private void button1_Click(object sender, EventArgs e)
{
DialogResult result = MessageBox.Show("确定生成消防站有效覆盖区域吗？可能需要花费较长时间，生成时请勿操作计算机！", "提示", MessageBoxButtons.YesNo);
if (result != DialogResult.Yes)
{
return;
}
this.Cursor = Cursors.WaitCursor;
try
{
double a = double.Parse(textBox1.Text);
double b = double.Parse(textBox2.Text);
if (a <= 0 || a > 999 || b <= 0 || b > 999)
{
MessageBox.Show("请填入符合实际情况的数值！");
return;
}
}
catch
{
MessageBox.Show("请填入符合实际情况的数值！");
return;
}
//缓冲区分析，GP工具调用
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true; //新生成的文件可以覆盖旧生成的文件
ESRI.ArcGIS.AnalysisTools.Buffer pBuffer = new ESRI.ArcGIS.AnalysisTools.Buffer();
//设置获取缓冲区分析图层
ILayer pLayer = this.mainMapControl.get_Layer(0);
IFeatureLayer featureLayer = (IFeatureLayer)pLayer;
pBuffer.in_features = featureLayer;
string filePath = AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"太原GIS模型构建（分析版）";
pBuffer.out_feature_class = filePath + "\\" + pLayer.Name + ".shp";
//计算可达距离
double longer = double.Parse(textBox1.Text) * 1000 / 60 * double.Parse(textBox2.Text);
int longer2 = (int)longer;
//设置缓冲区距离
pBuffer.buffer_distance_or_field = longer2.ToString() + " Meters";
pBuffer.dissolve_option = "ALL";
//执行缓冲区分析
gp.Execute(pBuffer, null);
//将生成结果添加到地图中
this.mainMapControl.AddShapeFile(filePath, pLayer.Name + ".shp");
this.mainMapControl.MoveLayerTo(1, 0);
this.mainMapControl.MoveLayerTo(1, 7);
this.Cursor = Cursors.Default;
}
private void managedToolToolStripMenuItem_Click(object sender, EventArgs e)
{
// Create the geoprocessor.
Geoprocessor GP = new Geoprocessor();
GP.OverwriteOutput = true;
// Create the tool process object.
ESRI.ArcGIS.AnalysisTools.Buffer bufferTool = new
ESRI.ArcGIS.AnalysisTools.Buffer();
// Set parameter values.
bufferTool.in_features = FileGDBPath + "\\LotIds";
bufferTool.out_feature_class = FileGDBPath + "\\LotIds_BufferSystem";
bufferTool.buffer_distance_or_field = "100 Feet";
object sev = null;
try
{
// Execute the tool.
GP.Execute(bufferTool, null);
Console.WriteLine(GP.GetMessages(ref sev));
}
catch (Exception ex)
{
// Print geoprocessing execution error messages.
Console.WriteLine(GP.GetMessages(ref sev));
}
}
public static void BufferAnalysis(IFeatureLayer layer, string path, double radius, string radius_unit)
{
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//create a new instance of a buffer tool
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, path, Convert.ToString(radius) + " " + radius_unit);
//ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, this.OutputPath, "100"+" "+"Meters" );
//以下这些设置，那么选择要素呢？？。。
buffer.dissolve_option = "ALL"; //这个要设成ALL,否则相交部分不会融合
buffer.line_side = "FULL"; //默认是"FULL",最好不要改否则出错
buffer.line_end_type = "ROUND"; //默认是"ROUND",最好不要改否则出错
//execute the buffer tool (very easy :-))
IGeoProcessorResult results = null;
try
{
results = (IGeoProcessorResult)gp.Execute(buffer, null);
MessageBox.Show("缓冲区建立成功！");
}
catch (Exception ex)
{
MessageBox.Show("缓冲区建立失败！");
// txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
}
private void btn_Confirm_Click(object sender, RoutedEventArgs e)
{
Mouse.SetCursor(Cursors.Wait);
double bufferDistance;
double.TryParse(txb_BufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
new MessageWindow("缓冲距离不可为0").Show();
return;
}
if (featureLayers == null || featureLayers.Count == 0)
{
new MessageWindow("没有图层").Show();
return;
}
IFeatureLayer featureLayer = GetFeatureLayer(comboBoxSelect);
if (featureLayer == null)
{
return;
}
Geoprocessor geoprocessor = new Geoprocessor();
geoprocessor.OverwriteOutput = true;
