/// <summary>
/// Фомирует <see cref="SqlGeometry" /> по <see cref="GeometryZoomedPixelsInfo" />
/// </summary>
/// <param name="pixelData"></param>
/// <returns></returns>
private SqlGeometry CreateGeometryFromZoomedPixelInfo(GeometryZoomedPixelsInfo pixelData)
{
Point point;
int geomnum, c, i;
//Point[] points;
var builder = new SqlGeometryBuilder();
builder.SetSrid(0);
OpenGisGeometryType type = pixelData.ShapeType;
switch (type)
{
case OpenGisGeometryType.Point:
builder.BeginGeometry(OpenGisGeometryType.Point);
point = pixelData.Points[0][0].PixelCoordList[0];
builder.BeginFigure(point.X, point.Y);
builder.EndFigure();
builder.EndGeometry();
break;
case OpenGisGeometryType.MultiPoint:
builder.BeginGeometry(OpenGisGeometryType.MultiPoint);
geomnum = pixelData.Points.Count;
for (i = 0; i < geomnum; i++)
{
builder.BeginGeometry(OpenGisGeometryType.Point);
point = pixelData.Points[i][0].PixelCoordList[0];
builder.BeginFigure(point.X, point.Y);
builder.EndFigure();
builder.EndGeometry();
}
builder.EndGeometry();
break;
case OpenGisGeometryType.LineString:
builder.BeginGeometry(OpenGisGeometryType.LineString);
AddFigurePoints(builder, pixelData.Points[0][0].PixelCoordList);
builder.EndGeometry();
break;
case OpenGisGeometryType.MultiLineString:
geomnum = pixelData.Points.Count;
builder.BeginGeometry(OpenGisGeometryType.MultiLineString);
for (c = 0; c < geomnum; c++)
{
builder.BeginGeometry(OpenGisGeometryType.LineString);
AddFigurePoints(builder, pixelData.Points[c][0].PixelCoordList);
builder.EndGeometry();
}
builder.EndGeometry();
break;
case OpenGisGeometryType.Polygon:
builder.BeginGeometry(OpenGisGeometryType.Polygon);
AddRings(builder, pixelData.Points[0]);
builder.EndGeometry();
break;
case OpenGisGeometryType.MultiPolygon:
geomnum = pixelData.Points.Count;
builder.BeginGeometry(OpenGisGeometryType.MultiPolygon);
for (i = 0; i < geomnum; i++)
{
builder.BeginGeometry(OpenGisGeometryType.Polygon);
AddRings(builder, pixelData.Points[i]);
builder.EndGeometry();
}
builder.EndGeometry();
break;
case OpenGisGeometryType.GeometryCollection:
break;
}
SqlGeometry result = builder.ConstructedGeometry;
if (result.STIsValid()) return result;
else return result.MakeValid();
}
private GeometryZoomedPixelsInfo ConvertToGeometryZoomedPixelsInfo(GeometryInstanceInfo info, int zoom)
{
var result = new GeometryZoomedPixelsInfo();
var pixelCoordsListList = new List<List<GeometryPixelCoords>>();
var geomPixCoordsList = new List<GeometryPixelCoords>();
var coords = new GeometryPixelCoords {InnerRing = false};
OpenGisGeometryType type = info.ShapeType;
result.ShapeType = type;
switch (type)
{
case OpenGisGeometryType.Point:
PointF[] geopoints = info.Points[0][0].PointList;
coords.PixelCoordList = new[]
{
new Point
{
X = _conv.FromLongitudeToXPixel(geopoints[0].X, zoom),
Y = _conv.FromLatitudeToYPixel(geopoints[0].Y, zoom)
}
};
geomPixCoordsList.Add(coords);
pixelCoordsListList.Add(geomPixCoordsList);
break;
case OpenGisGeometryType.LineString:
coords.PixelCoordList = GetPixelCoords(info.Points[0][0].PointList, zoom);
