public static void Add3dPolylineVertexToExport(ref StringBuilder _sb, Vector3 _coords, string _layer_name, int _index_color, long _true_color)
{
if (_sb == null)
{
return;
}
string tmp = string.Empty;
_sb.AppendLine(((int)DXFSpecSaveCodes.ENTITY_TYPE).ToString()); // 0
_sb.AppendLine("VERTEX");
// common
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbEntity");
_sb.AppendLine(((int)DXFSpecSaveCodes.LAYER_NAME).ToString()); // 8
tmp = (string.IsNullOrEmpty(_layer_name)) ? "0" : _layer_name;
_sb.AppendLine(tmp);
_sb.AppendLine(((int)DXFSpecSaveCodes.COLOR_INDEX).ToString()); // 62
_sb.AppendLine(_index_color.ToString()); // 0 = ByBlock, 256 = ByLayer
//_sb.AppendLine(((int)DXFSpecSaveCodes.TRUE_COLOR).ToString()); // 420
//_sb.AppendLine(_true_color.ToString());
// vertex
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbVertex");
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDb3dPolylineVertex");
_sb.AppendLine(((int)DXFSpecSaveCodes.POINT_LOCATION_X).ToString()); // 10
_sb.AppendLine(DXFUtils.ValueToString(_coords.X, "F8"));
_sb.AppendLine(((int)DXFSpecSaveCodes.POINT_LOCATION_Y).ToString()); // 20
_sb.AppendLine(DXFUtils.ValueToString(_coords.Y, "F8"));
_sb.AppendLine(((int)DXFSpecSaveCodes.POINT_LOCATION_Z).ToString()); // 30
_sb.AppendLine(DXFUtils.ValueToString(_coords.Z, "F8"));
_sb.AppendLine(((int)DXFSpecSaveCodes.POLYLINE_FLAG).ToString()); // 70
_sb.AppendLine("32"); // 3d polyline vertex
}
private static void AddLineTypeDefinitionToExport(ref StringBuilder _sb, string _name, string _description, string _pattern = "")
{
if (_sb == null || string.IsNullOrEmpty(_name))
{
return;
}
string descr = (string.IsNullOrEmpty(_description)) ? "Solid line" : _description;
_sb.AppendLine(((int)DXFSpecSaveCodes.ENTITY_TYPE).ToString()); // 0
_sb.AppendLine(DXFUtils.LTYPE); // LTYPE
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbSymbolTableRecord");
_sb.AppendLine(((int)DXFSpecSaveCodes.SUBCLASS_MARKER).ToString()); // 100
_sb.AppendLine("AcDbLinetypeTableRecord");
_sb.AppendLine(((int)EntitySaveCode.ENTITY_NAME).ToString()); // 2
_sb.AppendLine(_name); // ENTITY_NAME
_sb.AppendLine("70"); // 70 flag for XREFS and EDITING MARKER in AutoCAD
_sb.AppendLine("0"); // set no flags
_sb.AppendLine("3"); // 3 descriptive text for the linetype
_sb.AppendLine(descr); // description
_sb.AppendLine("72"); // alignment code; value is always 65, the ASCII code for A
_sb.AppendLine("65"); // A
// analyse the pattern
double[] pattern_element_length;
double total_pattern_length = 0.0;
int nr_pattern_elements = 0;
string[] parts = _pattern.Split(new string[] { "|" }, StringSplitOptions.RemoveEmptyEntries);
if (parts != null && parts.Length > 1)
{
nr_pattern_elements = parts.Length;
pattern_element_length = new double[nr_pattern_elements];
int c = 0;
foreach (string x in parts)
{
pattern_element_length[c] = DXFUtils.StringToDouble(x);
c++;
}
total_pattern_length = pattern_element_length.Select(x => Math.Abs(x)).Sum();
_sb.AppendLine("73"); // the number of linetype elements
_sb.AppendLine(nr_pattern_elements.ToString());
_sb.AppendLine("40"); // total pattern length
_sb.AppendLine(DXFUtils.ValueToString(total_pattern_length, "F15"));
foreach (double d in pattern_element_length)
{
_sb.AppendLine("49"); // dash, dot or space length
_sb.AppendLine(DXFUtils.ValueToString(d, "F15"));
//_sb.AppendLine("74"); // line element type flags (AutoCAD dosen't recognize it)
//_sb.AppendLine("0");
}
}
else
{
_sb.AppendLine("73"); // the number of linetype elements
_sb.AppendLine("0");
_sb.AppendLine("40"); // total pattern length
_sb.AppendLine("0.0");
}
}
