今天發(fā)現(xiàn)AnyCAD.Net SDK發(fā)布了，甚是激動，馬上同步下代碼和SDK使用一下。因?yàn)檫@個(gè)東東是這個(gè)領(lǐng)域少有的免費(fèi)的開發(fā)包！

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按照官方網(wǎng)站上的說法，AnyCAD .Net SDK是給C#的開發(fā)者提供的CAD API，而實(shí)際上其他.Net的開發(fā)者（VB.Net）都可以用。

（圖片來自www.anycad.net）

1 下載

在github上可以下載該SDK。解壓后大小不到20M，相比其他CAD的SDK來說，確實(shí)小！

2 在項(xiàng)目中引用Assembly：

3. 我認(rèn)為一些有用的類

4. 代碼

（摘自官方的示例程序）

using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using AnyCAD.Platform; namespace AnyCAD.Basic { public partial class FormMain : Form { // The global application object Platform.Application theApplication = new Platform.Application(); // BREP tool to create geometries. BrepTools shapeMaker = new BrepTools(); // Default 3d View Platform.View3d theView; public FormMain() { InitializeComponent(); this.MouseWheel += new System.Windows.Forms.MouseEventHandler(this.OnMouseWheel); } private void FormMain_Load(object sender, EventArgs e) { // Initialize the Application. theApplication.Initialize(); Size size = panel3d.Size; // Create the 3d View theView = theApplication.CreateView(panel3d.Handle.ToInt32(), size.Width, size.Height); theView.RequestDraw(); this.timerDraw.Enabled = true; } private void FormMain_SizeChanged(object sender, EventArgs e) { Size size = panel3d.Size; if(theView != null) theView.OnSize(size.Width, size.Height); } private void panel3d_Paint(object sender, PaintEventArgs e) { if (theView == null) return; theView.Redraw(); } private void timerDraw_Tick(object sender, EventArgs e) { theView.RequestDraw(); theView.Redraw(); } private SceneNode ShowTopoShape(TopoShape topoShape, int id) { // Add the TopoShape to Scene. TopoShapeConvert convertor = new TopoShapeConvert(); SceneNode faceNode = convertor.ToFaceNode(topoShape, 0.5f); faceNode.SetId(id); theView.GetSceneManager().AddNode(faceNode); return faceNode; } private void ClearScene() { theView.GetSceneManager().ClearNodes(); } private void sphereToolStripMenuItem_Click(object sender, EventArgs e) { TopoShape sphere = shapeMaker.MakeSphere(new Vector3(0, 0, 0), 40); ShowTopoShape(sphere, 100); } private void boxToolStripMenuItem_Click(object sender, EventArgs e) { TopoShape box = shapeMaker.MakeBox(new Vector3(40, -20, 0), new Vector3(0, 0, 1), new Vector3(30, 40, 60)); SceneNode sceneNode = ShowTopoShape(box, 101); // Face Style FaceStyle style = new FaceStyle(); style.SetColor(new ColorValue(0.5f, 0.3f, 0, 1)); sceneNode.SetFaceStyle(style); } private void cylinderToolStripMenuItem_Click(object sender, EventArgs e) { TopoShape cylinder = shapeMaker.MakeCylinder(new Vector3(80, 0, 0), new Vector3(0, 0, 1), 20, 100, 315); SceneNode sceneNode = ShowTopoShape(cylinder, 102); FaceStyle style = new FaceStyle(); style.SetColor(new ColorValue(0.1f, 0.3f, 0.8f, 1)); sceneNode.SetFaceStyle(style); } private void coneToolStripMenuItem_Click(object sender, EventArgs e) { TopoShape cylinder = shapeMaker.MakeCone(new Vector3(120, 0, 0), new Vector3(0, 0, 1), 20, 100, 40, 315); ShowTopoShape(cylinder, 103); } private void