public void ToVector3D()
{
Ellipsoid ellipsoid = new Ellipsoid(1, 1, 0.7);
Assert.IsTrue(Vector3D.UnitX.EqualsEpsilon(ellipsoid.ToVector3D(new Geodetic3D(0, 0, 0)), 1e-10));
Assert.IsTrue(Vector3D.UnitY.EqualsEpsilon(ellipsoid.ToVector3D(new Geodetic3D(Trig.ToRadians(90), 0, 0)), 1e-10));
Assert.IsTrue(new Vector3D(0, 0, 0.7).EqualsEpsilon(ellipsoid.ToVector3D(new Geodetic3D(0, Trig.ToRadians(90), 0)), 1e-10));
}
public PointShapefile(
Shapefile shapefile,
Context context,
Ellipsoid globeShape,
ShapefileAppearance appearance)
{
Verify.ThrowIfNull(shapefile);
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(globeShape);
Verify.ThrowIfNull(appearance);
_billboards = new BillboardCollection(context);
_billboards.Texture = Device.CreateTexture2D(appearance.Bitmap, TextureFormat.RedGreenBlueAlpha8, false);
foreach (Shape shape in shapefile)
{
if (shape.ShapeType != ShapeType.Point)
{
throw new NotSupportedException("The type of an individual shape does not match the Shapefile type.");
}
Vector2D point = ((PointShape)shape).Position;
Vector3D position = globeShape.ToVector3D(Trig.ToRadians(new Geodetic3D(point.X, point.Y)));
Billboard billboard = new Billboard();
billboard.Position = position;
_billboards.Add(billboard);
}
}
public void ToGeodetic3D()
{
Ellipsoid ellipsoid = new Ellipsoid(6378137.0, 6378137.0, 6356752.314245);
Vector3D v = ellipsoid.ToVector3D(new Geodetic3D(0, 0, 0));
Geodetic3D g = ellipsoid.ToGeodetic3D(v);
Assert.AreEqual(0.0, g.Longitude, 1e-10);
Assert.AreEqual(0.0, g.Latitude, 1e-8);
Assert.AreEqual(0.0, g.Height, 1e-10);
v = ellipsoid.ToVector3D(new Geodetic3D(Trig.ToRadians(45.0), Trig.ToRadians(-60.0), -123.4));
g = ellipsoid.ToGeodetic3D(v);
Assert.AreEqual(Trig.ToRadians(45.0), g.Longitude, 1e-10);
Assert.AreEqual(Trig.ToRadians(-60.0), g.Latitude, 1e-3);
Assert.AreEqual(-123.4, g.Height, 1e-3);
v = ellipsoid.ToVector3D(new Geodetic3D(Trig.ToRadians(-97.3), Trig.ToRadians(71.2), 1188.7));
g = ellipsoid.ToGeodetic3D(v);
Assert.AreEqual(Trig.ToRadians(-97.3), g.Longitude, 1e-10);
Assert.AreEqual(Trig.ToRadians(71.2), g.Latitude, 1e-3);
Assert.AreEqual(1188.7, g.Height, 1e-3);
}
public void ToGeodetic3D()
{
Ellipsoid ellipsoid = new Ellipsoid(6378137.0, 6378137.0, 6356752.314245);
Vector3D v = ellipsoid.ToVector3D(new Geodetic3D(0, 0, 0));
Geodetic3D g = ellipsoid.ToGeodetic3D(v);
Assert.AreEqual(0.0, g.Longitude, 1e-10);
Assert.AreEqual(0.0, g.Latitude, 1e-8);
Assert.AreEqual(0.0, g.Height, 1e-10);
v = ellipsoid.ToVector3D(new Geodetic3D(Trig.ToRadians(45.0), Trig.ToRadians(-60.0), -123.4));
g = ellipsoid.ToGeodetic3D(v);
Assert.AreEqual(Trig.ToRadians(45.0), g.Longitude, 1e-10);
Assert.AreEqual(Trig.ToRadians(-60.0), g.Latitude, 1e-3);
Assert.AreEqual(-123.4, g.Height, 1e-3);
v = ellipsoid.ToVector3D(new Geodetic3D(Trig.ToRadians(-97.3), Trig.ToRadians(71.2), 1188.7));
g = ellipsoid.ToGeodetic3D(v);
Assert.AreEqual(Trig.ToRadians(-97.3), g.Longitude, 1e-10);
Assert.AreEqual(Trig.ToRadians(71.2), g.Latitude, 1e-3);
