solve the glyph extraction

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  1. #1

    Default solve the glyph extraction

    hi,
    "namespace Stack" this is in actual PDF but when converting to XML its coming like

    nnaammeessppaaccee SSttaacckk .

    got to know that this is a glyph extraction problem.

    i got a code to handle the glyph extaction problem in PDF.
    /Resources
    << /Font << /F13 23 0 R >>
    > 23 0 obj
    << /Type /Font /Subtype /Type1 /BaseFont /Helvetica > endobj
    can anyone guide me how to use this code n what actualy its doing?
    Regadrs
    Ashwini Kumar Dash

    ashwini_dash@adobeforums.com Guest

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  3. #2

    Default Re: solve the glyph extraction

    This is not unusual. It sounds as if the application was doing fake
    bold by printing each character twice, slightly offset. If you want to
    spend enough time developing you can detect this case by seeing that
    identical characters occupy an overlapping bounding box, and eliminate
    it.

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  4. #3

    Default Re: solve the glyph extraction

    hi andi,
    thanx for your suggestion.can you please guide me how to fix this problem?Actually i am not getting a proper way to find out the solution.i am using Acrobat 7.0 professional.Is there in plugin given to handle this?
    Ashwini
    ashwini_dash@adobeforums.com Guest

  5. #4

    Default Re: solve the glyph extraction

    I have described how to fix the problem: " you can detect this case by
    seeing that identical characters occupy an overlapping bounding box,
    and eliminate it." This would be how I would approach this difficult
    task, but I have never done it.

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  6. #5

    Default Re: solve the glyph extraction

    hi andi,
    do u know what the preflight plugin does?have u ever gone through Advance > preflight ? i dont know but i think it can help me.if u know anything about this plz ell me.
    Ashwini
    ashwini_dash@adobeforums.com Guest

  7. #6

    Default Re: solve the glyph extraction

    > do u know what the preflight plugin does?

    All kinds of analysis of the PDF. Some simple, some very complicated.
    Why?

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  8. #7

    Default Re: solve the glyph extraction

    hi Andi,
    Actually i am very new to acrobat SDK and i have some critical issues.like when converting to XML some characters like fi - fl not converting properly and as i told u before some glyphs(faux bolding) is there which also not converting properly.I am doing all type of analysis to find a way to enter in to problem cause and to find a solution for this.I need some real help.
    Ashwini
    ashwini_dash@adobeforums.com Guest

  9. #8

    Default Re: solve the glyph extraction

    > .I need some real help.

    I am not sure what you mean. If you ask direct questions, we try to
    answer them. If you want someone to write code for you, that's a
    different story.

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  10. #9

    Default Re: solve the glyph extraction

    P.S. I have fully answered your question about XML in another forum and about repeated glyphs in this forum.

    If you don't understand the reply, please say so, but it's no good
    just repeating the question in the hope that the reply will change.
    Sorry, it's time to be direct: it is considered VERY RUDE INDEED to
    behave in this way in forums, just as in conversation. I want to help, that's why I am participating, but it is maddening to find that I post a reply, and that you just post the question again! If you don't understand my reply, that's fair, but please SAY SO!

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  11. #10

    Default Re: solve the glyph extraction

    One more thought. Since the internet is worldwide, perhaps we just
    have a cultural difference. I expect you to say if you do not
    understand, but maybe in your culture that is rude or unacceptable.
    But please, if that's the case, I recommend that you overcome that.

    Please realise that when give your problem some serious thought, and I
    twice type my reply "you can detect this case by seeing that identical
    characters occupy an overlapping bounding box, and eliminate it." and
    you reply "I need some real help", that in my culture THIS is rude.

    To be effective in web forums, we should still be polite, but we do
    need to be direct too, and explain what we mean. I am ready, so long
    as you don't want me to write code for you.

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  12. #11

    Default Re: solve the glyph extraction

    hi andi,
    my intenssion was not like that .sorry if anything wrong i told.actually my intenssion of writing "i want some real help" is i got your answer but i am unable to follow your answer.thats why i asked how to do that what u suggested.sorry again .its a problem the way i wrote the mesage but my intenssion was not that.
    Ashwini
    ashwini_dash@adobeforums.com Guest

  13. #12

    Default Re: solve the glyph extraction

    Ok, let's try to explain first WHY there may be duplicated characters.
    Here is one possible explanation. I will not here try to cover a
    programming solution, only why they are there.

    Fonts are made in different "weights". For example, there is an Arial
    font and an Arial Bold font. These are both designed by the same
    person, but the designs are different, to make the bold font heavier.

    When working with fonts, users should be careful to only bold
    characters when they have a bold font. Otherwise they will get "fake
    bold".

    Fake bold means that the computer tries to use a normal font to give
    the illusion of real bold. There are several ways to do this, but none
    are as good as using a properly designed font.

    One way to do fake bold uses over-printing. Think of a typewriter.
    With a typewriter you can back space and hit the same character again.
    It will be darker, almost as if it is bold. Computers may try to do
    the same thing, but they will move the character a very small amount
    (perhaps less than 0.1 mm). These two characters, seen together, look
    thicker, and give the illusion of bold.

    So, what happened with this PDF, perhaps, is that the person who made
    it and typed "namespace Stack" used bold, but did not have a bold
    font. So a fake bold was made. So that would have n-n (both characters
    in almost the same place), then a-a, and so forth.

    But if you try to read the characters in the PDF you will see
    n-n-a-a-...

    Ok, have I now made this clear? There is no point continuing to a
    programmatic solution unless I have.

    Aandi Inston
    Aandi_Inston@adobeforums.com Guest

  14. #13

    Default Re: solve the glyph extraction

    hi andi,
    now is very clear to me . I got a solutio for this. I think we have to write plugin to touch the cos layer and do a proper encoding of the font.Thanks andi .Dont get angry .I am very sorry for the misunderstanding.
    Ashwini
    ashwini_dash@adobeforums.com Guest

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