tesseract

语言库没安装报错：

Pro:Test root# phpunit TesseractOCRTest.php
Error opening data file /opt/local/share/tessdata/eng.traineddata
Please make sure the TESSDATA_PREFIX environment variable is set to the parent directory of your "tessdata" directory.
Failed loading language 'eng'
Tesseract couldn't load any languages!
Could not initialize tesseract.

查询可用的语言：

MacBook-Pro:Test root# port search tesseract-
tesseract-chi-sim @3.02_1 (textproc, graphics, pdf)
    Chinese (Simplified) language data for the Tesseract OCR engine

tesseract-chi-tra @3.02_1 (textproc, graphics, pdf)
    Chinese (Traditional) language data for the Tesseract OCR engine

tesseract-chr @3.02_1 (textproc, graphics, pdf)
    Cherokee language data for the Tesseract OCR engine

安装简体中文

MacBook-Pro:Test root# port install tesseract-eng(tesseract-chi-sim简体中文)