Assert.AreEqual(1188.7, g.Height, 1e-3);
}
public void ToVector3D()
{
Ellipsoid ellipsoid = new Ellipsoid(1, 1, 0.7);
Assert.IsTrue(Vector3D.UnitX.EqualsEpsilon(ellipsoid.ToVector3D(new Geodetic3D(0, 0, 0)), 1e-10));
Assert.IsTrue(Vector3D.UnitY.EqualsEpsilon(ellipsoid.ToVector3D(new Geodetic3D(Trig.ToRadians(90), 0, 0)), 1e-10));
Assert.IsTrue(new Vector3D(0, 0, 0.7).EqualsEpsilon(ellipsoid.ToVector3D(new Geodetic3D(0, Trig.ToRadians(90), 0)), 1e-10));
}
/// <summary>
/// Sets the <see cref="CenterPoint"/> and <see cref="FixedToLocalRotation"/> properties so that the
/// camera is looking at a given longitude, latitude, and height and is oriented in that point's local
/// East-North-Up frame. This method does not change the <see cref="Azimuth"/>, <see cref="Elevation"/>,
/// or <see cref="Range"/> properties, but the existing values of those properties are interpreted in the
/// new reference frame.
/// </summary>
/// <param name="longitude">The longitude of the point to look at, in radians.</param>
/// <param name="latitude">The latitude of the point to look at, in radians.</param>
/// <param name="height">The height of the point to look at, in meters above the <see cref="Ellipsoid"/> surface.</param>
public void ViewPoint(Ellipsoid ellipsoid, Geodetic3D geographic)
{
_centerPoint = ellipsoid.ToVector3D(geographic);
// Fixed to East-North-Up rotation, from Wikipedia's "Geodetic System" topic.
double cosLon = Math.Cos(geographic.Longitude);
double cosLat = Math.Cos(geographic.Latitude);
double sinLon = Math.Sin(geographic.Longitude);
double sinLat = Math.Sin(geographic.Latitude);
_fixedToLocalRotation =
new Matrix3D(-sinLon, cosLon, 0.0,
-sinLat * cosLon, -sinLat * sinLon, cosLat,
cosLat * cosLon, cosLat * sinLon, sinLat);
UpdateCameraFromParameters();
}
public PolygonShapefile(
Shapefile shapefile,
Context context,
Ellipsoid globeShape,
ShapefileAppearance appearance)
{
Verify.ThrowIfNull(shapefile);
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(globeShape);
_polyline = new OutlinedPolylineTexture();
_polygons = new List<Polygon>();
VertexAttributeDoubleVector3 positionAttribute = new VertexAttributeDoubleVector3("position");
VertexAttributeRGBA colorAttribute = new VertexAttributeRGBA("color");
VertexAttributeRGBA outlineColorAttribute = new VertexAttributeRGBA("outlineColor");
IndicesUnsignedInt indices = new IndicesUnsignedInt();
Random r = new Random(3);
IList<Vector3D> positions = new List<Vector3D>();
foreach (Shape shape in shapefile)
{
if (shape.ShapeType != ShapeType.Polygon)
{
throw new NotSupportedException("The type of an individual shape does not match the Shapefile type.");
}
PolygonShape polygonShape = (PolygonShape)shape;
for (int j = 0; j < polygonShape.Count; ++j)
{
Color color = Color.FromArgb(127, r.Next(256), r.Next(256), r.Next(256));
positions.Clear();
ShapePart part = polygonShape[j];
for (int i = 0; i < part.Count; ++i)
{
Vector2D point = part[i];
