private void sure_Click(object sender, EventArgs e)
{
string layer_name = layers1.Text;
ILayer choose = null;
double @base = double.Parse(basenumber.Text);
double interval = double.Parse(dis.Text);
ILayer temp_lay;
for (int i = 0; i < m_hookHelper.FocusMap.LayerCount; i++)
{
temp_lay = m_hookHelper.FocusMap.get_Layer(i);
if (temp_lay.Name == layer_name)
{
choose = temp_lay;
}
}
IRasterLayer chooseras = choose as IRasterLayer;
ISurfaceOp2 pSurfaceOp = default(ISurfaceOp2);
pSurfaceOp = new RasterSurfaceOp() as ISurfaceOp2;
IGeoDataset pRasterDataset = chooseras as IGeoDataset;
IWorkspace pShpWS = default(IWorkspace);
IWorkspaceFactory pShpWorkspaceFactory =
new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory();
pShpWS = pShpWorkspaceFactory.OpenFromFile(FilePath, 0);
pSurfaceOp = new RasterSurfaceOp() as ISurfaceOp2;
IRasterAnalysisEnvironment pRasterAEnv =
(IRasterAnalysisEnvironment)pSurfaceOp;
pRasterAEnv.OutWorkspace = pShpWS;
IGeoDataset pOutput = default(IGeoDataset);
IFeatureClass pFeatureClass = default(IFeatureClass);
IFeatureLayer pFLayer = default(IFeatureLayer);
object tmpbase;
tmpbase = (object)@base;
object tmpmy = 1;
pOutput = pSurfaceOp.Contour(pRasterDataset, interval,
ref tmpbase, ref tmpmy);
pFeatureClass = (IFeatureClass)pOutput;
pFLayer = new FeatureLayer();
pFLayer.FeatureClass = pFeatureClass;
IGeoFeatureLayer pGeoFL = default(IGeoFeatureLayer);
pGeoFL = (IGeoFeatureLayer)pFLayer;
pGeoFL.DisplayAnnotation = false;
pGeoFL.DisplayField = "CONTOUR";
pGeoFL.Name = "CONTOUR";
m_hookHelper.FocusMap.AddLayer(pGeoFL);
}
//加载矢量图层
public static void addShapfileLayer(IMapControl3 map, string shapefilePath)
{
string fullPath = shapefilePath;
//利用"\\"将文件路径分成两部分
int Position = fullPath.LastIndexOf("\\");
//文件目录
string FilePath = fullPath.Substring(0, Position);
//
string ShpName = fullPath.Substring(Position + 1);
IWorkspaceFactory pWF;
pWF = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory();
IFeatureWorkspace pFWS;
pFWS = (IFeatureWorkspace)pWF.OpenFromFile(FilePath, 0);
IFeatureClass pFClass;
pFClass = pFWS.OpenFeatureClass(ShpName);
IFeatureLayer pFLayer;
pFLayer = new FeatureLayer();
pFLayer.FeatureClass = pFClass;
pFLayer.Name = pFClass.AliasName;
map.AddLayer(pFLayer, 0);
// MainFrom.m_mapControl.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
//选择数据源
// MainFrom.m_pTocControl.Update();
}
public ESRI.ArcGIS.Geodatabase.IFeatureClass GetFeatureClassFromShapefileOnDisk(System.String string_ShapefileName, out ESRI.ArcGIS.Geodatabase.IWorkspace workspace)
{
//We have a valid directory, proceed
System.IO.FileInfo fileInfo_check = new System.IO.FileInfo(string_ShapefileName);
if (fileInfo_check.Exists)
{
//We have a valid shapefile, proceed
ESRI.ArcGIS.Geodatabase.IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory();
workspace = workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(string_ShapefileName), 0);
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace featureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)workspace; // Explict Cast
ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass = featureWorkspace.OpenFeatureClass(System.IO.Path.GetFileName(string_ShapefileName));
return(featureClass);
}
else
{
workspace = null;
//Not valid shapefile
return(null);
}
}
//#### ArcGIS Snippets ####
#region "Add Shapefile Using OpenFileDialog"
///<summary>Add a shapefile to the ActiveView using the Windows.Forms.OpenFileDialog control.</summary>
///
///<param name="activeView">An IActiveView interface</param>
///
///<remarks></remarks>
public void AddShapefileUsingOpenFileDialog(ESRI.ArcGIS.Carto.IActiveView activeView)
{
//parameter check
if (activeView == null)
{
return;
}
// Use the OpenFileDialog Class to choose which shapefile to load.
