Set Variable again, russian chars

[Viton-zizu]

This "SetVariable" not work, how i can do white list chars? engine.SetVariable("tessedit_char_whitelist", "АБВГД...etc");

[charlesw]

Try encoding the value as an ansii value using unicode escape sequences. I thought id done this automatically but the code must be in the 3.03 branch. On 11 Sep 2014 09:22, "Viton-zizu" notifications@github.com wrote:

This "SetVariable" not work, how i can do white list chars? engine.SetVariable("tessedit_char_whitelist", "АБВГД...etc");

— Reply to this email directly or view it on GitHub https://github.com/charlesw/tesseract/issues/120.

[charlesw]

Check out: http://stackoverflow.com/questions/1615559/converting-unicode-strings-to-escaped-ascii-string

[Viton-zizu]

try this, not work engine.SetVariable("tessedit_char_whitelist", "\u0410"); "\u0410" = "А" russian letter

[AndreyAkinshin]

I have the same problems with Russian symbols. Transform to UTF-8 doesn't help. Version 3.03 doesn't help too.

But I think I know the solution. Check out this StackOverflow question: http://stackoverflow.com/questions/9794029/python-tesseract-ocr-get-digits-only

The line

SetVariable("tessedit_char_whitelist", someChars);

should be run before initializing.

In the previous version of the Tesseract wrapper, the initialization method was existed separately from constructor. So, I could do this:

engine = new TesseractEngine(@"./tessdata", "rus", EngineMode.Default)
engine.SetVariable("tessedit_char_whitelist", rusChars);
engine.Init();

But in the current version I can't do it because the initialization method was moved into the constructor. Please, fix it.

[charlesw]

Okay, I'm going to have a look into this today. On 20 Sep 2014 00:34, "Andrey Akinshin" notifications@github.com wrote:

I have the same problems with Russian symbols. Transform to UTF-8 doesn't help. Version 3.03 doesn't help too.

— Reply to this email directly or view it on GitHub https://github.com/charlesw/tesseract/issues/120#issuecomment-56185115.

[charlesw]

Same issue as Issue #68, I'll backport the fix from 3.03 and see if that helps.

[AndreyAkinshin]

It works now, thanks. Can you merge it into master branch and publish via NuGet?

[charlesw]

Yes, I'll look at doing that tomorrow want to do a little more testing first as there's quite a few changes since last release. On 20 Sep 2014 18:35, "Andrey Akinshin" notifications@github.com wrote:

It works now, thanks. Can you merge it into master branch and publish via NuGet?

— Reply to this email directly or view it on GitHub https://github.com/charlesw/tesseract/issues/120#issuecomment-56261011.

[Viton-zizu]

Great!