gvSIG-Desktop 1.10. User Manual
This tool is used to split a polyline into different segments.
To split a polyline, start editing the line layer and select the polyline:
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Polyline selection
Once the polyline has been selected, activate the explode tool to split the polyine into segments. Verify that each of the segments can be selected as a line instead of as a poyline.
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Explode button