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 Remove()
{
using (BillboardCollectionTest billboardGroup = new BillboardCollectionTest())
{
BillboardCollection group = billboardGroup.Group;
Billboard b = new Billboard()
{
Position = Vector3D.Zero
};
group.Add(b);
Assert.AreEqual(group, b.Group);
b.Position = Vector3D.UnitX; // Make billboard dirty;
Assert.IsTrue(group.Remove(b));
Assert.IsNull(b.Group);
}
}