/// <summary>
/// Method to ensure the static constructor is being called.
/// </summary>
/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks>
public static void ConfigureOgr()
{
if (_configuredOgr)
{
return;
}
// Register drivers
Ogr.RegisterAll();
_configuredOgr = true;
}
/// <summary>
/// Method to ensure the static constructor is being called.
/// </summary>
/// <remarks>Be sure to call this function before using Gdal/Ogr/Osr</remarks>
public static void ConfigureOgr()
{
MessageBox.Show("配置Ogr。。。。。");
if (_configuredOgr)
{
return;
}
// Register drivers
Ogr.RegisterAll();
_configuredOgr = true;
}
private void runFunc()
{
Ogr.RegisterAll();
Gdal.SetConfigOption("SHAPE_ENCODING", "CP936");
string strInfo = string.Empty;
//打开数据
DataSource ds = Ogr.Open(mFileName, 0);
if (ds == null)
{
strInfo += string.Format("打开文件【{0}】失败！\n", mFileName);
return;
}
strInfo += string.Format("打开文件【{0}】成功！\n", mFileName);
CGetShp mdbToShp = new CGetShp(mFileName, mOutPath);
// 获取该数据源中的图层个数，一般shp数据图层只有一个，如果是mdb、dxf等图层就会有多个
int iLayerCount = ds.GetLayerCount();
strInfo += string.Format("个人地理数据库共包含{0}个图层！\n", iLayerCount);
for (int i = 0; i < iLayerCount; i++)
{
// 获取第一个图层
Layer oLayer = ds.GetLayerByIndex(i);
if (oLayer == null)
{
strInfo += string.Format("获取第{0}个图层失败！\n", i);
return;
}
strInfo += string.Format("第{0}个图层名称：{1}\n", i, oLayer.GetName());
//若当前图层为向量数据
if (oLayer.GetName().Contains("LINE"))
{
//调用方法获取向量信息，并传入想应的点图层名以方便查询
mdbToShp.readLine(ref oLayer, oLayer.GetName().Replace("LINE", "POINT"));
//break;
}
else
{
mdbToShp.readPoint(ref oLayer);
//break;
//mdbToShp.test(ref oLayer);
}
SetTextMessage(100 * (i + 1) / iLayerCount);
}
}
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");
}