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SymbolModel Property

Gets or sets the chosen symbol size when writing an Aztec barcode.
public AztecBarcodeSymbolModel SymbolModel { get; set; } 
@property (nonatomic, assign) LTAztecBarcodeSymbolModel symbolModel; 
public AztecBarcodeSymbolModel getSymbolModel() 
public void setSymbolModel(AztecBarcodeSymbolModel value) 
property AztecBarcodeSymbolModel SymbolModel { 
   AztecBarcodeSymbolModel get(); 
   void set (    AztecBarcodeSymbolModel ); 
SymbolModel # get and set (AztecBarcodeWriteOptions) 

Property Value

A AztecBarcodeSymbolModel enumeration member that determines the symbol size to use when writing an Aztec barcode. The default value is AztecBarcodeSymbolModel.AutoSize.


The smallest Aztec Code symbol is AztecBarcodeSymbolModel.Compact1 (15x15 modules square), and the largest is AztecBarcodeSymbolModel.Full32(151 x 151). When the default value AztecBarcodeSymbolModel.AutoSize is used the encoder will choose a symbol size based on the size of input message and the ratio of error detection and correction

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Barcode; 
using Leadtools.ImageProcessing; 
public void AztecBarcode_Example() 
   string imageFileName = Path.Combine(LEAD_VARS.ImagesDir, "MyAztecBarcodes.tif"); 
   BarcodeEngine engine = new BarcodeEngine(); 
   // Create the image to write the barcodes to 
   int resolution = 300; 
   using (RasterImage image = RasterImage.Create((int)(8.5 * resolution), (int)(11.0 * resolution), 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White))) 
      // Write two Aztec barcodes 
      WriteBarcode(engine.Writer, image, AztecBarcodeSymbolModel.AutoSize, "Aztec Data 1", 0); 
      WriteBarcode(engine.Writer, image, AztecBarcodeSymbolModel.Compact4, "Aztec Data 2", 1000); 
      // Save the image 
      using (RasterCodecs codecs = new RasterCodecs()) 
         codecs.Save(image, imageFileName, RasterImageFormat.CcittGroup4, 1); 
   // Now read the barcodes again 
   using (RasterCodecs codecs = new RasterCodecs()) 
      using (RasterImage image = codecs.Load(imageFileName)) 
         // Read all the Aztec barcodes 
         ReadBarcodes(engine.Reader, image); 
private void WriteBarcode(BarcodeWriter writer, RasterImage image, AztecBarcodeSymbolModel symbolModel, string value, int startRow) 
   // Create the barcode data 
   AztecBarcodeData barcode = BarcodeData.CreateDefaultBarcodeData(BarcodeSymbology.Aztec) as AztecBarcodeData; 
   barcode.Value = value; 
   // We will use the alignment to position the barcodes, so use all of the image 
   barcode.Bounds = new LeadRect(0, startRow, image.ImageWidth, image.ImageHeight); 
   // Set the write options 
   AztecBarcodeWriteOptions options = new AztecBarcodeWriteOptions(); 
   options.AztecRune = false; 
   options.AztecRuneValue = 150; 
   options.ErrorCorrectionRate = 23; 
   options.XModule = 30; 
   options.QuietZone = 10; 
   options.SymbolModel = symbolModel; 
   // Write it 
   Console.WriteLine("Writing barcode with symbol model: {0} and Data: {1}", symbolModel, value); 
   Console.WriteLine($"Barcode symbology: {barcode.Symbology}"); 
   writer.WriteBarcode(image, barcode, options); 
private void ReadBarcodes(BarcodeReader reader, RasterImage image) 
   // Setup read options 
   AztecBarcodeReadOptions options = new AztecBarcodeReadOptions(); 
   Console.WriteLine("Reading Aztec barcodes"); 
   BarcodeData[] barcodes = reader.ReadBarcodes(image, LeadRect.Empty, 0, new BarcodeSymbology[] { BarcodeSymbology.Aztec }, new BarcodeReadOptions[] { options }); 
   Console.WriteLine("{0} barcodes found:", barcodes.Length); 
   foreach (AztecBarcodeData barcode in barcodes) 
      Console.WriteLine(" At {0}, and data: {1}", barcode.Bounds, barcode.Value); 
static class LEAD_VARS 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 

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Help Version 22.0.2023.5.9
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Leadtools.Barcode Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.