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(featureLayer, this.txb_SavaPath.Text, Convert.ToString(bufferDistance + " Meters"));
buffer.dissolve_option = "ALL"; //相交部分不会融合
buffer.line_side = "FULL"; //默认是"FULL"
buffer.line_end_type = "ROUND"; //默认是"ROUND"
IGeoProcessorResult geoProcessorResult = null;
try
{
geoProcessorResult = (IGeoProcessorResult)geoprocessor.Execute(buffer, null);
loadBufferResultEvemtHandle.Invoke(savaFilePath, comboBoxSelect + "_buffer.shp");
new MessageWindow("缓冲区建立成功").Show();
Mouse.SetCursor(Cursors.Arrow);
this.Close();
}
catch
{
new MessageWindow("缓冲区建立失败").Show();
Mouse.SetCursor(Cursors.Arrow);
}
}
private void btnBuffer_Click(object sender, EventArgs e)
{
//缓冲距离
double bufferDistance;
//输入的缓冲距离转换为double
double.TryParse(txtBufferDistance.Text.ToString(), out bufferDistance);
//判断输出路径是否合法
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(texOutputPath.Text)) || ".shp" != System.IO.Path.GetExtension(texOutputPath.Text))
{
MessageBox.Show("输出路径错误！！！");
return;
}
if (mHookHelper.FocusMap.LayerCount == 0)
{
return;
}
//获取图层
IFeatureLayer pFeatureLayer = GetFatureLayer((string)cboLayer.SelectedItem);
if (null == pFeatureLayer)
{
MessageBox.Show("图层" + (string)cboLayer.SelectedItem + "不存在！\r\n");
return;
}
//获取一个geoprocessor的实例
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
strOutputPath = texOutputPath.Text;
//创建应Buffer工具的实例
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(pFeatureLayer, strOutputPath, bufferDistance.ToString());
//执行缓冲区分析
IGeoProcessorResult result = null;
result = (IGeoProcessorResult)gp.Execute(buffer, null);
//判断缓冲区分析是否成功
if (result.Status != esriJobStatus.esriJobSucceeded)
{
MessageBox.Show("图层" + pFeatureLayer.Name + "缓冲区生成失败！");
}
else
{
this.DialogResult = DialogResult.OK;
MessageBox.Show("缓冲区生成成功！");
}
}
public bool MakeTimeStep(string inFileName, string outFileName, IPoint from, IPoint to)
{
IFeatureClass fc = null;
IPolyline line = null;
//string path;
//string fileName;
bool result = true;
fc = this.CreateEmptyFeatureClass(inFileName, "POLYLINE");
line = this.MakePolyLine(from, to);
this.addGeometry(fc, line as IGeometry);
ESRI.ArcGIS.AnalysisTools.Buffer buf = new ESRI.ArcGIS.AnalysisTools.Buffer();
buf.buffer_distance_or_field = 100;
buf.line_end_type = "ROUND";
buf.in_features = fc;
buf.out_feature_class = outFileName;
this.RunProcess(buf, null);
return(result);
}
private void button1_Click(object sender, EventArgs e)
{
//判断Mapcontrol中是否包含图层
if (this.axMapControl1.LayerCount == 0)
{
return;
}
//获取mapcontrol最终的第一图层
ILayer pLayer = this.axMapControl1.Map.get_Layer(0);
//输出路径，可以自行制定
string strOutputPath = @"D:\Buffer.shp";
//缓冲半径
double dbDistace = 1.0;
//获取一个geoprocessor的实例，避免与命名空间Geoprocessing中的Geoprocessor发生引用错误
ESRI.ArcGIS.Geoprocessor.Geoprocessor gp = new ESRI.ArcGIS.Geoprocessor.Geoprocessor();
//OverwriteOutput为真时，输出图层会覆盖当前文件夹下的同名图层
gp.OverwriteOutput = true;
//创建应Buffer工具的实例
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(pLayer, strOutputPath, dbDistace);
//执行缓冲区分析
IGeoProcessorResult result = null;
result = gp.Execute(buffer, null) as IGeoProcessorResult;
//判断缓冲区分析是否成功
if (result.Status != esriJobStatus.esriJobSucceeded)
{
MessageBox.Show("图层" + pLayer.Name + "缓冲区生成失败！");
}
else
{
MessageBox.Show("缓冲区生成成功！");
//将生成成功的图层加入到Mapcontrol中
int index = strOutputPath.LastIndexOf("\\");
this.axMapControl1.AddShapeFile(strOutputPath.Substring(0, index), strOutputPath.Substring(index));
}
}
private void 获取报错信息ToolStripMenuItem_Click(object sender, EventArgs e)
{
Geoprocessor GP = new Geoprocessor();
GP.OverwriteOutput = true;
// Create the tool process object.
