//---------------------------------------------------------------------------------------
private void initShp(ref Layer oLayer, ref Driver oDriver, ref DataSource oDS, ref Layer newLayer, LAYER_TYPE type)
{
//创建数据
string shpFileName = string.Format("{0}\\{1}.shp", mOutPath, oLayer.GetName());
oDriver = Ogr.GetDriverByName("ESRI Shapefile");
if (oDriver == null)
{
Console.WriteLine("{0} 驱动不可用！\n", shpFileName);
return;
}
// 创建数据源
oDS = oDriver.CreateDataSource(shpFileName, null);
if (oDS == null)
{
Console.WriteLine("创建矢量文件【%s】失败！\n", shpFileName);
return;
}
// 创建图层，创建一个点图层，这里没有指定空间参考，如果需要的话，需要在这里进行指定
switch (type)
{
case LAYER_TYPE.LINE:
newLayer = oDS.CreateLayer(oLayer.GetName(), null, wkbGeometryType.wkbLineString, null);
break;
case LAYER_TYPE.POINT:
newLayer = oDS.CreateLayer(oLayer.GetName(), null, wkbGeometryType.wkbPoint, null);
break;
default:
break;
}
if (oLayer == null)
{
Console.WriteLine("图层创建失败！\n");
return;
}
}
private void WriteVectorFile(string strVectorFile)
{
SharpMap.GdalConfiguration.ConfigureGdal();
SharpMap.GdalConfiguration.ConfigureOgr();
// 为了支持中文路径，请添加下面这句代码
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "NO");
// 为了使属性表字段支持中文，请添加下面这句
OSGeo.GDAL.Gdal.SetConfigOption("SHAPE_ENCODING", "");
Ogr.RegisterAll();
string strDriverName = "ESRI Shapefile";
Driver oDriver = Ogr.GetDriverByName(strDriverName);
if (oDriver == null)
{
MessageBox.Show("%s 驱动不可用！!\n", strVectorFile);
return;
}
DataSource oDS = oDriver.CreateDataSource(strVectorFile, null);
if (oDS == null)
{
MessageBox.Show("创建矢量文件【%s】失败！\n", strVectorFile);
return;
}
Layer oLayer = oDS.CreateLayer("TestPolygon", null, wkbGeometryType.wkbPolygon, null);
if (oLayer == null)
{
MessageBox.Show("图层创建失败！\n");
return;
}
//FID
FieldDefn oFieldID = new FieldDefn("FID", FieldType.OFTInteger);
oLayer.CreateField(oFieldID, 1);
//批次
FieldDefn oPCMC = new FieldDefn("PCMC", FieldType.OFTString);
oPCMC.SetWidth(100);
oLayer.CreateField(oPCMC, 1);
//地块号
FieldDefn oDKH = new FieldDefn("DKH", FieldType.OFTString);
oDKH.SetWidth(100);
oLayer.CreateField(oDKH, 1);
//日期
FieldDefn oDate = new FieldDefn("Date", FieldType.OFTString);
oDate.SetWidth(10);
oLayer.CreateField(oDate, 1);
//用地类型
FieldDefn oType = new FieldDefn("Type", FieldType.OFTString);
oType.SetWidth(10);
oLayer.CreateField(oType, 1);
FeatureDefn oDefn = oLayer.GetLayerDefn();
int index = 0;
foreach (Data data in DataList)
{
index++;
Feature oFeature = new Feature(oDefn);
oFeature.SetField(0, index);
oFeature.SetField(1, data.PCMC);
oFeature.SetField(2, data.Dkh);
oFeature.SetField(3, data.Date);
oFeature.SetField(4, data.Type);
Geometry geomTriangle = Geometry.CreateFromWkt(GetGeometry(data));
oFeature.SetGeometry(geomTriangle);
oLayer.CreateFeature(oFeature);
}
oDS.Dispose();
MessageBox.Show("生成完毕");
}