/*public bool Execute(double start ,double space) {
* LineF.DataTable.Columns.Add("Value", typeof(double));
* MapLineLayer ml = (MapLineLayer)map.Layers.Add(LineF);
* /*MapLabelLayer labelLayer = new MapLabelLayer();
* ILabelCategory category = labelLayer.Symbology.Categories[0];
* category.Expression = "[Value]";
* category.SelectionSymbolizer.BackColorEnabled = true;
* category.Symbolizer.BorderVisible = false;
* category.Symbolizer.BackColor = Color.FromArgb(128, Color.LightBlue); ;
* category.Symbolizer.FontStyle = FontStyle.Regular;
* category.Symbolizer.FontColor = Color.Black;
* category.Symbolizer.FontSize = 8.5f;
* category.Symbolizer.Orientation = ContentAlignment.MiddleCenter;
* category.Symbolizer.Alignment = StringAlignment.Center;
* ml.ShowLabels = true;
* ml.LabelLayer = labelLayer;
* LineSymbolizer symbol = new LineSymbolizer(Color.Black, 2);
* ml.Symbolizer = symbol;
* ml.LegendText = "test_isoLine";
*
* List<Tin_Point> tin_Points = new List<Tin_Point>();
* tin_Points.Add(new Tin_Point(572561.497857, 3078751.00159, 11.8, 1));
* tin_Points.Add(new Tin_Point(970365.002389, 3031211.249, 12.3, 2));
* tin_Points.Add(new Tin_Point(626125.750737, 2974587.498, 22, 3));
* tin_Points.Add(new Tin_Point(1011572.07339, 2913623.49696, 21, 4));
* tin_Points.Add(new Tin_Point(922526.062753, 2894449.74788, 19, 5));
* tin_Points.Add(new Tin_Point(491210.876499, 2860727.9972, 17.7, 6));
* tin_Points.Add(new Tin_Point(986676.942363, 2828322.24684, 16, 7));
* tin_Points.Add(new Tin_Point(628325.875511, 2828106.99668, 23, 8));
* tin_Points.Add(new Tin_Point(518668.440134, 2778797.99885, 22, 9));
* tin_Points.Add(new Tin_Point(878961.377011, 2777357.74535, 25, 10));
* tin_Points.Add(new Tin_Point(759651.063273, 2771206.25014, 13.6, 11));
* tin_Points.Add(new Tin_Point(460062.560062, 2705433.24783, 18, 12));//18
* tin_Points.Add(new Tin_Point(862951.066087, 2697174.99834, 24, 13));
* tin_Points.Add(new Tin_Point(408326.283205, 2666913.24635, 16, 14));
* tin_Points.Add(new Tin_Point(384889.188632, 2658932.49923, 23, 15));
* tin_Points.Add(new Tin_Point(610997.4361, 2641258.00046, 21, 16));
* tin_Points.Add(new Tin_Point(1042075.00856, 2595949.24905, 18, 17));
* tin_Points.Add(new Tin_Point(929238.438265, 2590020.00052, 19, 18));
* tin_Points.Add(new Tin_Point(708181.56137, 2524888.74999, 22.3, 19));
* tin_Points.Add(new Tin_Point(685935.251121, 2437299.24516, 18, 20));
* Delaunay delaunay = new Delaunay();
* List<Triangle> triangles = new List<Triangle>();
* triangles = delaunay.ConstructionDelaunay(tin_Points);
* Trace trace = new Trace();
* List<List<Tin_Point>> line_list = new List<List<Tin_Point>>();//多条等值线
* line_list = trace.MyTrace(triangles, tin_Points, space, start);
* PolishLine pl = new PolishLine(map, LineF, trace);
* Console.WriteLine("等值线的条数为:" + line_list.Count);
* foreach (var lines in line_list)
* {
* if (lines == null)
* break;
* //if(lines[0].Value)
* List<List<Tin_Point>> tp = null;
* if (lines[0].Value - (int)lines[0].Value > 0)//value为特殊值，后面有小数
* {
* tp = pl.ClassifyLine(lines, true);
* }
* else
* {
* tp = pl.ClassifyLine(lines, false);
* }
* foreach (var p in tp)
* {
* pl.SelectLine(p);
* }
* }
* map.ResetBuffer();
* return true;
* return true;
* }*/
public bool Execute(IFeatureSet input, String zField, double start, double space)
{
LineF.DataTable.Columns.Add("Value", typeof(double));
MapLineLayer ml = (MapLineLayer)map.Layers.Add(LineF);
/*
* MapLabelLayer labelLayer = new MapLabelLayer();
* ILabelCategory category = labelLayer.Symbology.Categories[0];
* category.Expression = "[Value]";
* category.SelectionSymbolizer.BackColorEnabled = true;
* category.Symbolizer.BorderVisible = false;
* category.Symbolizer.BackColor = Color.FromArgb(128, Color.LightBlue); ;
* category.Symbolizer.FontStyle = FontStyle.Regular;
* category.Symbolizer.FontColor = Color.Black;
* category.Symbolizer.FontSize = 8.5f;
* category.Symbolizer.Orientation = ContentAlignment.MiddleCenter;
* category.Symbolizer.Alignment = StringAlignment.Center;
* ml.ShowLabels = true;
* ml.LabelLayer = labelLayer;
* LineSymbolizer symbol = new LineSymbolizer(Color.Black, 2);
* ml.Symbolizer = symbol;
*/
string[] inputname = input.Filename.Split('\\');
inputname = inputname[inputname.Length - 1].Split('.');
ml.LegendText = inputname[0] + "_isoLine";
List <Tin_Point> tin_Points = new List <Tin_Point>();
for (int i = 0; i < input.Features.Count; i++)
{
tin_Points.Add(new Tin_Point(input.Features[i].BasicGeometry.Coordinates[0].X, input.Features[i].BasicGeometry.Coordinates[0].Y, Convert.ToDouble(input.Features[i].DataRow[zField]), i));
}
Delaunay delaunay = new Delaunay();
List <Triangle> triangles = new List <Triangle>();
triangles = delaunay.ConstructionDelaunay(tin_Points);
Trace trace = new Trace();
List <List <Tin_Point> > line_list = new List <List <Tin_Point> >();//多条等值线
line_list = trace.MyTrace(triangles, tin_Points, space, start);
PolishLine pl = new PolishLine(map, LineF, trace);
Console.WriteLine("等值线的条数为:" + line_list.Count);
foreach (var lines in line_list)
{
if (lines == null)
{
break;
}
//if(lines[0].Value)
List <List <Tin_Point> > tp = null;
if (lines[0].Value - (int)lines[0].Value > 0)//value为特殊值，后面有小数
{
tp = pl.ClassifyLine(lines, true);
}
else
{
tp = pl.ClassifyLine(lines, false);
}
foreach (var p in tp)
{
pl.SelectLine(p);
}
}
map.ResetBuffer();
return(true);
}