/// <summary>
///添加点图层
/// </summary>
/// <param name="axMap"></param>
/// <param name="longtitude"></param>
/// <param name="latitude"></param>
/// <param name="fieldsMap"></param>
public static IFeature addPointInLayer(AxMapControl axMap, SharedStory story)
{
try
{
double longitude = Convert.ToDouble(story.Longitude);
double latitude = Convert.ToDouble(story.Latitude);
String storyId = story.Id;
String message = story.Message;
ILayer layer = getLayerByName(axMap.Map, "story");
//将ILayer转换为IFeaturelayer，为了对图层上的要素进行编辑
IFeatureLayer featureLayer = layer as IFeatureLayer;
//定义一个要素集合，并获取图层的要素集合
IFeatureClass featureClass = featureLayer.FeatureClass;
//定义一个实现新增要素的接口实例，并该实例作用于当前图层的要素集
IFeatureClassWrite writer = (IFeatureClassWrite)featureClass;
//定义一个工作编辑工作空间，用于开启前图层的编辑状态
IWorkspaceEdit edit = (featureClass as IDataset).Workspace as IWorkspaceEdit;
//定义一个IFeature实例，用于添加到当前图层上
IFeature feature;
//开启编辑状态
edit.StartEditing(true);
//开启编辑操作
edit.StartEditOperation();
//定义一个点，用来作为IFeature实例的形状属性，即shape属性
IPoint point;
//下面是设置点的坐标和参考系
point = new PointClass();
point.SpatialReference = axMap.SpatialReference;
point.X = longitude;
point.Y = latitude;
//将IPoint设置为IFeature的shape属性时，需要通过中间接口IGeometry转换
IGeometry geometry = point;
//实例化IFeature对象， 这样IFeature对象就具有当前图层上要素的字段信息
feature = featureClass.CreateFeature();
//设置IFeature对象的形状属性
feature.Shape = geometry;
//添加字段
int index = featureClass.FindField("story_id");
feature.Value[index] = storyId;
feature.Store(); //保存IFeature对象
writer.WriteFeature(feature); //将IFeature对象，添加到当前图层上
edit.StopEditOperation(); //停止编辑操作
edit.StopEditing(true); //关闭编辑状态，并保存修改
axMap.Refresh(); //刷新地图
return(feature);
}
catch
{
return(null);
}
}
public void AddPolygonByWrite(AxMapControl axMapControl1, IFeatureLayer l, double x, double y)
{
ESRI.ArcGIS.Geometry.esriGeometryType featype = l.FeatureClass.ShapeType;
if (featype == esriGeometryType.esriGeometryPolygon)//判断层是否为线层
{
//IFeatureLayer l = MapCtr.Map.get_Layer(0) as IFeatureLayer;
IFeatureClass fc = l.FeatureClass;
IFeatureClassWrite fr = fc as IFeatureClassWrite;
IWorkspaceEdit w = (fc as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
//可选参数的设置
object Missing = Type.Missing;
IPoint p = new PointClass();
w.StartEditing(true);
w.StartEditOperation();
f = fc.CreateFeature();
//定义一个多义线对象
IRgbColor color = new RgbColor();
// 设置颜色属性
color.Red = 255;
color.Transparency = 255;
IGeometry iGeom = axMapControl1.TrackPolygon();
AddRegion(axMapControl1, iGeom);
f.Shape = iGeom;
fr.WriteFeature(f);
w.StopEditOperation();
w.StopEditing(true);
}
}
public void AddPointByWrite(IFeatureLayer l, double x, double y)
{
ESRI.ArcGIS.Geometry.esriGeometryType featype = l.FeatureClass.ShapeType;
if (featype == esriGeometryType.esriGeometryPoint)//判断层是否为点层
{
// IFeatureLayer l = MapCtr.Map.get_Layer(0) as IFeatureLayer;
IFeatureClass fc = l.FeatureClass;
IFeatureClassWrite fr = fc as IFeatureClassWrite;
IWorkspaceEdit w = (fc as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
IPoint p;
w.StartEditing(true);
w.StartEditOperation();
f = fc.CreateFeature();
p = new PointClass();
p.PutCoords(x, y);
f.Shape = p;
fr.WriteFeature(f);
w.StopEditOperation();
w.StopEditing(true);
}
}
static void Main(string[] args)
{
pLayer = this.axMapControl1.get_Layer(i); //所要加的层
IFeatureLayer pFeatureLyr = pLayer as IFeatureLayer; //将ILayer转换为IFeaturelayer，为了对图层上的要素进行编辑
IFeatureClass pFeatCls = pFeatureLyr.FeatureClass; //定义一个要素集合，并获取图层的要素集合
IFeatureClassWrite fr = (IFeatureClassWrite)pFeatCls; //定义一个实现新增要素的接口实例，并该实例作用于当前图层的要素集
