AE几何对象代码

workspaceEdit.StartEditOperation();
IFeatureBuffer featureBuffer = featureClass.CreateFeatureBuffer();
IFeatureCursor featureCursor;
IPoint ip4 = new PointClass();//左下角的点
double ip4X = pPoint.X - Xpianyi;
double ip4Y = pPoint.Y + Ypianyi;
path.AddSegment(segm,ref obj,ref obj);
//创建一个IGeometryCollection对象
IGeometryCollection polyline = new PolylineClass();
{
int i = 0;
ILayer layer = null;
//用来遍历axMapControl1中的所有图层
for (i = 0; i < yerCount; i++)
}
else if (flag == 4)
{//绘制面
}
}
//CreateLine方法主要是实现线画法的实现
private void CreateLine(IPoint Point1, IPoint Point2)
double ip2Y = pPoint.Y - Ypianyi;
ip2.PutCoords(ip2X, ip2Y);
addFeature("point", ip2);
IPoint ip3 = new PointClass();//右下角的点
{
IPoint pPoint = new PointClass();
if (flag == 1)
{//添加点
pPoint.PutCoords(e.mapX, e.mapY);
Point1.PutCoords(e.mapX, e.mapY);
}
else if (count == 2)
{
Point2 = new PointClass();
//axMapControl1.LoadMxFile(@"C:\Documents and Settings\Administrator\桌面\桌面垃圾文件\几何对象\点_线_面的绘制\bin\Debug\data\testdata.mxd");
}
private void axMapControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
double ip3X = pPoint.X + Xpianyi;
double ip3Y = pPoint.Y + Ypianyi;
ip3.PutCoords(ip3X, ip3Y);
addFeature("point", ip3);
namespace 点_线_面的绘制
{
public partial class Form1 : Form
{
int flag = 0;
IPoint Point1;
IPoint Point2;//在外面声明比较好，不用每次实例化
{
layer = axMapControl1.Map.get_Layer(i);
if (.ToLower() == layerName)
break;
{
//axMapControl1.LoadMxFile(Application.StartupPath + @"\data\testdata.mad");
axMapControl1.LoadMxFile(@"C:\Documents and Settings\Administrator\桌面\桌面垃圾文件\几何对象\点_线_面的绘制\bin\Debug\data\testdata.mxd");
count = count + 1;
if (count == 1)
{
Point1 = new PointClass();
ISegment segm = lline as ISegment;
//创建一个Path路径
object obj = Type.Missing;
ISegmentCollection path = new PathClass();
double Ypianyi = 6;
IPoint ip1 = new PointClass();//左上角的点
double ip1X = pPoint.X - Xpianyi;
double ip1Y = pPoint.Y - Ypianyi;
ip4.PutCoords(ip4X, ip4Y);
addFeature("point", ip4);
#endregion
}
else if (flag == 3)
{//添加线
layer = null;
}
if (layer == null)
{
MessageBox.Show("没有图层！");
return;
addFeature("polyline", ply1);
axMapControl1.Refresh();
}
//添加图层,使会的图在图层显示
private void addFeature(string layerName, IGeometry geometry)
pPoint.PutCoords(e.mapX, e.mapY); nt", pPoint);
double Xpianyi = 10;
}
IFeatureLayer featureLayer = layer as IFeatureLayer;
IFeatureClass featureClass = featureLayer.FeatureClass;
IDataset dataset = (IDataset)featureClass;
//开始插入新的实体对象
featureCursor = featureClass.Insert(true);
ip1.PutCoords(ip1X, ip1Y);
addFeature("point", ip1);//右上角的点
IPoint ip2 = new PointClass();//右上角的点
double ip2X = pPoint.X + Xpianyi;
Point2.PutCoords(e.mapX, e.mapY);
CreateLine(Point1, Point2);
count = 0;
}
{
//创建一个简单的线片段
ILine lline = new LineClass();
lline.PutCoords(Point1, Point2);
//创建一个ISegment对象片段
polyline.AddGeometry(path as IGeometry, ref obj, ref obj);
//生成IPolyline对象
IPolyline ply1 = polyline as IPolyline;
int count = 0;//必须放在外面，否则放在里面默认为0，不执行代码
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
addFeature("point", pPoint);
}
else if (flag ==2)
{//添加矩形点
#region 确定矩形点的坐标
IWorkspace workspace = dataset.Workspace;
//开始空间编辑
IWorkspaceEdit workspaceEdit = (IWorkspaceEdit)workspace;
workspaceEdit.StartEditing(true);