System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
openFileDialog.InitialDirectory = "c:\\";
openFileDialog.Filter = "Shapefiles (*.shp)|*.shp";
openFileDialog.FilterIndex = 2;
openFileDialog.RestoreDirectory = true;
openFileDialog.Multiselect = false;
if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
// The user chose a particular shapefile.
// The returned string will be the full path, filename and file-extension for the chosen shapefile. Example: "C:\test\cities.shp"
string shapefileLocation = openFileDialog.FileName;
if (shapefileLocation != "")
{
// Ensure the user chooses a shapefile
// Create a new ShapefileWorkspaceFactory CoClass to create a new workspace
ESRI.ArcGIS.Geodatabase.IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory();
// System.IO.Path.GetDirectoryName(shapefileLocation) returns the directory part of the string. Example: "C:\test\"
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace featureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(shapefileLocation), 0); // Explicit Cast
// System.IO.Path.GetFileNameWithoutExtension(shapefileLocation) returns the base filename (without extension). Example: "cities"
ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass = featureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shapefileLocation));
ESRI.ArcGIS.Carto.IFeatureLayer featureLayer = new ESRI.ArcGIS.Carto.FeatureLayer();
featureLayer.FeatureClass = featureClass;
featureLayer.Name = featureClass.AliasName;
featureLayer.Visible = true;
activeView.FocusMap.AddLayer(featureLayer);
// Zoom the display to the full extent of all layers in the map
activeView.Extent = activeView.FullExtent;
activeView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeography, null, null);
}
else
{
// The user did not choose a shapefile.
// Do whatever remedial actions as necessary
// System.Windows.Forms.MessageBox.Show("No shapefile chosen", "No Choice #1",
// System.Windows.Forms.MessageBoxButtons.OK,
// System.Windows.Forms.MessageBoxIcon.Exclamation);
}
}
else
{
// The user did not choose a shapefile. They clicked Cancel or closed the dialog by the "X" button.
// Do whatever remedial actions as necessary.
// System.Windows.Forms.MessageBox.Show("No shapefile chosen", "No Choice #2",
// System.Windows.Forms.MessageBoxButtons.OK,
// System.Windows.Forms.MessageBoxIcon.Exclamation);
}
}
private void browseButton_Click(object sender, EventArgs e)
{
ESRI.ArcGIS.CatalogUI.IGxDialog browser = new ESRI.ArcGIS.CatalogUI.GxDialog();
browser.ObjectFilter = new GxFilterFeatureClassesClass();
browser.Title = "Name of Feature Class to Create";
if (!browser.DoModalSave((int)Handle))
return;
if (browser.ReplacingObject)
{
MessageBox.Show(@"Cannot overwrite an existing feature class.", @"Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
else
{
// shapefile folder
if (browser.FinalLocation is IGxFolder)
{
Dataset = null;
ESRI.ArcGIS.Geodatabase.IWorkspaceFactory wsf =
new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory();
Workspace =
wsf.OpenFromFile(browser.FinalLocation.FullName, 0) as ESRI.ArcGIS.Geodatabase.IFeatureWorkspace;
}
// geodatabase (root level)
var database = browser.FinalLocation as IGxDatabase;
if (database != null)
{
Dataset = null;
Workspace =
database.Workspace as
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace;
}
// feature dataset in a geodatabase
var dataset = browser.FinalLocation as IGxDataset;
if (dataset != null)
{
Dataset =
dataset.Dataset as
ESRI.ArcGIS.Geodatabase.IFeatureDataset;
Workspace =
dataset.Dataset.Workspace as
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace;
var geoDataset = (ESRI.ArcGIS.Geodatabase.IGeoDataset)Dataset;
if (geoDataset != null)
spatialReferenceTextBox.Text = geoDataset.SpatialReference.Name;
}
if (Workspace == null)
{
MessageBox.Show(@"Location is not a valid feature workspace.", @"Error", MessageBoxButtons.OK,
MessageBoxIcon.Error);
outputPathTextBox.Text = "";
saveButton.Enabled = false;
}
else
{
FeatureClassName = browser.Name;
outputPathTextBox.Text = browser.FinalLocation.FullName + @"\" + FeatureClassName;
saveButton.Enabled = true;
}
spatialReferenceTextBox.Text = (Dataset == null)
? @"Unknown"
: ((ESRI.ArcGIS.Geodatabase.IGeoDataset)Dataset).SpatialReference.
