From print textbook to MathML
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CAPER-BC's workflow for producing accessible MathML from an print textbook that is inaccessible for a blind students. CC-BY licensed.
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From print textbook to MathML
- 1. From print textbook to MathML TARA ROBERTSON, ACCESSIBILITY LIBRARIAN, CAPER-BC TROBERTSON@LANGARA.CA
- 2. PDF of page 220
- 6. Open in Word
- 7. Run CAT Toolbar in Word
- 10. After cleanup
- 11. MathType
- 13. Open in Central Access Reader
- 14. Use CAR to export as HTML
- 16. PDF TIFF XML DOCX HTML File formats
- 17. Resources Math Support Finder – identify the right combinations of tools to read math accessibly: http://msf.mathmlcloud.org Enabling Math: Web, Word & PDF, Emerging Solutions and Overcoming Issues, presentation from CSUN 2015: http://davidmacd.com/mathml/ DIAGRAM Center, Digital Image and Graphic Resources for Accessible Materials: http://diagramcenter.org Central Access Reader: http://www.cwu.edu/central-access/reader Math & Science Accessibility. Portland Community College. http://www.pcc.edu/resources/instructional-support/access/math.html
Editor's Notes
- In photo image editing software (we use MS Paint) we need to manually remove any of the formatting as this will cause problems for InftyReader, the specialized math OCR software.
- InftyReader chugs through the cleaned up files and using OCR makes the letterforms, numbers and math symbols readable.
- We use this free open source Word add-on from our colleagues at Central Washington University to highlight all the math content to make it easier for humans to manually check and edit.
- Changes: PRINT PAGE tag Before: halfway down software recognized GCF and (18,30)=6 as two different equations, this needed to be manually edited. Needed to manually type in “Example 2” as we cropped this out before using InftyReader.
- This is another tool made by Central Washington University. It is another free open source tool that can be used to highlight and read. It also reads math correctly and can be used as a production tool to output an HTML file that will work correctly with one of the 3 main screenreaders: JAWS, Voiceover or NVDA.
- Like MS Paint, I never thought I’d be using Internet Explorer ever again. This is what this file looks like in Internet Explorer.
- To produce accessible math content from a PDF of a textbook we go through these file formats. It’s a bit complicated but it’s possible.