geomPixCoordsList.Add(coords);
pixelCoordsListList.Add(geomPixCoordsList);
break;
case OpenGisGeometryType.Polygon:
foreach (var list in info.Points)
foreach (GeometryPointSequence pointseq in list)
{
coords.PixelCoordList = GetPixelCoords(pointseq.PointList, zoom);
coords.InnerRing = pointseq.InnerRing;
geomPixCoordsList.Add(coords);
}
pixelCoordsListList.Add(geomPixCoordsList);
break;
case OpenGisGeometryType.MultiPoint:
case OpenGisGeometryType.MultiLineString:
case OpenGisGeometryType.MultiPolygon:
pixelCoordsListList = GetGeometryPixelcoords(info.Points, zoom);
break;
case OpenGisGeometryType.GeometryCollection:
GeometryInstanceInfo[] geomColl = info.GeometryInstanceInfoCollection;
int n = info.GeometryInstanceInfoCollection.Length;
var geomPixZoomInfoCollection = new GeometryZoomedPixelsInfo[n];
for (int i = 0; i < n; i++)
{
var geom = new GeometryZoomedPixelsInfo
{
ShapeType = geomColl[i].ShapeType,
Points = GetGeometryPixelcoords(geomColl[i].Points, zoom)
};
geomPixZoomInfoCollection[i] = geom;
}
result.GeometryInstanceInfoCollection = geomPixZoomInfoCollection;
break;
}
if (type != OpenGisGeometryType.GeometryCollection) result.Points = pixelCoordsListList;
return result;
}
/// <summary>
/// Converts to degree coordinates to pixels
/// Shifts to tile with position numbers equals to zero
/// </summary>
/// <param name="info"></param>
/// <param name="zoom"></param>
/// <param name="x"></param>
/// <param name="y"></param>
/// <returns></returns>
private GeometryZoomedPixelsInfo ConvertToGeometryZoomedPixelsZeroTileShiftedInfo(GeometryInstanceInfo info,
int zoom, int x, int y)
{
int tilezeroshiftX = x*TILE_SIZE;
int tilezeroshiftY = y*TILE_SIZE;
var result = new GeometryZoomedPixelsInfo();
var pixelCoordsListList = new List<List<GeometryPixelCoords>>();
var geomPixCoordsList = new List<GeometryPixelCoords>();
var coords = new GeometryPixelCoords {InnerRing = false};
OpenGisGeometryType type = info.ShapeType;
result.ShapeType = type;
switch (type)
{
case OpenGisGeometryType.Point:
PointF[] geopoints = info.Points[0][0].PointList;
coords.PixelCoordList = new[]
{
new Point
{
X = _conv.FromLongitudeToXPixel(geopoints[0].X, zoom) - tilezeroshiftX,
Y = _conv.FromLatitudeToYPixel(geopoints[0].Y, zoom) - tilezeroshiftY
}
};
geomPixCoordsList.Add(coords);
pixelCoordsListList.Add(geomPixCoordsList);
break;
case OpenGisGeometryType.LineString:
coords.PixelCoordList = GetPixelCoordsShifted(info.Points[0][0].PointList, zoom, tilezeroshiftX,
tilezeroshiftY);
geomPixCoordsList.Add(coords);
pixelCoordsListList.Add(geomPixCoordsList);
break;
case OpenGisGeometryType.Polygon:
foreach (var list in info.Points)
foreach (GeometryPointSequence pointseq in list)
{
coords.PixelCoordList = GetPixelCoordsShifted(pointseq.PointList, zoom, tilezeroshiftX,
tilezeroshiftY);
coords.InnerRing = pointseq.InnerRing;
geomPixCoordsList.Add(coords);
}
pixelCoordsListList.Add(geomPixCoordsList);
break;
case OpenGisGeometryType.MultiPoint:
case OpenGisGeometryType.MultiLineString:
