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| title | chunk | source | category | tags | date_saved | instance |
|---|---|---|---|---|---|---|
| History of cartography | 15/16 | https://en.wikipedia.org/wiki/History_of_cartography | reference | science, encyclopedia | 2026-05-05T03:59:26.449661+00:00 | kb-cron |
=== 20th-century developments === During the 20th century, maps became more abundant due to improvements in printing and photography that made production cheaper and easier. Airplanes made it possible to photograph large areas at a time. Two-point equidistant projection was first drawn up by Hans Maurer in 1919. In this projection the distance from any point on the map to either of the two regulating points is accurate. The loximuthal projection was constructed by Karl Siemon in 1935 and refined by Waldo Tobler in 1966. Since the mid-1990s, the use of computers in map making has helped to store, sort, and arrange data for mapping to create map projections.
=== Contemporary developments ===
==== Software development ====
Nowadays map-making heavily relies on computer software to develop and provide a variety of services, a trend that already started at the end of the previous century. For instance, self-location, browser search of places, business, products, and area, and distance calculation. At the present time, computer-based software is dominated by big companies that offer their services to a worldwide public, such as Google Maps, Apple Maps, Bing Maps, National Geographic Maps, ESRI Geographic Information System (GIS), CartoDB, Mapbox, Waze, etc. Many other state-based, regional and smaller initiatives, and companies offer their services. The list of online map services is quite long and is growing every day.
==== Historical map collections ====
Recent development also include the integration of ancient maps and modern scholar research combined with modern computer software to elaborate periodical history maps. Initiatives such as Euratlas History Maps (which covers the whole of Europe from the year 1 AD to the present), Centennia Historical Atlas (which covers Europe from the year 1000AD to the present), Geacron, and many others who work in what is called historical cartography. These maps include evolution of countries, provinces and cities, wars and battles, the history of border changes, etc. Today historical cartography is thriving. The specialization of map services is ever growing. New map projections are still being developed, university map collections, such as Perry–Castañeda Library Map Collection at the University of Texas, offer better and more diverse maps and map tools every day, making available for their students and the broad public ancient maps that in the past were difficult to find. David Rumsey Historical Map Collection is nowadays a worldwide known initiative.
==== Self-publishing tools and collaborative mapping ====
Never in the past there were many "edit-yourself" map tools and software available for non-specialist. Map blogs and self-publishing are common. In 2004, Steve Coast created OpenStreetMap, a collaborative project to create a free editable map of the world. The creation and growth of OpenStreetMap has been motivated by restrictions on use or availability of map information across much of the world, and the advent of inexpensive portable satellite navigation devices.
==== Organizations ==== In 1921, the International Hydrographic Organization (IHO) was set up, and it constitutes the authority on hydrographic surveying and nautical charting. The current defining document is the Special publication S-23, Limits of Oceans and Seas, 3rd edition, 1953. The second edition dated back to 1937, and the first to 1928. A fourth edition draft was published in 1986 but so far several naming disputes (such as the one over the Sea of Japan) have prevented its ratification.
== History of cartography's technological changes ==
In cartography, technology has continually changed to meet the demands of new generations of mapmakers and map users. The first maps were manually constructed with brushes and parchment and therefore varied in quality and were limited in distribution. The advent of the compass, printing press, telescope, sextant, quadrant and vernier allowed for the creation of far more accurate maps and the ability to make accurate reproductions. Steven Weber of UC Berkeley has advanced the hypothesis that the concept of the "nation state" is an inadvertent byproduct of 15th-century advances in map-making technologies. Advances in photochemical technology, such as the lithographic and photochemical processes, have allowed for the creation of maps that have fine details, do not distort in shape and resist moisture and wear. This also eliminated the need for engraving which further shortened the time it takes to make and reproduce maps. In the mid-to-late 20th century, advances in electronic technology have led to further revolution in cartography. Specifically computer hardware devices such as computer screens, plotters, printers, scanners (remote and document) and analytic stereo plotters along with visualization, image processing, spatial analysis and database software, have democratized and greatly expanded the making of maps, particularly with their ability to produce maps that show slightly different features, without engraving a new printing plate. See also digital raster graphic and History of web mapping. Aerial photography and satellite imagery have provided high-accuracy, high-throughput methods for mapping physical features over large areas, such as coastlines, roads, buildings, and topography.
== See also ==
=== Related histories === History of geography History of geodesy History of navigation History of surveying – Science of determining the positions of points and the distances and angles between themPages displaying short descriptions of redirect targets History of cadastre – Register of real estate boundariesPages displaying short descriptions of redirect targets History of topographic mapping – Medium to large scale map that shows a precise map of the terrainPages displaying short descriptions of redirect targets
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