IWorkspaceEdit w = (pFeatCls as IDataset).Workspace as IWorkspaceEdit; //定义一个工作编辑工作空间，用于开启前图层的编辑状态
IFeature f; //定义一个IFeature实例，用于添加到当前图层上
w.StartEditing(true); //开启编辑状态
w.StartEditOperation(); //开启编辑操作
IPoint p; //定义一个点，用来作为IFeature实例的形状属性，即shape属性
//下面是设置点的坐标和参考系
p = new PointClass();
p.SpatialReference = this.axMapControl1.SpatialReference;
p.X = 600;
p.Y = 500;
//将IPoint设置为IFeature的shape属性时，需要通过中间接口IGeometry转换
IGeometry peo;
peo = p;
f = pFeatCls.CreateFeature(); //实例化IFeature对象， 这样IFeature对象就具有当前图层上要素的字段信息
f.Shape = peo; //设置IFeature对象的形状属性
f.set_Value(3, "house1"); //设置IFeature对象的索引是3的字段值
f.Store(); //保存IFeature对象
fr.WriteFeature(f); //将IFeature对象，添加到当前图层上
w.StopEditOperation(); //停止编辑操作
w.StopEditing(true); //关闭编辑状态，并保存修改
this.axMapControl1.Refresh(); //刷新地图
}
private void button1_Click(object sender, EventArgs e)
{
name = textBox1.Text;
ID = textBox2.Text;
//开启编辑状态
IWorkspaceFactory pWorkspaceFactory;
pWorkspaceFactory = new AccessWorkspaceFactoryClass();
IFeatureWorkspace pFeatureWorkspace;
pFeatureWorkspace = pWorkspaceFactory.OpenFromFile("ShpData/Nanjing.mdb", 0) as IFeatureWorkspace;
IWorkspaceEdit pWorkspaceEdit;
pWorkspaceEdit = pFeatureWorkspace as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(false);
pWorkspaceEdit.StartEditOperation();
IFeatureClassWrite fr = fea_class as IFeatureClassWrite;
if (type == 1) //添加要素
{
//添加要素
IFeature pFeature;
pFeature = fea_class.CreateFeature();
pFeature.Shape = point;
pFeature.set_Value(2, name);
pFeature.set_Value(3, ID);
fr.WriteFeature(pFeature);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeature);
pFeature = null;
}
else if (type == 2) //修改要素
{
fea.set_Value(2, name);
fea.set_Value(3, ID);
fr.WriteFeature(fea);
}
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
this.Hide();
MessageBox.Show("操作成功！", "提示");
}
/// <summary>
///添加点图层
/// </summary>
/// <param name="axMap"></param>
/// <param name="longtitude"></param>
/// <param name="latitude"></param>
/// <param name="fieldsMap"></param>
public static IFeature addPointInLayer(AxMapControl axMap, String layerName, double longtitude, double latitude)
{
ILayer layer = getLayerByName(axMap.Map, layerName);
//将ILayer转换为IFeaturelayer，为了对图层上的要素进行编辑
IFeatureLayer featureLayer = layer as IFeatureLayer;
//定义一个要素集合，并获取图层的要素集合
IFeatureClass featureClass = featureLayer.FeatureClass;
//定义一个实现新增要素的接口实例，并该实例作用于当前图层的要素集
IFeatureClassWrite writer = (IFeatureClassWrite)featureClass;
//定义一个工作编辑工作空间，用于开启前图层的编辑状态
IWorkspaceEdit edit = (featureClass as IDataset).Workspace as IWorkspaceEdit;
//定义一个IFeature实例，用于添加到当前图层上
IFeature feature;
//开启编辑状态
edit.StartEditing(true);
//开启编辑操作
edit.StartEditOperation();
//定义一个点，用来作为IFeature实例的形状属性，即shape属性
IPoint point;
//下面是设置点的坐标和参考系
point = new PointClass();
point.SpatialReference = axMap.SpatialReference;
point.X = longtitude;
point.Y = latitude;
//将IPoint设置为IFeature的shape属性时，需要通过中间接口IGeometry转换
IGeometry geometry = point;
//实例化IFeature对象， 这样IFeature对象就具有当前图层上要素的字段信息
feature = featureClass.CreateFeature();
//设置IFeature对象的形状属性
feature.Shape = geometry;
feature.Store(); //保存IFeature对象
writer.WriteFeature(feature); //将IFeature对象，添加到当前图层上
edit.StopEditOperation(); //停止编辑操作
edit.StopEditing(true); //关闭编辑状态，并保存修改
axMap.Refresh(); //刷新地图
return(feature);
}
private static void SetStudentInfo(IFeatureLayer featureLayer, IFeature feature, object Id, object SID, object SNAME, object SSEX, object SBIRTH, object SHOME)
{
