GIMP :: How To Create A Black And White (grayscale) Top Down Gradient Of Half A Cone
Apr 26, 2012
Alright, with out pictures, let me try to explain what I'm trying to do I'm trying to create a black and white (grayscale) top-down gradient of half a cone.
I select a circle, and using the cone gradient, start from the middle and go outward to the edges. Great so far, I have a top-down cone, but what I really need is only half of that, as if I was creating a top-down volcano with the top half sliced off and a flat rounded middle.
This is becoming a bump-map so the RGB value must match perfectly the highest point of the gradient with the sliced off part.
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May 3, 2013
I want to create some brushes but I am unsure of how to create a brush that is grayscale (black) vs a brush that goes on color... I've downloaded both brushes that are grayscale and brushes that are full color...
first off how do I create a grayscale brush such as
[URL]....
when my image is a color image
if Gimp saves brushes in grayscale by default then how do I create a full color brush like in
[URL]....
I see no option to set the brush type and I have NEVER created a brush before so how do I be sure that I make a grayscale bush when I want to and a full color brush when I want to??
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Mar 27, 2013
What I'm trying to do is curve a white to black gradient along a windscreen wiper smear for a rail engine cab window I need to texture. I'm building the cab for an engine in RailWorks and to get the wiper to clear raindrops from the screen in time with the wiper motion the texture needs a gradient applied to it from the wiper rest position to full up position.
In the picture the actual wiper smear is all black. What I need to do is have it all white from the vertical part of the smear or the wiper rest position, to all black at the maximum part of its stroke. This means the gradient will be a lot shallower on the outer edge of the arc and a lot steeper at the inner edge of the arc.
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May 6, 2008
I have a sketched out map of a parking lot that I want to convert to a true black and white.
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Sep 30, 2011
I had an advertisement that I created in Graphic Designer 6 that is going to run in a paper as black and white. Does Xara GD6 have the ability to export as a B&W or a grayscale image? Or will I need to manually alter all of the colors of the ad and then export it?
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Jul 23, 2012
how to make a circle split in half with the top half black and the bottom white. I've made a circle with a 37 pt black stroke, now I just need to make half of it white.
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Jul 19, 2013
I have a multilayered psd file. All layers should remain opaque except the black to white gradient layer where I need the white to be transparent. So that when I place the final psd on top of a block of solid colour in Indesign the gradient shows the background colour through where the black fades off.
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Jul 11, 2013
I need to produce a text logo with the first half of the canvas background black with white text, and the second half white with black text. Do I split the background or join two individual canvases together ............ or something else?
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Sep 23, 2012
I would like to draw parts in 3d view which look very basic, i.e. out of a book.
Example:
white block with black lines so you can see it is 3d.background should also be white.
How do i set autocad (2012/2013) to do this. I would like the model space to be the same and not just for printing.
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Jul 31, 2011
My image is in grayscale though it's recognised as RGB. It contains structures in white which I would like to fill with a colour. So basically, I'd like for all the white in the image to show up as e.g. red.
How do I do that? I'm guessing it must be possible to have a red layer and somehow this will then fill the white, but I'm getting confused with background and foreground filling options and I don't know which transparency options I have to choose.
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Mar 30, 2012
transparency bug.jpg.....transparency is not applying properly for the inverse white to black gradient, check the attachment.
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Sep 18, 2011
I would like to apply a gradient inside closed path with black at the outside transitioning to white at the center. I
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May 5, 2013
Im trying to get rid of the black and white lines in this picture .
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May 1, 2013
how do i get rid of black and white lines in this pic
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Mar 25, 2013
I have a simple JPG file that is a black and white logo, which I want to change the colour properties of in Gimp. But the colour range isn't true black and white, so using all sort of different methods such as magic wand selection, colour to alpha etc results in either really messy looking images or a lot of faffing around to correct the final image.
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Jan 4, 2012
What I am trying to do is change a photo of a bright red abd dark black car to a white car.
In all cases what I seem to be running into is the fact that the programs use the existing colour as the start point and allow only so much variation from that colour (ie about 180 +/- in each primary colour) which does not get me to where |I need to be.
I also tried creating a new layer and filling it with the desired colour then changing the layer from normal to hue. The result ends up being a mix of the original colour and the new colour so for instance if I want a yellow over a blue original colour I end up with some variation of green.