Name;
}
}
//#### ArcGIS Snippets ####
#region "Add Shapefile Using OpenFileDialog"
///<summary>Add a shapefile to the ActiveView using the Windows.Forms.OpenFileDialog control.</summary>
///
///<param name="activeView">An IActiveView interface</param>
///
///<remarks></remarks>
public void AddShapefileUsingOpenFileDialog(ESRI.ArcGIS.Carto.IActiveView activeView)
{
//parameter check
if (activeView == null)
{
return;
}
// Use the OpenFileDialog Class to choose which shapefile to load.
System.Windows.Forms.OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog();
openFileDialog.InitialDirectory = "c:\\";
openFileDialog.Filter = "Shapefiles (*.shp)|*.shp";
openFileDialog.FilterIndex = 2;
openFileDialog.RestoreDirectory = true;
openFileDialog.Multiselect = false;
if (openFileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
// The user chose a particular shapefile.
// The returned string will be the full path, filename and file-extension for the chosen shapefile. Example: "C:\test\cities.shp"
string shapefileLocation = openFileDialog.FileName;
if (shapefileLocation != "")
{
// Ensure the user chooses a shapefile
// Create a new ShapefileWorkspaceFactory CoClass to create a new workspace
ESRI.ArcGIS.Geodatabase.IWorkspaceFactory workspaceFactory = new ESRI.ArcGIS.DataSourcesFile.ShapefileWorkspaceFactory();
// System.IO.Path.GetDirectoryName(shapefileLocation) returns the directory part of the string. Example: "C:\test\"
ESRI.ArcGIS.Geodatabase.IFeatureWorkspace featureWorkspace = (ESRI.ArcGIS.Geodatabase.IFeatureWorkspace)workspaceFactory.OpenFromFile(System.IO.Path.GetDirectoryName(shapefileLocation), 0); // Explicit Cast
// System.IO.Path.GetFileNameWithoutExtension(shapefileLocation) returns the base filename (without extension). Example: "cities"
ESRI.ArcGIS.Geodatabase.IFeatureClass featureClass = featureWorkspace.OpenFeatureClass(System.IO.Path.GetFileNameWithoutExtension(shapefileLocation));
ESRI.ArcGIS.Carto.IFeatureLayer featureLayer = new ESRI.ArcGIS.Carto.FeatureLayer();
featureLayer.FeatureClass = featureClass;
featureLayer.Name = featureClass.AliasName;
featureLayer.Visible = true;
activeView.FocusMap.AddLayer(featureLayer);
// Zoom the display to the full extent of all layers in the map
activeView.Extent = activeView.FullExtent;
activeView.PartialRefresh(ESRI.ArcGIS.Carto.esriViewDrawPhase.esriViewGeography, null, null);
}
else
{
// The user did not choose a shapefile.
// Do whatever remedial actions as necessary
// System.Windows.Forms.MessageBox.Show("No shapefile chosen", "No Choice #1",
// System.Windows.Forms.MessageBoxButtons.OK,
// System.Windows.Forms.MessageBoxIcon.Exclamation);
}
}
else
{
// The user did not choose a shapefile. They clicked Cancel or closed the dialog by the "X" button.
// Do whatever remedial actions as necessary.
// System.Windows.Forms.MessageBox.Show("No shapefile chosen", "No Choice #2",
// System.Windows.Forms.MessageBoxButtons.OK,
// System.Windows.Forms.MessageBoxIcon.Exclamation);
}
}