IFeatureClassWrite pWrite = featureLayer.FeatureClass as IFeatureClassWrite;
IWorkspaceEdit pEdit = (featureLayer.FeatureClass as IDataset).Workspace as IWorkspaceEdit;
pEdit.StartEditing(true);
pEdit.StartEditOperation();
feature.set_Value(featureLayer.FeatureClass.Fields.FindField("Id"), Id);
feature.set_Value(featureLayer.FeatureClass.Fields.FindField("SID"), SID);
feature.set_Value(featureLayer.FeatureClass.Fields.FindField("SNAME"), SNAME);
feature.set_Value(featureLayer.FeatureClass.Fields.FindField("SSEX"), SSEX);
feature.set_Value(featureLayer.FeatureClass.Fields.FindField("SBIRTH"), SBIRTH);
feature.set_Value(featureLayer.FeatureClass.Fields.FindField("SHOME"), SHOME);
feature.Store();
pWrite.WriteFeature(feature);
pEdit.StopEditOperation();
pEdit.StopEditing(true);
}
//确定键
private void buttonOK_Click(object sender, EventArgs e)
{
double dL = 0.0, dB = 0.0, dZJ = 0.0;
bool bL = double.TryParse(textBoxLong.Text, out dL); //经度
bool bB = double.TryParse(textBoxLat.Text, out dB); //纬度
bool bZJ = double.TryParse(textBoxLevel.Text, out dZJ); //震级
time = textBoxTime.Text; //时间
//开启编辑状态
IWorkspaceFactory pWorkspaceFactory = new AccessWorkspaceFactoryClass();
IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(dataFile, 0) as IFeatureWorkspace;
IWorkspaceEdit pWorkspaceEdit = pFeatureWorkspace as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(false);
pWorkspaceEdit.StartEditOperation();
//插入余震点数据
IFeatureClass pFeatureClassPoint = pFeatureLayerPoint.FeatureClass;
IFeatureClassWrite fwritePoint = pFeatureClassPoint as IFeatureClassWrite;
IFeature pFeaturePoint = pFeatureClassPoint.CreateFeature();
IPointCollection pointCollection = new MultipointClass();
IPoint pPoint = new PointClass();
IGeoDataset pGeoDataset = pFeatureClassPoint as IGeoDataset;
//记录空间投影信息
ISpatialReference spatialReference = pGeoDataset.SpatialReference;
//输入经纬度
pPoint.PutCoords(dL, dB);
pPoint.SpatialReference = spatialReference;
pointCollection.AddPoint(pPoint, ref _missing, ref _missing);
pFeaturePoint.Shape = pointCollection as IGeometry;
//设置属性值
pFeaturePoint.set_Value(3, dZJ);
pFeaturePoint.set_Value(5, time + "," + textBoxLevel.Text);
fwritePoint.WriteFeature(pFeaturePoint);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeaturePoint);
pFeaturePoint = null;
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
this.Hide();
MessageBox.Show("操作成功！", "提示");
}
public void featureClassWrite(IFeatureClass sourceFeatureClass, IFeatureClass targetFeatureClass)
{
IQueryFilter queryFilter = new QueryFilterClass();
queryFilter.WhereClause = queryClause;
IFeatureCursor cursor = sourceFeatureClass.Search(queryFilter, true);
IFeature sourceFeature = cursor.NextFeature();
IFeatureClassWrite featureClassWrite = targetFeatureClass as IFeatureClassWrite;
ISet setAdd = new SetClass();
while (sourceFeature != null)
{
IFeature targetFeature = targetFeatureClass.CreateFeature();
//如果是线或面要素类需要执行下Simplify，这里用的点要素类，不做验证了
targetFeature.Shape = sourceFeature.ShapeCopy;
for (int i = 0; i < sourceFeature.Fields.FieldCount; i++)
{
IField field = sourceFeature.Fields.get_Field(i);
if (field.Type != esriFieldType.esriFieldTypeOID && field.Type != esriFieldType.esriFieldTypeGeometry && field.Type != esriFieldType.esriFieldTypeGlobalID && field.Type != esriFieldType.esriFieldTypeGUID)
{
string fieldName = field.Name;
int index = targetFeature.Fields.FindField(fieldName);
if (index > -1 && fieldName != "Shape_Length" && fieldName != "Shape_Area")
{
targetFeature.set_Value(index, sourceFeature.get_Value(i));
