graticule

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graticule

Graduated transparent scale engraved or photographed, placed in the front focal plane of the eyepiece of an optical instrument for direct observation of the apparent image size or position in the field of view. Example: the focusing screen of a focimeter. Syn. reticule.
References in periodicals archive ?
It was in the second half of the exercise, where the steps outlined in the book differed from those found on my screen, namely, I did not receive the expected warning message indicating that the source and target geographic coordinate system differ.
The chapter concludes with a section outlining the difference between geographic coordinate systems and projected coordinate systems in ArcGIS.

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