Oh, sorry, I misunderstood something a while back. I thought this was a
process to take a few inputs and generate a gcode file that ran some kind of
machine process to produce it, but I see where you mention wanting to
present a graphic simulation.
Doesn't this type of input to a milling machine have its own visualizer?
On Fri, Feb 5, 2010 at 1:10 PM, Hugh Aguilar <hughaguila...@yahoo.com>wrote:
>
> ------------------------------
> *From:* Jim mack <j...@less2do.com>
> *To:* factor-talk@lists.sourceforge.net
> *Sent:* Wed, February 3, 2010 10:02:50 PM
> *Subject:* Re: [Factor-talk] slide-rule
>
> > I am just getting started in Factor, and am partially drawn to the
> ability to do cross platform GUI development, but I thought I should mention
> a cool ability to ship a self-contained HTTP server using their easy to use
> furnace library. It could launch a browser to itself on startup and produce
> the output format file locally. If you already do web programming it
> shouldn't be much of a learning curve.
>
>
> I have never done any GUI programming or web programming, so either
> approach would represent new ground for me. I am somewhat dubious of the
> idea of a browser/server, as there is a lot of data to work with. I could be
> wrong, considering that I've never done this, but my understanding of the
> browser/server idea is that the program running on the browser is dealing
> with a very small amount of data such as the fields in a data-entry form.
>
> Perhaps it would help if I explained how my slide-rule program works: It is
> a three-stage process:
>
> 1.) I have words such as D-scale, A-scale, etc., that each generate a
> linked-list representing the scale. Each node is a MARK:
>
> list
> w field .kind \ the kind of mark this is (TNY, SML,
> MID, BIG or XTR)
> f field .n \ the numeric value of the mark
> (corresponds to .LABEL)
> f field .dist \ derived from N and measured in Lunits
> (distance from left edge)
> w field .orientation \ the direction of the label in relation to
> the mark
> w field .label \ the hstr of the label if there is a
> label
> constant mark
>
> \ If .ORIENTATION is N/A, then there is no label and .LABEL is irrelevant.
> \ The DIST value is nominally in the range [0,1], although it might extend
> over the edge slightly.
>
> 2.) I convert these MARK lists into SHAPE lists. These contain absolute
> coordinates (in inches) of all the marks and labels on a particular face of
> the slide-rule. Each node is a SHAPE:
>
> list
> p field .src
> p field .dst
> w field .siz
> w field .txt
> constant shape \ a text string or a line segment
>
> \ The P fields are .X and .Y pairs.
> \ If the .SIZ field is a KIND (TNY, SML, MID, BIG or XTR), then the shape
> is a text string.
> \ The .SRC field is the lower-left corner and the .DST field is not used.
> \ If the .SIZ field is N/A, then the shape is a line segment.
> \ The .SRC and .DST fields are the endpoints.
>
> 3.) I convert the SHAPE lists into gcode. All the information in each SHAPE
> node gets etched with G01 commands, and I also pick up the tool and move it
> with a G00 command from each element to the next.
>
> The Factor program would be the same as the Forth except that I will use
> sequences rather than linked lists, as linked lists are apparently not
> idiomatic in Factor. The GUI would allow the user to drag-and-drop the
> scales into place to construct the slide-rule, and would also allow the user
> to simulate the use of the slide-rule by moving the slide and the cursor to
> and fro on the constructed slide-rule. There would have to be an alternative
> #3 step above that generates some kind of graphical image rather than gcode.
>
> Does Factor have the ability to display SVG on the screen? Or would I need
> to generate some other kind of graphical image? If Factor has support for
> displaying graphical images (of any kind) on the screen, then I think the
> whole thing would be best written in Factor as a GUI program. If Factor
> can't do this, then it might be better to have the Factor program generate
> SVG on the server side, and then write a JavaScript program to run in a
> browser and display the SVG images.
>
>
>
>
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--
Jim
"I'm for extending the working Medicare program for our seniors all the way
back to contraception, so Americans can concentrate on living their lives
without fear of changing a job, going bankrupt from deductibles or fighting
HMO bureaucracy."
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