private async void CenterMap()
{
string errorMessage = null;
try
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, async() =>
{
Geolocator geolocator = new Geolocator();
Geoposition geoposition = null;
geoposition = await geolocator.GetGeopositionAsync();
await MainMapControl.TrySetViewAsync(geoposition.Coordinate.Point, 16, 0, 0, Windows.UI.Xaml.Controls.Maps.MapAnimationKind.Bow);
//mapControl.Center = geoposition.Coordinate.Point;
//mapControl.ZoomLevel = 16;
});
}
catch (Exception ex)
{
errorMessage = ex.Message;
}
if (errorMessage != null)
{
MessageDialog msg = new MessageDialog("Não foi possível localizar o seu dispositivo. Por favor verifique se o sistema de localização de seu telefone está ativado para uma melhor experiência de uso.", "Seu GPS está ativado?");
await msg.ShowAsync();
}
}
private void axMapControl_EagleEye_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
IPoint vPoint = new PointClass();
vPoint.PutCoords(e.mapX, e.mapY);
MainMapControl.CenterAt(vPoint);
}
/// <summary>
/// CAD文件作为矢量图层加载
/// 分图层加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddCADByLayerToolStripMenuItem_Click(object sender, EventArgs e)
{
string filePath;
string fileName;
string filter = "CAD(*.dwg)|*.dwg";
string title = "打开CAD数据文件";
outFilePathAndFileName(title, filter, out filePath, out fileName);
if (fileName == null || filePath == null)
{
return;
}
IWorkspaceFactory pWorkspaceFactory = new CadWorkspaceFactory();
IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(filePath, 0) as IFeatureWorkspace;
// 加载CAD文件中的线文件
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(fileName + ":polyline");
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.Name = fileName;
pFeatureLayer.FeatureClass = pFeatureClass;
// 新增删除数据
ClearAllData();
MainMapControl.AddLayer(pFeatureLayer);
MainMapControl.Refresh();
//同步鹰眼
SynchronizeEagleEye();
}
/// <summary>
/// 鹰眼地图控制器按下事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void EagleEyeMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
//if (EagleEyeMapControl.Map.LayerCount > 0)
//{
// // 按下鼠标左键，移动矩形框
// if (e.button == 1)
// {
// if (e.mapX > pEnv.XMin && e.mapY > pEnv.YMin && e.mapX < pEnv.XMax && e.mapY < pEnv.YMax)
// {
// CanDrag = true;
// }
// MoveRectPoint = new PointClass();
// // 记录点击的第一个点的坐标
// MoveRectPoint.PutCoords(e.mapX, e.mapY);
// }
// //按下鼠标右键绘制矩形框
// else if (e.button == 2)
// {
// IEnvelope pEnvelope = EagleEyeMapControl.TrackRectangle();
// IPoint pTempPoint = new PointClass();
// pTempPoint.PutCoords(pEnvelope.XMin + pEnvelope.Width / 2, pEnvelope.YMin + pEnvelope.Height / 2);
// MainMapControl.Extent = pEnvelope;
// //矩形框的高宽和数据试图的高宽不一定成正比，这里做一个中心调整
// MainMapControl.CenterAt(pTempPoint);
// }
//}
if (EagleEyeMapControl.Map.LayerCount > 0)
{
//按下鼠标左键移动矩形框
if (e.button == 1)
{
//如果指针落在鹰眼的矩形框中，标记可移动
if (e.mapX > pEnv.XMin && e.mapY > pEnv.YMin && e.mapX < pEnv.XMax && e.mapY < pEnv.YMax)
{
CanDrag = true;
}
MoveRectPoint = new PointClass();
MoveRectPoint.PutCoords(e.mapX, e.mapY); //记录点击的第一个点的坐标
}
//按下鼠标右键绘制矩形框
else if (e.button == 2)
{
IEnvelope pEnvelope = EagleEyeMapControl.TrackRectangle();
IPoint pTempPoint = new PointClass();
pTempPoint.PutCoords(pEnvelope.XMin + pEnvelope.Width / 2, pEnvelope.YMin + pEnvelope.Height / 2);
