private string GetRegionName(string RegionCode)
{
string RegionName = RegionCode;
SysCommon.Gis.SysGisTable pTable = new SysCommon.Gis.SysGisTable(Plugin.ModuleCommon.TmpWorkSpace);
Exception err = null;
object objName = pTable.GetFieldValue("行政区字典表", "NAME", "CODE='" + RegionCode + "'", out err);
pTable = null;
if (objName != null)
{
RegionName = objName.ToString();
}
return(RegionName);
}
private void bttCK_Click(object sender, EventArgs e)
{
try
{
string[] strMapNo = GetMapNo().Split(new char[] { ',' });
IList <IFeature> pListFeature = new List <IFeature>();
if (strMapNo == null)
{
return;
}
Exception eError;
string NodeKey = "";
if (strMapNo[0].Length == 3)//1:100万 接图表NodeKey
{
NodeKey = "61073218-927f-4eba-a245-e6e59a121a5e";
}
else
{
switch (strMapNo[0].ToString().Substring(3, 1).ToUpper())
{
case "C": //1:25万 接图表NodeKey
NodeKey = "610we218-927f-4eba-a245-e6e59a121a5e";
break;
case "E": //1:5万 接图表NodeKey
NodeKey = "c113ac32-14ce-44f6-83b2-c5e0322ef8f9"; //不同比例尺的接图表的ID号
break;
}
}
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(_layerTreePath);
SysCommon.Gis.SysGisTable sysTable = new SysCommon.Gis.SysGisTable(m_WS);
string strSearch = "//Layer[@NodeKey='" + NodeKey.ToString() + "']";
XmlNode pxmlnode = xmldoc.SelectSingleNode(strSearch);
XmlElement pxmlele = pxmlnode as XmlElement;
if (pxmlnode == null)
{
return;
}
string strDataSourceID = pxmlele.GetAttribute("ConnectKey");
string feaclscode = pxmlele.GetAttribute("Code");
object objDataSource = sysTable.GetFieldValue("DATABASEMD", "DATABASENAME", "ID=" + strDataSourceID, out eError);
string DataSourcename = "";
if (objDataSource != null)
{
DataSourcename = objDataSource.ToString();
}
string conninfostr = "";
int type = -1;
object objconnstr = sysTable.GetFieldValue("DATABASEMD", "CONNECTIONINFO", "ID=" + strDataSourceID, out eError);
object objType = sysTable.GetFieldValue("DATABASEMD", "DATAFORMATID", "DATABASENAME='" + DataSourcename + "'", out eError);
if (objconnstr != null)
{
conninfostr = objconnstr.ToString();
}
if (objType != null)
{
type = int.Parse(objType.ToString());
}
//连接并获得目录数据库
IWorkspace pWorkspace = GetWorkSpacefromConninfo(conninfostr, type);
if (pWorkspace == null)
{
return;
}
IFeatureWorkspace pFeatureWorkspace = pWorkspace as IFeatureWorkspace;
IFeatureClass pFeatureClass = pFeatureWorkspace.OpenFeatureClass(feaclscode);
if (pFeatureClass == null)
{
return;
}
for (int i = 0; i < strMapNo.Length; i++)
{
IQueryFilter pQueryFilter = new QueryFilterClass();
IFeature pFeature = null;
IFeatureCursor pFeatureCursor = null;
pQueryFilter.WhereClause = "MAP='" + strMapNo[i] + "'";
pFeatureCursor = pFeatureClass.Search(pQueryFilter, false);
pFeature = pFeatureCursor.NextFeature();
while (pFeature != null)
{
pListFeature.Add(pFeature);
pFeature = pFeatureCursor.NextFeature();
}
System.Runtime.InteropServices.Marshal.ReleaseComObject(pFeatureCursor);
}
IGeometry pGeometry = GetLyrUnionPlygon(pListFeature);
if (pGeometry == null)
{
MessageBox.Show("不存在相关图幅信息，请认真核对图幅信息！", "提示！"); return;
}
this.WindowState = FormWindowState.Minimized;
m_MapControl.Extent = pGeometry.Envelope;
m_MapControl.ActiveView.Refresh();
}
catch { }
}
/// <summary>
/// 得到Renderer从数据库中
/// </summary>
/// <returns></returns>
public static object GetRendererFromBlob(string sql, IWorkspace pConfigWks)
{
Exception err = null;
SysCommon.Gis.IGisTable pGISTable = new SysCommon.Gis.SysGisTable(pConfigWks);
//获取Renderer
