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#1 Posted : Wednesday, February 18, 2009 11:46:26 AM(UTC)

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Posts: 15

I have a couple of questions am need to better understand how zones are created as I may need to create my own zone parser algorithm.

1. Is the current AutoZone algorithm available for modification by developers?

2. After searching the V16 .NET help, I can't figure out the relationship between IOcrEngine (which I am using in the OCRMain_x86 example) to the RasterDocumentManager class in the help file (below).

public void FindZonesExample()
   // Note that this is a sample key, which will not work in your toolkit
   RasterSupport.Unlock(Leadtools.RasterSupportType.Ocr, "TestKey");
   RasterDocumentEngine rasterDocument;   // how does this related to IOcrEngine?
   rasterDocument = RasterDocumentEngine.Instance;
   // assume page is added, refer to AddPage example for more information
   rasterDocument.ShowZoneGridlines = true;
   rasterDocument.EnableZoneForceSingleColumn = true;
   rasterDocument.ZoneParser = RasterDocumentPageParser.Auto;
   rasterDocument.FindZones(0, Rectangle.Empty);


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#2 Posted : Thursday, February 19, 2009 6:44:11 AM(UTC)

Adnan Ismail  

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Posts: 3,022

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I am afraid we do not have the source code for the Zones algorithm. OCR engine itself is provided by Nuance (ScanSoft) so we do not have access to its code.

We do not have RasterDocumentManager Class. Do you mean the RasterDocumentEngine? If yes, the IOcrEngine interface is the new design for the LEADTOOLS OCR functionalities. The RasterDocumentEngine class is the older design used in previous versions of LEADTOOLS and can be used in LEADTOOLS v16.

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