PDFlib Text Extraction Toolkit (TET) Manual

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devserver (1)$ ant search Buildfile: build.xml compile: search: [java] Enter query: PDFlib [java] Searching for: pdflib [java] 5 total matching documents [java] 1. ../data/PDFlib-datasheet.pdf [java] Title: PDFlib, PDFlib+PDI, Personalization Server Datasheet [java] 2. ../data/Whitepaper-PDFA-with-PDFlib-products.pdf [java] Title: Whitepaper: Creating PDF/A with PDFlib [java] 3. ../data/FontReporter.pdf [java] Title: PDFlib FontReporter 1.3 Manual [java] 4. ../data/TET-PDF-IFilter-datasheet.pdf [java] Title: PDFlib TET PDF IFilter Datasheet [java] 5. ../data/Whitepaper-XMP-metadata-in-PDFlib-products.pdf [java] Title: Whitepaper: XMP Metadata support in PDFlib Products [java] Press (q)uit or enter number to jump to a page. q [java] Enter query: title:FontReporter [java] Searching for: title:fontreporter [java] 1 total matching documents [java] 1. ../data/FontReporter.pdf [java] Title: PDFlib FontReporter 1.3 Manual [java] Press (q)uit or enter number to jump to a page. q [java] Enter query: BUILD SUCCESSFUL Total time: 57 seconds Two queries have been performed: one for the word PDFlib in the text, and another one for the word FontReporter in the title field. Note that q must be entered to leave the result paging mode before the next query can be started. All paths and filenames in the Ant build.xml file are defined via properties so that the file can be used with different environments, either by providing the properties on the command line or by entering the properties to override in a file build.properties, or even platform-specific into the files windows.properties or unix.properties. For example, to run the sample with a Lucene JAR file which is installed under /tmp you can invoke Ant as follows: ant -Dlucene.jar=/tmp/lucene-core-2.4.0.jar index Testing TET and Lucene with the demo Web application. The Lucene demo Web application can be deployed on any Java servlet container such as Tomcat or GlassFish. The required steps are described in the HTML documentation that comes with Lucene, also available online at lucene.apache.org/java/2_4_0/demo3.html. Note the step Configuration on that page. Here you must make the location of the index known to the Web application by entering it in the file configuration.jsp. The path to add here would be /bind/lucene/index if Ant was run without overriding the property for the location of the Lucene index. 38 Chapter 4: TET Connectors
Indexing metadata fields. The TET connector for Lucene indexes the following metadata fields: > path (tokenized field): the pathname of the document > modified (DateField): the date of the last modification > contents (Reader field): the full text contents of the document > All predefined and custom PDF document info entries, e.g. Title, Subject, Author, etc. Document info entries can be queried with the pCOS interface which is integrated in TET (see Chapter 9, »The pCOS Interface«, page 105, for more details on pCOS), e.g. String objType = tet.pcos_get_string(tetHandle, "type:/Info/Subject"); if (!objType.equals("null")) { doc.add(new Field("summary", tet.pcos_get_string(tetHandle, "/Info/Subject"), Field.Store.YES, Field.Index.ANALYZED)); } > font: the names of all fonts in the PDF document You can customize metadata fields by modifying the set of indexed document info entries or by adding more information based on pCOS paths in PdfDocument.java. PDF file attachments. The Lucene connector for TET recursively processes all PDF file attachments in a document, and feeds the text and metadata of each attachment to the Lucene search engine for indexing. This way search hits will be generated even if the searched text is not present in the main document but some attachment. Recursive attachment traversal is especially important for PDF packages and portfolios. 4.2 TET Connector for the Lucene Search Engine 39
Page 1 and 2: PDFlib GmbH München, Germany www.p
Page 3 and 4: Contents 0 First Steps with TET 7 0
Page 5: 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: 4.2 TET Connector for the Lucene Se
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
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Depending on the sele
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You can specify the amount of text
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Table 8.3 TETML elements TETML elem
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8.4 Transforming TETML with XSLT Ve
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Run the program as follows: nxslt3.
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8.5 XSLT Samples The TET distributi
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Alphabetical list of words in the d
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9 The pCOS Interface The pCOS (PDFl
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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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