void addLayer(Tn tn)
{
var ext = tn.file.Substring(tn.file.LastIndexOf("."));
object lay = null;
if (ext == ".shp")
{
var shp = new Shapefile();
shp.Open(tn.file);
lay = shp;
tn.tp = 3;
tn.extents = shp.Extents;
tn.Fields = new List <ShpLayer.Field>();
for (var f = 0; f < shp.NumFields; f++)
{
var fe = shp.Field[f];
tn.Fields.Add(new ShpLayer.Field()
{
Name = fe.Name, Length = fe.Width, Type = fe.Type.ToString("G")
});
}
tn.Shapges = new List <ShpLayer.Shape>();
for (var i = 0; i < shp.NumShapes; i++)
{
showtip("正在加载文件：" + tn.file + " " + i + "/" + shp.NumShapes);
var sp = shp.Shape[i];
var spe = new ShpLayer.Shape();
spe.Tp = (byte)sp.ShapeType;
spe.Extent = new Extend(sp.Extents.xMin, sp.Extents.yMin, sp.Extents.xMax, sp.Extents.yMax);
var data = new Dictionary <string, string>();
for (var f = 0; f < shp.NumFields; f++)
{
data.Add(shp.Field[f].Name, shp.Table.CellValue[f, i] + "");
}
spe.Data = data;
for (var j = 0; j < sp.NumParts; j++)
{
spe.Points.Add(j, getPoints(sp.PartAsShape[j]));
}
tn.Shapges.Add(spe);
}
}
else
{
var img = new MapWinGIS.Image();
img.Open(tn.file);
var r = false;
img.SetNoDataValue(0, ref r);
lay = img;
tn.tp = 2;
tn.extents = img.Extents;
}
tn.inptr = map1.AddLayer(lay, true);
showtip("文件：" + tn.file + " 加载完成");
}