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an image that is not rectangular can be filled to the required rectangle using transparent surroundings; the image can even have holes (e.g. be ring-shaped) in a run of text, a special symbol for which an image is used because it is not available in the character set, can be given a transparent background, resulting in a matching background.
It is valid whenever the radiation field is isotropic over distances comparable to or less than a radiation mean free path, such as in local thermal equilibrium. In practice, the mean opacity for Thomson electron scattering is: κ e s = 0.20 ( 1 + X ) c m 2 g − 1 {\displaystyle \kappa _{\rm {es}}=0.20(1+X)\,\mathrm {cm^{2}\,g^{-1}} } where X ...
In other words, a translucent material is made up of components with different indices of refraction. A transparent material is made up of components with a uniform index of refraction. [1] Transparent materials appear clear, with the overall appearance of one color, or any combination leading up to a brilliant spectrum of every color.
In graphics software, layers are the different levels at which one can place an object or image file. 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.
A photogram is a photographic image made without a camera by placing objects directly onto the surface of a light-sensitive material such as photographic paper and then exposing it to light. The usual result is a negative shadow image that shows variations in tone that depends upon the transparency of the objects used.
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Transparency (data compression), perceptually lossless Transparency (human–computer interaction), a change not affecting interface Transparency (telecommunication), transmitting signal unchanged
Thus, it becomes easy to find edges in the picture and trace the image onto the tracing paper. Pure cellulose fiber is translucent, and it is the air trapped between fibers that makes paper opaque and look white. [3] If the fibers are refined and beaten until all the air is taken out, then the resulting sheet will be translucent.