Do me a favor, let me know everyone what you think of the text-based tutorials on Bill's blog and in my own 01-cell-basics.lisp (and there is more if you want to look at the regression tests in the cells-test subdirectory or go to my web site and grab some old, obsolete PDFs).
I liked your 01-cell-basics.lisp as it gave a first feeling of what cells is about also I liked Bill's one as it introduced the idea of filtering the values before using them (something that obviously needs doing in a real world problem but that I had no idea, nor I would have expected, you had implemented).
However as side problem with Bill's example I never got to see the status of the pump on closed from a def-c-echo call until when at the end I called (status *motor1*) and everything updated. It wasn't clear if the reason was the filtering or something else.
The problem with 01-cell-basic is that it is indeed quite basic so things like drifters are not introduced, nor filtering, nor any other goodies you are currently hiding in your source code.
So yeah they are good but only to get a first inkling of the potential of your system. However I haven't looked at your test directory in detail yet nor at the other pdfs on your site.
Side Note: in your most recent release you still have a `while' that is incompatible with acl (I replaced it with acl:while although you mentioned that changing it to a do will make it portable) which is present in the data-flow source file.
Regarding linking cells to LW, well I have got a copy of LW Personal installed on my computer as I wanted to give it a look however after having started it I was already missing my acl (although older version). So I don't know it might be a good chance for me too look back at LW then again it might not.
One unspoken issue here is that, if I base the more elaborate examples on Cello, well, Cello is so far just win32 ACL and LW, tho it is in principle portable to Linux and Mac OS X. A small voice tells me I will have to do all the porting myself, and even then I would only do OS X to get ready for my next entrepreneuial effort. Unless someone or ones step up to port Cello to Linux (unlikely) suddenly the more advanced tutorials are win32/OSX-only. (And I do think a GUI is necessary, tho I know the Linux crowd feels differently.)
Well linking Cells tutorial to Cello (and ACL and LW) I would like that though I appreciate that not using Linux I am not entirely impartial ;) However I was just wondering is there not a demo of ACL running on Linux? and if so is the GUI linkages so different that Cello would not run on it?
rmagere