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GeometryOperator.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data;
using ESRI.ArcGIS.Geometry;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Carto;
using ESRI.ArcGIS.Controls;
using ESRI.ArcGIS.ADF;
using ESRI.ArcGIS.SystemUI;
using ESRI.ArcGIS.Display;
using ESRI.ArcGIS.Output;
using ESRI.ArcGIS.Geodatabase;
using ESRI.ArcGIS.DataSourcesFile;
using ESRI.ArcGIS.DataSourcesGDB;
using ESRI.ArcGIS.Analyst3D;
using CSProject;
namespace MapControlApplication1
{
public class GeometryOperator
{
//===成员变量的声明================
public IMap m_map;
public MainForm m_form;
IPointCollection pointCollection;
IGraphicsContainer pGraphicsContainer;
//传入当前地图对象
public GeometryOperator(IMap map,MainForm form)
{
m_map = map; //map相当于一个mxd文件，其中包含许多的shp
m_form = form;
}
public void ShowGeometry(IGeometry geometry)
{
//强制转换，将Geometry对象转化为pointCollection
pointCollection = (Polygon)geometry;
DataTable dataTable = new DataTable();
DataColumn dataColumn = new DataColumn();
//===创建一个有三列的表格====================
dataColumn = new DataColumn();
dataColumn.ColumnName = "number";//设置第一列，表示用户指定的列名
dataColumn.DataType = System.Type.GetType("System.String");
dataColumn.ReadOnly = true; //第一列无法修改
dataTable.Columns.Add(dataColumn);
dataColumn = new DataColumn();
dataColumn.ColumnName = "X";//设置第二列为在目标图层类作为分类标准的属性
dataColumn.DataType = System.Type.GetType("System.String");
dataTable.Columns.Add(dataColumn);
dataColumn = new DataColumn();
dataColumn.ColumnName = "Y";//设置第三列为在目标图层类作为分类标准的属性
dataColumn.DataType = System.Type.GetType("System.String");
dataTable.Columns.Add(dataColumn);
//提供一个图形的容器
pGraphicsContainer = m_map as IGraphicsContainer;//只在本函数
DataRow dataRow;
for (int i = 0; i < pointCollection.PointCount; i++)
{
dataRow = dataTable.NewRow();
dataRow[0] = i+1;
dataRow[1] = Math.Round(pointCollection.Point[i].X,3);
dataRow[2] = Math.Round(pointCollection.Point[i].Y,3);//将统计结果添加到第三列
dataTable.Rows.Add(dataRow);
/*IElement pElement = new MarkerElementClass();
pElement.Geometry = pointCollection.Point[i];
pGraphicsContainer.AddElement(pElement, 0);//0 represents z-order */
//确定Element对象，并将对象加载到pGraphicsContainer中
IMarkerSymbol markerSymbol = new SimpleMarker3DSymbolClass();
//markerSymbol的类型和分辨率
((ISimpleMarker3DSymbol)markerSymbol).Style = esriSimple3DMarkerStyle.esriS3DMSSphere;
((ISimpleMarker3DSymbol)markerSymbol).ResolutionQuality = 1.0;
//markerSymbol的颜色和大小
IRgbColor color = new RgbColorClass();
color.Red = 255;
color.Green = 0;
color.Blue = 0;
markerSymbol.Size = 5;
markerSymbol.Color = color as IColor;
IElement pElement = new MarkerElementClass();
((IMarkerElement)pElement).Symbol = markerSymbol;
pElement.Geometry = pointCollection.Point[i];
pGraphicsContainer.AddElement(pElement, 0);
}
DataBoard dataBoard = new DataBoard("Position", dataTable,this,pointCollection.PointCount);
dataBoard.Show();
m_form.setButton_miShowTime(false);
}
public void HighLight(int row)
{
DataOperator dataoperator = new DataOperator(m_map);
IMarkerSymbol markerSymbol = new SimpleMarker3DSymbolClass();
//markerSymbol的类型和分辨率
((ISimpleMarker3DSymbol)markerSymbol).Style = esriSimple3DMarkerStyle.esriS3DMSSphere;
((ISimpleMarker3DSymbol)markerSymbol).ResolutionQuality = 1.0;
