Visibility can be significantly reduced by becoming greasy, trapping vapour when eating hot food, swimming, walking in rain or rapid temperature changes ( such as walking into a warm building from cold temperatures outside ).

Visibility can vary from nearly unlimited to low, or non-existent, and can go from one extreme to the other in a single dive.

Visibility near apogee can exceed twelve hours of dwell at apogee with a much shorter and faster-moving perigee phase.

Visibility can be limited by changing conditions.

Visibility in tule fog is usually less than an eighth of a mile ( about 600 feet or 200 meters ), but can be as little as a foot ( about 30 cm.

) Visibility can vary rapidly ; in only a few feet visibility can go from 10 feet to near zero.

Visibility can extend eastward to the Shenandoah National Park in Virginia.

* Visibility – Since there can be a large number of leaves in a map, it could be quite costly for the hardware to redraw the entirety of them many times a second, because areas not seen would be drawn only to be overdrawn later.

Visibility continued to be limited, and Greg was never able to get above a thousand feet.

Visibility may be poor, because of sediments or algae in the water and lack of light penetration.

Visibility may be reduced to 50 metres for days at a time.

The DRX Army Soldiers were defending CHOI with pacific acts and with a huge " Visibility Operation ", which caused the whole area of Quebec and its surroundings to be marked with " DRX Army " and " Liberté!

Aircraft and vehicles are not allowed in this area when Low Visibility Procedures are in force, since aircraft will be making autolands and therefore the accuracy of the guidance signals provided by the ILS is absolutely critical.

Visibility graphs may be used to find Euclidean shortest paths among a set of polygonal obstacles in the plane: the shortest path between two obstacles follows straight line segments except at the vertices of the obstacles, where it may turn, so the Euclidean shortest path is the shortest path in a visibility graph that has as its nodes the start and destination points and the vertices of the obstacles.

Visibility graphs may also be used to calculate the placement of radio antennas, or as a tool used within architecture and urban planning through visibility graph analysis.

Visibility graphs of simple polygons must be Hamiltonian graphs: the boundary of the polygon forms a Hamiltonian cycle in the visibility graph.

Visibility was poor and he mistook the peaks of Taveuni to be separate islands.

On other aircraft ( the Boeing 787, for example ) the HUD guidance computation for Low Visibility Take-off ( LVTO ) and low visibility approach comes from the same flight guidance computer that drives the autopilot.

Visibility, like most of Singapore's waters, is chronic, ranging from as low as 0. 1 m to more than 3m.

Visibility at these times could become as low as a few feet ( hence the " London fogs " of movie fame ) and when combined with the soot created lethal long-persistence smog: these conditions led to the passing of the UK ’ s " Clean Air Act " which banned the burning of smoke-producing fuel.

A follow-up e-print by Kastner " On Visibility in the Afshar Experiment " argues that the commonly referenced inverse relationship between visibility parameter V and which-way parameter K does not apply to the Afshar setup, which post-selects for " which slit " after allowing interference to take place.

Organisation Logos was initially registered at the end of 2005 under the name of the Initiative for Visibility of Queer Muslims ( IIVQM ), but shortly after changed its name to Logos and reregistered in 2006.

Visibility was good at the time, but with a Spring tide ebbing to the west and a westerly Force 5 wind, the sea conditions near Corbière were moderate to rough.

* CAVOK is an abbreviation for Ceiling And Visibility OKay, indicating no cloud below or the highest minimum sector altitude and no cumulonimbus or towering cumulus at any level, a visibility of or more and no significant weather.

The weather corps of Corps I Operation Order stated: " Visibility: Heavy driving wind and rain during parts of day and night.

Visibility is primarily determined by weather conditions ( see visibility ) and by a vehicle's design.

Visibility was poor due to bad weather, and French machine gunners in the village of Douaumont thought the Germans were French colonial troops returning from a patrol.

Visibility sensors and weather stations along the highway may help increase notification in these fog events.

It is a common term and part of every day conversation on the Asexual Visibility and Education Network ( AVEN ) forums, and many members will refer to themselves as " orientation asexuals ".

* Selective Visibility: The simple ability to see what is occurring on stage.

Visibility in this photo is less than 500 feet ( 150 metres ).

One example of the Fresnel lens application common in the USA is the 3M Model 131 traffic signal ( dubbed the " Programmed Visibility " signal ).

Visibility in traffic is much debated.

Visibility is vital and that face should immediately allow you to identify a Kia even from a distance.

Visibility minimums of 1 / 2 mile ( runway visual range of 2, 400 feet ) are possible with a CAT I ILS approach supported by a ALS, and 3 / 8 mile visibility visual range is possible if the runway has high-intensity edge lights, touchdown zone and centerline lights, and an ALS that is at least long ( see Table 3-5a in FAA Order 8260. 3b ).

Jay is the founder and webmaster of the Asexual Visibility and Education Network ( AVEN ).

Visibility of system status: The system should always keep users informed about what is going on, through appropriate feedback within reasonable time.

Visibility is exceptionally good due to the island's geography.

Visibility is high, and and above is not unusual.

* Arc of Visibility: The portion of the horizon over which a lighted aid to navigation is visible from seaward.

She is set to film Visibility for the Motion Picture Corporation of America in 2011.

Visibility is merely or less on most summer afternoons because of the amount of water vapor in the air or because of cloudiness ( fog ).

The On / Off / Visibility knob is also prone to turning unintentionally when the weapon is stowed or retrieved, such as when mounting and dismounting vehicles.

Visibility graph analysis ( VGA ) is a method of analysing the inter-visibility connections within buildings or urban networks.