实例介绍
【实例简介】
【实例截图】
【实例截图】
【核心代码】
#region netDxf, Copyright(C) 2009 Daniel Carvajal, Licensed under LGPL.
// netDxf library
// Copyright (C) 2009 Daniel Carvajal (haplokuon@gmail.com)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using netDxf;
using netDxf.Blocks;
using netDxf.Entities;
using netDxf.Header;
using netDxf.Tables;
namespace TestDxfDocument
{
/// <summary>
/// This is just a simple test of work in progress for the netDxf Library.
/// </summary>
internal class Program
{
private static void Main()
{
//BlockAttributes();
WriteDxfFile();
//WritePolyfaceMesh();
//ReadDxfFile();
//Ellipse();
//Solid();
//Face3d();
//Polyline();
////NurbsCurve();
//Dxf2000();
////SpeedTest();
}
private static void Dxf2000()
{
DxfDocument dxf = new DxfDocument();
//line
Line line = new Line(new Vector3f(0, 0, 0), new Vector3f(5, 5, 5));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
dxf.Save("test2000.dxf",DxfVersion.AutoCad2000);
}
private static void NurbsCurve()
{
DxfDocument dxf = new DxfDocument();
NurbsCurve nurbs = new NurbsCurve();
nurbs.ControlPoints .Add(new NurbsVertex( 0, 0));
nurbs.ControlPoints.Add(new NurbsVertex(10, 10));
nurbs.ControlPoints.Add(new NurbsVertex(20, 0));
nurbs.ControlPoints.Add(new NurbsVertex(30, 10));
nurbs.ControlPoints.Add(new NurbsVertex(40, 0));
nurbs.ControlPoints.Add(new NurbsVertex(50, 10));
nurbs.ControlPoints.Add(new NurbsVertex(60, 0));
nurbs.ControlPoints.Add(new NurbsVertex(70, 10));
nurbs.Order = 3;
dxf.AddEntity(nurbs);
NurbsCurve nurbs2 = new NurbsCurve();
nurbs2.ControlPoints.Add(new NurbsVertex(5, 0));
nurbs2.ControlPoints.Add(new NurbsVertex(10, 0));
nurbs2.ControlPoints.Add(new NurbsVertex(10, 5));
nurbs2.ControlPoints.Add(new NurbsVertex(10, 10));
nurbs2.ControlPoints.Add(new NurbsVertex(5, 10));
nurbs2.ControlPoints.Add(new NurbsVertex(0, 10));
nurbs2.ControlPoints.Add(new NurbsVertex(0, 5));
nurbs2.ControlPoints.Add(new NurbsVertex(0, 0));
nurbs2.ControlPoints.Add(new NurbsVertex(5, 0));
nurbs2.Order = 3;
nurbs2.SetUniformWeights((float)Math.Cos(MathHelper.HalfPI));
dxf.AddEntity(nurbs2);
dxf.Save("nurbs.dxf", DxfVersion.AutoCad12);
}
private static void Polyline()
{
DxfDocument dxf = new DxfDocument();
Polyline poly = new Polyline();
poly.Vertexes.Add(new PolylineVertex(0,0));
poly.Vertexes.Add(new PolylineVertex(10, 10));
poly.Vertexes.Add(new PolylineVertex(20, 0));
poly.Vertexes.Add(new PolylineVertex(30, 10));
dxf.AddEntity(poly);
dxf.Save("polyline.dxf", DxfVersion.AutoCad2000);
}
private static void Solid()
{
DxfDocument dxf = new DxfDocument();
Solid solid = new Solid();
solid.FirstVertex=new Vector3f(0,0,0);
solid.SecondVertex = new Vector3f(1, 0, 0);
solid.ThirdVertex = new Vector3f(0, 1, 0);
solid.FourthVertex = new Vector3f(1, 1, 0);
dxf.AddEntity(solid);
dxf.Save("solid.dxf", DxfVersion.AutoCad2000);
//dxf.Load("solid.dxf");
//dxf.Save("solid.dxf");
}
private static void Face3d()
{
DxfDocument dxf = new DxfDocument();
Face3d face3d = new Face3d();
face3d.FirstVertex = new Vector3f(0, 0, 0);
face3d.SecondVertex = new Vector3f(1, 0, 0);
face3d.ThirdVertex = new Vector3f(1, 1, 0);
face3d.FourthVertex = new Vector3f(0, 1, 0);
dxf.AddEntity(face3d);
dxf.Save("face.dxf", DxfVersion.AutoCad2000);
dxf.Load("face.dxf");
dxf.Save("face return.dxf", DxfVersion.AutoCad2000);
}
private static void Ellipse()
{
DxfDocument dxf = new DxfDocument();
