A dual axis map is a map with two sets of geographic data overlaid on top of one another. Dual independent map encoding dime was the encoding structure to store. Icpsr also has the special program information tape spit produced by the census bureau see icpsr 8372, which contains several. Acronym for geographic base filesdual independent map encoding. Digital cartographic data holdings national archives. If youre using two or more monitors, there are a few things you can do to optimize your computer setup. Dimeencoded data was stored in geographic base files gbf. Create dualaxis layered maps in tableau tableau software. Part one is the correction, update, extension cue tape, which is comprised of the following computer cartography programs. Census bureau for efficiently storing geographical data and was a key technical development on the road toward the geographic information systems gis used today. These files have been created for most metropolitan areas. The committee behind the case study that eventually resulted in dime was established in 1965, although the term dime itself was first coined by george farnsworth in august of 1967. Dual independent map encoding dime format o developed by us bureau of the census o nodes intersections of lines are identified with codes o assigns a directional code in the form of a from node and a to node.
Pages in category gis file formats the following 36 pages are in this category, out of 36 total. Digital maps how chance, timing, and heritage shaped modern gis. The original goal of the lab was to develop symap as a software. We use gis software to join census demographics or other data. Super is the best software to convert videos and other media files. A geographic base file is a map in machinereadable form, and dual independent map encoding is the method used for this collection to encode map features in data files.
The geographic base file dual independent map encoding gbf dime computer program files are comprised of two parts. The idea for the dual independent map encoding dime system originated in the late 1960s from a census use study in new haven, connecticut as a way to link digital map files to the acg. The development of dime was assisted by census bureau. Tiger gis data topologically integrated geographic encoding. What is the abbreviation for dual independent map encoding. Geographic base filedual independent map encoding gbfdime. When you dig into the history of mapping, its remarkable how certain things. Vertex dictionary no duplication, but still this model does not use topology figure 7. The xcsource zero delay usb joystick encoder, also known as the bosega cy822a, the usb joystick and a whole host of other names is the cheapest arcade control encoder going. Mathematicians produced an algorithm derived from graph theory to edit files of line segments, nodes, and enclosed areas to create spatial relationships. Flachen beinhaltet, wobei alle kanten in zyklen eingebunden sind. Geographic base file dual independent map encoding gbfdime. The program is completely free, easy, fast and powerful. Dual independent map encoding dime is an encoding system developed by the u.