/// <summary>
/// use the mapFrame with this dialog
/// </summary>
/// <param name="mapFrame"></param>
public MapFrameProjectionDialog(IMapFrame mapFrame)
{
InitializeComponent();
_mapFrame = mapFrame;
_projection = new ProjectionInfo();
_projection.CopyProperties(_mapFrame.Projection);
UpdateProjectionStrings();
}
public void Reproject_ForLinearRingWithTargetCoordinateSystemWithoutTransform_ReturnDesifiedLinearRing()
{
// Setup
var p1 = new Coordinate(0.0, 0.0);
var p2 = new Coordinate(1.1, 1.1);
var p3 = new Coordinate(2.2, 0.0);
Coordinate[] triangleCoordinates =
{
p1,
p2,
p3,
p1
};
var ring = new LinearRing(triangleCoordinates);
ProjectionInfo sourceProjection = KnownCoordinateSystems.Projected.NationalGrids.Rijksdriehoekstelsel;
var targetProjection = new ProjectionInfo();
targetProjection.CopyProperties(sourceProjection);
targetProjection.Transform = null;
// Call
ILinearRing reprojectedRing = ring.Reproject(sourceProjection, sourceProjection);
// Assert
const int numberOfEdges = 3;
const int expectedNumberOfExtraPoints = 35;
Assert.AreEqual(numberOfEdges * expectedNumberOfExtraPoints + numberOfEdges + 1, reprojectedRing.Coordinates.Length);
const double allowedError = 1e-6; // Allow small drift in reprojecting to same coordinate system.
const int expectedP1Index = 0;
const int expectedP2Index = expectedNumberOfExtraPoints + 1;
const int expectedP3Index = 2 * (expectedNumberOfExtraPoints + 1);
const int expectedP1RepeatIndex = 3 * (expectedNumberOfExtraPoints + 1);
AssertCoordinatesAreEqual(p1, reprojectedRing.Coordinates[expectedP1Index], allowedError);
AssertCoordinatesAreEqual(GetExpectedExtraDesificationCoordinates(p1, p2, expectedNumberOfExtraPoints).ToArray(),
TakeElementsFromTo(reprojectedRing.Coordinates, expectedP1Index + 1, expectedP2Index - 1).ToArray(),
allowedError);
AssertCoordinatesAreEqual(p2, reprojectedRing.Coordinates[expectedP2Index], allowedError);
AssertCoordinatesAreEqual(GetExpectedExtraDesificationCoordinates(p2, p3, expectedNumberOfExtraPoints).ToArray(),
TakeElementsFromTo(reprojectedRing.Coordinates, expectedP2Index + 1, expectedP3Index - 1).ToArray(),
allowedError);
AssertCoordinatesAreEqual(p3, reprojectedRing.Coordinates[expectedP3Index], allowedError);
AssertCoordinatesAreEqual(GetExpectedExtraDesificationCoordinates(p3, p1, expectedNumberOfExtraPoints).ToArray(),
TakeElementsFromTo(reprojectedRing.Coordinates, expectedP3Index + 1, expectedP1RepeatIndex - 1).ToArray(),
allowedError);
AssertCoordinatesAreEqual(p1, reprojectedRing.Coordinates[expectedP1RepeatIndex], allowedError);
}
public void Reproject_ForExtentWithTargetProjectionWithoutTransform_ReturnEqualExtent()
{
// Setup
var extent = new Extent(1.1, 2.2, 3.3, 4.4);
ProjectionInfo source = KnownCoordinateSystems.Projected.NationalGrids.Rijksdriehoekstelsel;
var targetProjection = new ProjectionInfo();
targetProjection.CopyProperties(KnownCoordinateSystems.Projected.World.WebMercator);
targetProjection.Transform = null;
// Call
Extent result = extent.Reproject(source, targetProjection);
// Assert
AssertExtentAreEqual(extent, result, 1e-6);
}
