Overlay
Encyclopedia
Overlay may refer to:
- Overlay architectureOverlay architectureOverlay is a term that is used to describe ‘event architecture’ and relates to the temporary elements that supplement existing buildings and infrastructure to enable the operation of major sporting events or festivals...
, term used to describe ‘event architecture’ and relates to the temporary elements that supplement existing buildings and infrastructure to enable the operation of major sporting events or festivals. - Overlay ControlOverlay ControlSilicon wafers are currently manufactured in a sequence of steps, each stage placing a pattern of material on the wafer; in this way transistors, contacts, etc., all made of different materials, are laid down...
in semiconductor manufacturing, for monitoring layer-to-layer alignment on multi-layer device structures. - Video overlay, techniques to display video on computer display.
- Hardware overlayHardware overlayIn computing, hardware overlay, a type of video overlay, provides a method of rendering an image to a display screen with a dedicated memory buffer inside computer video hardware. The technique aims to improve the display of a fast-moving video image — such as a computer game, a DVD, or the signal...
, one type of video overlay that uses memory dedicated to the application. - Overlay (programming)Overlay (programming)In a general computing sense, overlaying means "replacement of a block of stored instructions or data with another" Overlaying is a programming method that allows programs to be larger than the computer's main memory...
, a technique to reduce the amount of memory used by a program. - Overlay (operating system)Overlay (operating system)In operating systems, an overlay is when a process replaces itself with the code of another program. On Unix-like systems, this is accomplished with the exec system call....
, replacing one process by another - Historic overlay districtHistoric overlay districtA Historic overlay district is a layer of local planning regulation in the United States which incorporates the restrictions of the underlying zoning for a given geographic area, with the main goal of preserving the historic character of the neighborhood....
, a zoning district that applies special rules to a portion of other districts, usually for historic or conservation reasons. - Overlay networkOverlay networkAn overlay network is a computer network which is built on the top of another network. Nodes in the overlay can be thought of as being connected by virtual or logical links, each of which corresponds to a path, perhaps through many physical links, in the underlying network...
, a computer network which is built on top of another network - Overlay planOverlay planIn telephony, especially in North America, an overlay plan is the practice of introducing a new area code by applying it onto a geographic area that is already occupied by one or more existing area codes, resulting in two area codes serving the same area.- Methodology :Prior to the introduction of...
, a method of introducing new area codes in telephony - Overlay keyboard, a specialized keyboard with no pre-set keysmethod of introducing new area codes in telephony
- An overlay in gamblingGamblingGambling is the wagering of money or something of material value on an event with an uncertain outcome with the primary intent of winning additional money and/or material goods...
is where the bettor thinks the odds given are too generous