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replaced the attached figure

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edited Jan 31, 2018 at 4:13

Let me suggest an approach by a Virtual Layer.

SELECT st_difference(st_buffer(Your_layer.geometry, 100), Your_layer.geometry)
FROM Your_layer

Please save this Virtual Layer as another vector file, such as ESRI Shapefile, before you proceed to next steps.

Let me suggest an approach by a Virtual Layer.

SELECT st_difference(st_buffer(Your_layer.geometry, 100), Your_layer.geometry)
FROM Your_layer

Please save this Virtual Layer as another vector file, such as ESRI Shapefile, before you proceed to next steps.

Let me suggest an approach by a Virtual Layer.

SELECT st_difference(st_buffer(Your_layer.geometry, 100), Your_layer.geometry)
FROM Your_layer

Please save this Virtual Layer as another vector file, such as ESRI Shapefile, before you proceed to next steps.

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created Jan 31, 2018 at 4:06

Let me suggest an approach by a Virtual Layer.

SELECT st_difference(st_buffer(Your_layer.geometry, 100), Your_layer.geometry)
FROM Your_layer

Please save this Virtual Layer as another vector file, such as ESRI Shapefile, before you proceed to next steps.