GIS Dictionary

[data capture] Reducing the number of points that define a line while preserving its essential shape.

1 [mathematics] A number that indicates the importance of a variable for a particular calculation. The larger the weight assigned

[ESRI software] In geometric networks, a specification for which network features can be traced based on their weight values.

[ESRI software] In Survey Analyst for field measurements, one of two possibilities for performing a constrained adjustment. In the weighted

[spatial statistics use for geostatistics] The geographic center of a set of points as adjusted for the influence of a

[spatial statistics use for geostatistics] The value of a point’s attribute computed by averaging the values of its surrounding points,

[data analysis] A technique for combining multiple rasters by applying a common measurement scale of values to each raster, weighting

[geodesy] Acronym for World Geodetic System 1972. A geocentric datum and coordinate system designed by the U.S. Department of Defense,

[geodesy] Acronym for World Geodetic System 1984. The most widely used geocentric datum and geographic coordinate system today, designed by

[programming] A SQL clause that specifies a selection criterion that allows filtering of a query result set.

[ESRI software] An interactive graphic component of a user interface (such as a button, scroll bar, or menu bar), its