Search results
Results from the WOW.Com Content Network
This large and detailed map of Ohio shows rapid progress of the township grid from the original surveys in the eastern part of the state in the 1790s. Hough & Bourne's map of Ohio is the second large format map of Ohio (after Mansfield's map of 1807, which measures 30 x 22 inches) and a large format landmark in the history of the mapping of the ...
Depicted hardware (field-map technology) is used mainly for forest inventories, monitoring and mapping. 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 ...
Primarily from the United States Government Printing Office Style Manual. [1] State names usually signify only parts of each listed state, unless otherwise indicated. Based on the BLM manual's 1973 publication date, and the reference to Clarke's Spheroid of 1866 in section 2-82, coordinates appear to be in the NAD27 datum.
The thematic map types that could be generated by SYMAP. Perhaps the first general-purpose software that provided a range of GIS functionality was the Synagraphic Mapping Package (SYMAP), developed by Howard T. Fisher and others at the nascent Harvard Laboratory for Computer Graphics and Spatial Analysis starting in 1965.
Computer cartography is one of the main functions of geographic information systems (GIS), however, GIS is not necessary to facilitate computer cartography and has functions beyond just making maps. [ 5 ] [ 6 ] The first peer-reviewed publications on using computers to help in the cartographic process predate the introduction of full GIS by ...
The origin of the geodatabase was in the mid-1990s during the emergence of the first spatial databases.One early approach to integrating relational databases and GIS was the use of server middleware, a third-party program that stores the spatial data in database tables in a custom format, and translates it dynamically into a logical model that can be understood by the client software.
The Open Geospatial Consortium (OGC) is an international voluntary consensus standards organization that develops and maintains international standards for geospatial content and location-based services, sensor web, Internet of Things, GIS data processing and data sharing.
ODNR owns and manages more than 640,000 acres (260,000 ha) of land, including 75 state parks, 23 state forests, 136 state nature preserves, and 150 wildlife areas. The department has jurisdiction over more than 61,500 mi (99,000 km) of inland rivers and streams, 451 mi (726 km) of the Ohio River , and 2.29 million acres (9,300 km 2 ) of Lake Erie .