Line line = new Line(new Vector3f(0, 0, 0), new Vector3f((float)(2 * Math.Cos(Math.PI / 4)), (float)(2 * Math.Cos(Math.PI / 4)), 0));
dxf.AddEntity(line);
Line line2 = new Line(new Vector3f(0, 0, 0), new Vector3f(0, -2, 0));
dxf.AddEntity(line2);
Arc arc=new Arc(Vector3f.Zero,2,45,270);
dxf.AddEntity(arc);
// ellipses are saved as polylines
Ellipse ellipse = new Ellipse(new Vector3f(2,2,0), 5,3);
ellipse.Rotation = 30;
ellipse.Normal=new Vector3f(1,1,1);
ellipse.Thickness = 2;
dxf.AddEntity(ellipse);
dxf.Save("ellipse.dxf", DxfVersion.AutoCad2000);
dxf = new DxfDocument();
dxf.Load("ellipse.dxf");
}
private static void SpeedTest()
{
Stopwatch crono = new Stopwatch();
float totalTime=0;
crono.Start();
DxfDocument dxf = new DxfDocument();
/// create 100,000 lines
for (int i=0; i<100000;i )
{
//line
Line line = new Line(new Vector3f(0, i, 0), new Vector3f(5, i, 0));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
}
Console.WriteLine("Time creating entities : " crono.ElapsedMilliseconds / 1000.0f);
totalTime = crono.ElapsedMilliseconds;
crono.Reset();
crono.Start();
dxf.Save("speedtest.dxf", DxfVersion.AutoCad12);
Console.WriteLine("Time saving file : " crono.ElapsedMilliseconds / 1000.0f);
totalTime = crono.ElapsedMilliseconds;
crono.Reset();
crono.Start();
dxf.Load("speedtest.dxf");
Console.WriteLine("Time loading file : " crono.ElapsedMilliseconds / 1000.0f);
totalTime = crono.ElapsedMilliseconds;
crono.Stop();
Console.WriteLine("Total time : " totalTime / 1000.0f);
Console.ReadLine();
}
private static void BlockAttributes()
{
DxfDocument dxf = new DxfDocument( );
Block block = new Block("BlockWithAttributes");
block.Layer = new Layer("BlockSample");
AttributeDefinition attdef = new AttributeDefinition("NewAttribute");
attdef.Text = "InfoText";
attdef.BasePoint = new Vector3f(1, 1, 1);
attdef.Style.IsVertical = true;
attdef.Rotation = 45;
block.Attributes.Add(attdef.Id, attdef);
block.Entities.Add(new Line(new Vector3f(-5, -5, 0), new Vector3f(5, 5, 0)));
block.Entities.Add(new Line(new Vector3f(5, -5, 0), new Vector3f(-5, 5, 0)));
Insert insert = new Insert(block, new Vector3f(5, 5, 5));
insert.Layer = new Layer("insert");
insert.Rotation = 45;
insert.Layer.Color.Index = 4;
insert.Attributes[0].Value = 24;
Insert insert2 = new Insert(block, new Vector3f(-5, -5, -5));
insert2.Attributes[0].Value = 34;
XData xdata1 = new XData(new ApplicationRegistry("netDxf"));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata1.XDataRecord.Add(XDataRecord.OpenControlString);
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, 0));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, 0));
xdata1.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, 0));
xdata1.XDataRecord.Add(XDataRecord.CloseControlString);
XData xdata2 = new XData(new ApplicationRegistry("other application"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata2.XDataRecord.Add(XDataRecord.OpenControlString);
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "string record"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Real, 15.5));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Long, 350));
xdata2.XDataRecord.Add(XDataRecord.CloseControlString);
insert.XData = new Dictionary<ApplicationRegistry, XData>
{
{xdata1.ApplicationRegistry, xdata1},
};
dxf.AddEntity(insert);
dxf.AddEntity(insert2);
Circle circle = new Circle(Vector3f.Zero, 5);
circle.Layer = new Layer("circle");
