private void simpleButton4_Click(object sender, EventArgs e)
{
if (this.comboBoxInputRaster.Text.ToString() == "" || this.comboBoxContrastRaster.Text.ToString() == "" || this.comboBoxOutputRaster.Text.ToString() == "")
{
MessageBox.Show("请输入参数！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}//有任意一个空为空则弹出对话框提示：请输入参数。
string strResultsDBPath = m_pGDBHelper.GetResultsDBPath();//声明变量获取数据库结果路径
string ToolName = "minusmethod";
if (comboBoxMethod.Text == "差值法")
{
ToolName = "minusmethod";
}
if (comboBoxMethod.Text == "比值法")
{
ToolName = "ratiomethod";
}
if (Utilities.GDBUtilites.CheckNameExist(strResultsDBPath, this.comboBoxOutputRaster.Text.ToString()) == false)//如果没有同名文件
{
//执行PCA分析
ILayer pInputLayer1 = null;
ILayer pInputLayer2 = null;
for (int i = 0; i < m_pMapCtrl.LayerCount; i++)
{
if (m_pMapCtrl.get_Layer(i).Name == this.comboBoxInputRaster.Text.ToString())
{
pInputLayer1 = m_pMapCtrl.get_Layer(i);
}
else if (m_pMapCtrl.get_Layer(i).Name == this.comboBoxContrastRaster.Text.ToString())
{
pInputLayer2 = m_pMapCtrl.get_Layer(i);
}
}
if (pInputLayer1 != null && pInputLayer2 != null)
{
IRasterLayer pRasterLayer1 = pInputLayer1 as IRasterLayer;
IRasterLayer pRasterLayer2 = pInputLayer2 as IRasterLayer;
string rasterpath1 = pRasterLayer1.FilePath;
string rasterpath2 = pRasterLayer2.FilePath;
IGeoProcessor2 pGP = new GeoProcessorClass();
string GPPath = m_pGDBHelper.GetToolboxPath();
pGP.AddToolbox(GPPath);
IVariantArray gpParameters = new VarArrayClass();
//gpParameters.Add(pRasterLayer1.Raster);
//gpParameters.Add(pRasterLayer2.Raster);
gpParameters.Add(rasterpath1);
gpParameters.Add(rasterpath2);
gpParameters.Add(strResultsDBPath + "\\" + this.comboBoxOutputRaster.Text);
IGeoProcessorResult pGeoProcessorResult = null;
pGeoProcessorResult = pGP.Execute(ToolName, gpParameters, null);
if (pGeoProcessorResult.Status == esriJobStatus.esriJobSucceeded)
{
if (this.checkBoxAdd.Checked)
{
IWorkspaceFactory2 pWKF = new FileGDBWorkspaceFactoryClass();
IRasterWorkspaceEx pRasterWKEx = (IRasterWorkspaceEx)pWKF.OpenFromFile(m_pGDBHelper.GetResultsDBPath(), 0);
IRasterDataset3 pRasterDataset = pRasterWKEx.OpenRasterDataset(this.comboBoxOutputRaster.Text.ToString()) as IRasterDataset3;
Utilities.MapUtilites.AddRasterLayer(m_pMapCtrl.ActiveView, pRasterDataset, null);
}
MessageBox.Show("影像代数分析完成！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
this.DialogResult = DialogResult.OK;
this.Close();
}
else
{
MessageBox.Show("已存在同名数据！", "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
}
private void comboBoxDataSource_SelectedIndexChanged(object sender, EventArgs e)
{
//cyf 20110613 add
//this.comboBoxFeaClass.Items.Clear();
//end
SysGisTable sysTable = new SysGisTable(_tmpWorkspace);
Exception eError;
//根据用户选择的数据源，得到数据源的工作空间
string DataSourceName = this.comboBoxDataSource.Text;
string conninfostr = sysTable.GetFieldValue("DATABASEMD", "CONNECTIONINFO", "DATABASENAME='" + DataSourceName + "'", out eError).ToString();
int type = int.Parse(sysTable.GetFieldValue("DATABASEMD", "DATAFORMATID", "DATABASENAME='" + DataSourceName + "'", out eError).ToString());
string strDBPara = sysTable.GetFieldValue("DATABASEMD", "DBPARA", "DATABASENAME='" + DataSourceName + "'", out eError).ToString();
int index6 = conninfostr.LastIndexOf("|");
//string strdataset = conninfostr.Substring(index6 + 1);
IWorkspace pWorkspace = ModuleMap.GetWorkSpacefromConninfo(conninfostr, type);
