// load part object from dxf/dwg file.
static public PartEx LoadPartFromDxfdwg(String strFilePath, ImpDataListEx impDataList)
{
PartEx part = null;
// the file name.
int iDotIndex = strFilePath.LastIndexOf('.');
int iSlashIndex = strFilePath.LastIndexOf('\\');
String strFileName = strFilePath.Substring(iSlashIndex + 1, iDotIndex - iSlashIndex - 1);
// whether the file is dxf file or dwg file.
bool bDwg = true;
String strExt = strFilePath.Substring(iDotIndex, strFilePath.Length - iDotIndex);
strExt = strExt.ToLower();
if (strExt == ".dxf")
{
bDwg = false;
}
else if (strExt == ".dwg")
{
bDwg = true;
}
else
{
return(part);
}
// extract geometry items from dxf/dwg file.
ImpDataEx impData;
if (!bDwg)
{
impData = NestFacadeEx.ExtractGeomItems(strFilePath);
}
else
{
// the temp folder for dxf.
String strDxfPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
strDxfPath += "\\";
strDxfPath += new Random().Next(1, 100000).ToString();
strDxfPath += ".dxf";
// save dxf file in tmp path.
NestFacadeEx.Dwg2Dxf(strFilePath, strDxfPath);
// extract geometry items from dxf file.
impData = NestFacadeEx.ExtractGeomItems(strDxfPath);
// delete the temp file.
File.Delete(strDxfPath);
}
// build part object.
GeomItemListEx geomItemList = impData.GetAllGeomItem();
AncillaryDataEx ancillaryData = new AncillaryDataEx();
part = new PartEx(strFileName, geomItemList, ancillaryData);
impData.SetPartID(part.GetID());
impDataList.AddImpData(impData);
return(part);
}
// load boundary polygon from dxf/dwg file.
static public MatEx LoadMatFromDxfdwg(String strFilePath, NestParamEx nestParam)
{
MatEx mat = null;
/************************************************************************/
// load all geometry items from the dxf/dwg file.
// the file name.
int iDotIndex = strFilePath.LastIndexOf('.');
int iSlashIndex = strFilePath.LastIndexOf('\\');
String strFileName = strFilePath.Substring(iSlashIndex + 1, iDotIndex - iSlashIndex - 1);
// whether the file is dxf file or dwg file.
bool bDwg = true;
String strExt = strFilePath.Substring(iDotIndex, strFilePath.Length - iDotIndex);
strExt = strExt.ToLower();
if (strExt == ".dxf")
{
bDwg = false;
}
else if (strExt == ".dwg")
{
bDwg = true;
}
else
{
return(mat);
}
// extract geometry items from dxf/dwg file.
ImpDataEx impData;
if (!bDwg)
{
impData = NestFacadeEx.ExtractGeomItems(strFilePath);
}
else
{
// the temp folder for dxf.
String strDxfPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
strDxfPath += "\\";
strDxfPath += new Random().Next(1, 100000).ToString();
strDxfPath += ".dxf";
// save dxf file in tmp path.
NestFacadeEx.Dwg2Dxf(strFilePath, strDxfPath);
// extract geometry items from dxf file.
impData = NestFacadeEx.ExtractGeomItems(strDxfPath);
// delete the temp file.
File.Delete(strDxfPath);
}
/************************************************************************/
/************************************************************************/
// get the polygons from the dxf/dwg file.
// build the polygons of all the geometry items.
GeomItemListEx geomItemList = impData.GetAllGeomItem();
Poly2DListEx polyList = NestFacadeEx.BuildPolyListFromLineArc(geomItemList, nestParam.GetConTol());
// if no closed polygon found, return.
if (polyList.Size() == 0)
{
MessageBox.Show("No closed boundary found.", "NestProfessor DEMO");
return(mat);
}
// the outer boundary polygon.
int iMaxIndex = polyList.GetMaxAreaPoly();
Polygon2DEx outerPoly = polyList.GetPolygonByIndex(iMaxIndex);
// the hole polygons.
polyList.DelPolygonByIndex(iMaxIndex);
Poly2DListEx holePolyList = polyList;
/************************************************************************/
/************************************************************************/
// build the material object.
// whether the boundary polygon is a rectangle.
bool bRectMat = true;
if (outerPoly.GetPtCount() != 4)
{
bRectMat = false;
}
else if (holePolyList.Size() > 0)
{
bRectMat = false;
}
else
{
// line items in the polygon.
ArrayList lineItems = outerPoly.GetLineList();
LineItemEx lineItem1 = (LineItemEx)lineItems[0];
LineItemEx lineItem2 = (LineItemEx)lineItems[1];
LineItemEx lineItem3 = (LineItemEx)lineItems[2];
LineItemEx lineItem4 = (LineItemEx)lineItems[3];
if (Math.Abs(lineItem1.GetLength() - lineItem3.GetLength()) > 0.0001)
{
bRectMat = false;
}
if (Math.Abs(lineItem2.GetLength() - lineItem4.GetLength()) > 0.0001)
{
bRectMat = false;
}
Vector2DEx vect1 = lineItem1.GetBaseVector();
Vector2DEx vect2 = lineItem2.GetBaseVector();
if (!vect1.OrthogonalTo(vect2))
{
bRectMat = false;
}
}
// build the material object.
if (bRectMat)
{
mat = new RectMatEx(strFileName, outerPoly.GetBoundaryRect(), 1);
}
else
{
PolyMatEx polyMat = new PolyMatEx(strFileName, outerPoly, 1);
polyMat.SetUselessHoleList(holePolyList);
mat = polyMat;
}
/************************************************************************/
return(mat);
}