}
}
}
//setAdd.Add(targetFeature);
featureClassWrite.WriteFeature(targetFeature);
sourceFeature = cursor.NextFeature();
}
//featureClassWrite.WriteFeatures(setAdd);//与WriteFeature没啥效率上的区别
ComReleaser.ReleaseCOMObject(cursor);
IFeatureClassManage targetFeatureClassManage = targetFeatureClass as IFeatureClassManage;
targetFeatureClassManage.UpdateExtent();
}
public void AddLineByWrite(AxMapControl axMapControl1, IFeatureLayer l, double x, double y)
{
ESRI.ArcGIS.Geometry.esriGeometryType featype = l.FeatureClass.ShapeType;
if (featype == esriGeometryType.esriGeometryPolyline)//判断层是否为线层
{
//IFeatureLayer l = MapCtr.Map.get_Layer(0) as IFeatureLayer;
IFeatureClass fc = l.FeatureClass;
IFeatureClassWrite fr = fc as IFeatureClassWrite;
IWorkspaceEdit w = (fc as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
//可选参数的设置
object Missing = Type.Missing;
IPoint p = new PointClass();
w.StartEditing(true);
w.StartEditOperation();
f = fc.CreateFeature();
//定义一个多义线对象
IRgbColor color = new RgbColor();
// 设置颜色属性
color.Red = 255;
color.Transparency = 255;
//ISimpleLineSymbol PlyLine = new SimpleLineSymbolClass();
//PlyLine.Color = color;
//PlyLine.Style = esriSimpleLineStyle.esriSLSInsideFrame;
//PlyLine.Width = 1;
IGeometry iGeom = axMapControl1.TrackLine();
AddLine(axMapControl1, iGeom);
f.Shape = iGeom;
fr.WriteFeature(f);
w.StopEditOperation();
w.StopEditing(true);
}
}
/// <summary>
/// 创建等高线*.shp文件的主方法
/// </summary>
/// <param name="lux">左上投影x坐标</param>
/// <param name="luy">左上投影y坐标</param>
/// <param name="luz">左上投影z坐标</param>
/// <param name="rlx">右下投影x坐标</param>
/// <param name="rly">右下投影y坐标</param>
/// <param name="rlz">右下投影z坐标</param>
/// <param name="m_interval">采样间隔</param>
/// <returns>等高线*.shp文件的文件名</returns>
public string CreateContourShape(ISGWorld61 sgworld, double lux, double luy, double luz, double rlx, double rly, double rlz, double m_interval)
{
double width = sgworld.CoordServices.GetDistance(lux, luy, rlx, luy);
double hight = sgworld.CoordServices.GetDistance(lux, luy, lux, rly);
if (width < 5 || hight < 10)
{
MessageBox.Show("范围过小！", "SUNZ", MessageBoxButtons.OK, MessageBoxIcon.Warning);
return(null);
}
if ((width / 1000) * (hight / 1000) > 40)
{
if (MessageBox.Show("范围超出40平分公里,系统计算时间比较长，是否继续？", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
{
}
else
{
return(null);
}
}
this.Interval = m_interval;
this.Random = System.Guid.NewGuid().ToString().Substring(0, 6).ToLower();
CopyFolder(Application.StartupPath + "\\Convert\\TemPoints", Application.StartupPath + "\\Convert\\PointsResult\\" + this.Random);
IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactory();
IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(Application.StartupPath + "\\Convert\\PointsResult\\" + this.Random, 0);
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(Application.StartupPath + "\\Convert\\PointsResult\\" + Random + "\\TemPointLayer.shp"));
IFeatureClassWrite fr = (IFeatureClassWrite)pFeatureClass;
IWorkspaceEdit w = (pFeatureClass as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
w.StartEditing(true);
w.StartEditOperation();
int EastPointCount = (int)(width / 5);
int NothPointCount = (int)(hight / 5);
for (int j = 0; j < NothPointCount; j++)
{
ESRI.ArcGIS.Geometry.IPoint p;
p = new ESRI.ArcGIS.Geometry.PointClass();
ESRI.ArcGIS.Geometry.IZAware iz = p as ESRI.ArcGIS.Geometry.IZAware;
iz.ZAware = true;
p.X = lux;
p.Y = luy;
p.Z = luz;
ESRI.ArcGIS.Geometry.IGeometry peo;
peo = p;