//markerSymbol的颜色和大小
IRgbColor color = new RgbColorClass();
color.Red = 250;
color.Green = 230;
color.Blue = 20;
markerSymbol.Size = 8;
markerSymbol.Color = color as IColor;
// 将showElement对象赋予markerSymbol的属性
IElement showElement = new MarkerElementClass();
((IMarkerElement)showElement).Symbol = markerSymbol;
showElement.Geometry = pointCollection.Point[row];
//在绘制前，清楚图像容器内的所有Elements
pGraphicsContainer.DeleteAllElements();//通过name删除
//为了使点在上面，先显示polygon
IGeometry polygon = pointCollection as IGeometry;
IPolygonElement polygonElement = new PolygonElementClass();
IElement polyElement = polygonElement as IElement;
polyElement.Geometry = polygon;
pGraphicsContainer.AddElement((IElement)polygonElement, 0);
//绘制高亮显示的点
pGraphicsContainer.AddElement((IElement)showElement, 0);
//重新绘制除了高亮点外的构造点
for (int i = 0; (i < pointCollection.PointCount); i++)
{
if (i != row)
{
IRgbColor color3 = new RgbColorClass(); //如果出现重复 将函数独立出来
color3.Red = 255;
color3.Green = 0;
color3.Blue = 0;
markerSymbol.Size = 5;
markerSymbol.Color = color3 ;
IElement pElement = new MarkerElementClass();
((IMarkerElement)pElement).Symbol = markerSymbol;
pElement.Geometry = pointCollection.Point[i];
pGraphicsContainer.AddElement(pElement, 0);
/*IElement pElement=new MarkerElementClass();
pElement.Geometry = pointCollection.Point[i];
pGraphicsContainer.AddElement(pElement, 0);*/
}
}
m_form.axMapControl1.ActiveView.Refresh();//partialrefresh
}
public void Update(double newvalue, int row, int column)//x,y一起修改
{
IPoint ipoint = (IPoint)pointCollection.Point[row];
switch (column)
{
case 0:
break;
case 1:
ipoint.X = newvalue;
break;
case 2:
ipoint.Y = newvalue;
break;
}
//对于pointCollection进行修改
pointCollection.UpdatePoint(row, ipoint);
//清空图像容器
pGraphicsContainer.DeleteAllElements();
IGeometry polygon = pointCollection as IGeometry;
IPolygonElement polygonElement = new PolygonElementClass();
IElement polyElement = polygonElement as IElement;
polyElement.Geometry = polygon;
pGraphicsContainer.AddElement((IElement)polygonElement, 0);
m_form.axMapControl1.ActiveView.Refresh();
for (int i = 0; i < pointCollection.PointCount; i++)
{
IMarkerSymbol markerSymbol = new SimpleMarker3DSymbolClass();
//markerSymbol的类型和分辨率
((ISimpleMarker3DSymbol)markerSymbol).Style = esriSimple3DMarkerStyle.esriS3DMSSphere;
((ISimpleMarker3DSymbol)markerSymbol).ResolutionQuality = 1.0;
//markerSymbol的颜色和大小
IRgbColor color = new RgbColorClass();
color.Red = 255;
color.Green = 0;
color.Blue = 0;
markerSymbol.Size = 5;
markerSymbol.Color = color as IColor;
IElement pElement = new MarkerElementClass();
((IMarkerElement)pElement).Symbol = markerSymbol;
pElement.Geometry = pointCollection.Point[i];
pGraphicsContainer.AddElement(pElement, 0);
/*IElement pElement=new MarkerElementClass();
pElement.Geometry = pointCollection.Point[i];
pGraphicsContainer.AddElement(pElement, 0);*/
}
m_form.axMapControl1.ActiveView.Refresh();
}
public void EndShow()
{
pGraphicsContainer.DeleteAllElements();
IGeometry polygon = pointCollection as IGeometry;
IPolygonElement polygonElement = new PolygonElementClass();
IElement polyElement = polygonElement as IElement;
polyElement.Geometry = polygon;
pGraphicsContainer.AddElement((IElement)polygonElement, 0);
m_form.axMapControl1.ActiveView.Refresh();
}
}
}