case OpenGisGeometryType.MultiPolygon:
pixelCoordsListList = GetGeometryPixelCoordsShifted(info.Points, zoom, tilezeroshiftX,
tilezeroshiftY);
break;
case OpenGisGeometryType.GeometryCollection:
GeometryInstanceInfo[] geomColl = info.GeometryInstanceInfoCollection;
int n = info.GeometryInstanceInfoCollection.Length;
var geomPixZoomInfoCollection = new GeometryZoomedPixelsInfo[n];
for (int i = 0; i < n; i++)
{
var geom = new GeometryZoomedPixelsInfo();
geom.ShapeType = geomColl[i].ShapeType;
geom.Points = GetGeometryPixelCoordsShifted(geomColl[i].Points, zoom, tilezeroshiftX,
tilezeroshiftY);
geomPixZoomInfoCollection[i] = geom;
}
result.GeometryInstanceInfoCollection = geomPixZoomInfoCollection;
break;
}
if (type != OpenGisGeometryType.GeometryCollection) result.Points = pixelCoordsListList;
return result;
}
/// <summary>
/// Фомирует <see cref="SqlGeometry" /> по <see cref="GeometryZoomedPixelsInfo" />
/// </summary>
/// <param name="pixelData"></param>
/// <returns></returns>
private SqlGeometry CreateGeometryFromZoomedPixelInfo(GeometryZoomedPixelsInfo pixelData)
{
Point point;
int geomnum, c, i;
//Point[] points;
var builder = new SqlGeometryBuilder();
builder.SetSrid(0);
OpenGisGeometryType type = pixelData.ShapeType;
switch (type)
{
case OpenGisGeometryType.Point:
builder.BeginGeometry(OpenGisGeometryType.Point);
point = pixelData.Points[0][0].PixelCoordList[0];
builder.BeginFigure(point.X, point.Y);
builder.EndFigure();
builder.EndGeometry();
break;
case OpenGisGeometryType.MultiPoint:
builder.BeginGeometry(OpenGisGeometryType.MultiPoint);
geomnum = pixelData.Points.Count;
for (i = 0; i < geomnum; i++)
{
builder.BeginGeometry(OpenGisGeometryType.Point);
point = pixelData.Points[i][0].PixelCoordList[0];
builder.BeginFigure(point.X, point.Y);
builder.EndFigure();
builder.EndGeometry();
}
builder.EndGeometry();
break;
case OpenGisGeometryType.LineString:
builder.BeginGeometry(OpenGisGeometryType.LineString);
AddFigurePoints(builder, pixelData.Points[0][0].PixelCoordList);
builder.EndGeometry();
break;
case OpenGisGeometryType.MultiLineString:
geomnum = pixelData.Points.Count;
builder.BeginGeometry(OpenGisGeometryType.MultiLineString);
for (c = 0; c < geomnum; c++)
{
builder.BeginGeometry(OpenGisGeometryType.LineString);
AddFigurePoints(builder, pixelData.Points[c][0].PixelCoordList);
builder.EndGeometry();
}
builder.EndGeometry();
break;
case OpenGisGeometryType.Polygon:
builder.BeginGeometry(OpenGisGeometryType.Polygon);
AddRings(builder, pixelData.Points[0]);
builder.EndGeometry();
break;
case OpenGisGeometryType.MultiPolygon:
geomnum = pixelData.Points.Count;
builder.BeginGeometry(OpenGisGeometryType.MultiPolygon);
for (i = 0; i < geomnum; i++)
{
builder.BeginGeometry(OpenGisGeometryType.Polygon);
AddRings(builder, pixelData.Points[i]);
builder.EndGeometry();
}
builder.EndGeometry();
break;
case OpenGisGeometryType.GeometryCollection:
break;
}
SqlGeometry result = builder.ConstructedGeometry;
if (result.STIsValid()) return result;
else return result.MakeValid();
}
