/// <summary>
/// Method to create a MultiPoint for testing purposes
/// </summary>
/// <returns>A MultiPoint</returns>
private MultiPoint CreateTester3()
{
Point[] points = new Point[21];
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
points[0] = gf.CreatePoint(new Coordinate(10, 13));
points[1] = gf.CreatePoint(new Coordinate(11, 13));
points[2] = gf.CreatePoint(new Coordinate(12, 13));
points[3] = gf.CreatePoint(new Coordinate(13, 14));
points[4] = gf.CreatePoint(new Coordinate(14, 15));
points[5] = gf.CreatePoint(new Coordinate(15, 16));
points[6] = gf.CreatePoint(new Coordinate(15, 17));
points[7] = gf.CreatePoint(new Coordinate(15, 18));
points[8] = gf.CreatePoint(new Coordinate(14, 19));
points[9] = gf.CreatePoint(new Coordinate(13, 20));
points[10] = gf.CreatePoint(new Coordinate(12, 21));
points[11] = gf.CreatePoint(new Coordinate(11, 21));
points[12] = gf.CreatePoint(new Coordinate(10, 21));
points[13] = gf.CreatePoint(new Coordinate(9, 20));
points[14] = gf.CreatePoint(new Coordinate(8, 19));
points[15] = gf.CreatePoint(new Coordinate(7, 18));
points[16] = gf.CreatePoint(new Coordinate(7, 17));
points[17] = gf.CreatePoint(new Coordinate(7, 16));
points[18] = gf.CreatePoint(new Coordinate(8, 15));
points[19] = gf.CreatePoint(new Coordinate(9, 14));
points[20] = gf.CreatePoint(new Coordinate(10, 13));
MultiPoint mp = gf.CreateMultiPoint(points);
return mp;
}
/// <summary>
/// Method to create a MultiPoint for testing purposes
/// </summary>
/// <returns>A MultiPoint</returns>
private MultiPoint CreateTester4()
{
Point[] points = new Point[32];
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
points[0] = gf.CreatePoint(new Coordinate(2, 2));
points[1] = gf.CreatePoint(new Coordinate(3, 1));
points[2] = gf.CreatePoint(new Coordinate(4, 2));
points[3] = gf.CreatePoint(new Coordinate(5, 3));
points[4] = gf.CreatePoint(new Coordinate(6, 4));
points[5] = gf.CreatePoint(new Coordinate(7, 5));
points[6] = gf.CreatePoint(new Coordinate(7, 6));
points[7] = gf.CreatePoint(new Coordinate(7, 7));
points[8] = gf.CreatePoint(new Coordinate(7, 8));
points[9] = gf.CreatePoint(new Coordinate(7, 9));
points[10] = gf.CreatePoint(new Coordinate(6, 10));
points[11] = gf.CreatePoint(new Coordinate(5, 11));
points[12] = gf.CreatePoint(new Coordinate(6, 12));
points[13] = gf.CreatePoint(new Coordinate(7, 13));
points[14] = gf.CreatePoint(new Coordinate(8, 14));
points[15] = gf.CreatePoint(new Coordinate(9, 13));
points[16] = gf.CreatePoint(new Coordinate(10, 12));
points[17] = gf.CreatePoint(new Coordinate(10, 11));
points[18] = gf.CreatePoint(new Coordinate(10, 10));
points[19] = gf.CreatePoint(new Coordinate(10, 9));
points[20] = gf.CreatePoint(new Coordinate(9, 8));
points[21] = gf.CreatePoint(new Coordinate(8, 7));
points[22] = gf.CreatePoint(new Coordinate(7, 7));
points[23] = gf.CreatePoint(new Coordinate(6, 7));
points[24] = gf.CreatePoint(new Coordinate(5, 8));
points[25] = gf.CreatePoint(new Coordinate(4, 8));
points[26] = gf.CreatePoint(new Coordinate(3, 7));
points[27] = gf.CreatePoint(new Coordinate(2, 6));
points[28] = gf.CreatePoint(new Coordinate(1, 5));
points[29] = gf.CreatePoint(new Coordinate(2, 4));
points[30] = gf.CreatePoint(new Coordinate(1, 3));
points[31] = gf.CreatePoint(new Coordinate(2, 2));
MultiPoint mp = gf.CreateMultiPoint(points);
return mp;
}
/// <summary>
/// Method to create a MultiPoint for testing purposes
/// </summary>
/// <returns>A MultiPoint</returns>
private MultiPoint CreateTester1()
{
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
Point[] points = new Point[23];
for(int i = 0; i < 12; i++)
{
points[i] = gf.CreatePoint(new Coordinate(i, i));
}
points[12] = gf.CreatePoint(new Coordinate(11, 12));
points[13] = gf.CreatePoint(new Coordinate(10, 13));
points[14] = gf.CreatePoint(new Coordinate(9, 14));
points[15] = gf.CreatePoint(new Coordinate(8, 15));