MainMapControl.Extent = pEnvelope;
//矩形框的高宽和数据试图的高宽不一定成正比，这里做一个中心调整
MainMapControl.CenterAt(pTempPoint);
}
}
}
/// <summary>
/// CAD文件作为矢量图层加载
/// 整幅图加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddWhileCADToolStripMenuItem_Click(object sender, EventArgs e)
{
string filePath;
string fileName;
string filter = "CAD(*.dwg)|*.dwg";
string title = "打开CAD数据文件";
outFilePathAndFileName(title, filter, out filePath, out fileName);
if (fileName == null || filePath == null)
{
return;
}
// 打开一个CAD数据集
IWorkspaceFactory pWorkspaceFactory = new CadWorkspaceFactory();
IFeatureWorkspace pFeatureWorkspace = pWorkspaceFactory.OpenFromFile(filePath, 0) as IFeatureWorkspace;
// 打开一个要素集
IFeatureDataset pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(fileName);
// IFeatureClassContainer 可以管理IFeatureDataset中的每个要素类
IFeatureClassContainer pFeatureClassContainer = pFeatureDataset as IFeatureClassContainer;
// 新增删除数据
ClearAllData();
// 对CAD文件中的要素进行遍历处理
for (int i = 0; i < pFeatureClassContainer.ClassCount; i++)
{
IFeatureClass pFeatClass = pFeatureClassContainer.get_Class(i);
// 如果是注记，则添加注记层
if (pFeatClass.FeatureType == esriFeatureType.esriFTCoverageAnnotation)
{
IFeatureLayer pFeatureLayer = new CadAnnotationLayerClass();
pFeatureLayer.Name = pFeatClass.AliasName;
pFeatureLayer.FeatureClass = pFeatClass;
MainMapControl.AddLayer(pFeatureLayer);
}
// 如果是点线面则添加要素层
else
{
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.Name = pFeatClass.AliasName;
pFeatureLayer.FeatureClass = pFeatClass;
MainMapControl.AddLayer(pFeatureLayer);
}
MainMapControl.Refresh();
}
// 同步鹰眼
SynchronizeEagleEye();
}
/// <summary>
/// 鹰眼同步
/// </summary>
private void SynchronizeEagleEye()
{
if (EagleEyeMapControl.LayerCount > 0)
{
EagleEyeMapControl.ClearLayers();
}
// 设置鹰眼视图与主地图坐标系统一致
EagleEyeMapControl.SpatialReference = MainMapControl.SpatialReference;
for (int i = MainMapControl.LayerCount - 1; i >= 0; i--)
{
// 使鹰眼和主地图的坐标保持一致
ILayer pLayer = MainMapControl.get_Layer(i);
if (pLayer is IGroupLayer || pLayer is ICompositeLayer)
{
ICompositeLayer comositeLayer = pLayer as ICompositeLayer;
for (int j = comositeLayer.Count - 1; j >= 0; j--)
{
ILayer pSubLayer = comositeLayer.get_Layer(j);
IFeatureLayer featureLayer = pSubLayer as IFeatureLayer;
if (featureLayer != null)
{
if (featureLayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryPoint && featureLayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryMultipoint)
{
EagleEyeMapControl.AddLayer(pLayer);
}
}
}
}
else
{
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
if (pFeatureLayer != null)
{
if (pFeatureLayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryPoint && pFeatureLayer.FeatureClass.ShapeType != esriGeometryType.esriGeometryMultipoint)
{
EagleEyeMapControl.AddLayer(pLayer);
}
}
}
}
// 设置鹰眼地图全图显示
EagleEyeMapControl.Extent = MainMapControl.FullExtent;
pEnv = MainMapControl.Extent as IEnvelope;
DrawRectangle(pEnv);
EagleEyeMapControl.ActiveView.Refresh();
}
/// <summary>
/// 地图文档保存
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSaveMap_Click(object sender, EventArgs e)
{
try
{
string sMxdFileName = MainMapControl.DocumentFilename;
IMapDocument pMapDocument = new MapDocumentClass();
