导出 CAD
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]导出 3D AutoCAD 图像到 PDF
Aspose.CAD 允许您将 3D AutoCAD 图像导出为 PDF。请在 ImageOptions.CadRasterizationOptions 中使用 TypeOfEntities.Entities3D 来指定您想要导出 3D 实体。 下面的示例代码加载一个 AutoCAD 3D 文件并将其导出为 PDF。一旦文件被转换为 PDF，您可以使用您喜欢的 PDF 查看器打开它。
下面的代码示例显示了如何将 3D AutoCAD 图像导出为 PDF。
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| // For complete examples and data files, please go to https://github.com/aspose-cad/Aspose.CAD-for-Java | |
| // The path to the resource directory. | |
| String dataDir = Utils.getDataDir(Export3DAutoCADImagesToPDF.class) + "ExportingCAD/"; | |
| String srcFile = dataDir + "conic_pyramid.dxf"; | |
| Image cadImage = Image.load(srcFile); | |
| CadRasterizationOptions rasterizationOptions = new CadRasterizationOptions(); | |
| rasterizationOptions.setPageWidth(500); | |
| rasterizationOptions.setPageHeight(500); | |
| rasterizationOptions.setTypeOfEntities(TypeOfEntities.Entities3D); | |
| rasterizationOptions.setLayouts(new String[] {"Model"}); | |
| PdfOptions pdfOptions = new PdfOptions(); | |
| pdfOptions.setVectorRasterizationOptions(rasterizationOptions); | |
| cadImage.save(dataDir + "Export3DImagestoPDF_out_.pdf", pdfOptions); |
导出 CAD 布局到 PDF
Aspose.CAD for Java 允许您将 CAD 布局导出为 PDF。 CadImage 类的 save 方法可用于将布局导出为 PDF 格式。 下面的示例代码加载一个 CAD 文件并将其 “Model” 布局导出为 PDF。一旦文件被转换为 PDF，您可以使用您喜欢的 PDF 查看器打开它。
这是示例代码。
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| // For complete examples and data files, please go to https://github.com/aspose-cad/Aspose.CAD-for-Java | |
| // The path to the resource directory. | |
| String dataDir = Utils.getDataDir(ExportCADLayoutsToPDF.class) + "ExportingCAD/"; | |
| String srcFile = dataDir + "conic_pyramid.dxf"; | |
| // Create an instance of CadImage class and load the file. | |
| Image cadImage = Image.load(srcFile); | |
| // Create an instance of CadRasterizationOptions class | |
| CadRasterizationOptions rasterizationOptions = new CadRasterizationOptions(); | |
| rasterizationOptions.setPageWidth(1600); | |
| rasterizationOptions.setPageHeight(1600); | |
| // Set the Entities type property to Entities3D. | |
| rasterizationOptions.setTypeOfEntities(TypeOfEntities.Entities3D); | |
| rasterizationOptions.setScaleMethod(ScaleType.GrowToFit); | |
| rasterizationOptions.setContentAsBitmap(true); | |
| // Set Layouts | |
| rasterizationOptions.setLayouts(new String[] {"Model"}); | |
| // Create an instance of PDF options class | |
| PdfOptions pdfOptions = new PdfOptions(); | |
| pdfOptions.setVectorRasterizationOptions(rasterizationOptions); | |
| // Set Graphics options | |
| rasterizationOptions.getGraphicsOptions().setSmoothingMode(SmoothingMode.HighQuality); | |
| rasterizationOptions.getGraphicsOptions().setTextRenderingHint(TextRenderingHint.AntiAliasGridFit); | |
| rasterizationOptions.getGraphicsOptions().setInterpolationMode(InterpolationMode.HighQualityBicubic); | |
| // Export to PDF by calling the Save method | |
| cadImage.save(dataDir + "CADLayoutsToPDF_out_.pdf", pdfOptions); |
在导出中支持设置笔
Aspose.CAD for Java 允许您在 CAD 的导出属性中添加笔选项。使用 rasterizationOptions，我们可以设置笔属性选项。
