public void GetCentreCoordinate()
{
var coord = new SsbGrid(5000).GetGridCellLowerLeftCoordinate(21450006850000L);
Assert.AreEqual(147500, coord.X);
Assert.AreEqual(6850000, coord.Y);
}
public void GetPolygon()
{
Coordinate[] polygon = new SsbGrid(5000).GetPolygon(21450006850000L);
Assert.AreEqual("(147500, 6850000)", polygon[0].ToString());
Assert.AreEqual("(152500, 6850000)", polygon[1].ToString());
Assert.AreEqual("(152500, 6855000)", polygon[2].ToString());
Assert.AreEqual("(147500, 6855000)", polygon[3].ToString());
Assert.AreEqual("(147500, 6850000)", polygon[4].ToString());
}
public void BuildShape()
{
FeatureSet shp = new FeatureSet(FeatureType.Polygon);
var columns = shp.DataTable.Columns;
columns.Add(new DataColumn("SSBID", typeof(long)));
columns.Add(new DataColumn("RSIZE", typeof(long)));
columns.Add(new DataColumn("ROW", typeof(long)));
columns.Add(new DataColumn("COL", typeof(long)));
columns.Add(new DataColumn("XCOOR", typeof(long)));
columns.Add(new DataColumn("YCOOR", typeof(long)));
var gridSizeMeters = 500000;
var ssbGrid = new SsbGrid(gridSizeMeters);
var xMin = - -1000000.00;
var yMin = 5500000.00;
var xMax = 1120000;
var yMax = 7940000;
double x = xMin, y = yMin;
for (int row = 0; y < yMax; row++)
{
for (int col = 0; x < xMax; col++)
{
var lowerLeftCoordinate = new Coordinate(x, y);
Coordinate[] coords = ssbGrid.GetPolygon(lowerLeftCoordinate);
var feature = new Feature(FeatureType.Polygon, coords);
shp.Features.Add(feature);
feature.DataRow.BeginEdit();
feature.DataRow["SSBID"] = ssbGrid.GetCellId(lowerLeftCoordinate);
feature.DataRow["RSIZE"] = gridSizeMeters;
feature.DataRow["ROW"] = row;
feature.DataRow["COL"] = col;
feature.DataRow["XCOOR"] = lowerLeftCoordinate.X;
feature.DataRow["YCOOR"] = lowerLeftCoordinate.Y;
feature.DataRow.EndEdit();
x += gridSizeMeters;
}
y += gridSizeMeters;
x = xMin;
}
shp.SaveAs(@"c:\temp\test.shp", true);
}
public void GetCellId5000()
{
var id = new SsbGrid(5000).GetCellId(145996, 6851887);
Assert.AreEqual(21450006850000L, id);
}