if (sMxdFileName != null && MainMapControl.CheckMxFile(sMxdFileName))
{
if (pMapDocument.get_IsReadOnly(sMxdFileName))
{
MessageBox.Show("本地图文档是只读,不能保存!");
pMapDocument.Close();
return;
}
else
{
SaveFileDialog pSaveFileDialog = new SaveFileDialog();
pSaveFileDialog.Title = "请选择保存路径";
pSaveFileDialog.OverwritePrompt = true;
pSaveFileDialog.Filter = "ArcMap文档（*.mxd）|*.mxd|ArcMap模板（*.mxt）|*.mxt";
pSaveFileDialog.RestoreDirectory = true;
if (pSaveFileDialog.ShowDialog() == DialogResult.OK)
{
sMxdFileName = pSaveFileDialog.FileName;
}
else
{
return;
}
}
pMapDocument.New(sMxdFileName);
pMapDocument.ReplaceContents(MainMapControl.Map as IMxdContents);
pMapDocument.Save(pMapDocument.UsesRelativePaths, true);
pMapDocument.Close();
MessageBox.Show("保存地图文档成功");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// 鹰眼地图控制器弹起事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void EagleEyeMapControl_OnMouseUp(object sender, IMapControlEvents2_OnMouseUpEvent e)
{
//if (e.button == 1 && MoveRectPoint != null)
//{
// if (e.mapX == MoveRectPoint.X && e.mapY == MoveRectPoint.Y)
// {
// MainMapControl.CenterAt(MoveRectPoint);
// MainMapControl.Refresh();
// }
// CanDrag = false;
//}
if (e.button == 1 && MoveRectPoint != null)
{
if (e.mapX == MoveRectPoint.X && e.mapY == MoveRectPoint.Y)
{
MainMapControl.CenterAt(MoveRectPoint);
}
CanDrag = false;
}
}
/// <summary>
/// 通过IMapDocument接口加载地图文档
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnIMapDocument_Click(object sender, EventArgs e)
{
try
{
OpenFileDialog pOpenFileDialog = new OpenFileDialog();
pOpenFileDialog.CheckFileExists = true;
pOpenFileDialog.Title = "打开地图文档";
pOpenFileDialog.Filter = "ArcMap文档(*.mxd)|*.mxd;|ArcMap模板(*.mxt)|*.mxt|发布地图文件(*.pmf)|*.pmf|所有地图格式(*.mxd;*.mxt;*.pmf)|*.mxd;*.mxt;*.pmf";
pOpenFileDialog.Multiselect = false;
pOpenFileDialog.RestoreDirectory = true;
if (pOpenFileDialog.ShowDialog() == DialogResult.OK)
{
string pFileName = pOpenFileDialog.FileName;
if (pFileName == "")
{
return;
}
if (MainMapControl.CheckMxFile(pFileName)) //检查地图文档有效性
{
//将数据载入pMapDocument并与Map控件关联
IMapDocument pMapDocument = new MapDocument();//using ESRI.ArcGIS.Carto;
pMapDocument.Open(pFileName, "");
//获取Map中激活的地图文档
MainMapControl.Map = pMapDocument.ActiveView.FocusMap;
MainMapControl.ActiveView.Refresh();
}
else
{
MessageBox.Show(pFileName + "是无效的地图文档!", "信息提示");
return;
}
}
}
catch (Exception ex)
{
MessageBox.Show("打开地图文档失败" + ex.Message);
}
}
/// <summary>
/// 加载栅格数据
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddRaster_Click(object sender, EventArgs e)
{
string title = "打开Raster文件";
string filter = "栅格文件 (*.*)|*.bmp;*.tif;*.jpg;*.img|(*.bmp)|*.bmp|(*.tif)|*.tif|(*.jpg)|*.jpg|(*.img)|*.img";
OpenFileDialog pOpenFileDialog = createOpenFileDialog(title, filter);
string pRasterFileName = pOpenFileDialog.FileName;
if (pRasterFileName == "")
{
return;
}
string pPath = System.IO.Path.GetDirectoryName(pRasterFileName);
string pFileName = System.IO.Path.GetFileName(pRasterFileName);
IWorkspaceFactory pWorkspaceFactory = new RasterWorkspaceFactory();
IRasterWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(pPath, 0) as IRasterWorkspace;
IRasterDataset pRasterDataSet = pWorkspace.OpenRasterDataset(pFileName);
// 影像金字塔判断与创建