extrudeToolStripMenuItem_Click(object sender, EventArgs e) { int size = 20; // Create the outline edge TopoShape arc = shapeMaker.MakeArc3Pts(new Vector3(-size, 0, 0), new Vector3(size, 0, 0), new Vector3(0, size, 0)); TopoShape line1 = shapeMaker.MakeLine(new Vector3(-size, -size, 0), new Vector3(-size, 0, 0)); TopoShape line2 = shapeMaker.MakeLine(new Vector3(size, -size, 0), new Vector3(size, 0, 0)); TopoShape line3 = shapeMaker.MakeLine(new Vector3(-size, -size, 0), new Vector3(size, -size, 0)); TopoShapeGroup shapeGroup = new TopoShapeGroup(); shapeGroup.Add(line1); shapeGroup.Add(arc); shapeGroup.Add(line2); shapeGroup.Add(line3); TopoShape wire = shapeMaker.MakeWire(shapeGroup); TopoShape face = shapeMaker.MakeFace(wire); // Extrude TopoShape extrude = shapeMaker.Extrude(face, 100, new Vector3(0, 0, 1)); ShowTopoShape(extrude, 104); // Check find.... SceneNode findNode = theView.GetSceneManager().FindNode(104); theView.GetSceneManager().SelectNode(findNode); } private void revoleToolStripMenuItem_Click(object sender, EventArgs e) { int size = 10; // Create the outline edge TopoShape arc = shapeMaker.MakeArc3Pts(new Vector3(-size, 0, 0), new Vector3(size, 0, 0), new Vector3(0, size, 0)); TopoShape line1 = shapeMaker.MakeLine(new Vector3(-size, -size, 0), new Vector3(-size, 0, 0)); TopoShape line2 = shapeMaker.MakeLine(new Vector3(size, -size, 0), new Vector3(size, 0, 0)); TopoShape line3 = shapeMaker.MakeLine(new Vector3(-size, -size, 0), new Vector3(size, -size, 0)); TopoShapeGroup shapeGroup = new TopoShapeGroup(); shapeGroup.Add(line1); shapeGroup.Add(arc); shapeGroup.Add(line2); shapeGroup.Add(line3); TopoShape wire = shapeMaker.MakeWire(shapeGroup); TopoShape revole = shapeMaker.Revol(wire, new Vector3(size * 3, 0, 0), new Vector3(0, 1, 0), 145); ShowTopoShape(revole, 105); } private void clearToolStripMenuItem_Click(object sender, EventArgs e) { ClearScene(); } private void sTLToolStripMenuItem_Click(object sender, EventArgs e) { OpenFileDialog dlg = new OpenFileDialog(); dlg.Filter = "STL (*.stl)|*.stl|All Files(*.*)|*.*"; if (DialogResult.OK == dlg.ShowDialog()) { TopoShape shape = shapeMaker.LoadFile(dlg.FileName); if( shape != null) ShowTopoShape(shape, 1000); } } private void Pane3d_MouseDown(object sender, MouseEventArgs e) { ViewUtility.OnMouseDownEvent(theView, e); } private void Pane3d_MouseMove(object sender, MouseEventArgs e) { ViewUtility.OnMouseMoveEvent(theView, e); } private void Pane3d_MouseUp(object sender, MouseEventArgs e) { ViewUtility.OnMouseUpEvent(theView, e); } private void OnMouseWheel(object sender, MouseEventArgs e) { ViewUtility.OnMouseWheelEvent(theView, e); } } }

5. 運(yùn)行效果

6. 結(jié)論

• 建模功能滿足基本的需求
  • 支持基本體
  • 支持創(chuàng)建拉伸，掃掠，回轉(zhuǎn)體等
• 支持自定義的顯示效果設(shè)置
• 視圖操作符合ＣＡＤ的操作習(xí)慣
• 與AutoCAD相比大的一個(gè)優(yōu)勢就是不是二次開發(fā)的方式，直接可以創(chuàng)建獨(dú)立的應(yīng)用程序
• 這個(gè)東東是免費(fèi)的

新聞標(biāo)題：AnyCAD.NetSDK試用手記-創(chuàng)新互聯(lián)
標(biāo)題URL：http://newbst.com/article6/hhiog.html

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