| index: |
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
| Map Collar |
Open area around a map’s edge that contains the north arrow, legend, scale, and other map elements. |
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| Map Projection |
Method for representing all or part of the earth’s surface on a flat sheet. |
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| Map Scale |
The relationship that exists between the distance measured on a map and the corresponding distance measured on the earth’s surface. |
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| MapObjects |
ESRITM GIS software that can be used to build custom GIS applications. Uses Visual Basic programming. |
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| MDT |
Mobile Data Terminal - A computer which allows a field unit to send and receive messages from the communications center. A MDT can also be used to generate electronic reports.
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| Metadata |
Information describing a data set.
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| Mosaicking |
Process of combining separate orthophotographs into one image. |
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| MrSID |
Compressed image file format with .sid extension. |
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| MSAG |
Master Street Address Guide. The MSAG contains all of the streets and house number ranges in the E 9-1-1 service area. The streets and address ranges are assigned ESN’s to enable proper routing of 9-1-1 calls.
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