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A small non-profit, specializing in fish habitat restoration, has asked me to link a spreadsheet of field notes to their gis.

What we have is: 1) A spreadsheet of field notes for small fish streams. 2) A shapefile of unnamed rivers. Each branch of a river is often comprised of several individual lines.

What we need is: 1) Merge together lines that form a single branch of river. 2) Give a name to every branch of river coresponding to the spreadsheet notes.

Ideally, I will pan across the shapefile, clicking each branch and entering data for the "Name" attribute. I do not want to have to mess about, zooming in and merging multiple lines into a single branch, before I name it.

Using Qgis or Arcgis extension or script.

Thanks very much from Central Westcoast Forest Society, -bd200

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1 Answer 1

Assuming that each of the line segments has the correct branch name in the name field, you can use the Dissolve tool in ArcGIS. Your name field will be the dissolve field.

The dissolve tool is available at all license levels of ArcGIS.

You can watch a video demonstrating the dissolve tool here.

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I edited my question to, hopefully, be more precise. Thank you, Fezter. –  bd200 Feb 18 '13 at 18:35
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Your question seems to have changed significantly since you originally posted. My answer doesn't seem relevant anymore. Perhaps you should "unaccept" it if it doesn't provide you with the answer you want. –  Fezter Feb 19 '13 at 1:53

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