下面是实现指定需求的示例代码。
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| String dataDir = Utils.getDataDir(PenSupportInExport.class) + "CADConversion/"; | |
| String srcFile = dataDir + "conic_pyramid.dxf"; | |
| CadImage cadImage = ((CadImage)(Image.load(srcFile))); | |
| CadRasterizationOptions rasterizationOptions = new CadRasterizationOptions(); | |
| rasterizationOptions.setPageWidth(cadImage.getWidth() * 100); | |
| rasterizationOptions.setPageHeight(cadImage.getHeight() * 100); | |
| PdfOptions pdfOptions = new PdfOptions(); | |
| // Here user can change default start cap and end cap of pens when exporting CadImage object to | |
| // image. It can be using for all image formats: pdf, png, bmp, gif, jpeg2000, jpeg, psd, tiff, wmf. | |
| // If user doesn't use PenOptions, system will use its own default pens (different in defferent places). | |
| PenOptions penOts = new PenOptions(); | |
| penOts.setStartCap(LineCap.Flat); | |
| penOts.setEndCap(LineCap.Flat); | |
| //rasterizationOptions.setPenOptions(penOts); | |
| pdfOptions.setVectorRasterizationOptions(rasterizationOptions); | |
| cadImage.save((dataDir+"9LHATT-A56_generated.pdf"),pdfOptions); | |
分解 CAD 插入对象
Aspose.CAD for Java 允许您分解 CAD 对象并处理插入内部的单独实体。下面是实现指定需求的示例代码。
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| String srcFile = dataDir + "conic_pyramid.dxf"; | |
| CadImage cadImage =(CadImage) Image.load(srcFile); | |
| try | |
| { | |
| for (int i=0; i<cadImage.getEntities().length;i++) | |
| { | |
| if (cadImage.getEntities()[i].getTypeName() == CadEntityTypeName.INSERT) | |
| { | |
| CadBlockEntity block = | |
| (CadBlockEntity)cadImage.getBlockEntities().get_Item(((CadInsertObject)cadImage.getEntities()[i]).getName()); | |
| for (CadBaseEntity blockChild : block.getEntities()) | |
| { | |
| // process entities | |
| } | |
| } | |
| } | |
| } | |
| finally | |
| { | |
| cadImage.dispose(); | |
| } |
支持 ACAD 代理实体
Aspose.CAD for Java 允许您读取和导出 ACAD_PROXY_ENTITY 实体。下面是实现指定需求的示例代码。
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| String dataDir = Utils.getDataDir(PenSupportInExport.class) + "CADConversion/"; | |
| String srcFile = dataDir + "conic_pyramid.dxf"; | |
| CadImage cadImage = ((CadImage)(Image.load(srcFile))); | |
| CadRasterizationOptions rasterizationOptions = new CadRasterizationOptions(); | |
| rasterizationOptions.setPageWidth(cadImage.getWidth() * 100); | |
| rasterizationOptions.setPageHeight(cadImage.getHeight() * 100); | |
| PdfOptions pdfOptions = new PdfOptions(); | |
| // Here user can change default start cap and end cap of pens when exporting CadImage object to | |
| // image. It can be using for all image formats: pdf, png, bmp, gif, jpeg2000, jpeg, psd, tiff, wmf. | |
| // If user doesn't use PenOptions, system will use its own default pens (different in defferent places). | |
| PenOptions penOts = new PenOptions(); | |
| penOts.setStartCap(LineCap.Flat); | |
| penOts.setEndCap(LineCap.Flat); | |
| //rasterizationOptions.setPenOptions(penOts); | |
| pdfOptions.setVectorRasterizationOptions(rasterizationOptions); | |
| cadImage.save((dataDir+"9LHATT-A56_generated.pdf"),pdfOptions); | |
