Superimposition is the placement of one thing over another, typically so that both are still evident. Superimpositions are often related to the mathematical procedure of superposition.
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👉 Superimposition in the context of Google Earth
Google Earth is a web and computer program created by Google that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users to see cities and landscapes from various angles. Users can explore the globe by entering addresses and coordinates, or by using a keyboard or mouse. The program can also be downloaded on a smartphone or tablet, using a touch screen or stylus to navigate. Users may use the program to add their own data using Keyhole Markup Language and upload them through various sources, such as forums or blogs. Google Earth is able to show various kinds of images overlaid on the surface of the Earth and is also a Web Map Service client. In 2019, Google revealed that Google Earth covers more than 97 percent of the world.
In addition to Earth navigation, Google Earth provides a series of other tools through the desktop application, including a measure distance tool. Additional globes for the Moon and Mars are available, as well as a tool for viewing the night sky. A flight simulator game is also included. Other features allow users to view photos from various places uploaded to Panoramio, information provided by Wikipedia on some locations, and Street View imagery. The web-based version of Google Earth also includes Voyager, a feature that periodically adds in-program tours, often presented by scientists and documentarians.
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Superimposition in the context of Multiple exposure
In photography and cinematography, a multiple exposure is the superimposition of two or more exposures to create a single image, and double exposure has a corresponding meaning in respect of two images. The exposure values may or may not be identical to each other.
Superimposition in the context of Flag of the United Kingdom
The Union Jack or Union Flag is the national flag of the United Kingdom.
The flag consists of the red cross of Saint George (the patron saint of England), edged in white, superimposed on the red saltire of Saint Patrick (the patron saint of Ireland), also edged in white, superimposed on the saltire of Saint Andrew (the patron saint of Scotland). Wales is not represented in the flag by Wales's patron saint, Saint David, because the flag was designed while Wales was part of the Kingdom of England.