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The Public Land Survey System (PLSS) is the surveying method developed and used in the United States to plat, or divide, real property for sale and settling. Also known as the Rectangular Survey System, it was created by the Land Ordinance of 1785 to survey land ceded to the United States by the Treaty of Paris in 1783, following the end of the ...
Figure 1. This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS. The following are the principal and guide meridians and base lines of the United States, with the year established and a brief summary of what areas' land surveys are based on each.
LuciadLightspeed consists of over 100 different software components and connectors to fuse, visualize and analyze geospatial data. This can include static and moving data, maps, satellite imagery, crowd-sourced data, full motion video, weather data and terrain elevation in many different geodetic references and map projections.
ParaView software is able to open such data and export them in WebGL format. To draw the maps the Speleo-Vulcain group from France is using Visual Topo for simple systems. However, because of the difficulties to build a rigorous synthesis and to update the survey of the complex Jean-Bernard System, they passed to the open source software ...
This BLM map depicts the principal meridians and baselines used for surveying states (colored) in the PLSS. In the United States Public Land Survey System , a principal meridian is the principal north–south line used for survey control in a large region, and which divides townships between east and west.
MapInfo Pro is a database which manages information as a system of Tables. Each table is either a map file (graph) or a database file (text) and is denoted the file extension .TAB. Objects (points, lines, polygons) can be enhanced to highlight specific variations on a theme through the creation of a Thematic map. The basic data is overlaid with ...
Generic Mapping Tools – A collection of command-line tools for manipulating geographic and Cartesian data sets and producing PostScript illustrations. FalconView – A mapping system created by the Georgia Tech Research Institute for Windows. A free, open source version is available. Kalypso – Uses Java and GML3. Focuses mainly on numerical ...
Generic Mapping Tools (GMT) are an open-source collection of computer software tools for processing and displaying xy and xyz datasets, including rasterization, filtering and other image processing operations, and various kinds of map projections. The software stores 2-D grids as COARDS-compliant netCDF files and comes with a comprehensive ...