Hi TP, I was wondering if you have copy of Visual Studio 2010 Project for Tesseract 3.01 which includes dawg2wordlist ?
Kind regards Richard On Friday, February 24, 2012 12:34:52 AM UTC+11, TP wrote: > > On Wed, Feb 22, 2012 at 11:59 PM, Wout Bittremieux > <bittremi...@gmail.com> wrote: > > I have been trying to include Tesseract in my Visual Studio 2010 > > project in order to be able to use the API calls. Because my knowledge > > about building and using libraries in Visual Studio is rather > > superficial, this has presented me with several problems. I have > > managed to straighten out some of these problems by googling and > > reading this group as well as the dev group, however some problems > > still remain. Which is why I turn to some smarter people like you, > > hoping to get some help with these issues. > > > > In order to build the Tesseract library in Visual Studio 2010 I have > > largely been following Tom Powers' guidelines for Visual Studio 2008 > > [1], making small adjustments where deemed necessary. These guidelines > > have been extremely helpful in order to make some progress. The > > version I used while building is Tesseract v3.01, because I wanted to > > have a stable working version first before trying a version from the > > SVN. > > > > I have been able to successfully build libtesseract in all four of the > > build configurations (Debug, Debug.dll, Release, Release.dll). > > However, when trying to use the built library files in my own project, > > unfortunately I had less success. > > > > Both the Release and the Release.dll library files work correctly. > > This has enabled me to use Tesseract in my own project successfully. > > Unfortunately, I can't seem to get both the Debug and the Debug.dll > > versions to work. Although using Tesseract in Release mode allows me > > to implement its functionality, of course while writing complicated > > code, a Debug solution is mandatory. > > > > In the Leptonica documentation, the Visual Studio 2010 Notes [2] say > > it should be possible to use a static VS2008 library in VS2010 without > > any problems. And it should also be possible to use a dynamic VS2008 > > library when taking care of certain rules. > > > > Because using a static library should be possible, first I tried this > > approach. However, when trying to run my application linking to the > > static Tesseract library, I get the following error message: > > > > 'Unable to start program 'C:\...\....exe'. > > > > This application has failed to start because the application > > configuration is incorrect. Review the manifest file for possible > > errors. Reinstalling the application may fix this problem. For more > > details, see the application event log.' > > > > The application event log gave me the following information: > > > > 'Activation context generation failed for "C:\...\....exe". Dependent > > Assembly > > > Microsoft.VC90.DebugCRT,processorArchitecture="x86",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="9.0.21022.8" > > could not be found. Please use sxstrace.exe for detailed diagnosis.' > > > > I tried getting some more information by using Dependency Walker, > > however this largely presents the same error message. > > Researching this side-by-side error leads me to believe that some of > > the libraries still need a VS2008 debug library, which isn't available > > on my machine. Unfortunately I have no idea how I can fix this > > problem. Several message boards advertise different solutions of which > > I have tried a few, but without any positive result. > > > > Because the static library didn't work, I tried the dynamic library as > > well. By using the dynamic debug library, when I try to run my program > > I get an error message saying that 'the application failed to > > initialize properly'. Using Dependency Walker, the error seems to be > > that the provided LIBLEPT168D.DLL seems to need MSVCR90D.DLL, which of > > course isn't available on my Visual Studio 2010 machine. This is > > probably the same problem Tom Powers noted here [3]. > > Because Dependency Walker indicated Leptonica needs the VS2008 > > library, I tried building Leptonica myself with Visual Studio 2010. I > > managed to build it successfully, however when using this version of > > liblept instead of the downloadable version, I received the same error > > I got as with the static library. > > > > Now I have tried all these different things, but I am stuck for the > > moment. Does any one here knows how to fix this problem and use the > > Tesseract library in debug mode? > > > > Greetings, > > Wout > > > > --- > > > > [1] > https://groups.google.com/group/tesseract-dev/browse_thread/thread/c4ce347ad02f0c2c > > [2] http://tpgit.github.com/UnOfficialLeptDocs/vs2008/vs2010-notes.html > > [3] > http://stackoverflow.com/questions/4171403/using-visual-studio-2010-how-can-one-link-to-a-dll-generated-by-visual-studio-2 > > > > Try building and running leptonica's ioformat_reg program (which is my > canonical test case). If that doesn't work then you still have a > problem with building Leptonica and you don't need to worry about > tesseract yet. It might be (and probably is) that you'll have to > rebuild all the dependent image libraries versions also (which while > painful is doable by following the instruction on the Leptonica site > you referenced). > > I have to admit that my machines have always had both VS2008 and > VS2010 installed on them, therefore I always have the required runtime > libraries. This may have been an issue all along and it just doesn't > apply to my special case. I gather the C Runtime Library > redistributions that Microsoft provides free don't come with the Debug > versions? I've never bothered to check. > > As a workaround, I suppose you could always install the free VC++ 2008 > express edition from [1]. Sort of a long way around to make sure you > get the MSVCR90D.DLL. > > [1] > http://www.microsoft.com/visualstudio/en-us/products/2008-editions/express > > -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. 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