The right thing to do now is Select → By Colour. However, one can also use the eyedropper tool to pick a colour from anywhere on the desktop. Here, I used f3f3e9 as a background colour for plain colour filling. (In this respect, Adobe Photoshop is no different.) Hence, choose a colour which is compatible with the background on which the resulting picture will eventually be used.Ĭlick on the background colour rectangle in the upper half of the Tool Options toolbox window to change the background colour. ![]() Some colour mixing will be inevitable and even desired. Do select BG colour fill and Sample merged and run a few tries while adjusting Threshold for best results. Within the Bucket Fill toolbox options, select Fill transparent areas only when necessary. The next step is optional and consist in filling the area that should become transparent with a plain colour. This is done by selecting Layer → Tranparency → Add Alpha Channel. If this is the case, add an alpha transparency channel. ![]() ![]() Some image types lack a transparency channel JPG for example. Thanks Tom….what you say makes sense but somehow it doesn't appear to work that way on my laptop, will stick to my work around until I can figure this one out.Note: This tutorial is also available in PDF. I used this hundreds of times on layer masks? Tom.keil well, honestly I can not understand, colour to colour replaces and colour to transparent allows multiple application. So, everytime I want to do multiple gradients ( doesn't matter radial, linear etc) on an image, I have to add layer mask for each time.Īnd tom.keil, it happens for any gradient mode I select…white to transparent, white to foreground/background, all the same :( I then want to expose another petal or leaf, and when I try to do the gradient again, the first gradient disappears and is replaced by my recent gradient! Layer 2- Add layer mask, use radial gradient to expose petals in Layer 1. Layer 2- Paste new image ( like texture ) over - multiply THanks for the replies guys but I see my explanation was really poor, that probably explained why I can't even google it! grain merge is the same except with add.Įasy way is to use a gradient from white to TRANSPARENT on the mask, with that you can paint as many gradients as you wish on your mask. that is, 0 refers to middle gray instead of black, and black is -128. it's the same as subtract except it works with signed chars. Grain extract gets the normalized difference between two layers. What exactly does "Grain Merge" and "Grain Extract" mean? I understand the rest, but those two have always confused me. You may do by lighten only, darken only, overlay multiply,average (average=Normal mode at 50% opacity) grain merge. You should try the different tool Mode (the first option in the tool dialog )īut the right mode depend on what you wish, "combine" cumlative gradient is a very generic concept, combine how ? ![]() You can try using the overlay mode of the gradient tool when you paint the gradient. Is there somewhere in the Gimps preferences/settings where I can achieve this?Īppreciate any help I can get. I also find interestingly, sometimes when the opacity isn't 100% it allows me to do so but it's not consistent which is really puzzling. My work around at the moment, is after adding, I have to add layer mask, then create another layer mask for next addition….this is really time consuming. When I use gradient on Gimp on layer mask, I'd like to be able to add my gradients one after another on the same layer mask.Įxample - Layer mask, I add radial gradient - fine, then I try to add another gradient, it replaces the first one! This is my first topic since I joined and have a silly question that I can't seem to find on the net and in the discussions here…probably too silly or I'm using the wrong key words.
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