Adjusting CAD Drawing Size

Using Aspose.CAD for Java, developers can adjust the size of drawing during the conversion of the CAD format. This topic explains the approach to auto-adjusts or adjusts the size using the UnitType enum of the com.aspose.cad.imageoptions class.

Adjusting CAD drawing size

Aspose.CAD for Java provides the UnitType enumeration to adjust the size of the drawing during the conversion of the CAD format. There are two ways to adjust the drawing size.

1. Automatic adjust size
2. Adjust size by using the UnitType enumeration of the com.aspose.cad.imageoptions class

For automatic adjusting the size, developers do not need to provide the Width and Height properties of the CadRasterizationOptions class. Below provided code snippet is an example of automatic sizing.

// For complete examples and data files, please go to https://github.com/aspose-cad/Aspose.CAD-for-Java

// Path to source file
String sourceFilePath = "sample.dwg";

// Load a CAD drawing in an instance of Image
com.aspose.cad.Image objImage = com.aspose.cad.Image.load("sourceFilePath");

// Create an instance of BmpOptions class
com.aspose.cad.imageoptions.BmpOptions bmpOptions = new com.aspose.cad.imageoptions.BmpOptions();

// Create an instance of CadRasterizationOptions and set its various properties
com.aspose.cad.imageoptions.CadRasterizationOptions cadRasterizationOptions = 
        new com.aspose.cad.imageoptions.CadRasterizationOptions();

bmpOptions.setVectorRasterizationOptions(cadRasterizationOptions);
cadRasterizationOptions.setCenterDrawing(true);

// Set the layouts property
cadRasterizationOptions.setLayouts( new String[] { "Model" } );

// Export layout to BMP format
String outPath = sourceFilePath + ".bmp";
objImage.save(outPath, bmpOptions);

UnitType enumeration gives the ability to adjust scaling when Width and Height properties are not set. Below provided code snippet demonstrate how to use UnitType.

String dataDir = Utils.getDataDir(AdjustingCADDrawingSizeUsingUnitType.class) + "CADConversion/";
 // Path to source file
 String sourceFilePath = dataDir + "sample.dwg";
     
 // Load a CAD drawing in an instance of Image
Image image = Image.load(sourceFilePath);
		
 
 // Create an instance of BmpOptions class
 com.aspose.cad.imageoptions.BmpOptions bmpOptions = new com.aspose.cad.imageoptions.BmpOptions();

 // Create an instance of CadRasterizationOptions and set its various properties
 com.aspose.cad.imageoptions.CadRasterizationOptions cadRasterizationOptions = 
         new com.aspose.cad.imageoptions.CadRasterizationOptions();
 
 bmpOptions.setVectorRasterizationOptions(cadRasterizationOptions);

 // Set the UnitType property
 cadRasterizationOptions.setUnitType(com.aspose.cad.imageoptions.UnitType.Centimenter);

 // Set the layouts property
 cadRasterizationOptions.setLayouts( new String[] { "Model" } );
         
 // Export layout to BMP format
 String outPath = sourceFilePath + ".bmp";
 image.save(outPath, bmpOptions);