集成 IGES 格式
Aspose.CAD for Java 允许您读取和导出 IGES 格式。下面是实现指定需求的示例代码。
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| String dataDir = Utils.getDataDir(ExportIGEStoPDF.class) + "IGESDrawings/"; | |
| String PLTPathToFile = dataDir + "figa2.igs"; | |
| Image image = Image.load(PLTPathToFile); | |
| //Setting PDF Options | |
| PdfOptions pdfOptions = new PdfOptions(); | |
| CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions(); | |
| cadRasterizationOptions.setDrawType(CadDrawTypeMode.UseObjectColor); | |
| cadRasterizationOptions.setPageHeight(1000); | |
| cadRasterizationOptions.setPageWidth(1000); | |
| pdfOptions.setVectorRasterizationOptions(cadRasterizationOptions); | |
| //Saving to PDF | |
| image.save(dataDir+"figa2.pdf", pdfOptions); | |
支持网格模型
Aspose.CAD for Java 允许您实现并计算使用多边形表示的网格模型，如边缘、顶点和面。下面是实现指定需求的示例代码。
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| String srcFile = dataDir + "meshes.dwg"; | |
| // com.aspose.cad. objImage = com.aspose.cad.CImage.load(srcFile); | |
| CadImage cadImage =(CadImage) com.aspose.cad.Image.load(srcFile); | |
| try | |
| { | |
| for (CadBaseEntity entity : cadImage.getEntities()) | |
| { | |
| if (entity instanceof CadPolyFaceMesh) | |
| { | |
| CadPolyFaceMesh asFaceMesh= (CadPolyFaceMesh)entity; | |
| if (asFaceMesh != null) | |
| { | |
| System.out.println("Vetexes count: " + asFaceMesh.getMeshMVertexCount()); | |
| } | |
| } | |
| else if (entity instanceof CadPolygonMesh) | |
| { | |
| CadPolygonMesh asPolygonMesh= (CadPolygonMesh)entity; | |
| if (asPolygonMesh != null) | |
| { | |
| System.out.println("Vetexes count: " + asPolygonMesh.getMeshMVertexCount()); | |
| } | |
| } | |
| } | |
| } | |
| finally | |
| { | |
| cadImage.dispose(); | |
| } |
设置自定义视角
Aspose.CAD for Java 允许您为模型布局设置自定义视角。使用 vectorRasterizationOptions，您可以设置自定义视角。下面的代码示例显示了如何设置自定义视角。
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| String dataDir = Utils.getDataDir(FreePointOfView.class) + "CADConversion/"; | |
| // Path to source file | |
| String sourceFilePath = dataDir+"conic_pyramid.dxf"; | |
| // Load a CAD drawing in an instance of Image | |
| com.aspose.cad.Image objImage = com.aspose.cad.Image.load(sourceFilePath); | |
| CadRasterizationOptions cadRasterizationOptions = new CadRasterizationOptions(); | |
| cadRasterizationOptions.setPageHeight(1500); | |
| cadRasterizationOptions.setPageWidth(1500); | |
| // Create an instance of JpegOptions class | |
| com.aspose.cad.imageoptions.JpegOptions options = new com.aspose.cad.imageoptions.JpegOptions(); | |
| options.setVectorRasterizationOptions(cadRasterizationOptions); | |
| float xAngle = 10; //Angle of rotation along the X axis | |
| float yAngle = 30; //Angle of rotation along the Y axis | |
| float zAngle = 40; //Angle of rotation along the Z axis | |
| ObserverPoint obvPoint = new ObserverPoint(xAngle,yAngle,zAngle); | |
| cadRasterizationOptions.setObserverPoint(obvPoint); | |
| options.setVectorRasterizationOptions(cadRasterizationOptions); | |
| //Saving to Image | |
| objImage.save(dataDir+"FreePointOfView_out.jpeg", options); |