![]() ![]() Sticking to the analogy of the glass panels, it is similar to cutting out a picture of the butterfly image and pasting it onto a glass panel and placing that glass panel on top of the red flower panel. The rest of the layer was made transparent (alpha channel). When the Butterfly image was pasted as a New Layer, the only part of that layer that was solid was the area the contained the actual pixels that made up the butterfly. ![]() jpg copy of the file is saved into the folder you choose but the. jpg version of the file you simply Export a copy of the file to the. Once the layered file is completed and you wish to have a. jpg format do not support layer technology. xcf format is that it preserves all the layers and effects added to layers so that the file can be reworked and refined over and over. This is the only format that a file can be saved in once layers have been added. xcf format (In GIMP 2.8 all image files are automatically saved in the. ![]() Any image files with layers are always saved with the GIMP. jpg file and added layers to the file, it can not directly be saved as a. Once a file contain layers it can not be saved back into its original file format. So an image file that has lots of layers can be many Megabytes bigger that its original file size. XCF File FormatĮvery layer added to an image file increases the file's byte size. Instead of having an image montage made up of just one butterfly image, there is now a montage made up of a field of butterflies. It needs something to make it more interesting.ģ) The Selection tools are used to isolate the butterfly image pixels.Ĥ) The selection is copied ( EDIT -> COPY or CTRL+C)ĥ) The selection is pasted as a Layer into the red flower image ( EDIT-> PASTE AS-> NEW LAYER).Ħ) The butterfly layer is moved around to position the butterfly more to the centre of the flower.īecause the butterfly layer is independent, it can be repositioned (moved), resized, reversed (flipped) and duplicated without affecting the flower layer. A simple image montage is shown below:ġ) The red flower image looks a little boring. In this each image layer can be scaled, moved, enhanced, re coloured, etc., without effecting the images on the other layers. When creating an image montage you could copy and paste images from different files into your file but keep them on separate layers. Layers are very important if want to create an image montage (an image montage is a bunch of different image from different files that are combined into one image) or make up an image composition. Generally, making an enhancement or change directly to one layer does not effect the other layers until you start using special effects options such as Layer Modes. So if you decided later you didn't like those changes you made you would just delete that layer and make another copy of the original image layer and make changes on that new copied layer. In that way you can make all kinds of change to one of the image layers without effecting the other. The actual image file will then contain two copies of that image, each on its own layer. One way to make changes to an image but not make the change permanent is to make a copy of that image on its own layer. For example if you made an enhancement to an image in GIMP yesterday and then opened it up today and realized you shouldn't have made that change, there's not much you can do about it as the change is permanent. One of the problems when working with image editing programs is that everything is pixel based and when you make changes or enhancements to an image that change tends to be permanent. Adjusting Brightness or Contrast with Layer Modes.What that means is that if there are transparent areas in the layer you see all the way through the layers from top to bottom just like looking down a stack of glass panels. The layers stack up over each other just like a stack of transparent glass panels. In other words every layer acts an independent transparent glass panel. When you are first learning about layers, the easiest way to think of them is to see each layer as a transparent glass panel. Layers are a very important component in doing almost anything in GIMP or an other image editing program. ![]()
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