points[16] = gf.CreatePoint(new Coordinate(9, 16));
points[17] = gf.CreatePoint(new Coordinate(10, 17));
points[18] = gf.CreatePoint(new Coordinate(11, 18));
points[19] = gf.CreatePoint(new Coordinate(12, 19));
points[20] = gf.CreatePoint(new Coordinate(11, 20));
points[21] = gf.CreatePoint(new Coordinate(10, 21));
points[22] = gf.CreatePoint(new Coordinate(9, 22));
MultiPoint mp = gf.CreateMultiPoint(points);
return mp;
}
/// <summary>
/// Method to create a MultiPoint for testing purposes
/// </summary>
/// <returns>A MultiPoint</returns>
private MultiPoint CreateTester2()
{
Point[] points = new Point[18];
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
points[0] = gf.CreatePoint(new Coordinate(2, 2));
points[1] = gf.CreatePoint(new Coordinate(3, 3));
points[2] = gf.CreatePoint(new Coordinate(4, 4));
points[3] = gf.CreatePoint(new Coordinate(5, 5));
points[4] = gf.CreatePoint(new Coordinate(6, 6));
points[5] = gf.CreatePoint(new Coordinate(7, 7));
points[6] = gf.CreatePoint(new Coordinate(8, 8));
points[7] = gf.CreatePoint(new Coordinate(9, 7));
points[8] = gf.CreatePoint(new Coordinate(10, 6));
points[9] = gf.CreatePoint(new Coordinate(10, 5));
points[10] = gf.CreatePoint(new Coordinate(9, 4));
points[11] = gf.CreatePoint(new Coordinate(8, 3));
points[12] = gf.CreatePoint(new Coordinate(7, 4));
points[13] = gf.CreatePoint(new Coordinate(7, 5));
points[14] = gf.CreatePoint(new Coordinate(6, 6));
points[15] = gf.CreatePoint(new Coordinate(5, 7));
points[16] = gf.CreatePoint(new Coordinate(4, 8));
points[17] = gf.CreatePoint(new Coordinate(3, 9));
MultiPoint mp = gf.CreateMultiPoint(points);
return mp;
}
public void test_NumPoints()
{
//create a new multipoint
MultiPoint mp = CreateTester1();
Assertion.AssertEquals("NumPoints1: ", 23, mp.GetNumPoints());
//Create a null coordinate to test with
Coordinates testCoords = new Coordinates();
//create a multipoint with a null coordinate to test else case
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
testCoords = new Coordinates();
MultiPoint mp2 = gf.CreateMultiPoint(testCoords);
Assertion.AssertEquals("NumPoints2: ", 0, mp2.GetNumPoints());
}
public void test_IsEmpty()
{
//create a new multipoint
MultiPoint mp = CreateTester1();
Assertion.AssertEquals("IsEmpty1: ", false, mp.IsEmpty());
//Set multipoint to be empty to test the else
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
Coordinates coords = new Coordinates();
MultiPoint mp2 = gf.CreateMultiPoint(coords);
Assertion.AssertEquals("IsEmpty2: ", true, mp2.IsEmpty());
}
public void test_Envelope()
{
//create a new multipoint
MultiPoint mp = CreateTester1();
Geometry geom = mp.GetEnvelope() as Geometry;
//make sure there is something in the envelope
Assertion.AssertEquals("Envelope-1: ", false, geom.IsEmpty());
//get the coordinates out of the geometry
Coordinates coords = geom.GetCoordinates();
//check the first set of coordinates (minX, minY)
Assertion.AssertEquals("Envelope-2: ", 0.0, coords[0].X);
Assertion.AssertEquals("Envelope-3: ", 0.0, coords[0].Y);
//check the second set of coordinates (maxX, minY)
Assertion.AssertEquals("Envelope-4: ", 12.0, coords[1].X);
Assertion.AssertEquals("Envelope-5: ", 0.0, coords[1].Y);
//check the third set of coordinates (maxX, maxY)
Assertion.AssertEquals("Envelope-6: ", 12.0, coords[2].X);
Assertion.AssertEquals("Envelope-7: ", 22.0, coords[2].Y);
//check the forth set of coordinates (minX, maxY)
Assertion.AssertEquals("Envelope-8: ", 0.0, coords[3].X);
Assertion.AssertEquals("Envelope-9: ", 22.0, coords[3].Y);
//check the fifth set of coordinates (minX, minY)
Assertion.AssertEquals("Envelope-10: ", 0.0, coords[4].X);
Assertion.AssertEquals("Envelope-11: ", 0.0, coords[4].Y);
//create a new multipoint
mp = CreateTester3();
geom = mp.GetEnvelope() as Geometry;
//make sure there is something in the envelope
