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  2. Blend modes - Wikipedia

    en.wikipedia.org/wiki/Blend_modes

    The Linear Dodge blend mode simply sums the values in the two layers (also known as additive blending). Blending with white gives white. Blending with black does not change the image. When the top layer contains a homogeneous color, this effect is equivalent to changing the output black point to this color, and (input) white point to the ...

  3. Layers (digital image editing) - Wikipedia

    en.wikipedia.org/wiki/Layers_(digital_image_editing)

    In the program, layers can be stacked, merged, or defined when creating a digital image. Layers can be partially obscured allowing portions of images within a layer to be hidden or shown in a translucent manner within another image. Layers can also be used to combine two or more images into a single digital image. For the purpose of editing ...

  4. Alpha compositing - Wikipedia

    en.wikipedia.org/wiki/Alpha_compositing

    In computer graphics, alpha compositing or alpha blending is the process of combining one image with a background to create the appearance of partial or full transparency. [1] It is often useful to render picture elements (pixels) in separate passes or layers and then combine the resulting 2D images into a single, final image called the composite.

  5. Photomontage - Wikipedia

    en.wikipedia.org/wiki/Photomontage

    Photomontage of kiwifruit and lemons, digitally manipulated using GIMP. Photomontage is the process and the result of making a composite photograph by cutting, gluing, rearranging and overlapping two or more photographs into a new image. [1]

  6. GIMP - Wikipedia

    en.wikipedia.org/wiki/GIMP

    An image being edited in GIMP can consist of many layers in a stack. The user manual suggests that "A good way to visualize a GIMP image is as a stack of transparencies," where in GIMP terminology, each level (analogous to a transparency) is called a layer. [71] Each layer in an image is made up of several channels.

  7. Multiple exposure - Wikipedia

    en.wikipedia.org/wiki/Multiple_exposure

    A multi-exposure composite image of the October 2004 lunar eclipse taken from Hayward, California. In photography and cinematography, a multiple exposure is the superimposition of two or more exposures to create a single image, and double exposure has a corresponding meaning in respect of two images.

  8. 2D computer graphics - Wikipedia

    en.wikipedia.org/wiki/2D_computer_graphics

    In a layer-based model, the target image is produced by "painting" or "pasting" each layer, in order of decreasing depth, on the virtual canvas. Conceptually, each layer is first rendered on its own, yielding a digital image with the desired resolution which is then painted over the canvas, pixel by pixel. Fully transparent parts of a layer ...

  9. XCF (file format) - Wikipedia

    en.wikipedia.org/wiki/XCF_(file_format)

    XCF, short for eXperimental Computing Facility, [1] is the native image format of the GIMP image-editing program. It saves all of the data the program handles related to the image, including, among others, each layer, the current selection, channels, transparency, paths and guides.