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  2. Topological map - Wikipedia

    en.wikipedia.org/wiki/Topological_map

    In cartography, geology, and robotics, [1] a topological map is a type of diagram that has been simplified so that only vital information remains and unnecessary detail has been removed. These maps lack scale, also distance and direction are subject to change and/or variation, but the topological relationship between points is maintained.

  3. Topographic map - Wikipedia

    en.wikipedia.org/wiki/Topographic_map

    Section of topographical map of Nablus area with contour lines at 100-meter intervals. Heights are colour-coded. Heights are colour-coded. In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting ...

  4. Atlas (topology) - Wikipedia

    en.wikipedia.org/wiki/Atlas_(topology)

    In mathematics, particularly topology, an atlas is a concept used to describe a manifold. An atlas consists of individual charts that, roughly speaking, describe individual regions of the manifold. In general, the notion of atlas underlies the formal definition of a manifold and related structures such as vector bundles and other fiber bundles .

  5. RailTopoModel - Wikipedia

    en.wikipedia.org/wiki/RailTopoModel

    RailTopoModel is a systemic data model for describing the topology-based railway infrastructure as needed by various applications. The RailTopoModel has been initially developed under patronage of the International Union of Railways (UIC) and was released as International Railway Standard (IRS) 30100 in April 2016. [1]

  6. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    In terms of model railway operation, gauge 3 is the largest (standard gauge) scenic railway modelling scale, using a scale of 13.5 mm to the foot. The Gauge '3' Society represents this aspect of 2 + 1 ⁄ 2 -inch gauge railway modelling with both electric and live steam operation.

  7. Tech Model Railroad Club - Wikipedia

    en.wikipedia.org/wiki/Tech_Model_Railroad_Club

    A view of the HO scale model of the Green Building at the Tech Model Railroad Club in Cambridge, MA. The Tech Model Railroad Club (TMRC) is a student organization at the Massachusetts Institute of Technology (MIT). [1] Historically, it has been a wellspring of hacker culture and the oldest such hacking group in North America. [2] Formed in 1946 ...

  8. Geospatial topology - Wikipedia

    en.wikipedia.org/wiki/Geospatial_topology

    The ARC/INFO Coverage data structure (1981), a topological data model based on POLYVRT. Topology was a very early concern for GIS. The earliest vector systems, such as the Canadian Geographic Information System, did not manage topological relationships, and problems such as sliver polygons proliferated, especially in operations such as vector overlay. [9]

  9. Wikipedia : Graphics Lab/Resources/Draw topological maps

    en.wikipedia.org/.../Resources/Draw_topological_maps

    The purpose of this tutorial is to show how to create a vector graphics topological map of a single rapid transit, tram, railway, waterway, road or long footpath, etc, route. Topological maps are straight-line diagrams or schematics that display not only the routes, but also other information such as stations and travel zones (as in the case of ...