4

I have a river line, mid-rib and transect line

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I am trying to get a transect line by keeping mid-rib as the reference and I need to include only the transect lines that overlap the river.

Just like this

enter image description here

Here I split the transect line using the midrib and included only the lines which lie over the river layer.

How do I achieve the same results automatically if I have several watersheds?

5

You can use "Split with lines", "Select by location" and "Extract selected features" tools respectively.

  1. Split with lines

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  1. Select by location

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  1. Extract selected features

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Result:

enter image description here

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