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The v.split.length function from GRASS should do exactly what you want by splitting the line into equal segments defined by the user without the need for a point layer. Here's a simple example of a straight line (it also works on non-straight and multiple lines): I added a column to calculate its length using $length in the expression: Using the ...


3

It sounds you are after automatic raster to vector conversion and the extension to ArcGIS for Desktop that does that (as mentioned in a comment by @radouxju) is ArcScan: ArcScan provides tools that allow you to convert scanned images into vector-based feature layers. The process of converting raster data to vector features is known as vectorization. ...


1

Scan the map to xxx format and add the map to ArcGIS (sounds like you have it in jpg already). Use the Georeferecning Tools to get the map in the correct location using ancillary data. A good time to set the projection. Create empty point, line, and polygon Feature Classes. Using the Editing Toolbar to digitize your features into the files Add required ...



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