circle.Layer.Color.Index = 2;
circle.XData = new Dictionary<ApplicationRegistry, XData>
{
{xdata2.ApplicationRegistry, xdata2},
};
dxf.AddEntity(circle);
dxf.Save("Block with attributes.dxf", DxfVersion.AutoCad2000);
dxf.Load("Block with attributes.dxf");
dxf.Save("Block with attributes result.dxf", DxfVersion.AutoCad2000); // both results must be equal only the handles might be different
}
private static void WritePolyfaceMesh()
{
DxfDocument dxf = new DxfDocument();
List<PolyfaceMeshVertex> vertexes = new List<PolyfaceMeshVertex>
{
new PolyfaceMeshVertex(0, 0, 0),
new PolyfaceMeshVertex(10, 0, 0),
new PolyfaceMeshVertex(10, 10, 0),
new PolyfaceMeshVertex(5, 15, 0),
new PolyfaceMeshVertex(0, 10, 0)
};
List<PolyfaceMeshFace> faces = new List<PolyfaceMeshFace>
{
new PolyfaceMeshFace(new[] {1, 2, -3}),
new PolyfaceMeshFace(new[] {-1, 3, -4}),
new PolyfaceMeshFace(new[] {-1, 4, 5})
};
PolyfaceMesh mesh = new PolyfaceMesh(vertexes, faces);
dxf.AddEntity(mesh);
dxf.Save("mesh.dxf", DxfVersion.AutoCad2000);
}
private static void ReadDxfFile()
{
DxfDocument dxf = new DxfDocument();
//dxf.Load("AutoCad2007.dxf");
//dxf.Load("AutoCad2004.dxf");
dxf.Load("AutoCad2000.dxf");
dxf.Save("AutoCad2000 result.dxf", DxfVersion.AutoCad2000);
//dxf.Load("AutoCad12.dxf");
//dxf.Load("Tablet.dxf");
//dxf.Save("Tablet result.dxf", DxfVersion.AutoCad2000);
}
private static void WriteDxfFile()
{
DxfDocument dxf = new DxfDocument();
//arc
Arc arc = new Arc(new Vector3f(10, 10, 0), 10, 45, 135);
arc.Layer = new Layer("arc");
arc.Layer.Color.Index = 1;
dxf.AddEntity(arc);
//xData sample
XData xdata = new XData(new ApplicationRegistry("netDxf"));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata.XDataRecord.Add(XDataRecord.OpenControlString);
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionX, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionY, 0));
xdata.XDataRecord.Add(new XDataRecord(XDataCode.WorldSpacePositionZ, 0));
xdata.XDataRecord.Add(XDataRecord.CloseControlString);
XData xdata2 = new XData(new ApplicationRegistry("other application"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "extended data with netDxf"));
xdata2.XDataRecord.Add(XDataRecord.OpenControlString);
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.String, "string record"));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Real, 15.5));
xdata2.XDataRecord.Add(new XDataRecord(XDataCode.Long, 350));
xdata2.XDataRecord.Add(XDataRecord.CloseControlString);
//circle
Vector3f extrusion = new Vector3f(1, 1, 1);
Vector3f centerWCS = new Vector3f(1, 1, 1);
Vector3d centerOCS = MathHelper.Transform((Vector3d) centerWCS,
(Vector3d)extrusion,
MathHelper.CoordinateSystem.World,
MathHelper.CoordinateSystem.Object);
Circle circle = new Circle((Vector3f) centerOCS, 5);
circle.Layer = new Layer("circle with spaces");
circle.Layer.Color=AciColor.Yellow;
circle.LineType = LineType.Dashed;
circle.Normal = extrusion;
circle.XData=new Dictionary<ApplicationRegistry, XData>
{
{xdata.ApplicationRegistry, xdata},
{xdata2.ApplicationRegistry, xdata2}
};
dxf.AddEntity(circle);
//points
Point point1 = new Point(new Vector3f(-3, -3, 0));
point1.Layer = new Layer("point");
point1.Color = new AciColor(30);
Point point2 = new Point(new Vector3f(1, 1, 1));
point2.Layer = point1.Layer;
point2.Layer.Color.Index = 9;
point2.Normal = new Vector3f(1, 1, 1);
dxf.AddEntity(point1);
