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Remove test for coverage example #6

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6c3195c
Remove test for coverage example
Willyham Apr 24, 2020
fc2fbc0
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Willyham Apr 24, 2020
af4c0e3
Better example
Willyham Apr 24, 2020
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1 change: 1 addition & 0 deletions go.sum
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,7 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/sirupsen/logrus v1.4.1/go.mod h1:ni0Sbl8bgC9z8RoU9G6nDWqqs/fq4eDPysMBDgk/93Q=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0Q=
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15 changes: 15 additions & 0 deletions predicates.go
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Expand Up @@ -85,3 +85,18 @@ func polygonToGeometry(geofence *geom.Polygon) *geos.Geometry {

return geos.Must(geos.NewPolygon(shellGeos, holes...))
}

func polygonToGeometryExample(geofence *geom.Polygon) *geos.Geometry {
// Convert the outer shell to geos format.
shell := geofence.LinearRing(0).Coords()
shellGeos := geomToGeosCoords(shell)

// Convert each hole to geos format.
numHoles := geofence.NumLinearRings() - 1
holes := make([][]geos.Coord, numHoles)
for i := 0; i < numHoles; i++ {
holes[i] = geomToGeosCoords(geofence.LinearRing(i).Coords())
}

return geos.Must(geos.NewPolygon(shellGeos, holes...))
}
9 changes: 9 additions & 0 deletions predicates_test.go
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Expand Up @@ -56,3 +56,12 @@ func TestPredicates(t *testing.T) {
})
}
}

func TestPolygonToGeometryExample(t *testing.T) {
geofence := readFileAsGeometry(t, "testdata/regents.geojson")

geom := polygonToGeometryExample(geofence)
perimeterLength, err := geom.Length()
require.NoError(t, err)
assert.Equal(t, geofence.Length(), perimeterLength)
}