/// <summary>
/// Assigns projection to the layer if the layer doesn't have one.
/// </summary>
public void AssignProjection(ISpatialReference proj)
{
if (proj == null)
{
throw new ArgumentNullException("proj");
}
_image.GeoProjection = proj.Clone().GetInternal();
}
public void SetSpatialReferences(ISpatialReference from, ISpatialReference to)
{
if (from == null)
{
lock (LockThis1)
{
try
{
if (_fromID != IntPtr.Zero)
{
Proj4Wrapper.pj_free(_fromID);
}
}
catch { }
_fromID = IntPtr.Zero;
_fromSRef = null;
}
}
if (to == null)
{
lock (LockThis1)
{
try
{
if (_toID != IntPtr.Zero)
{
Proj4Wrapper.pj_free(_toID);
}
}
catch { }
_toID = IntPtr.Zero;
_toSRef = null;
}
}
if ((from != null && from.Datum == null) && (to != null && to.Datum != null))
{
ISpatialReference toSRef = (ISpatialReference)to.Clone();
toSRef.Datum = null;
this.ToSpatialReference = toSRef;
this.FromSpatialReference = from;
}
else if ((from != null && from.Datum != null) && (to != null && to.Datum == null))
{
this.ToSpatialReference = to;
ISpatialReference fromSRef = (ISpatialReference)from.Clone();
fromSRef.Datum = null;
this.FromSpatialReference = fromSRef;
}
else
{
this.ToSpatialReference = to;
this.FromSpatialReference = from;
}
}
public void SetSpatialReferences(ISpatialReference from, ISpatialReference to)
{
if (from == null)
{
this.FromSpatialReference = from;
}
if (to == null)
{
this.ToSpatialReference = to;
}
if ((from != null && from.Datum == null) && (to != null && to.Datum != null))
{
ISpatialReference toSRef = (ISpatialReference)to.Clone();
toSRef.Datum = null;
this.ToSpatialReference = toSRef;
this.FromSpatialReference = from;
}
else if ((from != null && from.Datum != null) && (to != null && to.Datum == null))
{
this.ToSpatialReference = to;
ISpatialReference fromSRef = (ISpatialReference)from.Clone();
fromSRef.Datum = null;
this.FromSpatialReference = fromSRef;
}
else
{
this.ToSpatialReference = to;
this.FromSpatialReference = from;
}
_projectionPipeline = ProjectionPipeline(_fromSrs, _toSrs);
_basicCoordinateTransformations = new BasicCoordinateTransform[_projectionPipeline.Length - 1];
_basicCoordinateTransformationsInverse = new BasicCoordinateTransform[_projectionPipeline.Length - 1];
for (int p = 0, p_to = _projectionPipeline.Length; p < p_to - 1; p++)
{
BasicCoordinateTransform t = new BasicCoordinateTransform(_projectionPipeline[p], _projectionPipeline[p + 1]);
_basicCoordinateTransformations[p] = t;
}
for (int p = _projectionPipeline.Length; p > 1; p--)
{
BasicCoordinateTransform t = new BasicCoordinateTransform(_projectionPipeline[p - 1], _projectionPipeline[p - 2]);
_basicCoordinateTransformationsInverse[_projectionPipeline.Length - p] = t;
}
}
/// <summary>
/// Assigns laye projection to the map.
/// </summary>
private TestingResult HandleEmptyMapProjection(ISpatialReference layerProj)
{
var db = _context.Projections;
if (db != null)
{
var cs = db.GetCoordinateSystem(layerProj, ProjectionSearchType.UseDialects);
if (cs != null)
{
var proj = new SpatialReference();
if (proj.ImportFromEpsg(cs.Code))
{
layerProj = proj;
}
}
}
_context.Map.Projection = layerProj.Clone();
return(TestingResult.Ok);
}
private void btnGetSRef_Click(object sender, EventArgs e)
{
ISpatialReference sRef =
(cmbSRef.SelectedItem is SpatialReferenceItem) ?
((SpatialReferenceItem)cmbSRef.SelectedItem).SpatialReference :
null;
FormSpatialReference dlg = new FormSpatialReference(sRef.Clone() as ISpatialReference);
if (dlg.ShowDialog() == DialogResult.OK)
{
if (dlg.SpatialReference != null &&
(sRef == null ||
!dlg.SpatialReference.Equals(sRef)))
{
SpatialReferenceItem item = new SpatialReferenceItem(dlg.SpatialReference);
_items.Add(item);
cmbSRef.Items.Add(item);
cmbSRef.SelectedItem = item;
}
}
}