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MasterFormCacheMaximumSize Property

Summary

Specifies the maximum number of master forms that can be stored in a cache at any time.

Syntax
C#
VB
C++
public int MasterFormCacheMaximumSize { get; set; } 
Public Property MasterFormCacheMaximumSize() As Integer 
   Get 
   Set 
public:  
   property Int32 MasterFormCacheMaximumSize 
   { 
      Int32 get() 
      void set(Int32 value) 
   } 

Property Value

Specifies the maximum number of master forms that can be stored in a cache at any time. Set to 1 or less to make the caches perform as load on demand.

Remarks

Example
C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Forms.Common; 
using Leadtools.Forms.Auto; 
using Leadtools.Ocr; 
using Leadtools.Forms.Recognition; 
using Leadtools.Forms.Processing; 
using Leadtools.Barcode; 
 
public static void AutoFormsEngineCreateOptions_Example() 
{ 
   using (IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, false)) 
   { 
      ocrEngine.Startup(null, null, null, LEAD_VARS.OcrLEADRuntimeDir); 
 
      string root = Path.Combine(LEAD_VARS.ImagesDir, @"Forms\MasterForm Sets\Driving License"); 
      DiskMasterFormsRepository formsRepository = new DiskMasterFormsRepository(ocrEngine.RasterCodecsInstance, root); 
 
      // Set the parameters for the AutoFormsEngine 
      AutoFormsEngineCreateOptions autoFormsOptions = new AutoFormsEngineCreateOptions() 
      { 
         Repository = formsRepository, 
         RecognitionOcrEngine = ocrEngine, 
         ProcessingOcrEngine = ocrEngine, 
         BarcodeEngine = null, 
         Managers = AutoFormsRecognitionManager.Ocr | AutoFormsRecognitionManager.Default, 
         MinimumConfidenceKnownForm = 30, 
         MinimumConfidenceRecognized = 80, 
         RecognizeFirstPageOnly = true, 
         MasterFormLoadType = AutoFormsEngineMasterFormLoadType.UseCache 
      }; 
 
      // Create the AutoFormsEngine using the options previously defined 
      using (AutoFormsEngine autoEngine = new AutoFormsEngine(autoFormsOptions)) 
      { 
         // If caching masterform files, load 10 of them at a time 
         if (autoEngine.MasterFormLoadType == AutoFormsEngineMasterFormLoadType.UseCache) 
            autoEngine.MasterFormCacheMaximumSize = 10; 
 
         // Recognize and process the form 
         autoEngine.FilledFormType = FormsPageType.IDCard; 
         autoEngine.EnableQuickPreRecognitionCheck = false; 
         AutoFormsRunResult result = autoEngine.Run(Path.Combine(LEAD_VARS.ImagesDir, @"Forms\Forms to be Recognized\Driving License\License.png"), null); 
 
         if (result != null) 
            Console.WriteLine(String.Format("Recognized as {0} with {1}% confidence.", result.RecognitionResult.MasterForm.Name, result.RecognitionResult.Result.Confidence)); 
         else 
            Console.WriteLine("Form not recognized"); 
      } 
   } 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; 
   public const string OcrLEADRuntimeDir = @"C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.Forms.Common 
Imports Leadtools.Forms.Auto 
Imports Leadtools.Ocr 
Imports Leadtools.Forms.Recognition 
Imports Leadtools.Forms.Processing 
Imports Leadtools.Barcode 
 
Public Shared Sub AutoFormsEngineCreateOptions_Example() 
   Using ocrEngine As IOcrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD, False) 
      ocrEngine.Startup(Nothing, Nothing, Nothing, LEAD_VARS.OcrLEADRuntimeDir) 
 
      Dim root As String = Path.Combine(LEAD_VARS.ImagesDir, "Forms\MasterForm Sets\Driving License") 
      Dim formsRepository As DiskMasterFormsRepository = New DiskMasterFormsRepository(ocrEngine.RasterCodecsInstance, root) 
 
      ' Set the parameters for the AutoFormsEngine 
      Dim autoFormsOptions As AutoFormsEngineCreateOptions = New AutoFormsEngineCreateOptions() 
      autoFormsOptions.Repository = formsRepository 
      autoFormsOptions.RecognitionOcrEngine = ocrEngine 
      autoFormsOptions.ProcessingOcrEngine = ocrEngine 
      autoFormsOptions.BarcodeEngine = Nothing 
      autoFormsOptions.Managers = AutoFormsRecognitionManager.Ocr Or AutoFormsRecognitionManager.Default 
      autoFormsOptions.MinimumConfidenceKnownForm = 30 
      autoFormsOptions.MinimumConfidenceRecognized = 80 
      autoFormsOptions.RecognizeFirstPageOnly = True 
      autoFormsOptions.MasterFormLoadType = AutoFormsEngineMasterFormLoadType.UseCache 
 
      ' Create the AutoFormsEngine using the options previously defined 
      Using autoEngine As AutoFormsEngine = New AutoFormsEngine(autoFormsOptions) 
         ' If caching masterform files, load 10 of them at a time 
         If autoEngine.MasterFormLoadType = AutoFormsEngineMasterFormLoadType.UseCache Then 
            autoEngine.MasterFormCacheMaximumSize = 10 
         End If 
 
         ' Recognize and process the form 
         autoEngine.FilledFormType = FormsPageType.IDCard 
         autoEngine.EnableQuickPreRecognitionCheck = False 
         Dim result As AutoFormsRunResult = autoEngine.Run(Path.Combine(LEAD_VARS.ImagesDir, "Forms\Forms to be Recognized\Driving License\License.png"), Nothing) 
 
         If Not result Is Nothing Then 
            Console.WriteLine(String.Format("Recognized as {0} with {1}% confidence.", result.RecognitionResult.MasterForm.Name, result.RecognitionResult.Result.Confidence)) 
         Else 
            Console.WriteLine("Form not recognized") 
         End If 
      End Using 
   End Using 
End Sub 
 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
   Public Const OcrLEADRuntimeDir As String = "C:\LEADTOOLS 20\Bin\Common\OcrLEADRuntime" 
End Class 

Requirements

Target Platforms

Help Version 20.0.2019.9.19
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Leadtools.Forms.Auto Assembly