f = pFeatureClass.CreateFeature();
f.Shape = peo;
f.set_Value(3, p.Z);
f.Store();
fr.WriteFeature(f);
for (int i = 0; i < EastPointCount; i++)
{
IPosition61 positionLU = null;
ICoord2D pPoint = null;
if ((j + 2) % 2 == 0)
{
pPoint = sgworld.CoordServices.MoveCoord(lux, luy, 5, 0);
}
else
{
pPoint = sgworld.CoordServices.MoveCoord(lux, luy, -5, 0);
}
IWorldPointInfo61 pW = sgworld.Terrain.GetGroundHeightInfo(pPoint.X, pPoint.Y, AccuracyLevel.ACCURACY_BEST_FROM_MEMORY, true);
positionLU = pW.Position;
luz = positionLU.Altitude;
lux = positionLU.X;
luy = positionLU.Y;
p = new ESRI.ArcGIS.Geometry.PointClass();
iz = p as ESRI.ArcGIS.Geometry.IZAware;
iz.ZAware = true;
p.X = lux;
p.Y = luy;
p.Z = luz;
peo = p;
f = pFeatureClass.CreateFeature();
f.Shape = peo;
f.set_Value(3, p.Z);
f.Store();
fr.WriteFeature(f);
}
ICoord2D pPointL = sgworld.CoordServices.MoveCoord(lux, luy, 0, -5);
IWorldPointInfo61 pWL = sgworld.Terrain.GetGroundHeightInfo(pPointL.X, pPointL.Y, AccuracyLevel.ACCURACY_FORCE_BEST_RENDERED, true);
luz = pWL.Position.Altitude;
lux = pWL.Position.X;
luy = pWL.Position.Y;
}
w.StopEditOperation();
w.StopEditing(true);
CreateTinFromFeature(pFeatureClass);
return(this.Random);
}
/// <summary>
/// 对指定图层的指定图形，修改其属性值
/// </summary>
/// <param name="id">图形的id</param>
/// <param name="values">字段属性，key为字段名，value为字段值</param>
/// <param name="layerName">图层名</param>
public void UpdateFeature(int id, Dictionary <string, string> values, string layerName)
{
InitLicense();
try
{
List <FieldInfo> list = GetAllFields(layerName);
var node = configXml.SelectSingleNode("/Layers/Layer[@Title='" + layerName + "']");
var ws = CreateWorkspace();
IWorkspaceEdit edit = (IWorkspaceEdit)ws;
edit.StartEditing(false);
edit.StartEditOperation();
var fc = ws.OpenFeatureClass(node.Attributes["Name"].Value);
var feature = fc.GetFeature(id);
IFeatureClassWrite fcw = fc as IFeatureClassWrite;
if (feature != null)
{
foreach (var item in list)
{
if (values.ContainsKey(item.Name))
{
var index = feature.Fields.FindField(item.Name);
if (index > -1)
{
var fld = feature.Fields.get_Field(index);
var value = values[item.Name];
switch (fld.Type)
{
case esriFieldType.esriFieldTypeDate:
DateTime dt;
if (DateTime.TryParse(value, out dt))
{
feature.set_Value(index, dt);
}
break;
case esriFieldType.esriFieldTypeDouble:
double db;
if (double.TryParse(value, out db))
{
feature.set_Value(index, db);
}
break;
case esriFieldType.esriFieldTypeInteger:
case esriFieldType.esriFieldTypeSmallInteger:
int i;
if (int.TryParse(value, out i))
{
feature.set_Value(index, i);
}
break;
case esriFieldType.esriFieldTypeSingle:
float f;
if (float.TryParse(value, out f))
{
feature.set_Value(index, f);
}
break;
case esriFieldType.esriFieldTypeString:
feature.set_Value(index, value);
break;
default:
throw new NotSupportedException(string.Format("不支持此类型的字段({0}):{1}", layerName, fld.Type));
}
}
}
}
fcw.WriteFeature(feature);
}
edit.StopEditOperation();
edit.StopEditing(true);
}
catch (Exception ex)
{
throw ex;
}
finally
{
ShutdownLicense();
}
}
public void creatLine(AxMapControl axMapControl1, string dataFile, IPoint pPointCen, IEnvelope iBound)
{
//开启编辑状态
IWorkspaceFactory pWorkspaceFactory = new AccessWorkspaceFactoryClass();
IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(dataFile, 0) as IFeatureWorkspace;
IWorkspaceEdit pWorkspaceEdit = pFeatureWorkspace as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(false);
pWorkspaceEdit.StartEditOperation();
//获取线图层
