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In cloud computing, an availability zone is a subset of an IT infrastructure system that shares no service-critical components (including power, cooling and access) with any other availability zone. Availability zones are typically geographically separated from one another, to prevent local disasters from acting on more than one availability zone.
pgRouting – The creation of journey time isochrones to airports in Finland has been explained using the GIS software QGIS and pgRouting (an extension of PostGIS). [ 42 ] pysochrone is a Python script and simple web interface for computing and displaying isochrones from an OGR -supported data source (e.g. PostGIS ) [ 43 ]
Earth's critical zone. Illustration by Critical Zone Observatories (CZO) based on a figure in Chorover et al. 2007.. Earth's critical zone is the “heterogeneous, near surface environment in which complex interactions involving rock, soil, water, air, and living organisms regulate the natural habitat and determine the availability of life-sustaining resources” (National Research Council ...
The Google Chart API allows a variety of graphs to be created. Livegap Charts creates line, bar, spider, polar-area and pie charts, and can export them as images without needing to download any tools. Veusz is a free scientific graphing tool that can produce 2D and 3D plots. Users can use it as a module in Python.
For example, the sample diagram does not indicate the physical type of connection between the PCs and the switch, but since a modern LAN is depicted, Ethernet may be assumed. If the same style of line was used in a WAN (wide area network) diagram, however, it may indicate a different type of connection.
William Playfair is usually credited with inventing the area charts as well as the line, bar, and pie charts.His book The Commercial and Political Atlas, published in 1786, contained a number of time-series graphs, including Interest of the National Debt from the Revolution and Chart of all the Imports and Exports to and from England from the Year 1700 to 1782 that are often described as the ...
N 2 chart example. [1] The N 2 chart or N 2 diagram (pronounced "en-two" or "en-squared") is a chart or diagram in the shape of a matrix, representing functional or physical interfaces between system elements. It is used to systematically identify, define, tabulate, design, and analyze functional and physical interfaces.
Google Chart API – interactive Web-based chart image generator, deprecated in 2012 with service commitment to 2015 and turned off in 2019. Google promotes JavaScript-based Google Charts as a replacement, which is not backwards-compatible with the Google Chart API's HTTP methods. Google Apps Standard Edition – Discontinued on December 6. [154]