One of my colleagues, for his PhD research, wrote a jQuery-based tool to do something similar to that (still under development): https://pdfs.semanticscholar.or

One of my colleagues, for his PhD research, wrote a jQuery-based tool to do something similar to that (still under development): https://pdfs.semanticscholar.org/a5b4/5bb7b0091963781390557e147dfff62f4f5c.pdf https://pdfs.semanticscholar.org/a5b4/5bb7b0091963781390557e...