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Digital raster graphic. A small portion of a USGS DRG. A digital raster graphic ( DRG) is a digital image resulting from scanning a paper USGS topographic map for use on a computer. DRGs created by USGS are typically scanned at 250 dpi and saved as a TIFF. The raster image usually includes the original border information, referred to as the ...
This is a list of satellite map images with missing or unclear data. Some locations on free, publicly viewable satellite map services have such issues due to having been intentionally digitally obscured or blurred for various reasons of this. [1] For example, Westchester County, New York asked Google to blur potential terrorism targets (such as ...
Map database management systems are software programs designed to store and recall spatial information for navigation applications, and are thus a form of Geographic information system. They are widely used in localization and navigation, especially in automotive applications. Moreover, they are playing an increasingly important role in the ...
When a racon receives a radar pulse, it responds with a signal on the same frequency which puts an image on the radar display. This takes the form of a short line of dots and dashes forming a Morse character radiating away from the location of the beacon on the normal plan position indicator radar display. The length of the line usually ...
www .extensis .com /mrsid-file-format. MrSID (pronounced Mister Sid) is an acronym that stands for multiresolution seamless image database. It is a file format ( filename extension .sid) developed and patented [2] [3] by LizardTech (in October 2018 absorbed into Extensis) [4] for encoding of georeferenced raster graphics, such as orthophotos .
Portable Database Image. The Portable Database Image, also known as .pdi file, is a proprietary loss-less format designed for analytics, publishing and syndication of complex data. The .pdi format, generation process, and GUI, were invented by Dr. Reimar Hofmann and Dr. Michael Haft from Siemens AG Artificial Intelligence / Machine Learning .
GIS file format. A GIS file format is a standard for encoding geographical information into a computer file, as a specialized type of file format for use in geographic information systems (GIS) and other geospatial applications. Since the 1970s, dozens of formats have been created based on various data models for various purposes.
• Label and Insee code commune: from Geofla (note that commune boundaries are also available under free license at geofla, but not near acceptable quality due to extreme simplification!) • Data for exact commune* and department boundaries: derived via osm download geofabrik.de and osm2pgsql, OpenStreetMap contributors.