ESRI.ArcGIS.AnalysisTools.Buffer bufferTool = new
ESRI.ArcGIS.AnalysisTools.Buffer();
// Set parameter values.
//bufferTool.in_features = FileGDBPath + "\\LotIds";
bufferTool.in_features = FileGDBPath + "\\line";
//bufferTool.out_feature_class = FileGDBPath + "\\LotIds_BufferSystem";
bufferTool.out_feature_class = FileGDBPath + "\\line_Buffer";
bufferTool.buffer_distance_or_field = "100 Feet";
bufferTool.line_side = "LEFT";
bufferTool.line_end_type = "FLAT";
try
{
IGeoProcessorResult2 result = GP.Execute(bufferTool, null) as IGeoProcessorResult2;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "GP Error");
}
finally
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
for (int i = 0; i < GP.MessageCount; i++)
{
sb.AppendLine(GP.GetMessage(i));
}
if (sb.Capacity > 0)
{
MessageBox.Show(sb.ToString(), "GP Messages");
}
}
}
private void btnBuffer_Click(object sender, EventArgs e)
{
//timer 控件可用
timerPro.Enabled = true;
//scroll the textbox to the bottom
txtMessages.Text = "\r\n分析开始,这可能需要几分钟时间,请稍候..\r\n";
txtMessages.Update();
ScrollToBottom();
//make sure that all parameters are okay
double bufferDistance;
//转换distance为double类型
double.TryParse(txtBufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
MessageBox.Show("Bad buffer distance!");
return;
}
//判断输出路径是否合法
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) ||
".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("Bad output filename!");
return;
}
//判断图层个数
if (pMap.LayerCount == 0)
{
return;
}
//get the layer from the map
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
txtMessages.Text += "Layer " + (string)cboLayers.SelectedItem + "cannot be found!\r\n";
return;
}
//get an instance of the geoprocessor
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//create a new instance of a buffer tool
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(bufferDistance) + " " + (string)cboUnits.SelectedItem);
buffer.dissolve_option = "ALL"; //这个要设成ALL,否则相交部分不会融合
//buffer.line_side = "FULL"; //默认是"FULL",最好不要改否则出错
//buffer.line_end_type = "ROUND"; //默认是"ROUND",最好不要改否则出错
//execute the buffer tool (very easy :-))
IGeoProcessorResult results = null;
try
{
results = (IGeoProcessorResult)gp.Execute(buffer, null);
}
catch
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
if (results.Status != esriJobStatus.esriJobSucceeded)
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
//scroll the textbox to the bottom
ScrollToBottom();
txtMessages.Text += "\r\n分析完成.\r\n";
timerPro.Enabled = false;
gp = null;
}
private void button1_Click(object sender, EventArgs e)
{
double bufferDistance;
double.TryParse(txtBufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
MessageBox.Show("距离设置错误", "Error!");
return;
}
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) || ".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("输出格式错误！");
return;
}
if (comboBoxLayer.Items.Count <= 0)
{
return;
}
DataOperator pDo = new DataOperator(m_map, null);
IFeatureLayer pFl = (IFeatureLayer)pDo.GetLayerbyName(comboBoxLayer.SelectedItem.ToString());
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
gp.AddOutputsToMap = true;
string unit = "Kilometers";
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(pFl, txtOutputPath.Text, Convert.ToString(bufferDistance) + "" + unit);
try
{
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(buffer, null);
}
catch
{
}
string fileDirectory = txtOutputPath.Text.ToString().Substring(0, txtOutputPath.Text.LastIndexOf("\\"));
int j;
j = txtOutputPath.Text.LastIndexOf("\\");
string tmpstr = txtOutputPath.Text.ToString().Substring(j + 1);
IWorkspaceFactory pWsf = new ShapefileWorkspaceFactory() as IWorkspaceFactory;