byte[] renderByte = pGISTable.GetFieldValue("Render", "Render", sql, out err) as byte[];
//是否得到了序列化的blob，没得到，则返回NULL
if (renderByte == null)
{
return(null);
}
IMemoryBlobStreamVariant pMemoryBlobStreamVariant = new MemoryBlobStreamClass();
pMemoryBlobStreamVariant.ImportFromVariant((object)renderByte);
IStream pStream = pMemoryBlobStreamVariant as IStream;
//从数据库中得到符号的类型 shduan 20110721 增加RasterRenderer
string strRenderType = pGISTable.GetFieldValue("Render", "RenderType", sql, out err).ToString();
string strLyrType = pGISTable.GetFieldValue("Render", "LayerType", sql, out err).ToString();
if (strLyrType == "RasterLayer")
{
IRasterRenderer pRRenderer = null;
switch (strRenderType)
{
case "RasterClassifyColorRampRenderer":
pRRenderer = new RasterClassifyColorRampRendererClass();
break;
case "RasterUniqueValueRenderer":
pRRenderer = new RasterUniqueValueRendererClass();
break;
case "RasterDiscreteColorRenderer":
pRRenderer = new RasterDiscreteColorRendererClass();
break;
case "RasterRGBRenderer":
pRRenderer = new RasterRGBRendererClass();
break;
case "RasterStretchColorRampRenderer":
pRRenderer = new RasterStretchColorRampRendererClass();
break;
}
IPersistStream pPersistStream = pRRenderer as IPersistStream;
pPersistStream.Load(pStream);
//pRRenderer = pPersistStream as IRasterRenderer;
return(pRRenderer);
}
else
{
IFeatureRenderer pFRenderer = null;
switch (strRenderType)
{
case "AnnoColor":
string sAnnoColor = Encoding.Default.GetString(renderByte);
return((object)sAnnoColor);
case "SimpleRenderer":
pFRenderer = new SimpleRendererClass();
break;
case "UniqueValueRenderer":
pFRenderer = new UniqueValueRendererClass();
break;
case "ClassBreaksRenderer":
pFRenderer = new ClassBreaksRendererClass();
break;
case "ProportionalSymbolRenderer":
pFRenderer = new ProportionalSymbolRendererClass();
break;
case "ChartRenderer":
pFRenderer = new ChartRendererClass();
break;
}
IPersistStream pPersistStream = pFRenderer as IPersistStream;
pPersistStream.Load(pStream);
pFRenderer = pPersistStream as IFeatureRenderer;
return(pFRenderer);
}
}
//从数据库中读取图层设置
public static object GetLayerConfigFromBlob(string sql, IWorkspace pConfigWks)
{
Exception err = null;
SysCommon.Gis.IGisTable pGISTable = new SysCommon.Gis.SysGisTable(pConfigWks);
//获取Layer
byte[] LayerByte = pGISTable.GetFieldValue("Render", "LayerConfig", sql, out err) as byte[];
//是否得到了序列化的blob，没得到，则返回NULL
if (LayerByte == null)
{
return(null);
}
//从数据库中得到图层的类型
string strLayerType = pGISTable.GetFieldValue("Render", "LayerType", sql, out err).ToString();
ILayer pLayer = null;
if (strLayerType == "" || strLayerType == null)
{
return(null);
}
switch (strLayerType)
{
case "FDOGraphicsLayer": //注记层
pLayer = new FDOGraphicsLayerClass();
break;
case "DimensionLayer": //标注层
pLayer = new DimensionLayerClass();
break;
case "GdbRasterCatalogLayer": //影像层(RC)
pLayer = new GdbRasterCatalogLayerClass();
break;
case "RasterLayer": //影像数据集(RD)
pLayer = new RasterLayerClass();
break;
case "FeatureLayer": //普通地物层
pLayer = new FeatureLayerClass();
break;
default:
pLayer = new FeatureLayerClass();
break;
}
IMemoryBlobStreamVariant pMemoryBlobStreamVariant = new MemoryBlobStreamClass();
pMemoryBlobStreamVariant.ImportFromVariant((object)LayerByte);
IStream pStream = pMemoryBlobStreamVariant as IStream;
if (pLayer != null && pStream != null)
{
IPersistStream pPersistStream = pLayer as IPersistStream;
try
{
pPersistStream.Load(pStream);
}
catch
{
return(null);
}
pLayer = pPersistStream as ILayer;
}
return(pLayer);
}
