public void TestSimpleLineIntersection()
{
var a = Read("LINESTRING (1 1, 9 1)");
var b = Read("POINT (5 1)");
var expected = Read("POINT (5 1)");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestPointLineIntersectionPrec()
{
var a = Read("POINT (10.1 10.4)");
var b = Read("LINESTRING (9.6 10, 20.1 19.6)");
var expected = Read("POINT EMPTY");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestPolygonDisjointIntersection()
{
var a = Read("POLYGON ((4 2, 6 2, 6 0, 4 0, 4 2))");
var b = Read("POINT (15 1)");
var expected = Read("POINT EMPTY");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestLinePointInOutIntersection()
{
var a = Read("LINESTRING (1 1, 9 1)");
var b = Read("MULTIPOINT ((5 1), (15 1))");
var expected = Read("POINT (5 1)");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestDisjointLinesRoundedIntersection()
{
var a = Read("LINESTRING (3 2, 3 4)");
var b = Read("LINESTRING (1.1 1.6, 3.8 1.9)");
var expected = Read("POINT (3 2)");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestRoundedBoxesIntersection()
{
var a = Read("POLYGON ((0.6 0.1, 0.6 1.9, 2.9 1.9, 2.9 0.1, 0.6 0.1))");
var b = Read("POLYGON ((1.1 3.9, 2.9 3.9, 2.9 2.1, 1.1 2.1, 1.1 3.9))");
var expected = Read("LINESTRING (1 2, 3 2)");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestPolyPolyTouchIntersection()
{
var a = Read("POLYGON ((300 0, 100 0, 100 100, 300 100, 300 0))");
var b = Read("POLYGON ((100 200, 300 200, 300 100, 200 100, 200 0, 100 0, 100 200))");
var expected = Read("GEOMETRYCOLLECTION (LINESTRING (200 100, 300 100), POLYGON ((200 0, 100 0, 100 100, 200 100, 200 0)))");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestParallelSpikes()
{
var a = Read("POLYGON ((1 3.3, 1.3 1.4, 3.1 1.4, 3.1 0.9, 1.3 0.9, 1 -0.2, 0.8 1.3, 1 3.3))");
var b = Read("POLYGON ((1 2.9, 2.9 2.9, 2.9 1.3, 1.7 1, 1.3 0.9, 1 0.4, 1 2.9))");
var expected = Read("POLYGON EMPTY");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestEmptyInputIntersection()
{
var a = Read("MULTIPOINT ((1 1), (3 1))");
var b = Read("POINT EMPTY");
var expected = Read("POINT EMPTY");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestSimpleIntersection()
{
var a = Read("MULTIPOINT ((1 1), (2 1))");
var b = Read("POINT (2 1)");
var expected = Read("POINT (2 1)");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public void TestDisjointPointsRoundedIntersection()
{
var a = Read("POINT (10.1 10)");
var b = Read("POINT (10 10.1)");
var expected = Read("POINT (10 10)");
CheckEqual(expected, OverlayNGTest.Intersection(a, b, 1));
}
public static Geometry Intersection(Geometry a, Geometry b, double scaleFactor)
{
return(OverlayNGTest.Intersection(a, b, scaleFactor));
}