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Another issue is the number of colors in the image. Even images that were created as black on white drawings may end up with many shades of gray. Some line-drawing routines employ anti-aliasing; a pixel completely covered by the line will be black, but a pixel that is only partially covered will be gray.
Note the precise edges of shapes and even width of lines that are typical of a drawing program. There are two main types of tools used for digital illustration: bitmapped (also known as "raster") and vector applications. Bitmap applications are commonly called "painting" programs, such as Adobe Photoshop, while vector applications, such as ...
This is the standard blend mode which uses the top layer alone, [3] without mixing its colors with the layer beneath it: [example needed] (,) =where a is the value of a color channel in the underlying layer, and b is that of the corresponding channel of the upper layer.
Archaeological Illustration encompasses a number of sub disciplines. These are: Surveying: To produce an accurate record of sites and buildings and to record accurately where the sites and buildings lie within the landscape.
A similar step forward depicts a dragon-like animal meant to represent the pterosaur Dimorphodon flying over a coastline by George Howman; this 1829 watercolor painting was a fanciful piece that, albeit being not particularly scientific, was another very early attempt at restoring a fossil animal in a suitable habitat. [50]
The animals depicted do not correspond to fossil finds in the region surrounding Ica; no dinosaur remains are known from the area and several groups shown (such as ceratopsians) are not known from South America at all. [2] [8] In some cases, the dinosaurs are depicted as being hunted [5] [7] or domesticated by humans. [5]
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.
An illustrator is an artist who specializes in enhancing writing or elucidating concepts by providing a visual representation that corresponds to the content of the associated text or idea. The illustration may be intended to clarify complicated concepts or objects that are difficult to describe textually, which is the reason illustrations are ...