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Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Z] data accuracy content, examining format guide format types database connections directory-based data file-based data formats proprietary understanding management tools, downloading mapping mapping types repositories transforming between coordinate systems database connections database query statements (SQL) databases spatial tabular DC Maintenance Management System (DCMMS) web site Debian Linux package repositories DebianGIS decimal degrees versus degrees minutes seconds Digital Elevation Model (DEM) combining with drape image preparing digital mapping tools digital maps difficulties modifying personal maps technology barriers versus conventional maps digital tools, dependency on digitizing directory-based data DM Solutions Group DM Solutions drape image combining with DEM Draw Area tool (OpenEV) Draw Line tool (OpenEV) Draw ROI tool (OpenEV) defining region of interest duplicate lines, removing |
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