grid coordinate system


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grid coordinate system

A plane-rectangular coordinate system usually based on, and mathematically adjusted to, a map projection where geographic positions (latitudes and longitudes) can be readily transformed into plane coordinates, and the computations relating to them can be performed by the ordinary method of plane surveying. See also universal transverse Mercator's grid. See grid (iii).
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References in periodicals archive ?
Needle biopsy of a suspicious area in the breast can be performed under clinical guidance or with one of three imaging techniques -- a grid coordinate system, ultrasound guidance or stereotactic guidance.
A grid coordinate system uses dedicated mammography equipment and a needle localization grid to localize the abnormality in two dimensions.