IWorkspace pWs = pWsf.OpenFromFile(fileDirectory, 0);
IFeatureWorkspace pFs = pWs as IFeatureWorkspace;
IFeatureClass pFc = pFs.OpenFeatureClass(tmpstr);
IFeatureLayer pfl = new FeatureLayer() as IFeatureLayer;
pfl.FeatureClass = pFc;
IRgbColor pColor = new RgbColor() as IRgbColor;
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 255;
ILineSymbol pOutline = new SimpleLineSymbol();
pOutline.Width = 2;
pOutline.Color = pColor;
pColor = new RgbColor();
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 100;
ISimpleFillSymbol pFillSymbol = new SimpleFillSymbol();
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
pFillSymbol.Style = esriSimpleFillStyle.esriSFSSolid;
ISimpleRenderer pRen;
IGeoFeatureLayer pGeofl = pfl as IGeoFeatureLayer;
pRen = pGeofl.Renderer as ISimpleRenderer;
pRen.Symbol = pFillSymbol as ISymbol;
pGeofl.Renderer = pRen as IFeatureRenderer;
ILayerEffects pLayerEffects = pfl as ILayerEffects;
pLayerEffects.Transparency = 150;
m_mapControl.AddLayer((ILayer)pfl, 0);
MessageBox.Show(comboBoxLayer.SelectedText + "缓冲区生成成功！");
}
private void btnBuffer_Click(object sender, EventArgs e)
{
//make sure that all parameters are okay
double bufferDistance;
double.TryParse(txtBufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
MessageBox.Show("Bad buffer distance!");
return;
}
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) ||
".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("Bad output filename!");
return;
}
if (m_hookHelper.FocusMap.LayerCount == 0)
return;
//get the layer from the map
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
txtMessages.Text += "Layer " + (string)cboLayers.SelectedItem + "cannot be found!\r\n";
return;
}
//scroll the textbox to the bottom
ScrollToBottom();
//add message to the messages box
txtMessages.Text += "Buffering layer: " + layer.Name + "\r\n";
txtMessages.Text += "\r\nGet the geoprocessor. This might take a few seconds...\r\n";
txtMessages.Update();
//get an instance of the geoprocessor
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
txtMessages.Text += "Buffering...\r\n";
txtMessages.Update();
//create a new instance of a buffer tool
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(bufferDistance) + " " + (string)cboUnits.SelectedItem);
//execute the buffer tool (very easy :-))
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(buffer, null);
if (results.Status != esriJobStatus.esriJobSucceeded)
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
txtMessages.Text += ReturnMessages(gp);
//scroll the textbox to the bottom
ScrollToBottom();
txtMessages.Text += "\r\nDone.\r\n";
txtMessages.Text += "-----------------------------------------------------------------------------------------\r\n";
//scroll the textbox to the bottom
ScrollToBottom();
}
private void btnBuffer_Click(object sender, EventArgs e)
{
//timer �ؼ�����
timerPro.Enabled = true;
//scroll the textbox to the bottom
txtMessages.Text = "\r\n������ʼ,�������Ҫ������ʱ��,���Ժ�..\r\n";
txtMessages.Update();
ScrollToBottom();
//make sure that all parameters are okay
double bufferDistance;
//ת��distanceΪdouble����
double.TryParse(txtBufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
MessageBox.Show("Bad buffer distance!");
return;
}
//�ж����·���Ƿ�Ϸ�
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) ||
".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("Bad output filename!");
return;
}
//�ж�ͼ�����
if (pMap.LayerCount == 0)
return;
//get the layer from the map
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
txtMessages.Text += "Layer " + (string)cboLayers.SelectedItem + "cannot be found!\r\n";
