/// <summary>
/// Converts one GeometryLocation to a Line location.
/// </summary>
/// <param name="geomIndex"></param>
public void ToLine(int geomIndex)
{
if (elt[geomIndex].IsArea)
{
elt[geomIndex] = new TopologyLocation(elt[geomIndex].GetLocations()[0]);
}
}
/// <summary>
///
/// </summary>
/// <param name="geomIndex"></param>
/// <param name="tl"></param>
private void SetGeometryLocation(int geomIndex, TopologyLocation tl)
{
if (tl == null)
{
return;
}
elt[geomIndex].SetLocations(tl);
}
/// <summary>
///
/// </summary>
/// <param name="gl"></param>
public TopologyLocation(TopologyLocation gl)
{
if (gl == null)
{
throw new ArgumentNullException("gl", "null topology location specified");
}
Init(gl._location.Length);
for (int i = 0; i < _location.Length; i++)
{
_location[i] = gl._location[i];
}
}
/// <summary>
/// Merge this label with another one.
/// Merging updates any null attributes of this label with the attributes from lbl.
/// </summary>
/// <param name="lbl"></param>
public void Merge(Label lbl)
{
for (int i = 0; i < 2; i++)
{
if (elt[i] == null && lbl.elt[i] != null)
{
elt[i] = new TopologyLocation(lbl.elt[i]);
}
else
{
elt[i].Merge(lbl.elt[i]);
}
}
}
/// <summary>
/// Construct a Label with On, Left and Right locations for both Geometries.
/// Initialize the locations for the given Geometry index.
/// </summary>
/// <param name="geomIndex"></param>
/// <param name="onLoc"></param>
/// <param name="leftLoc"></param>
/// <param name="rightLoc"></param>
public Label(int geomIndex, Location onLoc, Location leftLoc, Location rightLoc)
{
elt[0] = new TopologyLocation(Location.Null, Location.Null, Location.Null);
elt[1] = new TopologyLocation(Location.Null, Location.Null, Location.Null);
elt[geomIndex].SetLocations(onLoc, leftLoc, rightLoc);
}
/// <summary>
/// Construct a Label with On, Left and Right locations for both Geometries.
/// Initialize the locations for both Geometries to the given values.
/// </summary>
/// <param name="onLoc"></param>
/// <param name="leftLoc"></param>
/// <param name="rightLoc"></param>
public Label(Location onLoc, Location leftLoc, Location rightLoc)
{
elt[0] = new TopologyLocation(onLoc, leftLoc, rightLoc);
elt[1] = new TopologyLocation(onLoc, leftLoc, rightLoc);
}
/// <summary>
/// Construct a Label with a single location for both Geometries.
/// Initialize the location for the Geometry index.
/// </summary>
/// <param name="geomIndex"></param>
/// <param name="onLoc"></param>
public Label(int geomIndex, Location onLoc)
{
elt[0] = new TopologyLocation(Location.Null);
elt[1] = new TopologyLocation(Location.Null);
elt[geomIndex].SetLocation(onLoc);
}
/// <summary>
/// Construct a Label with a single location for both Geometries.
/// Initialize the locations to Null.
/// </summary>
/// <param name="onLoc"></param>
public Label(Location onLoc)
{
elt[0] = new TopologyLocation(onLoc);
elt[1] = new TopologyLocation(onLoc);
}
/// <summary>
/// Construct a Label with the same values as the argument Label.
/// </summary>
/// <param name="lbl"></param>
public Label(Label lbl)
{
elt[0] = new TopologyLocation(lbl.elt[0]);
elt[1] = new TopologyLocation(lbl.elt[1]);
}