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May 20, 2013
i am trying to just colour her lips in
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Jun 17, 2012
i am planning to spend some weeks in France - and there i want to take many many pictues.
The question - shoulkd i switch off the color chanel before i take the fotographs or afterwards. I can swith it off at the Nikon Camera - sure thing
Black and White - when to switch off the color chanel
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Jan 1, 2013
I need to create an outline map for another application. The world is demarcated into areas, separated by black lines. The map must only have black & white pixels.
Some questions about using GIMP for this.
1. Is there a tool I can use to make every non-white pixel black?
2. Is there a tool I can use to eliminate isolated pixels of the wrong color (that is for me a black pixel with all neighbors white or vice versa)?
3. Is there a tool I can use to make the black lines thinner? It is desirable in my application to have the lines be only 1 pixel wide
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Aug 3, 2012
I'm still working on old family photos (it's a long-term project). This one is from my parents' wedding album, and it's an original black-and-white photo from 1952:
Maybe it's me, but I just don't like all those different gray tones, and I would love to get my mother's gown whiter (which it still is, BTW). I have tried a few things to even things out:
- Brightness/Contrast
- Threshold, Levels, Curves (I have to admit, I don't know what I'm doing with these; it's sort of hit-or-miss)
- Auto adjustments
- Fuzzy select to try to get the darker pieces more like the lighter ones, but the adjustments I just listed aren't doing what I want and are hard to see anyway; I thought the Bucket tool might work but I don't know how to use the gray area I want as a fill color.
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Mar 10, 2011
where to find or how to create-copy exactly the same gradient from additional?
How to applicate this gradient into the capitals without any distortion(any change of capitols high and wide etc.).
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Sep 13, 2013
at least as far as anything beyond re-sizing and basic stuff goes.
I want to create a shaded area that goes from light to dark (a gradient?), so as to create the effect of a book page (sort of), as in the images on this page: [URL]
I have done something similar in Paint Shop Pro, a long time ago, but the details escape me.
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Feb 7, 2012
There are many methods to make a black and white mask if you want to show through hair or other fine detail. Is there a classic method in GIMP?
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Jul 28, 2011
how to change a colour or black and white photo to sepia
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Sep 8, 2011
I sell a template that has a transparent layer in sections, after saving as jpeg it is supposed to go white, but for some of my customers it recently started going black!I at first thought it had to do with not pasting the layers correctly, but its like this after export, so I don't think that should matter...I've attached a sample image so you can see what is happening. Where it is black, it was originally transparent around the circle image, and normally would save white.
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Feb 16, 2013
How to change black and white hand-prints into color for some art work for my kids. I am already able to switch between black and white between the foreground and background, but not able to change all of the black "color" to a different color including all the minor lines on the hand and foot prints.
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Sep 6, 2012
I have done a little work and created these images. The blur does not look completely right to me because I just used the free select tool and would copy the coin part of the picture out and paste it back on with a different layer and line it up as well as I could. I would really like to make it look a lot better with no blurred part of the coin in the back ground. I would also like to turn the background of the image B&W and leave the coin in color.
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Mar 31, 2013
I just want to cut out/lasso an item in a pic and not have a black or white background..just the item itself..
I have *picked a photo
*click layer
*chose transparency
*added alpha channel*
*cut/lasso item out
*selected invert
*pressed delete on keyboard
*pressed select and none
I then get this picture which looks perfect right???
But when I copy and paste it or open file in paint or anywhere else it ends up like this? I want just the cut out and not the background too but no matter what I do the stupid thing comes with..
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Nov 25, 2011
I Want Create a Reveal Transition in the timeline with black & white paint splatter matte! i can this in ACTION MODULE but i want in timeline!
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Jan 31, 2013
I'm trying to make a texture for a model in a video game, and I want some of it to be transparent. This is done by editing a text file that tells the model to use the textures alpha channel. things in the alpha channel that are white are transparent and things that are black aren't.
But I don't really know how to edit the textures alpha. Here is a video I've seen that explains how to make one in photoshop: [URL]......
How to do exactly what he does in gimp? whenever i duplicate one of the rgb layers, it isn't black and white like it is in ps. i'm also not sure how to have it turn into the alpha.
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Sep 9, 2012
I am currently trying to combine a color photo frame with a black and white image, but every time I open the frame in "open as layers" the frame turns to black and white as well as the photo. I have no problem when using color photos. Is there a way that I can do this so that my photo frame remains it's original color with the black and white photo inside.
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