return;
}
//get an instance of the geoprocessor
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//create a new instance of a buffer tool
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(bufferDistance) + " " + (string)cboUnits.SelectedItem);
buffer.dissolve_option = "ALL"; //���Ҫ���ALL,�����ཻ���ֲ����ں�
//buffer.line_side = "FULL"; //Ĭ����"FULL",��ò�Ҫ�ķ������
//buffer.line_end_type = "ROUND"; //Ĭ����"ROUND",��ò�Ҫ�ķ������
//execute the buffer tool (very easy :-))
IGeoProcessorResult results = null;
try
{
results = (IGeoProcessorResult)gp.Execute(buffer, null);
}
catch
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
if (results.Status != esriJobStatus.esriJobSucceeded)
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
//scroll the textbox to the bottom
ScrollToBottom();
txtMessages.Text += "\r\n�������.\r\n";
timerPro.Enabled = false;
gp = null;
}
private void btnBuffer_Click(object sender, EventArgs e)
{
//make sure that all parameters are okay
double bufferDistance;
double.TryParse(txtBufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
MessageBox.Show("Bad buffer distance!");
return;
}
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) ||
".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("Bad output filename!");
return;
}
if (m_hookHelper.FocusMap.LayerCount == 0)
{
return;
}
//get the layer from the map
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
txtMessages.Text += "Layer " + (string)cboLayers.SelectedItem + "cannot be found!\r\n";
return;
}
//scroll the textbox to the bottom
ScrollToBottom();
//add message to the messages box
txtMessages.Text += "Buffering layer: " + layer.Name + "\r\n";
txtMessages.Text += "\r\nGet the geoprocessor. This might take a few seconds...\r\n";
txtMessages.Update();
//get an instance of the geoprocessor
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
txtMessages.Text += "Buffering...\r\n";
txtMessages.Update();
//create a new instance of a buffer tool
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(bufferDistance) + " " + (string)cboUnits.SelectedItem);
//execute the buffer tool (very easy :-))
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(buffer, null);
if (results.Status != esriJobStatus.esriJobSucceeded)
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
txtMessages.Text += ReturnMessages(gp);
//scroll the textbox to the bottom
ScrollToBottom();
txtMessages.Text += "\r\nDone.\r\n";
txtMessages.Text += "-----------------------------------------------------------------------------------------\r\n";
//scroll the textbox to the bottom
ScrollToBottom();
}
private void button1_Click(object sender, EventArgs e)
{
IFeature pFeature;
IFeatureClass pFeatureClass;
IFeatureCursor pFeatureCursor = null;
pFeatureClass = (GetLayerByName(this.cboField.Text) as IFeatureLayer).FeatureClass;
pFeatureCursor = pFeatureClass.Search(null, true);
pFeature = pFeatureCursor.NextFeature();
IFeature sFeature;
IFeatureClass sFeatureClass;
IFeatureCursor sFeatureCursor = null;
sFeatureClass = (GetLayerByName(this.cboSch.Text) as IFeatureLayer).FeatureClass;
sFeatureCursor = sFeatureClass.Search(null, true);
sFeature = sFeatureCursor.NextFeature();
IGeometry pTemPt;
//空间包含查询
IRelationalOperator pRelOpt = pFeature.Shape as IRelationalOperator;
while (sFeature != null)
{
pTemPt = sFeature.ShapeCopy;
if (pRelOpt.Contains(pTemPt))
{
axMap.Map.SelectFeature((GetLayerByName(this.cboSch.Text) as IFeatureLayer), sFeature);
axMap.ActiveView.Refresh();
}
sFeature = sFeatureCursor.NextFeature();
}
IFeatureLayer pFeatureLayer = GetLayerByName(this.cboSch.Text);
//缓冲距离
double bufferDistance;
//输入的缓冲距离转换为double