IFeatureLayer pFeatureLayerLine = axMapControl1.Map.get_Layer(5) as IFeatureLayer;
IFeatureClass pFeatureClassLine = pFeatureLayerLine.FeatureClass;
IFeatureClassWrite fwriteLine = pFeatureClassLine as IFeatureClassWrite;
//获取地级市数据点，包含两部分：市政府和区县政府
IFeatureLayer pFeatureLayer1 = null; //市政府图层
pFeatureLayer1 = axMapControl1.Map.get_Layer(1) as IFeatureLayer;
IFeatureClass pFeatureClass1 = pFeatureLayer1.FeatureClass;
for (int i = 1; i < 15; i++)
{
IFeature pFeature1 = pFeatureClass1.GetFeature(i);
string name1 = Convert.ToString(pFeature1.get_Value(3)); //获取地级市名
IPointCollection pColl1 = pFeature1.Shape as IPointCollection;
IPoint pPoint1 = pColl1.get_Point(pColl1.PointCount - 1);
//判断这个地级市是否在显示范围内
if (pPoint1.X > iBound.XMin && pPoint1.X < iBound.XMax && pPoint1.Y > iBound.YMin && pPoint1.Y < iBound.YMax)
{
IFeature pFeatureLine = pFeatureClassLine.CreateFeature();
//构建新的线要素
IPolyline new_line = new PolylineClass();
new_line.SpatialReference = pPointCen.SpatialReference;
new_line.FromPoint = pPointCen;
new_line.ToPoint = pPoint1;
pFeatureLine.Shape = new_line;
//设置属性值
pFeatureLine.set_Value(4, Convert.ToInt32(new_line.Length * 100));
pFeatureLine.set_Value(3, name1);
fwriteLine.WriteFeature(pFeatureLine);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureLine);
pFeatureLine = null;
}
}
IFeatureLayer pFeatureLayer2 = null; //区县政府图层
pFeatureLayer2 = axMapControl1.Map.get_Layer(2) as IFeatureLayer;
IFeatureClass pFeatureClass2 = pFeatureLayer2.FeatureClass;
//获取属性值
IFields pFields2 = pFeatureClass2.Fields;
for (int i = 1; i < 51; i++)
{
IFeature pFeature2 = pFeatureClass2.GetFeature(i);
string name2 = Convert.ToString(pFeature2.get_Value(4)); //获取地级市名
IPointCollection pColl2 = pFeature2.Shape as IPointCollection;
IPoint pPoint2 = pColl2.get_Point(pColl2.PointCount - 1);
//判断这个地级市是否在显示范围内
if (pPoint2.X > iBound.XMin && pPoint2.X < iBound.XMax && pPoint2.Y > iBound.YMin && pPoint2.Y < iBound.YMax)
{
IFeature pFeatureLine = pFeatureClassLine.CreateFeature();
//构建新的线要素
IPolyline new_line = new PolylineClass();
new_line.SpatialReference = pPointCen.SpatialReference;
new_line.FromPoint = pPointCen;
new_line.ToPoint = pPoint2;
pFeatureLine.Shape = new_line;
//设置属性值
pFeatureLine.set_Value(4, Convert.ToInt32(new_line.Length * 100));
pFeatureLine.set_Value(3, name2);
fwriteLine.WriteFeature(pFeatureLine);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureLine);
pFeatureLine = null;
}
}
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
}
void axMapControl_main_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
// c. 在地图上点击，选择一个监测站点，并显示该监测站点的属性信息 第②步
#region ...
if (e.button == 1 && m_isIdentify)
{
IEnvelope pClickEnv = new EnvelopeClass()
{
XMin = e.mapX - 0.01,
YMin = e.mapY - 0.01,
XMax = e.mapX + 0.01,
YMax = e.mapY + 0.01
};
IFeatureLayer pFeatureLayer = AeUtils.GetFeatureLayerByName(m_pMapC2.Map, "监测站");
IFeatureCursor pFeatureCursor = pFeatureLayer.FeatureClass.Search(null, false);
IFeature pFeature = pFeatureCursor.NextFeature();
while (pFeature != null)
{
IEnvelope pTargetEnv = pFeature.Extent;
if (pTargetEnv.XMax < pClickEnv.XMax && pTargetEnv.XMin > pClickEnv.XMin &&
pTargetEnv.YMax < pClickEnv.YMax && pTargetEnv.YMin > pClickEnv.YMin)
{
break;
}
pFeature = pFeatureCursor.NextFeature();
}
m_pMapC2.Map.ClearSelection();
m_pMapC2.Map.SelectFeature(pFeatureLayer, pFeature);
m_pMapC2.Refresh();
if (pFeature != null)
{
showInfo(pFeature);
}
}
#endregion
// d. 在监测站点列表中选择一个监测站点后，在地图上高亮显示，缩放至该监测站点，并显示该监测站点的属性信息 第②步
#region ...