IRasterPyramid3 pRasPyrmid;
pRasPyrmid = pRasterDataSet as IRasterPyramid3;
if (pRasPyrmid != null)
{
if (!(pRasPyrmid.Present))
{
// 创建金字塔
pRasPyrmid.Create();
}
}
IRaster pRaster = pRasterDataSet.CreateDefaultRaster();
IRasterLayer pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromRaster(pRaster);
ILayer pLayer = pRasterLayer as ILayer;
MainMapControl.AddLayer(pLayer);
}
/// <summary>
/// CAD文件作为栅格图层加载
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnAddRasterByCADToolStripMenuItem_Click(object sender, EventArgs e)
{
string filePath;
string fileName;
string filter = "CAD(*.dwg)|*.dwg";
string title = "打开CAD数据文件";
outFilePathAndFileName(title, filter, out filePath, out fileName);
if (fileName == null || filePath == null)
{
return;
}
IWorkspaceFactory pWorkspaceFactory = new CadWorkspaceFactory();
IWorkspace pWorkspace = pWorkspaceFactory.OpenFromFile(filePath, 0);
ICadDrawingWorkspace pCadDrawingWorkspace = pWorkspace as ICadDrawingWorkspace;
// 获取CAD数据集
ICadDrawingDataset pCadDrawingDataset = pCadDrawingWorkspace.OpenCadDrawingDataset(fileName);
ICadLayer pCadLayer = new CadLayerClass();
pCadLayer.CadDrawingDataset = pCadDrawingDataset;
MainMapControl.AddLayer(pCadLayer);
MainMapControl.Refresh();
}
/// <summary>
/// 使用IMapControl接口的LoadFxFile方法加载地图文档
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnLoadMxFile_Click(object sender, EventArgs e)
{
//加载数据前如果有数据则清空
try
{
OpenFileDialog pOpenFileDialog = new OpenFileDialog();
pOpenFileDialog.CheckFileExists = true;
pOpenFileDialog.Title = "打开地图文档";
pOpenFileDialog.Filter = "ArcMap文档(*.mxd)|*.mxd;|ArcMap模板(*.mxt)|*.mxt|发布地图文件(*.pmf)|*.pmf|所有地图格式(*.mxd;*.mxt;*.pmf)|*.mxd;*.mxt;*.pmf";
pOpenFileDialog.Multiselect = false; //不允许多个文件同时选择
pOpenFileDialog.RestoreDirectory = true; //存储打开的文件路径
if (pOpenFileDialog.ShowDialog() == DialogResult.OK)
{
string pFileName = pOpenFileDialog.FileName;
if (pFileName == "")
{
return;
}
if (MainMapControl.CheckMxFile(pFileName)) //检查地图文档有效性
{
ClearAllData();
MainMapControl.LoadMxFile(pFileName);
}
else
{
MessageBox.Show(pFileName + "是无效的地图文档!", "信息提示");
return;
}
}
}
catch (Exception ex)
{
MessageBox.Show("打开地图文档失败" + ex.Message);
}
}
/// <summary>
/// 地图中鼠标按下事件监听
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MainMapControl_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
//屏幕坐标点转化为地图坐标点
pPointPt = (MainMapControl.Map as IActiveView).ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
if (e.button == 1)
{
IActiveView pActiveView = MainMapControl.ActiveView;
IEnvelope pEnvelope = new EnvelopeClass();
switch (pMouseOperate)
{
case "ZoomIn":
pEnvelope = MainMapControl.TrackRectangle();
// 如果拉框范围为空则返回
if (pEnvelope == null || pEnvelope.IsEmpty || pEnvelope.Height == 0 || pEnvelope.Width == 0)
{
return;
}
// 如果拉框有范围，则拉大到拉框范围
MainMapControl.ActiveView.Extent = pEnvelope;
MainMapControl.ActiveView.Refresh();
break;
case "ZoomOut":
pEnvelope = MainMapControl.TrackRectangle();
// 如果拉框范围为空则返回
if (pEnvelope == null || pEnvelope.IsEmpty || pEnvelope.Height == 0 || pEnvelope.Width == 0)
{
return;
}
else
{
double dWidth = pActiveView.Extent.Width * pActiveView.Extent.Width / pEnvelope.Width;
double dHeight = pActiveView.Extent.Height * pActiveView.Extent.Height / pEnvelope.Height;
