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A set of ordered co-ordinates that represent the shape of geographic features too narrow to be displayed as an area at the given scale (contours, street centrelines, or streams), or linear features with no area (county boundary lines)
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Splitting line into two lines with GRASS GIS?
I converted a raster to polygon, after converting polygon to lines I have one line of the channel of a river which border a river. … But I need to split this line in two lines: left border and right border of the river.
How can I split this line in two lines, left border and right border? …