OmrEngine Class

using Leadtools; 
using Leadtools.Barcode; 
using Leadtools.Codecs; 
using Leadtools.Forms.Processing.Omr; 
using Leadtools.Forms.Processing.Omr.Fields; 
using Leadtools.Ocr; 
 
//  Main Workflow Example Source 
static void Main(string[] args) 
{ 
   if (SetLicense() == false) 
   { 
      Console.WriteLine("Either the  license is not set, or OMR functionality is not supported."); 
      Console.WriteLine("Application will exit."); 
 
      return; 
   } 
 
   // create and initialize a new OmrEngine 
   OmrEngine engine = OmrEngineExamples.CreateOmrEngine(); 
 
   // load a rasterimage that the template will use as a source 
   string inputImagePath = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\OMR Processing\Exam\exam.tif"); 
   RasterImage templateImage = engine.EnginesObject.RasterCodecs.Load(inputImagePath); 
 
   // create an ITemplateForm object from the rasterimage 
   ITemplateForm template = OmrEngineExamples.CreateNewTemplate(templateImage, engine); 
 
   // create a few zones and add them to the template 
   OmrFieldExamples.AddZonesToTemplate(template); 
 
   // save our constructed template to a file on disk 
   ITemplateFormExamples.SaveTemplateToDisk(template); 
 
   // apply OMR to the answer key 
   IRecognitionForm answers = IRecognitionFormExamples.RecognizeForm(template, engine); 
 
   // apply OMR to the individual forms 
   List<IRecognitionForm> recognizedForms = IRecognitionFormExamples.RecognizeMultipleForms(template, engine); 
 
   // analyze the documents and print the results 
   OmrEngineExamples.PerformAnalysis(recognizedForms, answers); 
 
   // shut down the OcrEngine associated with this OmrEngine 
   engine.EnginesObject.OcrEngine.Shutdown(); 
} 
 
 
private static bool SetLicense() 
{ 
   string licenseFile = @"C:\LEADTOOLS 21\Support\Common\License\LEADTOOLS.LIC"; 
   string key = System.IO.File.ReadAllText(@"C:\LEADTOOLS 21\Support\Common\License\LEADTOOLS.LIC.key"); 
 
   try 
   { 
      RasterSupport.SetLicense(licenseFile, key); 
   } 
   catch (Exception) 
   { 
      return false; 
   } 
 
   return !RasterSupport.IsLocked(RasterSupportType.Omr); 
}  
// OMR Engine Example Source 
public static OmrEngine CreateOmrEngine() 
{ 
   OmrEngine omrEngine = new OmrEngine(); 
 
   // the OmrEngine requires an OcrEngine to be associated with it and for that engine to be started 
   IOcrEngine engine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD); 
   engine.Startup(null, null, null, null); 
   omrEngine.EnginesObject.OcrEngine = engine; 
 
   omrEngine.EnginesObject.BarcodeEngine = new BarcodeEngine(); 
 
   // the OmrEngine also has a property for a RasterCodecs object we can use for convenience 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.Options.Load.Resolution = 300; 
   codecs.Options.Load.XResolution = 300; 
   codecs.Options.Load.YResolution = 300; 
   codecs.Options.RasterizeDocument.Load.Resolution = 300; 
   codecs.Options.RasterizeDocument.Load.XResolution = 300; 
   codecs.Options.RasterizeDocument.Load.YResolution = 300; 
   omrEngine.EnginesObject.RasterCodecs = codecs; 
 
   return omrEngine; 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images"; 
}