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Linear referencing information


A station number written on a silt fence at a construction site

Linear referencing, also called linear reference system or linear referencing system (LRS), is a method of spatial referencing in engineering and construction, in which the locations of physical features along a linear element are described in terms of measurements from a fixed point, such as a milestone along a road. Each feature is located by either a point (e.g. a signpost) or a line (e.g. a no-passing zone). If a segment of the linear element or route is changed, only those locations on the changed segment need to be updated. Linear referencing is suitable for management of data related to linear features like roads, railways, oil and gas transmission pipelines, power and data transmission lines, and rivers.

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Linear referencing

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Linear referencing, also called linear reference system or linear referencing system (LRS), is a method of spatial referencing in engineering and construction...

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Spatial reference system

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as the rows and columns of pixels in a raster image, Linear referencing measurements along linear features (e.g., highway mileposts), and systems for specifying...

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Linear algebra

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Linear algebra is the branch of mathematics concerning linear equations such as: a 1 x 1 + ⋯ + a n x n = b , {\displaystyle a_{1}x_{1}+\cdots +a_{n}x_{n}=b...

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Linear A

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contains Linear A Unicode characters. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Linear A. Linear A is...

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Georeferencing

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Hydrography Image registration Linear referencing Reverse geocoding Rubbersheeting Reference ellipsoid Spatial reference system Toponym resolution Transport...

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Geographic coordinate system

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representation of geographic point location by coordinates Linear referencing – method of spatial referencingPages displaying wikidata descriptions as a fallback...

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Linear B

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contains Linear B Unicode characters. Without proper rendering support, you may see question marks, boxes, or other symbols instead of Linear B. Linear B is...

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Milestone

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a generic unit-agnostic term. Milestones are installed to provide linear referencing points along the road. This can be used to reassure travellers that...

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Linear map

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specifically in linear algebra, a linear map (also called a linear mapping, linear transformation, vector space homomorphism, or in some contexts linear function)...

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Linearity

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mathematics, the term linear is used in two distinct senses for two different properties: linearity of a function (or mapping); linearity of a polynomial....

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Linear programming

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Linear programming (LP), also called linear optimization, is a method to achieve the best outcome (such as maximum profit or lowest cost) in a mathematical...

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Linear independence

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said to be linearly independent if there exists no nontrivial linear combination of the vectors that equals the zero vector. If such a linear combination...

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Linear motor

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linear motor is an electric motor that has had its stator and rotor "unrolled", thus, instead of producing a torque (rotation), it produces a linear force...

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Linear particle accelerator

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A linear particle accelerator (often shortened to linac) is a type of particle accelerator that accelerates charged subatomic particles or ions to a high...

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Linear regulator

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In electronics, a linear regulator is a voltage regulator used to maintain a steady voltage. The resistance of the regulator varies in accordance with...

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Shapefile

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dimension can be used for one of many functions, such as storing linear referencing measures or relative time of a feature in 4D space. The main file...

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System of linear equations

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In mathematics, a system of linear equations (or linear system) is a collection of two or more linear equations involving the same variables. For example...

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Road map

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symmetric matrix, only the upper triangle is displayed. Bicycle map Linear referencing Transit map Geographers' A-Z Map Company Ordnance Survey Timetable...

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Linear system

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In systems theory, a linear system is a mathematical model of a system based on the use of a linear operator. Linear systems typically exhibit features...

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Linear encoder

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A linear encoder is a sensor, transducer or readhead paired with a scale that encodes position. The sensor reads the scale in order to convert the encoded...

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Linear actuator

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A linear actuator is an actuator that creates linear motion (i.e., in a straight line), in contrast to the circular motion of a conventional electric motor...

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Linear combination

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a linear combination is an expression constructed from a set of terms by multiplying each term by a constant and adding the results (e.g. a linear combination...

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Linear approximation

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In mathematics, a linear approximation is an approximation of a general function using a linear function (more precisely, an affine function). They are...

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Piecewise linear function

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piecewise linear or segmented function is a real-valued function of a real variable, whose graph is composed of straight-line segments. A piecewise linear function...

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Linear search

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In computer science, linear search or sequential search is a method for finding an element within a list. It sequentially checks each element of the list...

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GeoMedia

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GeoMedia Professional, includes added capability to collect features, linear referencing management, quality assurance and validation tools as well as database...

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