Assertion.AssertEquals("Envelope-12: ", false, geom.IsEmpty());
//get the coordinates out of the geometry
coords = geom.GetCoordinates();
//check the first set of coordinates (minX, minY)
Assertion.AssertEquals("Envelope-13: ", 7.0, coords[0].X);
Assertion.AssertEquals("Envelope-14: ", 13.0, coords[0].Y);
//check the second set of coordinates (maxX, minY)
Assertion.AssertEquals("Envelope-15: ", 15.0, coords[1].X);
Assertion.AssertEquals("Envelope-16: ", 13.0, coords[1].Y);
//check the third set of coordinates (maxX, maxY)
Assertion.AssertEquals("Envelope-17: ", 15.0, coords[2].X);
Assertion.AssertEquals("Envelope-18: ", 21.0, coords[2].Y);
//check the forth set of coordinates (minX, maxY)
Assertion.AssertEquals("Envelope-19: ", 7.0, coords[3].X);
Assertion.AssertEquals("Envelope-20: ", 21.0, coords[3].Y);
//check the fifth set of coordinates (minX, minY)
Assertion.AssertEquals("Envelope-21: ", 7.0, coords[4].X);
Assertion.AssertEquals("Envelope-22: ", 13.0, coords[4].Y);
coords = new Coordinates();
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
coords = new Coordinates();
mp = gf.CreateMultiPoint(coords);
geom = mp.GetEnvelope() as Geometry;
//make sure there is something in the envelope
Assertion.AssertEquals("Envelope-23: ", true, geom.IsEmpty());
}
public void test_CompareToSameClass()
{
LineString ls = SimpleOpen();
LineString ls2 = SimpleOpen();
LineString ls3 = SimpleClosed();
Point[] coords = new Point[]{};
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
MultiPoint mp = gf.CreateMultiPoint(coords);
Assertion.AssertEquals("CompareToSameClass-1: ", 0, ls.CompareToSameClass(ls2));
Assertion.AssertEquals("CompareToSameClass-2: ", 1, ls.CompareToSameClass(ls3));
Assertion.AssertEquals("CompareToSameClass-3: ", 1, ls.CompareToSameClass(mp));
Assertion.AssertEquals("CompareToSameClass-4: ", -1, ls3.CompareToSameClass(ls));
Assertion.AssertEquals("CompareToSameClass-5: ", -1, mp.CompareToSameClass(ls));
}
public void test_GetBoundary()
{
//try on a simple-open linestring
LineString ls = SimpleOpen();
Geometry geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-1: ", false, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-2: ", 2, geom.GetNumPoints());
GeometryFactory gf = new GeometryFactory(_precMod, _sRID);
MultiPoint mp = gf.CreateMultiPoint(geom.GetCoordinates());
for(int i = 0; i < mp.GetNumPoints(); i++)
{
switch(i)
{
case 0:
Assertion.AssertEquals("GetBoundary-3: ", 1.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-4: ", 1.0, mp.GetCoordinate(i).Y);
break;
case 1:
Assertion.AssertEquals("GetBoundary-5: ", 9.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-6: ", 22.0, mp.GetCoordinate(i).Y);
break;
default:
Assertion.Fail("This should never be reached");
break;
}
}
//try on a simple-closed linestring
ls = SimpleClosed();
geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-7: ", true, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-8: ", 0, geom.GetNumPoints());
//try on a nonsimple-open linestring
ls = NonSimpleOpen();
geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-9: ", false, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-10: ", 2, geom.GetNumPoints());
mp = gf.CreateMultiPoint(geom.GetCoordinates());
for(int i = 0; i < mp.GetNumPoints(); i++)
{
switch(i)
{
case 0:
Assertion.AssertEquals("GetBoundary-11: ", 2.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-12: ", 2.0, mp.GetCoordinate(i).Y);
break;
case 1:
Assertion.AssertEquals("GetBoundary-13: ", 3.0, mp.GetCoordinate(i).X);
Assertion.AssertEquals("GetBoundary-14: ", 9.0, mp.GetCoordinate(i).Y);
break;
default:
Assertion.Fail("This should never be reached");
break;
}
}
//try on a simple-closed linestring
ls = NonSimpleClosed();
geom = ls.GetBoundary();
Assertion.AssertEquals("GetBoundary-15: ", true, geom.IsEmpty());
Assertion.AssertEquals("GetBoundary-16: ", 0, geom.GetNumPoints());
}
