private void BuildGrid()
{
WebMercatorGrid grid = new WebMercatorGrid();
//
List <Coordinate> coordinates = new List <Coordinate>();
coordinates.Add(new Coordinate(109, 20));
coordinates.Add(new Coordinate(117.2, 25.6));
Bound bound = new Bound(coordinates);
//构建尺度6格网
for (int i = 10; i < 17; i++)
{
grid.Build(bound, i);
}
//shpfile路径
string shpPath = System.IO.Directory.GetCurrentDirectory() + @"\DATA\shp\china\guangdong.shp";
ShpReader shpReader = new ShpReader();
shpReader.Read(shpPath);
//
string outputDir = System.IO.Directory.GetCurrentDirectory() + @"\dataset";
grid.CutShape(shpReader.FeaureCollection, outputDir);
}
public static void Build()
{
_isRunning = true;
//1.搜索线
IShpReader lineReader = new ShpReader(_dir + @"\" + _lineName + ".shp");
WebMercatorGrid lineGrid = new WebMercatorGrid();
for (int i = _startLevel; i < _endLevel; i++)
{
lineGrid.Build(lineReader.Bounds, i);
}
//1.1线切片输出
lineGrid.CutShapeOrderByGrid(lineReader, _outDir + _lineName + @"\");
//2.搜索面
IShpReader polygonReader = new ShpReader(_dir + @"\" + _polygonName + ".shp");
WebMercatorGrid polygonGrid = new WebMercatorGrid();
for (int i = _startLevel; i < _endLevel; i++)
{
polygonGrid.Build(polygonReader.Bounds, i);
}
//2.1线切片输出
polygonGrid.CutShapeOrderByGrid(polygonReader, _outDir + _polygonName + @"\");
//3.搜索点
IShpReader pointReader = new ShpReader(_dir + @"\" + _ptName + ".shp");
WebMercatorGrid pointGrid = new WebMercatorGrid();
for (int i = _startLevel; i < _endLevel; i++)
{
pointGrid.Build(pointReader.Bounds, i);
}
//3.1线切片输出
pointGrid.CutShapeOrderByGrid(pointReader, _outDir + _ptName + @"\");
_isRunning = false;
}