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Free-Form Select (with synonyms) is a technique in printmaking, graphic design and image processing. The effect is to erase background colors or elements from a motif to create stand-alone objects. Today, this is done with graphics software (computer graphics) and computers rather than by cutting away parts with scissors or scalpels.
Cropping is the removal of unwanted outer areas from a photographic or illustrated image. The process usually consists of the removal of some of the peripheral areas of an image to remove extraneous visual data from the picture, improve its framing, change the aspect ratio, or accentuate or isolate the subject matter from its background.
The lasso (or "free form selection") is an editing tool available, with minor variations, in most digital image editing software [1] and some specific strategy games.It is often accessed from the standard main menu (in Photoshop, [2] Paint Tool SAI, [3] and GIMP, [4] as common examples), by clicking the icon of a dotted line shaped like a rope lasso, from which the common name arises.
Acorn combines vector drawing with bitmap editing, [6] and has been described as an alternative to Photoshop. [7] Key features of Acorn include image filters, a custom color picker, a brush designer, and image editing tools such as crop, erase, paint, select, pan, zoom, move, clone, smudge, dodge, and burn. [8]
Digital editors are used to crop images. Cropping creates a new image by selecting a desired rectangular portion from the image being cropped. The unwanted part of the image is discarded. Image cropping does not reduce the resolution of the area cropped. Best results are obtained when the original image has a high resolution.
It includes a simple brush-based freehand drawing tool, an eraser tool, a select tool, a freehand spray can tool which applies several pixels onto an area instead of just one, a fill tool, a "bomb" tool that clears the page, a line tool, a curve tool, square, circle/oval, and rounded square tools, text tool, a color picker/eyedropper, and a zoom in/zoom out tool.
Photoshop has an option putting guidelines for the golden triangle in the crop tool (in this case, it is simply called "triangle"). [3] These guidelines can be flipped horizontally, by hitting shift-O or selecting "Cycle Overlay Orientation" from the overlay pull down menu.
Two images stitched together. The photo on the right is distorted slightly so that it matches up with the one on the left. Image stitching or photo stitching is the process of combining multiple photographic images with overlapping fields of view to produce a segmented panorama or high-resolution image.