private void TryProjectEnvelopeOfClass()
{
if (!_isPrjed)
{
_prj.Project(_class.FullEnvelope);
_isPrjed = true;
}
}
public void Project(IRuntimeProjecter projecter, enumCoordinateType toCoordinateType)
{
_runtimeProjecter = projecter;
if (_toCoordinateType == enumCoordinateType.Geographic)
{
_runtimeProjecter.Project(_fullEnvelop);
_toCoordinateType = enumCoordinateType.Projection;
}
}
public void Project(IRuntimeProjecter projecter, enumCoordinateType toCoordinateType)
{
if (_coordType == enumCoordinateType.Geographic)
{
_coordType = toCoordinateType;
_currentRuntimeProjecter = projecter;
//
_currentRuntimeProjecter.Project(_fullEnvelope);
//
if (_grids == null || _grids.Count == 0)
{
return;
}
int n = _grids.Count;
for (int i = 0; i < n; i++)
{
TryProject(_grids[i]);
}
}
}
public void TryProject(IGrid grid)
{
if (_currentRuntimeProjecter == null)
{
return;
}
//
if (!grid.CoordIsConverted)
{
_currentRuntimeProjecter.Project(grid.GridEnvelope);
grid.CoordIsConverted = true;
}
//
if (grid.VectorFeatures == null || grid.VectorFeatures.Count == 0)
{
return;
}
Shape shape = null;
Feature[] fets = grid.VectorFeatures.ToArray();
int n = fets.Length;
Feature fet = null;
for (int i = 0; i < n; i++)
{
fet = fets[i];
//
fet.SetFeatureClass(this);
//
if (fet.Projected)
{
continue;
}
//annotations
if (fet.Annotations != null)
{
foreach (LabelLocation loc in fet.Annotations)
{
_currentRuntimeProjecter.Project(loc.Location);
}
}
//
Envelope newEnvelope = new Envelope(double.MaxValue, double.MaxValue, double.MinValue, double.MinValue);
shape = fet.Geometry;
if (shape == null || shape.IsProjected)
{
continue;
}
shape.IsProjected = true;
shape.Envelope = newEnvelope;
if (shape is ShapePoint)
{
_currentRuntimeProjecter.Project(shape as ShapePoint);
UpdateEnvelopeByPoints(newEnvelope, new ShapePoint[] { shape as ShapePoint });
shape.UpdateCentroid();
}
else if (shape is ShapePolyline)
{
ShapePolyline line = shape as ShapePolyline;
foreach (ShapeLineString part in line.Parts)
{
_currentRuntimeProjecter.Project(part.Points);
UpdateEnvelopeByPoints(newEnvelope, part.Points);
}
line.UpdateCentroid();
}
else if (shape is ShapePolygon)
{
ShapePolygon ply = shape as ShapePolygon;
foreach (ShapeRing ring in ply.Rings)
{
_currentRuntimeProjecter.Project(ring.Points);
UpdateEnvelopeByPoints(newEnvelope, ring.Points);
}
ply.UpdateCentroid();
}
if (fet.LabelLocationService == null)
{
fet.SetLabelLocationService(new LabelLocationServiceDefault(null));
}
fet.LabelLocationService.Update(fet.Geometry);
fet.Projected = true;
}
(grid as Grid).UpdateEnvelope();
}