double.TryParse("5000", out bufferDistance);
string outputpath = "schdata\\中学_buffer.shp";
//判断输出路径是否合法
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(outputpath)) ||
".shp" != System.IO.Path.GetExtension(outputpath))
{
MessageBox.Show("输出路径错误!");
return;
}
//获取一个geoprocessor的实例
Geoprocessor gp = new Geoprocessor();
//OverwriteOutput为真时，输出图层会覆盖当前文件夹下的同名图层
gp.OverwriteOutput = true;
string distance = "5000";
//创建一个Buffer工具的实例
//ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(pFeatureLayer, strOutputPath, bufferDistance.ToString());
string para = distance + " Meters";
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer();
//IFeatureLayer pFeatureLayer = (IFeatureLayer)pEnumFeatureSetup;
//IFeatureLayer pFeatureLayer = mMapControl.Map.FeatureSelection as IFeatureLayer;
buffer.in_features = /*pEnumFeatureSetup*/pFeatureLayer;
buffer.out_feature_class = outputpath;
buffer.buffer_distance_or_field = para;
buffer.dissolve_option = "ALL";
//执行缓冲区分析
IGeoProcessorResult results = null;
//results = (IGeoProcessorResult)gp.Execute(buffer, null);
results = (IGeoProcessorResult)gp.Execute(buffer, null);
//判断缓冲区是否成功生成
if (results.Status != esriJobStatus.esriJobSucceeded)
MessageBox.Show("图层" + "缓冲区生成失败！");
else
{
this.DialogResult = DialogResult.OK;
//MessageBox.Show("缓冲区生成成功！");
axMap.AddShapeFile("schdata", "中学_buffer.shp");
}
//进行叠置分析裁剪图层
Clip(cboField.Text);
}
private void btnBuffer_Click(object sender, EventArgs e)
{
//make sure that all parameters are okay
double bufferDistance;
//转换distance为double类型
double.TryParse(txtBufferDistance.Text, out bufferDistance);
if (0.0 == bufferDistance)
{
MessageBox.Show("Bad buffer distance!");
return;
}
//判断输出路径是否合法
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) ||
".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("Bad output filename!");
return;
}
//判断图层个数
if (m_hookHelper.FocusMap.LayerCount == 0)
return;
//get the layer from the map
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
txtMessages.Text += "Layer " + (string)cboLayers.SelectedItem + "cannot be found!\r\n";
return;
}
//scroll the textbox to the bottom
ScrollToBottom();
txtMessages.Text += "\r\n分析开始，这可能需要几分钟时间,请稍候..\r\n";
txtMessages.Update();
//get an instance of the geoprocessor
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
//create a new instance of a buffer tool
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(bufferDistance) + " " + (string)cboUnits.SelectedItem);
buffer.dissolve_option = "ALL";//这个要设成ALL,否则相交部分不会融合
//buffer.line_side = "FULL";//默认是"FULL",最好不要改否则出错
//buffer.line_end_type = "ROUND";//默认是"ROUND",最好不要改否则出错
//execute the buffer tool (very easy :-))
IGeoProcessorResult results = null;
try
{
results = (IGeoProcessorResult)gp.Execute(buffer, null);
}
catch (Exception ex)
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
if (results.Status != esriJobStatus.esriJobSucceeded)
{
txtMessages.Text += "Failed to buffer layer: " + layer.Name + "\r\n";
}
//scroll the textbox to the bottom
ScrollToBottom();
txtMessages.Text += "\r\n分析完成.\r\n";
txtMessages.Text += "-----------------------------------------------------------------------------------------\r\n";
//scroll the textbox to the bottom
ScrollToBottom();
}
/*变量：
* 1、图层
* 2、距离
* 3、单位
* 4、保存路径
*/
private void button1_Click(object sender, EventArgs e)
{
double bufferDistance, bufferDistance2, bufferDistance3;
double.TryParse(txtBufferDistance.Text, out bufferDistance);
double.TryParse(txtBufferDistance2.Text, out bufferDistance2);
double.TryParse(txtBufferDistance3.Text, out bufferDistance3);
if (CNunit.SelectedIndex == 0)
DW= "Meters";
else if (CNunit.SelectedIndex == 1)