if (e.button == 1 && m_isDraw)
{
IFeatureLayer pFeatureLayer = AeUtils.GetFeatureLayerByName(m_pMapC2.Map, "监测站");
IGeometry pGeometry = m_pMapC2.TrackPolygon();
IElement pElement = new PolygonElementClass()
{
Geometry = pGeometry
};
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = new SimpleFillSymbolClass()
{
Color = AeUtils.GetRgbColor(0, 0, 0, 0),
Outline = new SimpleLineSymbolClass()
{
Color = AeUtils.GetRgbColor(255, 0, 0),
Width = 1
}
};
IGraphicsContainer pGraphicsContainer = m_pMapC2.Map as IGraphicsContainer;
pGraphicsContainer.DeleteAllElements();
pGraphicsContainer.AddElement(pFillShapeElement as IElement, 0);
m_pMapC2.Refresh(esriViewDrawPhase.esriViewGraphics);
AeUtils.GetFeatureLayerByName(m_pMapC2.Map, "北京区县界").Selectable = false;
m_pMapC2.Map.SelectByShape(pGeometry, null, false);
m_pMapC2.Refresh(esriViewDrawPhase.esriViewGeoSelection);
MessageBox.Show(String.Format("当前已选中{0}个监测站", m_pMapC2.Map.SelectionCount));
}
#endregion
// j. 在监测站点图层添加一个新站点
#region ...
if (e.button == 1 && m_isAddpoint)
{
IFeatureLayer pFeatureLayer = AeUtils.GetFeatureLayerByName(m_pMapC2.Map, "监测站");
IPoint pPoint = new PointClass()
{
X = e.mapX,
Y = e.mapY,
SpatialReference = m_pMapC2.SpatialReference
};
IFeatureClassWrite pWrite = pFeatureLayer.FeatureClass as IFeatureClassWrite;
IWorkspaceEdit pEdit = (pFeatureLayer.FeatureClass as IDataset).Workspace as IWorkspaceEdit;
pEdit.StartEditing(true);
pEdit.StartEditOperation();
IFeature pFeature = pFeatureLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPoint;
FormSetName formSetName = new FormSetName();
formSetName.ShowDialog();
pFeature.set_Value(pFeatureLayer.FeatureClass.Fields.FindField("Name"), formSetName.name);
pFeature.Store();
pWrite.WriteFeature(pFeature);
pEdit.StopEditOperation();
pEdit.StopEditing(true);
m_pMapC2.Refresh();
}
#endregion
if (e.button == 4)
{
m_pMapC2.MousePointer = esriControlsMousePointer.esriPointerPanning;
m_pMapC2.Pan();
m_pMapC2.MousePointer = esriControlsMousePointer.esriPointerPan;
}
}
//确定键
private void buttonOK_Click(object sender, EventArgs e)
{
double dL = 0.0, dB = 0.0, dZJ = 0.0, dTransAngle = 0.0;
bool bL = double.TryParse(textBoxLong.Text, out dL); //经度
bool bB = double.TryParse(textBoxLat.Text, out dB); //纬度
bool bZJ = double.TryParse(textBoxLevel.Text, out dZJ); //震级
bool bTransAngle = double.TryParse(txtTransAngle.Text, out dTransAngle); //旋转角
time = textBoxTime.Text;
//开启编辑状态
IWorkspaceFactory pWorkspaceFactory = new AccessWorkspaceFactoryClass();
IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(dataFile, 0) as IFeatureWorkspace;
IWorkspaceEdit pWorkspaceEdit = pFeatureWorkspace as IWorkspaceEdit;
pWorkspaceEdit.StartEditing(false);
pWorkspaceEdit.StartEditOperation();
//插入震中点数据
IFeatureClass pFeatureClassPoint = pFeatureLayerPoint.FeatureClass;
IFeatureClassWrite fwritePoint = pFeatureClassPoint as IFeatureClassWrite;
IFeature pFeaturePoint = pFeatureClassPoint.CreateFeature();
IPointCollection pointCollection = new MultipointClass();
IPoint pPoint = new PointClass();
IGeoDataset pGeoDataset = pFeatureClassPoint as IGeoDataset;
//记录空间投影信息
ISpatialReference spatialReference = pGeoDataset.SpatialReference;
//输入经纬度
pPoint.PutCoords(dL, dB);
pPoint.SpatialReference = spatialReference;
