection threshold.

Why is it easy to turn an alpha channel into a grayscale image but not the reverse?

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GIMP :: Creating 32bit PNG Image With Alpha-channel Transparency

Dec 15, 2011

I already have an image file in png format..which I want to use as an application launcher icon for my android application.

The android specifies image with following properties for the launcher icon(Will need 4 different image to support different screen size in mobile devices)

Launcher icons should be 32-bit PNGs with an alpha channel for transparency. The finished launcher icon dimensions corresponding to a given generalized

Screen density are shown in the table below.
1. 36 * 36 px
2. 48 * 48 px
3. 72 * 72 px
4. 96 * 96 px

I would like to create 4 png files(with specifications mentioned above) from the already existing image file. How do I do that in GIMP.

I am completely novice to image editing(Never touched any image editing software before) and not sure how to achieve this in GIMP.

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GIMP :: Option To Move Just A Portion Of Layer

Dec 16, 2011

Is there an option to move just a portion of a layer (with the Move, Scale, or Rotate tools, for example) without having to first copy the portion, then delete it, and then paste it as a whole new layer?

For instance, if you have a picture of a house and there's a tree off to the side, and you want to shrink the tree a bit so the house looks bigger. Currently, I would ( a ) copy the tree, ( b ) delete that selection, and ( c ) paste the tree as a new layer....and then finally (d) shrink that.

But could I simply select the tree and shrink it on the same layer?

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GIMP :: Select Certain Portion Of Color To Be Removed

Sep 24, 2012

I already know about the Select-->By Color and then Edit-->Clear method of removing all of a certain color from an image. The thing I was wondering was what would be the best method in Gimp to select only certain portions of a certain color in an image and have them cleared out, not all of that color.

I attached an image to this post. In that image, I want to only remove the white background, not the white in the eyes of the white in the hands.

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Photoshop :: Blur A Portion Of An Image

Sep 17, 2008

Does anyone know how to blur a portion of an image in gradient-like fashion to give the impression of an unfocussed lens? Can you do it with a transparent layer mask?

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Photoshop :: Move A Portion Of An Image

Feb 5, 2005

I need to move a portion of a jpeg image (a logo) a little bit to one side, then I will fill in the empty space. Do I need to save it as a .psd first? And which tool do I use?
I was trying to use one tool, not sure which one, and it told me the layer was locked. I couldn't figure out how to unlock the layer.

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GIMP :: How To Change Image Name Before Saving

Nov 16, 2013

I am using a macbook pro. Every time i go to export an image I have resized, or modified, the name field does not let me use most of the keyboard. Some of the keys work but most dont in that field.

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GIMP :: How To Change Color Of Image

Jan 9, 2012

I discovered GIMP 2 days ago and I am pretty excited to get started with it. The only problem is that I am a total newbie. I would really like to change the color of this image from black to blue but how to do so and the tutorials that I have found online don't really apply to what I am trying to accomplish.

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GIMP :: Change Perspective Of Image?

Sep 28, 2012

I have a photo of a coffee table that's on an angle. I want to rotate this table so it looks like you're standing in front of it and seeing the front. The problem is the Rotate, Perspective, and Map Object tools don't seem to be able to do it. I also tried a plug-in called EZ Perspective, but that also doesn't seem to work.

At this point, I'm guessing you can't change the perspective of an image (up, down, left, right) because it's flat and not 3D, and no program knows what the other sides would look like. Is that correct, or can I do what I want and just don't know how, yet?

Here's a photo of the image:    

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GIMP :: How To Change Element From 1 Image

Feb 7, 2014

How to change an element from 1 image and switch it with another from the other image.

Also is it possible to change only a part of the element like the dots on the first left up border to put it on the not the black the other one? or change elements btw those 2 to mix and make a unique one?

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Photoshop :: Rotate Only Selected Portion Of Image

Oct 3, 2012

If I wish to rotate ONLY an image, no problem, but if I wish to rotate (custom) only a selected portion of an image, how do I do this?

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Paint.NET :: Resize Selected Portion Of Image?

Jan 19, 2012

How do I resize a selected portion of an image?

I would assume that the purpose of a 'selection' tool is to apply edits, effects, and changes to a selected portion of an image without effecting the entire image. But when I select part of my project and go up to the 'image' menu and try to resize just that part, it resizes the whole project. Is there any way I can select something and change its size?

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GIMP :: How To Change Image To Fit Specific Shape

Jul 15, 2013

How to change the shape of an image to fit a specific shape.

What I'm trying to do is reshape a geometrically patterned rectangular image so that the printed image fits around a truncated cone. I'm trying to use the image to create a stencil for glazing a straight sided pottery cup. I know the circumference of the rim and the circumference of the base of the truncated cone so I need to wind up with the borders of the image having a convex curve at the top with the arc length equal to the rim's circumference, a concave curve at the bottom with the arc length equal to the circumference of the base, and with the end points of both arcs connected with diagonal lines equal to the length of the sides of the cup. In addition, I'd like to preserve the image in it's entirety, but distort it as necessary to fit the borders without cutting any of it out. (I attached a sketch in case my pattern shape description was confusing).

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GIMP :: Change Canvas Colour For Image In 2.8

Jun 28, 2012

I am desperately trying to change the Canvas Colour for an image in Gimp 2.8.

At the moment in displays in black and grey squares and when I save the image as a jpg it's black.

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GIMP :: How To Change Image Background (2011)

Sep 3, 2011

I have upgraded from centos 5.6 to centos 6.0 to have all of thefeatures of GIMP. How can I change my imagebackground by using GIMP ?

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GIMP :: Change What Colors Make Up Image?

May 8, 2011

Any way to change what colors make up an image. I have a palette of 400+ colors that I'd like the image to be composed of but I can't find a way to convert it to only use those colors. Changing the mode to indexed mode doesn't work since you can only index 256 max colors.

Is there any plug-ins or tools I am missing that can do this? (Basically it will change every pixel in the image to the closest matching pixel from a large [400+ color] palette.

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GIMP :: How To Change Image Foreground / Background

Aug 28, 2011

How can I change my image foreground / background on GIMP?

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Photoshop :: When Opening Image Without Tab View - Open With Only A Portion?

Sep 19, 2013

I having an issue with CC.When electing in the preferences to not open image in Tabs. The images open with only about 25% of the image area showing. Forcing me to (command) 0 for full to screen preview or (command) +/- to see the image.I am not talking about seeing the image at 100% resolution just the entire image within the floating window without having to command before view.
  
Sidenote: Adobe Customer Service is all based in India. I spent 4 hours on the phone only to hear that this is that way photoshop works. There would be no logical explanation for this. Since the first version of Photoshop this has not been the case.I think this should be called view porn with wife in the room mode. Other than that I see no point.

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Photoshop :: Cropping Occurs To A Small Portion Of The Image?

Sep 9, 2004

Whenever I try to use the Crop Tool, it only stretches out to a small portion of the image and refuses to stretch down any farther.

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Photoshop Elements :: Sharpen Small Portion Of Image?

Nov 26, 2012

I am trying to sharpen a small portion of an image and folling the instructions given in the help files, I cannot locate the "Sharpen Tool" in the tool menu. How I can find this asset in Elements 10?

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