DW= "Kilometers";
if (0.0 == bufferDistance)
{
MessageBox.Show("输入范围距离无效！");
return;
}
if (CNunit.SelectedItem == null)
{
MessageBox.Show("请选择单位", "提示");
return;
}
//判断输出路径是否合法
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) ||".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("输出路径无效！");
return;
}
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
MessageBox.Show("选中图层无效！");
return;
}
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
double[] dis = { 0, bufferDistance, bufferDistance2, bufferDistance3 };
double[]distance={bufferDistance,bufferDistance2,bufferDistance3};
string[] level = { "", "高级", "中级", "低级" };
int i = 1;
txtOutputPath.Text = System.IO.Path.Combine(SystemSet.Base_Map + "\\处理数据库\\实验数据", (level[i] + "_" + (string)cboLayers.SelectedItem + "_范围.shp"));
int l1 = txtOutputPath.Text.LastIndexOf("\\");
lab_message.Text = txtOutputPath.Text.Substring(l1 + 1) + "正在处理···";
ESRI.ArcGIS.AnalysisTools.MultipleRingBuffer mulBuffer = new MultipleRingBuffer();
mulBuffer.Input_Features = layer;
mulBuffer.Output_Feature_class = txtOutputPath.Text;
mulBuffer.Buffer_Unit = "Meters";
mulBuffer.Distances = distance;//[bufferDistance, bufferDistance2, bufferDistance3];
mulBuffer.Outside_Polygons_Only = "full";
mulBuffer.Field_Name = "分析半径";
gp.Execute(mulBuffer, null);
MessageBox.Show("成功");
while (i < 4)
{
//修改当前指针样式
this.Cursor = Cursors.WaitCursor;
//调用缓冲去区处理工具buffer
txtOutputPath.Text = System.IO.Path.Combine(SystemSet.Base_Map+"\\处理数据库\\实验数据", (level[i] + "_" + (string)cboLayers.SelectedItem + "_buffer.shp"));
int l = txtOutputPath.Text.LastIndexOf("\\");
lab_message.Text = txtOutputPath.Text.Substring(l+1) + "正在处理···";
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(dis[i]) +" "+DW);//单级缓冲
//gp.Execute(buffer, null);
try
{
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(buffer, null);
if (results.Status != esriJobStatus.esriJobSucceeded)
{
MessageBox.Show("缓冲区失败的图层: " + layer.Name, "提示！");
}
this.Cursor = Cursors.Default;
MessageBox.Show(level[i]+"_" +layer.Name + "分析统计完成！", "提示!");
//将统计分析完成的图层添加到mapcontrol
IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass();//定义工作空间工厂接口
IWorkspace pWorkSpace = pWorkspaceFactory.OpenFromFile(txtOutputPath.Text.Substring(0, txtOutputPath.Text.Length - (level[i]+"_" + (string)cboLayers.SelectedItem + "_buffer.shp").Length), 0);//实例化工作空间
IFeatureWorkspace pFeatureWorkspace = pWorkSpace as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(level[i]+"_" +(string)cboLayers.SelectedItem + "_buffer.shp");//
//以上得到的是featureclass。
IDataset pDataset = pFeatureClass as IDataset;
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = pFeatureClass;
pFeatureLayer.Name = pDataset.Name;//图层名称
ILayer pLayer = pFeatureLayer as ILayer;
m_hookHelper.FocusMap.AddLayer(pLayer);
m_hookHelper.FocusMap.MoveLayer(pLayer, cboLayers.SelectedIndex + i);
i++;
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
this.Cursor = Cursors.Default;
this.Close();
return;
}
}
//GISHandler.GISTools.QueryByBuffer(m_hookHelper);
this.Close();
StasticResult SR = new StasticResult(this.mapContol);
SR.Show();
SR.StartPosition = FormStartPosition.CenterScreen;
SR.TopMost = true;
//1、将结果图层添加到axmapcontrol中
//2、多级缓冲 -->方法递归调用。/for循环三次 distance+=distance(图层叠加在一起 不好进行统计。)
//3、将各级缓冲区中所叠置基图中的属性信息 自定义提取 装入 gridcontrol中。完成！
}
/*变量：
* 1、图层
* 2、距离
* 3、单位
* 4、保存路径
*/
private void button1_Click(object sender, EventArgs e)
{
double bufferDistance, bufferDistance2, bufferDistance3;
double.TryParse(txtBufferDistance.Text, out bufferDistance);
double.TryParse(txtBufferDistance2.Text, out bufferDistance2);
double.TryParse(txtBufferDistance3.Text, out bufferDistance3);
