point light source वाक्य
उदाहरण वाक्य
मोबाइल
- As hard-point light sources, however, LEDs have several significant limitations in edge-lit digital displays.
- The Inverse-Square Law describes the predictable way a point light source radiates and changes in intensity with distance.
- :: : The other problem with CFLs is that they do not generate a point light source, which makes it difficult to focus them.
- The leaf includes a security feature that, when viewed close to the eye with a single-point light source behind, produces a circular image displaying the note's denomination.
- For a point light source, the view should be a perspective projection as wide as its desired angle of effect ( it will be a sort of square spotlight ).
- The second shader is a so-called " fragment shader " and implements the Blinn Phong shading model in order to determine the diffuse and specular light from a point light source.
- However, if designing illumination from many point light sources, like light bulbs, of known approximate omnidirectionally-uniform intensities, the contributions to illuminance from incoherent light being additive, it is mathematically estimated as follows.
- The "'candela "'( or; symbol : "'cd "') is the SI base unit of luminous intensity; that is, luminous power per unit solid angle emitted by a point light source in a particular direction.
- The orange peel meter uses a laser point light source to illuminate the specimen at a 60?angle and uses a detector to measure the reflected light intensity at the equal but opposite angle.
- Photographic light sources are not point light sources so the law does not strictly apply but it explains why distance of artificial sources affects the character of lighting and lighting strategies in ways not seen in nature.
- :: : Using my def of a point light source as one where all the light hits a single rod or cone in the eye, the nearest planets don't qualify . talk ) 17 : 09, 6 August 2008 ( UTC)
- The principle of operation is purely one of geometric optics : A point light source produces a glint on a curved specular ( shiny ) surface; this glint appears to travel on the surface as the eye or light source moves.
- Advanced features like database paging, texture paging and point light source management ( for flight simulation ) and intersection testing for collision detection would also have dedicated processors allowing asynchronous I / O and processing to occur without negatively impacting graphics performance.
- The researchers, writing in the journal Nature, estimate that the ophthalmosaurs could probably have detected point light sources ( like those from photoluminescent prey ) in deep water, and suggest that the creatures dived to depths of close to 2, 000 feet.
- A biased rendering method is not necessarily wrong, and it can still converge to the correct answer if the estimator is caustics generated from a point light source, as it is highly unlikely to randomly generate the path that directly reflects into the point.
- It is frequently used in real-time computer graphics and ray tracing, where the mirror-like specular reflection of light from other surfaces is often ignored ( due to the more intensive computations required to calculate it ), and the specular reflection of light directly from point light sources is modelled as specular highlights.
- For the purpose of measuring illumination, the candela is not a practical unit, as it only applies to idealized point light sources, each approximated by a source small compared to the distance from which its luminous radiation is measured, also assuming that it is done so in the absence of other light sources.
- It continued in use in more specialized applications where a high intensity point light source was needed, such as searchlights and movie projectors until after World War II . The carbon arc lamp is now obsolete for all of these purposes and is only still made for very specialized purposes where a high intensity UV source is needed.
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