PDFlib Text Extraction Toolkit (TET) Manual

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6 Text Extraction 57 6.1 Document Domains 57 6.2 Unicode Concepts 61 6.3 Page and Text Geometry 64 6.4 Support for Chinese, Japanese, and Korean Text 67 6.5 Unicode Pipeline 68 6.6 Content Analysis 71 6.7 Layout Analysis 74 6.8 Advanced Unicode Mapping Controls 76 7 Image Extraction 81 7.1 Image Extraction Basics 81 7.2 Image Geometry 83 7.3 Image Analysis 85 7.4 Restrictions and Caveats 87 8 TET Markup Language (TETML) 89 8.1 Creating TETML 89 8.2 Controlling TETML Details 92 8.3 TETML Elements and the TETML Schema 96 8.4 Transforming TETML with XSLT 97 8.5 XSLT Samples 101 9 The pCOS Interface 105 9.1 Simple pCOS Examples 105 9.2 Handling Basic PDF Data Types 107 9.3 Composite Data Structures and IDs 109 9.4 Path Syntax 110 9.5 Pseudo Objects 112 9.6 Encrypted PDF Documents 119 10 TET Library API Reference 121 10.1 Option Lists 121 10.2 General Functions 123 10.3 Exception Handling 127 10.4 Document Functions 129 10.5 Page Functions 134 10.6 Text and Metrics Retrieval Functions 142 10.7 Image Retrieval Functions 145 10.8 TET Markup Language (TETML) Functions 149 4 Contents
10.9 Option Handling 151 10.10 pCOS Functions 153 A TET Library Quick Reference 157 B Revision History 159 Index 161 Contents 5
Page 1 and 2: PDFlib GmbH München, Germany www.p
Page 3: Contents 0 First Steps with TET 7 0
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 and 58:
6 Text Extraction 6.1 Document Doma
Page 59 and 60:
How to search with Acrobat 8/9: not
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
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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
Page 109 and 110:
9.3 Composite Data Structures and I
Page 111 and 112:
Path prefixes. Prefixes can be used
Page 113 and 114:
Table 9.3 Universal pseudo objects
Page 115 and 116:
Table 9.4 Pseudo objects for PDF ob
Page 117 and 118:
Table 9.5 Pseudo objects for resour
Page 119 and 120:
9.6 Encrypted PDF Documents pCOS su
Page 121 and 122:
10 TET Library API Reference 10.1 O
Page 123 and 124:
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
Page 129 and 130:
10.4 Document Functions C++ int ope
Page 131 and 132:
Table 10.3 Document options for TET
Page 133 and 134:
C++ C int open_document_callback(vo
Page 135 and 136:
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
Page 143 and 144:
C++ const TET_char_info *get_char_i
Page 145 and 146:
10.7 Image Retrieval Functions C++
Page 147 and 148:
C++ int write_image_file(int doc, i
Page 149 and 150:
10.8 TET Markup Language (TETML) Fu
Page 151 and 152:
10.9 Option Handling C++ void set_o
Page 153 and 154:
10.10 pCOS Functions The full pCOS
Page 155 and 156:
If the object has type stream all f
Page 157 and 158:
A TET Library Quick Reference The f
Page 159:
B Revision History Revision history
Page 162 and 163:
unsupported types 87 XMP metadata 8
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