public int Granularity { get; set; }
An Int32 that indicates the number of scanned lines per column to skip when reading a barcode. Must be a value greater to or equal to 1. The default value is 9.
A value of 9 means that each tenth line will be scanned when looking for a barcode. Scanning every line will slow the search process while skipping too many lines may skip over the barcode.
using Leadtools;using Leadtools.Codecs;using Leadtools.Barcode;using Leadtools.ImageProcessing;public void OneDBarcode_Example(){string imageFileName = Path.Combine(LEAD_VARS.ImagesDir, "MyOneDBarcodes.tif");BarcodeEngine engine = new BarcodeEngine();// Create the image to write the barcodes toint resolution = 300;using (RasterImage image = RasterImage.Create((int)(8.5 * resolution), (int)(11.0 * resolution), 1, resolution, RasterColor.FromKnownColor(RasterKnownColor.White))){// Write a POSTNET and a PLANET barcodesWriteBarcode(engine.Writer, image, BarcodeSymbology.UPCA, "01234567890", new LeadRect(10, 100, 400, 200));WriteBarcode(engine.Writer, image, BarcodeSymbology.Code128, "Code 128", new LeadRect(10, 400, 400, 200));WriteBarcode(engine.Writer, image, BarcodeSymbology.Code11, "124578", new LeadRect(10, 700, 400, 200));// Save the imageusing (RasterCodecs codecs = new RasterCodecs()){codecs.Save(image, imageFileName, RasterImageFormat.CcittGroup4, 1);}}// Now read the barcodes againusing (RasterCodecs codecs = new RasterCodecs()){using (RasterImage image = codecs.Load(imageFileName)){// Read the UPC-A barcodeReadBarcodes(engine.Reader, image, BarcodeSymbology.UPCA);// Read the Code 128 barcodeReadBarcodes(engine.Reader, image, BarcodeSymbology.Code128);// Read the Code 11 barcodeReadBarcodes(engine.Reader, image, BarcodeSymbology.Code11);}}}private void WriteBarcode(BarcodeWriter writer, RasterImage image, BarcodeSymbology symbology, string value, LeadRect bounds){// Create the barcode dataBarcodeData barcode = new BarcodeData(symbology, value);barcode.Bounds = bounds;// Set the write optionsOneDBarcodeWriteOptions options = new OneDBarcodeWriteOptions();options.TextPosition = BarcodeOutputTextPosition.Default;options.UseXModule = false;options.XModule = 30;options.EnableErrorCheck = false;options.SetGS1DatabarLinkageBit = false;options.WriteTruncatedGS1Databar = false;options.Code128TableEncoding = Code128BarcodeTableEncoding.Auto;options.Code11CheckDigitType = Code11BarcodeCheckDigitType.CDigit;options.MSIModuloType = MSIBarcodeModuloType.Modulo10;// Write itConsole.WriteLine("Writing {0} barcode with data: {1}", symbology, value);writer.WriteBarcode(image, barcode, options);}private void ReadBarcodes(BarcodeReader reader, RasterImage image, BarcodeSymbology symbology){// Setup read optionsOneDBarcodeReadOptions options = new OneDBarcodeReadOptions();options.SearchDirection = BarcodeSearchDirection.Horizontal;options.EnableFastMode = true;options.Granularity = 9;options.MinimumStringLength = 3;options.MaximumStringLength = 0;options.WhiteLinesNumber = 3;options.ReturnCheckDigit = BarcodeReturnCheckDigit.Default;options.EnableErrorCheck = false;options.AvoidCorruptedBlocks = false;options.AllowPartialRead = false;options.Code11CheckDigitType = Code11BarcodeCheckDigitType.CDigit;options.MSIModuloType = MSIBarcodeModuloType.Modulo10;options.CalculateBarWidthReduction = true;options.Code39Extended = false;options.EnableDoublePass = false;options.EnablePreprocessing = false;options.ResizeSmall1D = false;Console.WriteLine("Reading {0} barcodes", symbology);BarcodeData barcode = reader.ReadBarcode(image, LeadRect.Empty, symbology, options);if (barcode != null){Console.WriteLine(" At {0}, data: {1}", barcode.Bounds, barcode.Value);}else{Console.WriteLine(" Not found");}}static class LEAD_VARS{public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";}