positions.Add(globeShape.ToVector3D(Trig.ToRadians(new Geodetic3D(point.X, point.Y))));
//
// For polyline
//
positionAttribute.Values.Add(globeShape.ToVector3D(Trig.ToRadians(new Geodetic3D(point.X, point.Y))));
colorAttribute.AddColor(color);
outlineColorAttribute.AddColor(Color.Black);
if (i != 0)
{
indices.Values.Add((uint)positionAttribute.Values.Count - 2);
indices.Values.Add((uint)positionAttribute.Values.Count - 1);
}
}
try
{
Polygon p = new Polygon(context, globeShape, positions);
p.Color = color;
_polygons.Add(p);
}
catch (ArgumentOutOfRangeException) // Not enough positions after cleaning
{
}
}
}
Mesh mesh = new Mesh();
mesh.PrimitiveType = PrimitiveType.Lines;
mesh.Attributes.Add(positionAttribute);
mesh.Attributes.Add(colorAttribute);
mesh.Attributes.Add(outlineColorAttribute);
mesh.Indices = indices;
_polyline.Set(context, mesh);
}
public PolylineShapefile(
Shapefile shapefile,
Context context,
Ellipsoid globeShape,
ShapefileAppearance appearance)
{
Verify.ThrowIfNull(shapefile);
Verify.ThrowIfNull(context);
Verify.ThrowIfNull(globeShape);
Verify.ThrowIfNull(appearance);
_polyline = new OutlinedPolylineTexture();
int positionsCount = 0;
int indicesCount = 0;
PolylineCapacities(shapefile, out positionsCount, out indicesCount);
VertexAttributeDoubleVector3 positionAttribute = new VertexAttributeDoubleVector3("position", positionsCount);
VertexAttributeRGBA colorAttribute = new VertexAttributeRGBA("color", positionsCount);
VertexAttributeRGBA outlineColorAttribute = new VertexAttributeRGBA("outlineColor", positionsCount);
IndicesUnsignedInt indices = new IndicesUnsignedInt(indicesCount);
foreach (Shape shape in shapefile)
{
if (shape.ShapeType != ShapeType.Polyline)
{
throw new NotSupportedException("The type of an individual shape does not match the Shapefile type.");
}
PolylineShape polylineShape = (PolylineShape)shape;
for (int j = 0; j < polylineShape.Count; ++j)
{
ShapePart part = polylineShape[j];
for (int i = 0; i < part.Count; ++i)
{
Vector2D point = part[i];
positionAttribute.Values.Add(globeShape.ToVector3D(Trig.ToRadians(new Geodetic3D(point.X, point.Y))));
colorAttribute.AddColor(appearance.PolylineColor);
outlineColorAttribute.AddColor(appearance.PolylineOutlineColor);
if (i != 0)
{
indices.Values.Add((uint)positionAttribute.Values.Count - 2);
indices.Values.Add((uint)positionAttribute.Values.Count - 1);
}
}
}
}
Mesh mesh = new Mesh();
mesh.PrimitiveType = PrimitiveType.Lines;
mesh.Attributes.Add(positionAttribute);
mesh.Attributes.Add(colorAttribute);
mesh.Attributes.Add(outlineColorAttribute);
mesh.Indices = indices;
_polyline.Set(context, mesh);
_polyline.Width = appearance.PolylineWidth;
_polyline.OutlineWidth = appearance.PolylineOutlineWidth;
}
private void SetShape()
{
_globeShape = new Ellipsoid(
Ellipsoid.ScaledWgs84.Radii.X,
Ellipsoid.ScaledWgs84.Radii.Y,
_semiMinorAxis);
_p = _globeShape.ToVector3D(new Geodetic2D(Trig.ToRadians(40), Trig.ToRadians(40)));
_q = _globeShape.ToVector3D(new Geodetic2D(Trig.ToRadians(120), Trig.ToRadians(-30)));
}
