Search results
Results from the WOW.Com Content Network
The maps may be further enhanced by techniques such as rubbersheeting, which spatially warps the data to fit with more accurate modern maps. Large map collections, such as the David Rumsey Historical Map Collection , have digitized and georeferenced their maps and published them on the Internet, making them accessible for a variety of projects.
Online collection of all digital USGS 1:24K scale topographic maps (as well as various other GIS data) covering the United States, available as a free download. NPScape United States Department of the Interior National Park Service NPScape is a landscape dynamics monitoring project that provides landscape-level data, tools, and evaluations for ...
A GIS, however, can be used to depict two- and three-dimensional characteristics of the Earth's surface, subsurface, and atmosphere from information points. For example, a GIS can quickly generate a map with isopleth or contour lines that indicate differing amounts of rainfall. Such a map can be thought of as a rainfall contour map.
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.
The center manages the geographic collections of the Boston Public Library as well as material collected by Norman B. Leventhal during his lifetime, known as the Mapping Boston Collection. Its holdings stretch chronologically from the 15th century to the present, and geographically cover the world, with a focus on Boston and New England .
Web maps require the internet to host, so they are subject to link rot, making information inaccessible. [37] Unlike physical maps, this can have major impacts on the historical record if the web map is the only source for the data it presents. Web mapping is also used in geography games, notably of which is GeoGuessr.
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!
The map collection of the Zentralbibliothek Zürich covers to a large extent the various official topographic map series and national atlases. Located in Bern is the Ryhiner Collection , a former private collection of Johann Friedrich von Ryhiner with a focus on the 17th and 18th centuries.