public void ImportDxfDrawing(string dxfName, ProjectLoadingView loadingForm)
{
loadingForm.ShowProgress(0,"导入环境初始化...");
//DbConnection.GetConnection().Open();
MainService mainService = ServiceFactory.GetMainService();
TmpCaddService caddService = ServiceFactory.GetTmpCaddService();
TmpCadxService cadxService = ServiceFactory.GetTmpCadxService();
TmpCadmService cadmService = ServiceFactory.GetTmpCadmService();
TmpCadzjService cadzjService = ServiceFactory.GetTmpCadzjService();
TmpCadxdataService cadxdataService = ServiceFactory.GetTmpCadxdataService();
int srid = mainService.GetGeometryColumnSRID("tmpcadd", "geometry");
mainService.ClearCADTemps();
DataSource ds = Ogr.Open(dxfName, 0);
Driver drv = ds.GetDriver();
loadingForm.ShowProgress(0, "导入图形数据...");
for (int i = 0; i < ds.GetLayerCount(); i++)
{
Layer pLayer = ds.GetLayerByIndex(i);
Feature feat = pLayer.GetNextFeature();
while (feat != null)
{
string handle = feat.GetFieldAsString(4);
string typeName = feat.GetFieldAsString(1).Trim().Replace("AcDbEntity:","");
string geomtryStr = "";
Geometry geometry = feat.GetGeometryRef();
geometry.FlattenTo2D();
geometry.ExportToWkt(out geomtryStr);
switch (typeName)
{
case "AcDbPolyline":
case "AcDbLine":
TmpCadx cadx = new TmpCadx(handle, geomtryStr, "POLYLINE", dxfName);
cadxService.Create(cadx);
break;
case "AcDbBlockReference":
//TmpCadd cadd=new TmpCadd(handle, geomtryStr, "POINT");
//caddService.Create(cadd);
//因为GDAL直接读取了块图形，因此，块在下面的方法和属性一起读取
break;
case "AcDbText:AcDbText":
TmpCadzj cadzj = new TmpCadzj(handle, geomtryStr, "TEXT", dxfName);
cadzjService.Create(cadzj);
break;
}
feat.Dispose();
feat = pLayer.GetNextFeature();
}
}
//开始使用netDxf读取数据
DxfDocument doc=DxfDocument.Load(dxfName);
//开始读取点数据
loadingForm.ShowProgress(40, "导入块参照属性...");
for (int i = 0; i < doc.Inserts.Count; i++)
{
Insert insert= doc.Inserts[i];
TmpCadd cadd=new TmpCadd();
cadd.Handle = insert.Handle;
cadd.EntityType = "POINT";
cadd.FileName = dxfName;
cadd.Geometry =
DbGeometry.FromText(string.Format("POINT({0} {1})", insert.Position.X, insert.Position.Y));
caddService.Create(cadd);
TmpCadxdata cadxdata = new TmpCadxdata();
cadxdata.Handle = insert.Handle;
cadxdata.Tc = insert.Layer.Name;
cadxdata.Fh = insert.Block.Name;
cadxdata.Fhdx = insert.Scale.X;
cadxdata.Xzjd = insert.Rotation;
cadxdata.FileName = dxfName;
cadxdata = ReadXData(cadxdata, insert.XData);
cadxdataService.Create(cadxdata);
}
//开始读取点数据
loadingForm.ShowProgress(50, "导入文本数据...");
for (int i = 0; i < doc.Texts.Count; i++)
{
Text insert = doc.Texts[i];
//TmpCadd cadd = new TmpCadd();
//cadd.Handle = insert.Handle;
//cadd.EntityType = "POINT";
//cadd.Geometry =
// DbGeometry.FromText(string.Format("POINT({0} {1})", insert.Position.X, insert.Position.Y));
//caddService.Create(cadd);
TmpCadxdata cadxdata = new TmpCadxdata();
cadxdata.Handle = insert.Handle;
cadxdata.Tc = insert.Layer.Name;
cadxdata.Fh = insert.Style.FontFamilyName;
cadxdata.Fhdx = insert.Height;
cadxdata.Xzjd = insert.Rotation;
cadxdata.Wbnr = insert.Value;
cadxdata.FileName = dxfName;
cadxdata = ReadXData(cadxdata, insert.XData);
cadxdataService.Create(cadxdata);
