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Code Block
languagexml
titlePDFParser Configuration
<properties>
  <parsers>
    <parser class="org.apache.tika.parser.DefaultParser">
      <!-- this is not formally necessary, but prevents loading of unnecessary parser -->
      <parser-exclude class="org.apache.tika.parser.pdf.PDFParser"/>
    </parser>
    <parser><parser class="org.apache.tika.parser.pdf.PDFParser">
      <params>
       <!-- these are the defaults; you only need to specify the ones you want 
            to modify -->
        <param name="allowExtractionForAccessibility" type="bool">true</param>
        <param name="averageCharTolerance" type="float">0.3</param>
        <param name="detectAngles" type="bool">false</param>
        <param name="extractAcroFormContent" type="bool">true</param>
        <param name="extractActions" type="bool">false</param>
        <param name="catchIntermediateIOExceptions" type="bool">true</param>
        <param name="dropThreshold" type="float">2.5</param>
        <param name="enableAutoSpace" type="bool">true</param>
        <param name="extractAnnotationText" type="bool">false</param>
        <param name="extractBookMarksText" type="bool">true</param>
        <param name="extractFontNames" type="bool">false</param>
        <param name="extractInlineImages" type="bool">false</param>
        <param name="extractUniqueInlineImagesOnly" type="bool">true</param>
        <param name="ifXFAExtractOnlyXFA" type="bool">false</param>
        <param name="maxMainMemoryBytes" type="long">-1</param>
        <param name="ocrDPI" type="int">300</param>
        <param name="ocrImageFormatName" type="string">png</param>
        <param name="ocrImageQuality" type="float">1.0</param>
        <param name="ocrRenderingStrategy" type="string">ALL</param>
        <param name="ocrStrategy" type="string">auto</param>
        <param name="ocrStrategyAuto" type="string">better</param>
        <param name="ocrImageType" type="string">gray</param>
        <param name="setKCMS" type="bool">false</param>
        <param name="sortByPosition" type="bool">false</param>
        <param name="spacingTolerance" type="float">0.5</param>
        <param name="suppressDuplicateOverlappingText" type="bool">false</param> 
      </params>
    </parser>
  </parsers>
</properties>

TesseractOCRParser

Code Block
languagexml
titleTesseractOCR Configuration
<properties>
  <parsers>
    <parser class="org.apache.tika.parser.DefaultParser">
      <!-- this is not formally necessary, but prevents loading of unnecessary parser -->
      <parser-exclude class="org.apache.tika.parser.ocr.TesseractOCRParser"/>
    </parser>
    <parser class="org.apache.tika.parser.ocr.TesseractOCRParser">
      <params>
        <!-- these are the defaults; you only need to specify the ones you want
             to modify -->
        <param name="applyRotation" type="bool">false</param>
        <param name="colorSpace" type="string">gray</param>
        <param name="density" type="int">300</param>
        <param name="depth" type="int">4</param>
        <param name="enableImagePreprocessing" type="bool">false</param>
        <param name="filter" type="string">triangle</param>
        <param name="imageMagickPath" type="string">/my/custom/imageMagicPath</param>
        <param name="language" type="string">eng</param>
        <param name="maxFileSizeToOcr" type="long">2147483647</param>
        <param name="minFileSizeToOcr" type="long">0</param>
        <param name="pageSegMode" type="string">1</param>
        <param name="pageSeparator" type="string"></param>
        <param name="preserveInterwordSpacing" type="bool">false</param>
        <param name="resize" type="int">200</param>
        <param name="skipOcr" type="bool">false</param>
        <param name="tesseractPath" type="string">/my/custom/path</param>
        <param name="tessdataPath" type="string">/my/custom/data</param>
        <param name="timeoutSeconds" type="int">120</param>
      </params>
    </parser>
  </parsers>
</properties>

tika-parsers module

When using tika-parsers in your project, you need to change the dependencies from

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