if (pWorkspace == null)
{
return;
}
_ListDataset.Clear();
_ListTypeOfDataset.Clear();
string strDatasets = conninfostr.Substring(index6 + 1);
string[] strTemp = strDatasets.Split(new char[] { ',' });
IFeatureWorkspace pFeaWorkSpace = pWorkspace as IFeatureWorkspace;
if (pFeaWorkSpace != null)
{
for (int k = 0; k < strTemp.Length; k++)
{
IDataset pTmpdataset = null;
if (strDBPara.Contains("栅格数据集"))
{
IRasterWorkspaceEx rasterWorkspace = (IRasterWorkspaceEx)pFeaWorkSpace;
IRasterDataset pRDataset = rasterWorkspace.OpenRasterDataset(strTemp[k]);
pTmpdataset = pRDataset as IDataset;
if (pTmpdataset != null)
{
_ListTypeOfDataset.Add("RD");
}
}
else if (strDBPara.Contains("栅格编目"))
{
IRasterWorkspaceEx rasterWorkspace = (IRasterWorkspaceEx)pFeaWorkSpace;
IRasterCatalog pRCatalog = rasterWorkspace.OpenRasterCatalog(strTemp[k]);
pTmpdataset = pRCatalog as IDataset;
if (pTmpdataset != null)
{
_ListTypeOfDataset.Add("RC");
}
}
else
{
pTmpdataset = pFeaWorkSpace.OpenFeatureDataset(strTemp[k]) as IDataset;
if (pTmpdataset != null)
{
_ListTypeOfDataset.Add("FC");
}
}
if (pTmpdataset != null)
{
_ListDataset.Add(pTmpdataset);
}
}
}
_dataWorkspace = pWorkspace;
if (pWorkspace == null)
{
return;
}
}
private void AddAllDataset(IWorkspace pWorkspace, AxMapControl mapControl)
{
IEnumDataset pEnumDataset = pWorkspace.get_Datasets(ESRI.ArcGIS.Geodatabase.esriDatasetType.esriDTAny);
pEnumDataset.Reset();
//将Enum数据集中的数据一个个读到DataSet中
IDataset pDataset = pEnumDataset.Next();
//判断数据集是否有数据
while (pDataset != null)
{
if (pDataset is IFeatureDataset) //要素数据集
{
IFeatureWorkspace pFeatureWorkspace = (IFeatureWorkspace)pWorkspace;
IFeatureDataset pFeatureDataset = pFeatureWorkspace.OpenFeatureDataset(pDataset.Name);
IEnumDataset pEnumDataset1 = pFeatureDataset.Subsets;
pEnumDataset1.Reset();
IGroupLayer pGroupLayer = new GroupLayerClass();
pGroupLayer.Name = pFeatureDataset.Name;
IDataset pDataset1 = pEnumDataset1.Next();
while (pDataset1 != null)
{
if (pDataset1 is IFeatureClass) //要素类
{
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(pDataset1.Name);
if (pFeatureLayer.FeatureClass != null)
{
pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName;
pGroupLayer.Add(pFeatureLayer);
mapControl.Map.AddLayer(pFeatureLayer);
}
}
pDataset1 = pEnumDataset1.Next();
}
}
else if (pDataset is IFeatureClass) //要素类
{
IFeatureWorkspace pFeatureWorkspace = (IFeatureWorkspace)pWorkspace;
IFeatureLayer pFeatureLayer = new FeatureLayerClass();
pFeatureLayer.FeatureClass = pFeatureWorkspace.OpenFeatureClass(pDataset.Name);
pFeatureLayer.Name = pFeatureLayer.FeatureClass.AliasName;
mapControl.Map.AddLayer(pFeatureLayer);
}
else if (pDataset is IRasterDataset) //栅格数据集
{
IRasterWorkspaceEx pRasterWorkspace = (IRasterWorkspaceEx)pWorkspace;
IRasterDataset pRasterDataset = pRasterWorkspace.OpenRasterDataset(pDataset.Name);
//影像金字塔判断与创建
IRasterPyramid3 pRasPyrmid;
pRasPyrmid = pRasterDataset as IRasterPyramid3;
if (pRasPyrmid != null)
{
if (!(pRasPyrmid.Present))
{
pRasPyrmid.Create(); //创建金字塔
}
}
IRasterLayer pRasterLayer = new RasterLayerClass();
pRasterLayer.CreateFromDataset(pRasterDataset);
ILayer pLayer = pRasterLayer as ILayer;
mapControl.AddLayer(pLayer, 0);
}
pDataset = pEnumDataset.Next();
}
mapControl.ActiveView.Refresh();
}
IRasterDataset OpenGDBRasterDataset(IRasterWorkspaceEx pRasterWorkspaceEx, string pDatasetName)
{
//打开存放在数据库中的栅格数据
return pRasterWorkspaceEx.OpenRasterDataset(pDatasetName);
}