/// <summary>
/// 向数据库添加点数据
/// </summary>
public static bool ImportSFCLSData(DataTable dataTable, string className)
{
DataBase gdb = DataBase.OpenByURL("GDBP://MapGisLocal/Templates");
//打开简单要素类
SFeatureCls sfcls = gdb.GetXClass(XClsType.SFCls) as SFeatureCls;
bool op = sfcls.Open(className, 0);
GeoPoints pnts = null;
Dot3D newdot = new Dot3D();
//PntInfo pntInfo = new PntInfo();
int i = 0;
foreach (DataRow dr in dataTable.Rows)
{
double.TryParse(dr["x 坐标"].ToString(), out double x);
double.TryParse(dr["y 坐标"].ToString(), out double y);
//点要素坐标
newdot.X = y;
newdot.Y = x;
newdot.Z = 0;
pnts = new GeoPoints();
pnts.Append(newdot);
Record rcd = new Record();
Fields Flds = sfcls.Fields;
if (Flds == null)
{
return(false);
}
PntInfo pntInfo = new PntInfo();
//点参数
pntInfo.LibID = 0;
pntInfo.SymID = 1;
pntInfo.Width = 10;
pntInfo.Height = 10;
rcd.Fields = Flds;
//设置属性字段的值
rcd.set_FldVal(1, (i++).ToString());
rcd.set_FldVal(2, dr["车牌"].ToString());
string time = dr["时间"].ToString().Replace('T', ' ');
rcd.set_FldVal(3, time);
rcd.set_FldVal(4, time);
rcd.set_FldVal(5, x);
rcd.set_FldVal(6, y);
//添加点要素
long oid = sfcls.Append(pnts, rcd, pntInfo);
}
Debug.WriteLine("Done.");
return(true);
}
public void DefineMatrix(Dot3D middle)
{
var sign = middle.X * A + middle.Y * B + middle.LocalZ * C + D;
if (sign < 0)
{
A = 0 - A;
B = 0 - B;
C = 0 - C;
D = 0 - D;
}
}
static void Main()
{
Dot2D dot2D_1 = new Dot2D();
dot2D_1.ShowCoordinates();
Dot2D dot2D_2 = new Dot2D(2, -5);
dot2D_2.ShowCoordinates();
Dot3D dot3D_1 = new Dot3D();
dot3D_1.ShowCoordinates();
Dot2D dot3D_2 = new Dot3D(7, -2.5, -3.6);
dot3D_2.ShowCoordinates();
}
public Cube3D InstantiateFromOppositeVertices(Dot3D a, Dot3D b)
{
throw new System.NotImplementedException();
}
public bool ShouldBeDraw(float source, Dot3D point)
{
var sign = point.X * A + point.Y * B + (point.LocalZ - source) * C;
return(sign >= 0);
}