double dXmin = pActiveView.Extent.XMin -
((pEnvelope.XMin - pActiveView.Extent.XMin) * pActiveView.Extent.Width /
pEnvelope.Width);
double dYmin = pActiveView.Extent.YMin -
((pEnvelope.YMin - pActiveView.Extent.YMin) * pActiveView.Extent.Height /
pEnvelope.Height);
double dXmax = dXmin + dWidth;
double dYmax = dYmin + dHeight;
pEnvelope.PutCoords(dXmin, dYmin, dXmax, dYmax);
}
pActiveView.Extent = pEnvelope;
pActiveView.Refresh();
break;
case "Pan":
MainMapControl.Pan();
break;
case "MeasureLength":
//判断追踪线对象是否为空，若是则实例化并设置当前鼠标点为起始点
if (pNewLineFeedback == null)
{
//实例化追踪线对象
pNewLineFeedback = new NewLineFeedbackClass();
pNewLineFeedback.Display = (MainMapControl.Map as IActiveView).ScreenDisplay;
//设置起点，开始动态线绘制
pNewLineFeedback.Start(pPointPt);
dToltalLength = 0;
}
else //如果追踪线对象不为空，则添加当前鼠标点
{
pNewLineFeedback.AddPoint(pPointPt);
}
//pGeometry = m_PointPt;
if (dSegmentLength != 0)
{
dToltalLength = dToltalLength + dSegmentLength;
}
break;
case "MeasureArea":
if (pNewPolygonFeedback == null)
{
//实例化追踪面对象
pNewPolygonFeedback = new NewPolygonFeedback();
pNewPolygonFeedback.Display = (MainMapControl.Map as IActiveView).ScreenDisplay;
;
pAreaPointCol.RemovePoints(0, pAreaPointCol.PointCount);
//开始绘制多边形
pNewPolygonFeedback.Start(pPointPt);
pAreaPointCol.AddPoint(pPointPt, ref missing, ref missing);
}
else
{
pNewPolygonFeedback.AddPoint(pPointPt);
pAreaPointCol.AddPoint(pPointPt, ref missing, ref missing);
}
break;
case "SelFeature":
IEnvelope pEnv = MainMapControl.TrackRectangle();
IGeometry pGeo = pEnv as IGeometry;
// 矩形框若为空，即为点选时，对点的范围进行扩展
if (pEnv.IsEmpty == true)
{
tagRECT r;
r.left = e.x - 5;
r.top = e.y - 5;
r.right = e.x + 5;
r.bottom = e.y + 5;
pActiveView.ScreenDisplay.DisplayTransformation.TransformRect(pEnv, ref r, 4);
pEnv.SpatialReference = pActiveView.FocusMap.SpatialReference;
}
pGeo = pEnv as IGeometry;
MainMapControl.Map.SelectByShape(pGeo, null, false);
MainMapControl.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
//IEnvelope pEnv = MainMapControl.TrackRectangle();
//IGeometry pGeo = pEnv as IGeometry;
////矩形框若为空，即为点选时，对点范围进行扩展
//if (pEnv.IsEmpty == true)
//{
// tagRECT r;
// r.left = e.x - 5;
// r.top = e.y - 5;
// r.right = e.x + 5;
// r.bottom = e.y + 5;
// pActiveView.ScreenDisplay.DisplayTransformation.TransformRect(pEnv, ref r, 4);
// pEnv.SpatialReference = pActiveView.FocusMap.SpatialReference;
//}
//pGeo = pEnv as IGeometry;
//MainMapControl.Map.SelectByShape(pGeo, null, false);
//MainMapControl.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
break;
case "ExportRegion":
// 删除视图中的数据
MainMapControl.ActiveView.GraphicsContainer.DeleteAllElements();
MainMapControl.ActiveView.Refresh();
IPolygon polygon = DrawPolygon(MainMapControl);
if (polygon == null)
{
return;
}
ExportMap.AddElement(polygon, MainMapControl.ActiveView);
if (FrmExpMap == null || FrmExpMap.IsDisposed)
{
FrmExpMap = new FormExportMap(MainMapControl);
}
FrmExpMap.IsRegion = true;
FrmExpMap.GetGometry = polygon as IGeometry;
FrmExpMap.Show();
FrmExpMap.Activate();
break;
case "TxtSymbol":
TxtSymbol(e);
break;
default:
break;
}
}
else if (e.button == 2)
{
pMouseOperate = "";
MainMapControl.MousePointer = esriControlsMousePointer.esriPointerDefault;
}
}