pointCollection.AddPoint(pPoint, ref _missing, ref _missing);
pFeaturePoint.Shape = pointCollection as IGeometry;
//设置“标注”属性值
pFeaturePoint.set_Value(3, time);
fwritePoint.WriteFeature(pFeaturePoint);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeaturePoint);
//记录屏幕显示区域
IEnvelope pEnvelope = null;
//生成地震烈度椭圆
//当都输入值的时候，生成椭圆
if (bL && bB && bZJ && bTransAngle)
{
IGraphicsContainer graphicsContainer = _MainPageLayoutControl.ActiveView.FocusMap as IGraphicsContainer;
string sElementName = "zjEllipticArc";
DelectElementByName(graphicsContainer, sElementName);
List <EllipticArcPro> pListEllipticArcPro = CalculatEllipticArc(pPoint, dZJ, dTransAngle);
int tot = pListEllipticArcPro.Count;
int iCount = 1;
foreach (EllipticArcPro pEllipticArcPro in pListEllipticArcPro)
{
IEllipticArc pEll = new EllipticArcClass();
if (tot == 3)
{
pEll.PutCoordsByAngle(pEllipticArcPro.ellipseStd, pEllipticArcPro.CenterPoint, pEllipticArcPro.FromAngle, pEllipticArcPro.CentralAngle, pEllipticArcPro.rotationAngle, pEllipticArcPro.semiMajor / 100000, pEllipticArcPro.minorMajorRatio);
}
else
{
pEll.PutCoordsByAngle(pEllipticArcPro.ellipseStd, pEllipticArcPro.CenterPoint, pEllipticArcPro.FromAngle, pEllipticArcPro.CentralAngle, pEllipticArcPro.rotationAngle, pEllipticArcPro.semiMajor / 100000, pEllipticArcPro.minorMajorRatio);
}
IGeometry pGeo = EllipticArcTransPolygon(pEll);
pGeo.SpatialReference = spatialReference;
IPolygon pPloy = pGeo as IPolygon;
if (iCount == 1) //第一个烈度图层
{
IFeatureClass pFeatureClass8LD = pFeatureLayer8LD.FeatureClass;
IFeatureClassWrite fwrite8LD = pFeatureClass8LD as IFeatureClassWrite;
IFeature pFeature8LD = pFeatureClass8LD.CreateFeature();
pFeature8LD.Shape = pPloy;
fwrite8LD.WriteFeature(pFeature8LD);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeature8LD);
pFeature8LD = null;
if (dZJ > 5.3)
{
iCount++;
}
//更新显示区域
IActiveView pAV = _MainPageLayoutControl.ActiveView.FocusMap as IActiveView;
pEnvelope = pPloy.Envelope;
pEnvelope.Expand(1.8, 1.8, true);
pAV.Extent = pEnvelope;
pAV.Refresh();
}
else if (iCount == 2)
{
IFeatureClass pFeatureClass7LD = pFeatureLayer7LD.FeatureClass;
IFeatureClassWrite fwrite7LD = pFeatureClass7LD as IFeatureClassWrite;
IFeature pFeature7LD = pFeatureClass7LD.CreateFeature();
pFeature7LD.Shape = pPloy;
fwrite7LD.WriteFeature(pFeature7LD);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeature7LD);
pFeature7LD = null;
if (tot == 3)
{
iCount++;
}
}
else if (iCount == 3)
{
IFeatureClass pFeatureClass6LD = pFeatureLayer6LD.FeatureClass;
IFeatureClassWrite fwrite6LD = pFeatureClass6LD as IFeatureClassWrite;
IFeature pFeature6LD = pFeatureClass6LD.CreateFeature();
pFeature6LD.Shape = pPloy;
fwrite6LD.WriteFeature(pFeature6LD);
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeature6LD);
pFeature6LD = null;
iCount++;
}
}
}
pFeaturePoint = null;
pWorkspaceEdit.StopEditOperation();
pWorkspaceEdit.StopEditing(true);
this.Hide();
setFormIPoint(pPoint, textBoxLevel.Text, pEnvelope);
//修改标题
IElement pElementTitle = _MainPageLayoutControl.FindElementByName("Title");
ITextElement pTextElementTitle = pElementTitle as ITextElement;
string sXZQName = GetXZQName(pPoint);
string sText = sXZQName + "M" + textBoxLevel.Text + "级地震震区水库分布图";
pTextElementTitle.Text = sText;
MessageBox.Show("操作成功！", "提示");
}