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Bounds Property

Summary

The bounding rectangle of the character.

Syntax
C#
C++/CLI
Java
Python
public LeadRectD Bounds { get; set; } 
public:  
   property LeadRectD^ Bounds 
   { 
      LeadRectD^ get() 
      void set(LeadRectD^ value) 
   } 
public LeadRectD getBounds() 
public void setBounds(LeadRectD value) 
Bounds # get and set (DocumentCharacter) 

Property Value

The bounding rectangle of the character in document coordinates. Default value is empty rectangle.

Remarks

This value is in document coordinates. Refer to Document Library Coordinate System for more information.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Document.Writer; 
 
using Leadtools.Document; 
using Leadtools.Caching; 
using Leadtools.Annotations.Engine; 
using Leadtools.Ocr; 
using Leadtools.Barcode; 
using Leadtools.Document.Converter; 
 
public void StoreOcrPageCharactersExample() 
{ 
   // Initialize an OCR engine 
   IOcrEngine ocrEngine = OcrEngineManager.CreateEngine(OcrEngineType.LEAD); 
   // Start the engine using default parameters 
   ocrEngine.Startup(null, null, null, @"C:\LEADTOOLS22\Bin\Common\OcrLEADRuntime"); 
 
   // Load a document that we know will be OCRed 
   string documentFile = @"C:\LEADTOOLS22\Resources\Images\ocr1.tif"; 
   using (LEADDocument document = DocumentFactory.LoadFromFile(documentFile, new LoadDocumentOptions())) 
   { 
      // Set the OCR engine 
      document.Text.OcrEngine = ocrEngine; 
      // First, do not store IOcrPageCharacters in DocumentPageText, this will 
      // cause our code to extract the character OCR confidences value to not work 
      document.Text.StoreOcrPageCharacters = false; 
      Console.WriteLine("Obtaining OCR characters confidence with StoreOcrPageCharacters equals to false. Should fail"); 
 
      // Now get the text 
      DocumentPage documentPage = document.Pages[0]; 
      DocumentPageText documentPageText = documentPage.GetText(); 
      // Build the words 
      documentPageText.BuildWords(); 
      ShowOcrConfidence(documentPageText); 
 
      Console.WriteLine("Obtaining OCR characters confidence with StoreOcrPageCharacters equals to true. Should work"); 
      document.Text.StoreOcrPageCharacters = true; 
      documentPageText = documentPage.GetText(); 
      // Build the words 
      documentPageText.BuildWords(); 
      ShowOcrConfidence(documentPageText); 
   } 
   ocrEngine.Dispose(); 
} 
 
private static void ShowOcrConfidence(DocumentPageText documentPageText) 
{ 
   Console.WriteLine("Showing OCR confidence value of the characters of the first word"); 
   if (documentPageText.Words == null) 
   { 
      Console.WriteLine("Nothing to show"); 
      return; 
   } 
 
   // Show the OCR character confidence for the first word 
   // Get the first word 
   DocumentWord word = documentPageText.Words[0]; 
   Console.WriteLine($"first word value:{word.Value}"); 
   // Get its characters 
   for (int characterIndex = word.FirstCharacterIndex; characterIndex <= word.LastCharacterIndex; characterIndex++) 
   { 
      // DocumentCharacter reference 
      DocumentCharacter documentCharacter = documentPageText.Characters[characterIndex]; 
      Console.WriteLine($" character at index {characterIndex} is {documentCharacter.Code} its isFromOcr value is {documentCharacter.IsFromOcr} and its bounds are {documentCharacter.Bounds}"); 
      Console.WriteLine($"Is end of line: {documentCharacter.IsEndOfLine}"); 
      Console.WriteLine($"Is end of word: {documentCharacter.IsEndOfWord}"); 
      Console.WriteLine($"Is right to left: {documentCharacter.IsRightToLeft}"); 
      // Ensure this is a character obtained from OCR 
      if (documentCharacter.IsFromOcr) 
      { 
         // See if we stored the IOcrPageCharacters in  
         if (documentPageText.OcrPageCharacters != null) 
         { 
            // We have it, get the corresponding OcrCharcater 
            // Get the zone characters 
            IOcrZoneCharacters ocrZoneCharacters = documentPageText.OcrPageCharacters[documentCharacter.OcrZoneIndex]; 
            // And the character in this zone 
            OcrCharacter ocrCharacter = ocrZoneCharacters[documentCharacter.OcrCharacterIndex]; 
            int confidence = ocrCharacter.Confidence; 
            Console.WriteLine($"   OCR character code is {ocrCharacter.Code} and confidence is {confidence}"); 
            // Sanity check 
            Debug.Assert(ocrCharacter.Code == documentCharacter.Code); 
         } 
         else 
         { 
            Console.WriteLine("   Failed to get OCR confidence"); 
         } 
      } 
   } 
} 
Requirements

Target Platforms

Help Version 22.0.2023.4.21
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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.

Leadtools.Document Assembly

Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.