public int[] GetBitmapIndexes(Feature feature)
{
IRasterDrawing rst = _canvas.PrimaryDrawObject as IRasterDrawing;
GeoDo.RSS.Core.DrawEngine.CoordEnvelope coordEvp = rst.Envelope;
Envelope evp = null;
if (feature.Projected)
{
evp = new Envelope(coordEvp.MinX, coordEvp.MinY, coordEvp.MaxX, coordEvp.MaxY);
}
else
{
if (rst.DataProvider.DataIdentify != null && rst.DataProvider.DataIdentify.IsOrbit)
{
rst.DataProvider.OrbitProjectionTransformControl.Build();
}
GeoDo.RSS.Core.DrawEngine.ICoordinateTransform tran = _canvas.CoordTransform;
double geoX1, geoY1, geoX2, geoY2;
tran.Prj2Geo(coordEvp.MinX, coordEvp.MaxY, out geoX1, out geoY1);
tran.Prj2Geo(coordEvp.MaxX, coordEvp.MinY, out geoX2, out geoY2);
evp = new Envelope(geoX1, geoY2, geoX2, geoY1);
}
Size size = rst.Bitmap.Size;
using (IVectorAOIGenerator gen = new VectorAOIGenerator())
{
return(gen.GetAOI(new ShapePolygon[] { feature.Geometry as ShapePolygon }, evp, size));
}
}
public GeoDo.RSS.Core.DrawEngine.CoordEnvelope GetMinGeoRect()
{
IRasterDrawing rst = _canvas.PrimaryDrawObject as IRasterDrawing;
if (rst == null)
{
return(null);
}
GeoDo.RSS.Core.DrawEngine.CoordEnvelope retRect = GetGeoRect();
if (retRect == null)
{
return(null);
}
GeoDo.RSS.Core.DrawEngine.CoordEnvelope envelope = null;
GeoDo.RSS.Core.DrawEngine.ICoordinateTransform tran = _canvas.CoordTransform;
if (rst.DataProvider.CoordType == enumCoordType.GeoCoord)
{
envelope = new GeoDo.RSS.Core.DrawEngine.CoordEnvelope(rst.DataProvider.CoordEnvelope.MinX, rst.DataProvider.CoordEnvelope.MaxX,
rst.DataProvider.CoordEnvelope.MinY, rst.DataProvider.CoordEnvelope.MaxY);
}
else if (rst.DataProvider.CoordType == enumCoordType.PrjCoord)
{
double geoX1, geoY1, geoX2, geoY2;
tran.Prj2Geo(rst.DataProvider.CoordEnvelope.MinX, rst.DataProvider.CoordEnvelope.MaxY, out geoX1, out geoY1);
tran.Prj2Geo(rst.DataProvider.CoordEnvelope.MaxX, rst.DataProvider.CoordEnvelope.MinY, out geoX2, out geoY2);
envelope = new GeoDo.RSS.Core.DrawEngine.CoordEnvelope(geoX1, geoX2, geoY2, geoY1);
}
double minX = envelope.MinX > retRect.MinX ? envelope.MinX : retRect.MinX;
double maxX = envelope.MaxX < retRect.MaxX ? envelope.MaxX : retRect.MaxX;
double minY = envelope.MinY > retRect.MinY ? envelope.MinY : retRect.MinY;
double maxY = envelope.MaxY < retRect.MaxY ? envelope.MaxY : retRect.MaxY;
return(new Core.DrawEngine.CoordEnvelope(minX, maxX, minY, maxY));
}
//prj=>geo
void IProjectionTransform.InverTransform(ShapePoint pt)
{
double geoX, geoY;
_coordinateTranform.Prj2Geo(pt.X, pt.Y, out geoX, out geoY);
pt.X = geoX;
pt.Y = geoY;
}
private ShapePolygon ShapePolygonPrjToGeo(ShapePolygon shapePolygon)
{
if (shapePolygon == null)
{
return(null);
}
GeoDo.RSS.Core.DrawEngine.ICoordinateTransform tran = _canvas.CoordTransform;
double prjX;
double prjY;
int ringLength = shapePolygon.Rings.Length;
ShapeRing[] ring = new ShapeRing[ringLength];
int potsLength = 0;
for (int i = 0; i < ringLength; i++)
{
if (shapePolygon.Rings[i].Points == null)
{
continue;
}
potsLength = shapePolygon.Rings[i].Points.Length;
ShapePoint[] shpPoint = new ShapePoint[potsLength];
for (int j = 0; j < shapePolygon.Rings[i].Points.Length; j++)
{
tran.Prj2Geo(shapePolygon.Rings[i].Points[j].X, shapePolygon.Rings[i].Points[j].Y, out prjX, out prjY);
ShapePoint point = new ShapePoint(prjX, prjY);
shpPoint[j] = point;
}
ring[i] = new ShapeRing(shpPoint);
}
ShapePolygon prjSp = new ShapePolygon(ring);
return(prjSp);
}
private void TryExportIceLine(Feature[] features, string iceLineShpFileName)
{
double geoX, geoY = 0;
GeoDo.RSS.Core.DrawEngine.ICoordinateTransform tran = _canvas.CoordTransform;
List <Feature> fets = new List <Feature>();
int oid = 0;
foreach (Feature fet in features)
{
ShapePolyline line = fet.Geometry as ShapePolyline;
List <ShapeLineString> newLineStrings = new List <ShapeLineString>();
ShapeLineString newpart = null;
ShapePoint newPt = null;
ShapeLineString part = null;;
List <ShapePoint> newpts = new List <ShapePoint>();
for (int m = 0; m < line.Parts.Length; m++)
{
part = line.Parts[m];
for (int j = 0; j < part.Points.Length; j++)
{
ShapePoint sp = part.Points[j];
if (line.IsProjected)
{
tran.Prj2Geo(sp.X, sp.Y, out geoX, out geoY);
newPt = new ShapePoint(geoX, geoY);
}
else
{
newPt = new ShapePoint(sp.X, sp.Y);
}
newpts.Add(newPt);
}
newpart = new ShapeLineString(newpts.ToArray());
newLineStrings.Add(newpart);
}
ShapePolyline sply = new ShapePolyline(newLineStrings.ToArray());
string[] fieldvalue = new string[] { fet.FieldValues[0] };
Feature outFet = new Feature(oid, sply, new string[] { _fieldName }, fieldvalue, null);
oid++;
fets.Add(outFet);
}
TryExport2ShapeFile(fets.ToArray(), iceLineShpFileName, enumShapeType.Polyline);
}
