Search results
Results From The WOW.Com Content Network
The AHCBP documents all boundary changes in states and counties in United States territory, including non-county areas never before compiled or mapped, providing unrivaled historical and geographic coverage. Primary sources are cited for every change, providing extensive historical documentation.
The Open Geospatial Consortium (OGC) Web Coverage Service (WCS) Interface Standard defines a web-based interface for the retrieval of coverages—that is, digital geospatial information representing space/time-varying phenomena.
name: short name or meaningful name of the set (+ name of the layer within QGis); url_download: direct url to download the file; publisher: The distributor/publisher of the map.
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
The CRS definition may be in a document (i.e. a flat file) or in an online web service. Values of EPSG codes can be resolved by using the EPSG Geodetic Parameter Dataset registry operated by the Oil and Gas Producers Association at Archived 2020-08-09 at the Wayback Machine.
GeoPackage (GPKG) is an open, non-proprietary, platform-independent and standards-based data format for geographic information systems built as a set of conventions over a SQLite database. Defined by the Open Geospatial Consortium (OGC) [ 2 ] with the backing of the US military [ 3 ] and published in 2014, GeoPackage has seen widespread support ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Because the world is much more complex than can be represented in a computer, all geospatial data are incomplete approximations of the world. [9] Thus, most geospatial data models encode some form of strategy for collecting a finite sample of an often infinite domain, and a structure to organize the sample in such a way as to enable interpolation of the nature of the unsampled portion.