PDFlib Text Extraction Toolkit (TET) Manual

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Fig. 6.1 Acrobat’s advanced search dialog XMP metadata on document level. XMP metadata consists of an XML stream containing extended metadata. > How to display with Acrobat 8/9: File, Properties..., Additional Metadata.. (not available in the free Adobe Reader) > How to search a single PDF with Acrobat 8/9: not available > How to search multiple PDFs with Acrobat 8/9: click Edit, Search and Use Advanced Search Options. In the Look In: pull-down select a folder of PDF documents and in the pull-down menu Use these additional criteria select XMP Metadata (not available in the free Adobe Reader). > Sample code for the TET library: dumper mini sample > TETML element: /TET/Document/Metadata XMP metadata on image level. XMP metadata can be attached to document components, such as images, pages, fonts, etc. However, XMP is commonly only found on the image level (in addition to document level). > How to display with Acrobat 8/9: Tools, Advanced Editing, TouchUp Object Tool, select image, right-click, Show Metadata... (not available in the free Adobe Reader) 58 Chapter 6: Text Extraction
How to search with Acrobat 8/9: not available > Sample code for the TET library: pCOS Cookbook topic image_metadata > TETML element: /TET/Document/Pages/Resources/Images/Image/Metadata Text in form fields. Form fields are displayed on top of the page. However, technically they are not part of the page contents, but represented by separate data structures. > How to display with Acrobat 8: View, Navigation Panels, Fields > How to display with Acrobat 9: Forms, Add or Edit Fields... > How to search with Acrobat 8/9: not available > Sample code for the TET library: pCOS Cookbook topic fields > TETML element: not available Text in comments (annotations). Similar to form fields, annotations (notes, comments, etc.) are layered on top of the page, but are represented by separate data structures. The interesting text contents of an annotation depend on its type. For example, for Web links the interesting part may be the URL, while for other annotation types the visible text contents may be relevant. > How to display with Acrobat 8/9: View, Navigation Panels, Comments > How to search a single PDF with Acrobat 8/9: Edit, Search and check the box Include Comments, or use the Search Comments button on the Comments List toolbar > How to search multiple PDFs with Acrobat 8/9: click Edit, Search and Use Advanced Search Options. In the Look In: pull-down select a folder of PDF documents and in the pull-down menu Use these additional criteria select Comments. > Sample code for the TET library: pCOS Cookbook topic annotations > TETML element: not available Text in bookmarks. Bookmarks are not directly page-related, although they may contain an action which jumps to a particular page. Bookmarks can be nested to form a hierarchical structure. > How to display with Acrobat 8/9: View, Navigation Panels, Bookmarks > How to search a single PDF with Acrobat 8/9: Edit, Search and check the box Include Bookmarks > How to search multiple PDFs with Acrobat 8/9: click Edit, Search and Use Advanced Search Options. In the Look In: pull-down select a folder of PDF documents and in the pull-down menu Use these additional criteria select Bookmarks (not available in the free Adobe Reader) > Sample code for the TET library: pCOS Cookbook topic bookmarks > TETML element: not available File attachments. PDF documents may contain file attachments (on document or page level) which may themselves be PDF documents. > How to display with Acrobat 8/9: View, Navigation Panels, Attachments > How to search with Acrobat 8/9: Use Edit, Search and check the box Include Attachments (not available in the free Adobe Reader). Nested attachments will not be searched recursively. > Sample code for the TET library: get_attachments mini sample > TETML element: /TET/Document/Attachments/Attachment/Document 6.1 Document Domains 59
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PDFlib GmbH München, Germany www.p
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Contents 0 First Steps with TET 7 0
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10.9 Option Handling 151 10.10 pCOS
Page 8 and 9: 0.2 Applying the TET License Key Us
Page 11 and 12: 1 Introduction The PDFlib Text Extr
Page 13 and 14: may extract some text which is not
Page 15 and 16: 2 TET Command-Line Tool 2.1 Command
Page 17 and 18: Constructing TET command lines. The
Page 19 and 20: Extract images and generate TETML i
Page 21 and 22: 3 TET Library Language Bindings Thi
Page 23 and 24: TET_CATCH(tet) { printf("Error %d i
Page 25 and 26: 3.4 COM Binding Installing the TET
Page 27 and 28: 3.6 .NET Binding The .NET edition o
Page 29 and 30: 3.8 PHP Binding Installing the TET
Page 31 and 32: 3.9 Python Binding Installing the T
Page 33 and 34: Exception Handling in RPG. TET clie
Page 35 and 36: 4 TET Connectors TET connectors pro
Page 37 and 38: 4.2 TET Connector for the Lucene Se
Page 39 and 40: Indexing metadata fields. The TET c
Page 41 and 42: 4.4 TET Connector for Oracle The TE
Page 43 and 44: these options on the command line.