dxf.AddEntity(point2);
//3dface
Face3d face3D = new Face3d(new Vector3f(-5, -5, 5),
new Vector3f(5, -5, 5),
new Vector3f(5, 5, 5),
new Vector3f(-5, 5, 5));
face3D.Layer = new Layer("3dface");
face3D.Layer.Color.Index = 3;
dxf.AddEntity(face3D);
//polyline
PolylineVertex polyVertex;
List<PolylineVertex> polyVertexes = new List<PolylineVertex>();
polyVertex = new PolylineVertex(new Vector2f(-50, -50));
polyVertex.BeginThickness = 2;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2f(50, -50));
polyVertex.BeginThickness = 1;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2f(50, 50));
polyVertex.Bulge = 1;
polyVertexes.Add(polyVertex);
polyVertex = new PolylineVertex(new Vector2f(-50, 50));
polyVertexes.Add(polyVertex);
Polyline polyline2d = new Polyline(polyVertexes, true);
polyline2d.Layer = new Layer("polyline2d");
polyline2d.Layer.Color.Index = 5;
polyline2d.Normal = new Vector3f(1, 1, 1);
polyline2d.Elevation = 100.0f;
dxf.AddEntity(polyline2d);
//lightweight polyline
LightWeightPolylineVertex lwVertex;
List<LightWeightPolylineVertex> lwVertexes = new List<LightWeightPolylineVertex>();
lwVertex = new LightWeightPolylineVertex(new Vector2f(-25, -25));
lwVertex.BeginThickness = 2;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2f(25, -25));
lwVertex.BeginThickness = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2f(25, 25));
lwVertex.Bulge = 1;
lwVertexes.Add(lwVertex);
lwVertex = new LightWeightPolylineVertex(new Vector2f(-25, 25));
lwVertexes.Add(lwVertex);
LightWeightPolyline lwPolyline = new LightWeightPolyline(lwVertexes, true);
lwPolyline.Layer = new Layer("lwpolyline");
lwPolyline.Layer.Color.Index = 5;
lwPolyline.Normal = new Vector3f(1, 1, 1);
lwPolyline.Elevation = 100.0f;
dxf.AddEntity(lwPolyline);
//line
Line line = new Line(new Vector3f(0, 0, 0), new Vector3f(10, 10, 10));
line.Layer = new Layer("line");
line.Layer.Color.Index = 6;
dxf.AddEntity(line);
//3d polyline
Polyline3dVertex vertex;
List<Polyline3dVertex> vertexes = new List<Polyline3dVertex>();
vertex = new Polyline3dVertex(new Vector3f(-50, -50, 0));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3f(50, -50, 10));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3f(50, 50, 25));
vertexes.Add(vertex);
vertex = new Polyline3dVertex(new Vector3f(-50, 50, 50));
vertexes.Add(vertex);
Polyline3d polyline = new Polyline3d(vertexes, true);
polyline.Layer = new Layer("polyline3d");
polyline.Layer.Color.Index = 24;
dxf.AddEntity(polyline);
//block definition
Block block = new Block("TestBlock");
block.Entities.Add(new Line(new Vector3f(-5, -5, 5), new Vector3f(5, 5, 5)));
block.Entities.Add(new Line(new Vector3f(5, -5, 5), new Vector3f(-5, 5, 5)));
//insert
Insert insert = new Insert(block, new Vector3f(5, 5, 5));
insert.Layer = new Layer("insert");
insert.Layer.Color.Index = 4;
dxf.AddEntity(insert);
//text
TextStyle style=new TextStyle("True type font","Arial.ttf");
Text text = new Text("Hello world!", Vector3f.Zero, 10.0f,style);
text.Layer = new Layer("text");
text.Layer.Color.Index = 8;
text.Alignment = TextAlignment.TopRight;
dxf.AddEntity(text);
dxf.Save("AutoCad2007.dxf", DxfVersion.AutoCad2007);
dxf.Save("AutoCad2004.dxf", DxfVersion.AutoCad2004);
dxf.Save("AutoCad2000.dxf", DxfVersion.AutoCad2000);
dxf.Save("AutoCad12.dxf", DxfVersion.AutoCad12);
}
}
}
标签： AutoCAD
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