Exemple #1
0
        // 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);
        }
Exemple #2
0
        // 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);
        }