public void TestSimpleLineUnion()
{
var a = Read("LINESTRING (1 1, 9 1)");
var b = Read("POINT (5 1)");
var expected = Read("LINESTRING (1 1, 9 1)");
CheckEqual(expected, OverlayNGTest.Union(a, b, 1));
}
public void TestTriangleFillingHoleUnionPrec10()
{
var a = Read("POLYGON ((0 0, 4 0, 4 4, 0 4, 0 0), (1 1, 1 2, 2 1, 1 1), (1 2, 1 3, 2 3, 1 2), (2 3, 3 3, 3 2, 2 3))");
var b = Read("POLYGON ((2 1, 3 1, 3 2, 2 1))");
var expected = Read("POLYGON ((0 0, 0 4, 4 4, 4 0, 0 0), (1 2, 1 1, 2 1, 1 2), (2 3, 1 3, 1 2, 2 3), (3 2, 3 3, 2 3, 3 2))");
CheckEqual(expected, OverlayNGTest.Union(a, b, 10));
}
public void TestBoxHoleCollapseAlongBEdgeUnion()
{
var a = Read("POLYGON ((0 3, 3 3, 3 0, 0 0, 0 3), (1 1.2, 1 1.1, 2.3 1.1, 1 1.2))");
var b = Read("POLYGON ((1 1, 2 1, 2 0, 1 0, 1 1))");
var expected = Read("POLYGON ((0 0, 0 3, 3 3, 3 0, 2 0, 1 0, 0 0))");
CheckEqual(expected, OverlayNGTest.Union(b, a, 1));
}
public void TestCollapseBoxTriangleUnion()
{
var a = Read("POLYGON ((10 10, 100 10, 10 11, 10 10))");
var b = Read("POLYGON ((90 0, 200 0, 200 200, 90 200, 90 0))");
var expected = Read("MULTIPOLYGON (((90 10, 10 10, 10 11, 90 10)), ((90 10, 90 200, 200 200, 200 0, 90 0, 90 10)))");
CheckEqual(expected, OverlayNGTest.Union(a, b, 1));
}
public void TestLinestringEmptyPointUnion()
{
var a = Read("LINESTRING (10 10, 20 20)");
var b = Read("POINT EMPTY");
var expected = Read("LINESTRING (10 10, 20 20)");
var actual = OverlayNGTest.Union(a, b, 1);
CheckEqual(expected, actual);
}
public void TestEmptyInputUUnion()
{
var a = Read("MULTIPOINT ((1 1), (3 1))");
var b = Read("POINT EMPTY");
var expected = Read("MULTIPOINT ((1 1), (3 1))");
CheckEqual(expected, OverlayNGTest.Union(a, b, 1));
}
public void TestSimpleFloatUnion()
{
var a = Read("MULTIPOINT ((1 1), (1.5 1.1), (2 1), (2.1 1.1))");
var b = Read("MULTIPOINT ((1.5 1.1), (2 1), (2 1.2))");
var expected = Read("MULTIPOINT ((1 1), (1.5 1.1), (2 1), (2 1.2), (2.1 1.1))");
CheckEqual(expected, OverlayNGTest.Union(a, b));
}
public void TestSimpleUnion()
{
var a = Read("MULTIPOINT ((1 1), (2 1))");
var b = Read("POINT (2 1)");
var expected = Read("MULTIPOINT ((1 1), (2 1))");
CheckEqual(expected, OverlayNGTest.Union(a, b, 1));
}
public static Geometry Union(Geometry a, Geometry b, double scaleFactor)
{
return(OverlayNGTest.Union(a, b, scaleFactor));
}