CODE EXAMPLE FOR CSHARP

read dxf file c#

//format autocad 2018
private void ReadDxfFile(string DxfFile)
        {
            DxfFile = System.IO.File.ReadAllText(DxfFile);
            string Layer = "";
            //because I'm italian
            DxfFile = DxfFile.Replace(".", ",");

            string[] D = DxfFile.Split(new[] { Environment.NewLine }, StringSplitOptions.None);

            int iEntities = 0;// for (int i = 0; i < D.Length; i++) { if (D[i] == "ENTITIES") { iEntities = i; break; } }
            for (int i = iEntities; i < D.Length; i++)
            {
                if (D[i] == "POINT" || D[i] == "AcDbPoint")
                {
                    int iEntity = i; if (D[i].StartsWith("AcDb")) { for (iEntity = i; D[iEntity] != "AcDbEntity"; iEntity--) ; }
                    Layer = ""; for (int iLayer = iEntity; iLayer < i + 10 && Layer == ""; iLayer++) { if (D[iLayer] == "  8") { Layer = D[iLayer + 1]; }; }
                    for (int iWaarden = i; iWaarden < i + 8; iWaarden++)
                    {
                        if (D[iWaarden] == " 10" && D[iWaarden + 2] == " 20")
                        {
                            //Here you can store the following data in a list for later use
                            //LayerName = Layer
                            string X = D[iWaarden + 1];
                            string Y = D[iWaarden + 3];
                            string Z = D[iWaarden + 5];
                        }
                    }
                }

                if (D[i] == "LINE" || D[i] == "AcDbLine")
                {
                    int iEntity = i; if (D[i].StartsWith("AcDb")) { for (iEntity = i; D[iEntity] != "AcDbEntity"; iEntity--) ; }
                    Layer = ""; for (int iLayer = iEntity; iLayer < i + 10 && Layer == ""; iLayer++) { if (D[iLayer] == "  8") { Layer = D[iLayer + 1]; }; }
                    for (int iWaarden = i; iWaarden < i + 10; iWaarden++)
                    {
                        if (D[iWaarden] == " 10" && D[iWaarden + 2] == " 20")
                        {
                            //Here you can store the following data in a list for later use
                            //LayerName = Layer
                            lines.Add(new List<double>());


                            lines[lines.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 1])); //Xbegin
                            lines[lines.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 3])); //Ybegin
                            lines[lines.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 5])); //Zbegin

                            lines[lines.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 7])); //Xend
                            lines[lines.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 9])); //Yend
                            lines[lines.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 11])); //Zend
                        }
                    }
                }

                if (D[i] == "CIRCLE" || D[i] == "AcDbCircle")
                {
                    int iEntity = i; if (D[i].StartsWith("AcDb")) { for (iEntity = i; D[iEntity] != "AcDbEntity"; iEntity--) ; }
                    Layer = ""; for (int iLayer = iEntity; iLayer < i + 10 && Layer == ""; iLayer++) { if (D[iLayer] == "  8") { Layer = D[iLayer + 1]; }; }
                    for (int iWaarden = i; iWaarden < i + 10; iWaarden++)
                    {
                        if (D[iWaarden] == " 10" && D[iWaarden + 2] == " 20")
                        {

                            //Here you can store the following data in a list for later use
                            //LayerName = Layer
                            arcs.Add(new List<double>());
                            arcs[arcs.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 1])); //Xmid
                            arcs[arcs.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 3])); //Ymid
                            arcs[arcs.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 5])); //Zmid

                            arcs[arcs.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 7])); //Radious
                            //Check if this is an arc
                            if (D[iWaarden + 8] == "100")
                            {
                                arcs[arcs.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 11])); //StartAngle
                                arcs[arcs.Count() - 1].Add(Convert.ToDouble(D[iWaarden + 13])); //EndAngle
                            }
                            else
                            {
                                arcs[arcs.Count() - 1].Add(0); //StartAngle
                                arcs[arcs.Count() - 1].Add(360); //EndAngle
                            }
                        }
                    }
                }
            }

        }