Page 45 and 46: TET PDF IFilter is freely available
Page 47 and 48: tracts text and metadata from the P
Page 49 and 50: 5 Configuration 5.1 Indexing protec
Page 51 and 52: 5.2 Resource Configuration and File
Page 53 and 54: tet/3.0/resource /tet/3.0/resource/
Page 55 and 56: Geometry. The geometry features may
Page 57: 6 Text Extraction 6.1 Document Doma
Page 61 and 62: 6.2 Unicode Concepts Unicode encodi
Page 63 and 64: artificial characters which will be
Page 65 and 66: width (x, y) beta fontsize baseline
Page 67 and 68: 6.4 Support for Chinese, Japanese,
Page 69 and 70: Options for text filtering. There a
Page 71 and 72: 6.6 Content Analysis PDF documents
Page 73 and 74: Dehyphenation. Hyphenated words at
Page 75 and 76: Table 6.3 Document styles docstyle=
Page 77 and 78: Fig. 6.5 Sample font reports create
Page 79 and 80: glyphmapping {{fontname=Warnock* to
Page 81 and 82: 7 Image Extraction 7.1 Image Extrac
Page 83 and 84: 7.2 Image Geometry Using TET_get_im
Page 85 and 86: 7.3 Image Analysis Image merging. S
Page 87 and 88: 7.4 Restrictions and Caveats Image
Page 89 and 90: 8 TET Markup Language (TETML) 8.1 C
Page 91 and 92: Depending on the sele
Page 93 and 94: You can specify the amount of text
Page 95 and 96: Table 8.3 TETML elements TETML elem
Page 97 and 98: 8.4 Transforming TETML with XSLT Ve
Page 99 and 100: Run the program as follows: nxslt3.
Page 101 and 102: 8.5 XSLT Samples The TET distributi
Page 103 and 104: Alphabetical list of words in the d
Page 105 and 106: 9 The pCOS Interface The pCOS (PDFl
Page 107 and 108: 9.2 Handling Basic PDF Data Types p
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9.3 Composite Data Structures and I
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Path prefixes. Prefixes can be used
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Table 9.3 Universal pseudo objects
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Table 9.4 Pseudo objects for PDF ob
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Table 9.5 Pseudo objects for resour
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9.6 Encrypted PDF Documents pCOS su
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10 TET Library API Reference 10.1 O
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10.2 General Functions Perl PHP res
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Returns Scope Bindings The converte
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10.3 Exception Handling C++ string
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10.4 Document Functions C++ int ope
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Table 10.3 Document options for TET
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C++ C int open_document_callback(vo
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Table 10.5 Page options for TET_ope
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Table 10.6 Suboptions for the conte
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Table 10.7 Suboptions for the layou
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Table 10.9 Suboptions for the struc
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C++ const TET_char_info *get_char_i
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10.7 Image Retrieval Functions C++
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C++ int write_image_file(int doc, i
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10.8 TET Markup Language (TETML) Fu
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10.9 Option Handling C++ void set_o
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10.10 pCOS Functions The full pCOS
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If the object has type stream all f
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A TET Library Quick Reference The f
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B Revision History Revision history
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unsupported types 87 XMP metadata 8
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