20 lines
377 B
Go
20 lines
377 B
Go
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package geom
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import (
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"gogeos"
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"goposm/element"
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)
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func LineString(nodes []element.Node) []byte {
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geos := gogeos.NewGEOS()
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defer geos.Finish()
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coordSeq := geos.CreateCoordSeq(uint32(len(nodes)), 2)
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for i, nd := range nodes {
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coordSeq.SetXY(geos, uint32(i), nd.Long, nd.Lat)
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}
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geom := coordSeq.AsLineString(geos)
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defer geos.Destroy(geom)
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return geos.AsWKB(geom)
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}
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