private ShapePolygon ShapePolygonGeoToPrj(ShapePolygon shapePolygon)
{
if (shapePolygon == null || shapePolygon.IsProjected)
{
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.Geo2Prj(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 ShapePolygon ShapePolygonPrjToGeo(GeoDo.Project.IProjectionTransform transform, ShapePolygon shapePolygon)
{
if (shapePolygon == null)
{
return(null);
}
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++)
{
//ShapePoint point = new ShapePoint(shapePolygon.Rings[i].Points[j].X, shapePolygon.Rings[i].Points[j].Y);
double[] x = new double[] { shapePolygon.Rings[i].Points[j].X };
double[] y = new double[] { shapePolygon.Rings[i].Points[j].Y };
transform.Transform(x, y);
shpPoint[j] = new ShapePoint(x[0], y[0]);;
}
ring[i] = new ShapeRing(shpPoint);
}
ShapePolygon prjSp = new ShapePolygon(ring);
return(prjSp);
}
private void TryExportPolygon(Feature[] features, string shpFileName)
{
EsriShapeFilesWriterII w = new EsriShapeFilesWriterII(shpFileName, enumShapeType.Polygon);
w.BeginWrite();
Feature feature = features[0];
string[] fieldNames = feature.FieldNames;
Feature[] retFeature = new Feature[features.Length];
for (int i = 0; i < features.Length; i++)
{
ShapePolygon ply = (features[i].Geometry as ShapePolygon).Clone() as ShapePolygon;
ShapeRing[] rings = ply.Rings;
ShapeRing[] newRings = new ShapeRing[rings.Length];
for (int j = 0; j < rings.Length; j++)
{
ShapePoint[] points = rings[j].Points;
ShapePoint[] newPoints = new ShapePoint[points.Length];
for (int p = 0; p < points.Length; p++)
{
double prjx = points[p].X;
double prjy = points[p].Y;
double geox, geoy;
_canvas.CoordTransform.Prj2Geo(prjx, prjy, out geox, out geoy);
newPoints[p] = new ShapePoint(geox, geoy);
}
newRings[j] = new ShapeRing(newPoints);
}
ShapePolygon newPly = new ShapePolygon(newRings);
Feature fet = new Feature(features[i].OID, newPly, fieldNames, features[i].FieldValues, null);
retFeature[i] = fet;
}
w.Write(retFeature);
w.EndWriter();
}
private ShapePolygon ShapePolygonGeoToPrj(IProjectionTransform transform, ShapePolygon shapePolygon)
{
if (shapePolygon == null || shapePolygon.IsProjected)
{
return(null);
}
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.Geo2Prj(shapePolygon.Rings[i].Points[j].X, shapePolygon.Rings[i].Points[j].Y, out prjX, out prjY);transform
//ShapePoint point = new ShapePoint(prjX, prjY);
//shpPoint[j] = point;
ShapePoint point = shapePolygon.Rings[i].Points[j];
transform.Transform(point);
shpPoint[j] = point;
}
ring[i] = new ShapeRing(shpPoint);
}
ShapePolygon prjSp = new ShapePolygon(ring);
return(prjSp);
}
//生成覆盖度矢量
private Feature[] CreateFeature(Envelope env, float xInterval, float yInterval, short[] data, Envelope dataEnv, Size dataSize)
{
int oid = 0;
List <Feature> features = new List <Feature>();
double leftTopX = env.MinX;
while (leftTopX < env.MaxX)
{
double leftTopY = env.MaxY;
while (leftTopY > env.MinY)
{
ShapeRing ring = new ShapeRing(
new ShapePoint[]
{
new ShapePoint(leftTopX, leftTopY),
new ShapePoint(leftTopX + xInterval, leftTopY),
new ShapePoint(leftTopX + xInterval, leftTopY - yInterval),
new ShapePoint(leftTopX, leftTopY - yInterval)
}
);
ShapePolygon sp = new ShapePolygon(new ShapeRing[] { ring });
int degree = CalcIceDegree(sp, data, dataEnv, dataSize);
Feature fet = new Feature(oid++, sp, new string[] { "覆盖度" }, new string[] { degree == 0 ? "" : degree.ToString() }, null);
features.Add(fet);
leftTopY -= yInterval;
}
leftTopX += xInterval;
}
return(features.ToArray());
}
private object DrToEnvelope(IDataReader dr, int idx)
{
ShapePolygon ply = _adapter.DrToShape(dr, idx) as ShapePolygon;
if (ply != null)
{
ShapeRing ring = ply.Rings[0];
return(new Envelope(ring.Points[0].X, ring.Points[2].Y, ring.Points[1].X, ring.Points[0].Y));
}
return(new Envelope());
}
private Feature GetFeature()
{
ShapePoint[] pts = new ShapePoint[]
{
new ShapePoint(116, 39),
new ShapePoint(117, 39),
new ShapePoint(117, 38),
new ShapePoint(116, 38)
};
ShapeRing ring = new ShapeRing(pts);
ShapePolygon ply = new ShapePolygon(new ShapeRing[] { ring });
Feature fet = new Feature(0, ply, null, null, null);
return(fet);
}
public static CodeCell.AgileMap.Core.Shape ToPolygon(ICanvas canvas, GeometryOfDrawed geometry)
{
if (canvas == null || geometry == null || geometry.RasterPoints == null || geometry.RasterPoints.Length == 0)
{
return(null);
}
int count = geometry.RasterPoints.Length;
List <ShapePoint> pts = new List <ShapePoint>(count);
double geoX = 0, geoY = 0;
for (int i = 0; i < count; i++)
{
canvas.CoordTransform.Raster2Geo((int)geometry.RasterPoints[i].Y, (int)geometry.RasterPoints[i].X, out geoX, out geoY);
pts.Add(new ShapePoint(geoX, geoY));
}
ShapeRing ring = new ShapeRing(pts.ToArray());
ShapePolygon ply = new ShapePolygon(new ShapeRing[] { ring });
return(ply);
}
private void UpdateBlock(PrjEnvelopeItem[] obj)
{
if (obj == null || obj.Length == 0)
{
return;
}
ShapeRing[] rings = new ShapeRing[obj.Length];
for (int i = 0; i < obj.Length; i++)
{
PrjEnvelope prjEnv = obj[i].PrjEnvelope;
rings[i] = new ShapeRing(
new ShapePoint[]
{
new ShapePoint(prjEnv.LeftTop.X, prjEnv.LeftTop.Y),
new ShapePoint(prjEnv.LeftTop.X, prjEnv.RightBottom.Y),
new ShapePoint(prjEnv.RightBottom.X, prjEnv.RightBottom.Y),
new ShapePoint(prjEnv.RightBottom.X, prjEnv.LeftTop.Y)
});
}
ShapePolygon sp = new ShapePolygon(rings);
_aoiObj.SetGeometry(sp);
}
