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MPAC, formerly known as OPAC (Ontario Property Assessment Corporation), was created on December 31, 1997, as a method to create accurate and equitable assessments across Ontario. MPAC came into existence with the MPAC Act, and it administers the Assessment Act, both part of Ontario provincial legislation.
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.
A non-stock corporation (or nonstock corporation) is a corporation that does not have owners represented by shares of stock, [1] in contrast to a joint-stock company. A non-stock corporation typically has members who are the functional equivalent of shareholders in a stock corporation. The members may have the right to vote (and other rights ...
GIS data acquisition includes several methods for gathering spatial data into a GIS database, which can be grouped into three categories: primary data capture, the direct measurement phenomena in the field (e.g., remote sensing, the global positioning system); secondary data capture, the extraction of information from existing sources that are ...
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.
Web GIS (also known as Web-Based GIS), or Web Geographic Information Systems, are GIS that employ the World Wide Web to facilitate the storage, visualization, analysis, and distribution of spatial information over the Internet.
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
Governments, non-government organizations and non-profit groups are a big force behind many programs. The current extent of PPGIS programs in the US has been evaluated by Sawicki and Peterman. [ 14 ] They catalog over 60 PPGIS programs who aid in "public participation in community decision making by providing local-area data to community groups ...