if (CNunit.SelectedIndex == 0)
{
DW = "Meters";
}
else if (CNunit.SelectedIndex == 1)
{
DW = "Kilometers";
}
if (0.0 == bufferDistance)
{
MessageBox.Show("输入范围距离无效！");
return;
}
if (CNunit.SelectedItem == null)
{
MessageBox.Show("请选择单位", "提示");
return;
}
//判断输出路径是否合法
if (!System.IO.Directory.Exists(System.IO.Path.GetDirectoryName(txtOutputPath.Text)) || ".shp" != System.IO.Path.GetExtension(txtOutputPath.Text))
{
MessageBox.Show("输出路径无效！");
return;
}
IFeatureLayer layer = GetFeatureLayer((string)cboLayers.SelectedItem);
if (null == layer)
{
MessageBox.Show("选中图层无效！");
return;
}
Geoprocessor gp = new Geoprocessor();
gp.OverwriteOutput = true;
double[] dis = { 0, bufferDistance, bufferDistance2, bufferDistance3 };
double[] distance = { bufferDistance, bufferDistance2, bufferDistance3 };
string[] level = { "", "高级", "中级", "低级" };
int i = 1;
txtOutputPath.Text = System.IO.Path.Combine(SystemSet.Base_Map + "\\处理数据库\\实验数据", (level[i] + "_" + (string)cboLayers.SelectedItem + "_范围.shp"));
int l1 = txtOutputPath.Text.LastIndexOf("\\");
lab_message.Text = txtOutputPath.Text.Substring(l1 + 1) + "正在处理···";
ESRI.ArcGIS.AnalysisTools.MultipleRingBuffer mulBuffer = new MultipleRingBuffer();
mulBuffer.Input_Features = layer;
mulBuffer.Output_Feature_class = txtOutputPath.Text;
mulBuffer.Buffer_Unit = "Meters";
mulBuffer.Distances = distance;//[bufferDistance, bufferDistance2, bufferDistance3];
mulBuffer.Outside_Polygons_Only = "full";
mulBuffer.Field_Name = "分析半径";
gp.Execute(mulBuffer, null);
MessageBox.Show("成功");
while (i < 4)
{
//修改当前指针样式
this.Cursor = Cursors.WaitCursor;
//调用缓冲去区处理工具buffer
txtOutputPath.Text = System.IO.Path.Combine(SystemSet.Base_Map + "\\处理数据库\\实验数据", (level[i] + "_" + (string)cboLayers.SelectedItem + "_buffer.shp"));
int l = txtOutputPath.Text.LastIndexOf("\\");
lab_message.Text = txtOutputPath.Text.Substring(l + 1) + "正在处理···";
ESRI.ArcGIS.AnalysisTools.Buffer buffer = new ESRI.ArcGIS.AnalysisTools.Buffer(layer, txtOutputPath.Text, Convert.ToString(dis[i]) + " " + DW);//单级缓冲
//gp.Execute(buffer, null);
try
{
IGeoProcessorResult results = (IGeoProcessorResult)gp.Execute(buffer, null);
if (results.Status != esriJobStatus.esriJobSucceeded)
{
MessageBox.Show("缓冲区失败的图层: " + layer.Name, "提示！");
}
this.Cursor = Cursors.Default;
MessageBox.Show(level[i] + "_" + layer.Name + "分析统计完成！", "提示!");
//将统计分析完成的图层添加到mapcontrol
IWorkspaceFactory pWorkspaceFactory = new ShapefileWorkspaceFactoryClass(); //定义工作空间工厂接口
IWorkspace pWorkSpace = pWorkspaceFactory.OpenFromFile(txtOutputPath.Text.Substring(0, txtOutputPath.Text.Length - (level[i] + "_" + (string)cboLayers.SelectedItem + "_buffer.shp").Length), 0); //实例化工作空间
IFeatureWorkspace pFeatureWorkspace = pWorkSpace as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(level[i] + "_" + (string)cboLayers.SelectedItem + "_buffer.shp"); //
//以上得到的是featureclass。
IDataset pDataset = pFeatureClass as IDataset;
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = pFeatureClass;
pFeatureLayer.Name = pDataset.Name;//图层名称
ILayer pLayer = pFeatureLayer as ILayer;
m_hookHelper.FocusMap.AddLayer(pLayer);
m_hookHelper.FocusMap.MoveLayer(pLayer, cboLayers.SelectedIndex + i);
i++;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
this.Cursor = Cursors.Default;
this.Close();
return;
}
}
//GISHandler.GISTools.QueryByBuffer(m_hookHelper);
this.Close();
StasticResult SR = new StasticResult(this.mapContol);
SR.Show();
SR.StartPosition = FormStartPosition.CenterScreen;
SR.TopMost = true;
//1、将结果图层添加到axmapcontrol中
//2、多级缓冲 -->方法递归调用。/for循环三次 distance+=distance(图层叠加在一起 不好进行统计。)
//3、将各级缓冲区中所叠置基图中的属性信息 自定义提取 装入 gridcontrol中。完成！
}
