Function detectFulltext

vision/detect.v1p1beta1.js:17–61

(fileName)

'use strict';

async function detectFulltext(fileName) {
  // [START vision_detect_document]
  // Imports the Google Cloud client libraries
  const vision = require('@google-cloud/vision').v1p1beta1;

  // Creates a client
  const client = new vision.ImageAnnotatorClient();

  /**
   * TODO(developer): Uncomment the following line before running the sample.
   */
  // const fileName = 'Local image file, e.g. /path/to/image.png';

  // Performs label detection on the local file
  const [result] = await client.textDetection(fileName);
  const pages = result.fullTextAnnotation.pages;
  pages.forEach(page => {
    page.blocks.forEach(block => {
      const blockWords = [];
      block.paragraphs.forEach(paragraph => {
        paragraph.words.forEach(word => blockWords.push(word));
        console.log(`Paragraph confidence: ${paragraph.confidence}`);
      });

      let blockText = '';
      const blockSymbols = [];
      blockWords.forEach(word => {
        word.symbols.forEach(symbol => blockSymbols.push(symbol));
        let wordText = '';
        word.symbols.forEach(symbol => {
          wordText = wordText + symbol.text;
          console.log(`Symbol text: ${symbol.text}`);
          console.log(`Symbol confidence: ${symbol.confidence}`);
        });
        console.log(`Word text: ${wordText}`);
        console.log(`Word confidence: ${word.confidence}`);
        blockText = blockText + ` ${wordText}`;
      });

      console.log(`Block text: ${blockText}`);
      console.log(`Block confidence: ${block.confidence}`);
    });
  });
  // [END vision_detect_document]
}

//.usage('$0 <command> <local-image-file>', 'Cloud Vision Beta API Samples')
require('yargs')