}
//开始读取线数据
loadingForm.ShowProgress(60, "导入线数据...");
for (int i = 0; i < doc.Lines.Count; i++)
{
Line insert = doc.Lines[i];
//TmpCadd cadd = new TmpCadd();
//cadd.Handle = insert.Handle;
//cadd.EntityType = "POINT";
//cadd.Geometry =
// DbGeometry.FromText(string.Format("POINT({0} {1})", insert.Position.X, insert.Position.Y));
//caddService.Create(cadd);
TmpCadxdata cadxdata = new TmpCadxdata();
cadxdata.Handle = insert.Handle;
cadxdata.Tc = insert.Layer.Name;
cadxdata.Fh = insert.Linetype.Name;
cadxdata.Fhdx = insert.LinetypeScale;
cadxdata.Xzjd = 0.0;
cadxdata.Wbnr = "";
cadxdata.FileName = dxfName;
cadxdata = ReadXData(cadxdata, insert.XData);
cadxdataService.Create(cadxdata);
}
loadingForm.ShowProgress(80, "导入多边形数据...");
for (int i = 0; i < doc.LwPolylines.Count; i++)
{
LwPolyline insert = doc.LwPolylines[i];
if (insert.IsClosed)
{
//插入多边形
TmpCadx cadx = cadxService.GetTmpCadx(insert.Handle);
if (cadx != null)
{
TmpCadm cadm=new TmpCadm() {Handle = cadx.Handle,EntityType="POLYGON",FileName=dxfName};
string wkt = cadx.Geometry.AsText();
Geometry geometry = Ogr.ForceToPolygon(Geometry.CreateFromWkt(wkt));
string geomStr = "";
geometry.ExportToWkt(out geomStr);
geomStr = geomStr.Replace("LINESTRING", "POLYGON (") + ")";
cadm.Geometry = DbGeometry.FromText(geomStr);
cadmService.Create(cadm);
}
}
//TmpCadd cadd = new TmpCadd();
//cadd.Handle = insert.Handle;
//cadd.EntityType = "POINT";
//cadd.Geometry =
// DbGeometry.FromText(string.Format("POINT({0} {1})", insert.Position.X, insert.Position.Y));
//caddService.Create(cadd);
TmpCadxdata cadxdata = new TmpCadxdata();
cadxdata.Handle = insert.Handle;
cadxdata.Tc = insert.Layer.Name;
cadxdata.Fh = insert.Linetype.Name;
cadxdata.Fhdx = insert.LinetypeScale;
cadxdata.Xzjd = 0.0;
cadxdata.Wbnr = "";
cadxdata.FileName = dxfName;
cadxdata = ReadXData(cadxdata, insert.XData);
cadxdataService.Create(cadxdata);
}
for (int i = 0; i < doc.Polylines.Count; i++)
{
Polyline insert = doc.Polylines[i];
if (insert.IsClosed)
{
//插入多边形
TmpCadx cadx = cadxService.GetTmpCadx(insert.Handle);
if (cadx != null)
{
TmpCadm cadm = new TmpCadm() { Handle = cadx.Handle, EntityType = "POLYGON" ,FileName = dxfName};
string wkt = cadx.Geometry.AsText();
Geometry geometry = Ogr.ForceToPolygon(Geometry.CreateFromWkt(wkt));
string geomStr = "";
geometry.ExportToWkt(out geomStr);
geomStr=geomStr.Replace("LINESTRING", "POLYGON (")+")";
cadm.Geometry = DbGeometry.FromText(geomStr);
cadmService.Create(cadm);
}
}
//TmpCadd cadd = new TmpCadd();
//cadd.Handle = insert.Handle;
//cadd.EntityType = "POINT";
//cadd.Geometry =
// DbGeometry.FromText(string.Format("POINT({0} {1})", insert.Position.X, insert.Position.Y));
//caddService.Create(cadd);
TmpCadxdata cadxdata = new TmpCadxdata();
cadxdata.Handle = insert.Handle;
cadxdata.Tc = insert.Layer.Name;
cadxdata.Fh = insert.Linetype.Name;
cadxdata.Fhdx = insert.LinetypeScale;
cadxdata.Xzjd = 0.0;
cadxdata.Wbnr = "";
cadxdata.FileName = dxfName;
cadxdata = ReadXData(cadxdata, insert.XData);
cadxdataService.Create(cadxdata);
}
loadingForm.ShowProgress(100, "导入完成...");
//mainService.Close();
}