Randomization problem

Adam Osth adamosth at gmail.com
Mon May 18 19:27:14 UTC 2009


Ah, I had never thought of that.

However, I just tested it with fixed defined numbers (ie:
c.GetAttrib("Picture:3")) and it seems to index the correct files just fine.
It's only when I use a variable in the colon notation that it has problems
(ie: c.GetAttrib("Picture:y")) and defaults to zero.

Are there other ways of doing this randomization procedure? It's a little
bit sophisticated, which is why I'm using inline code. The program needs to
randomly select one picture from 8 pictures in a list that are all presented
in random sequence, store that filename and write it to another list for
later presentation.

Adam

On Mon, May 18, 2009 at 3:17 PM, David McFarlane <mcfarla9 at msu.edu> wrote:

>
> Adam,
>
> Wow, I don't know offhand if that syntax works.  It looks like you
> are trying to use "colon syntax", and I don't know if you can use
> that with the Context.GetAttrib() method, that may work only with the
> List.GetAttrrib() method (e.g., colon syntax has to know which List
> has the attribute "Picture").  I would have to make some demo
> programs and look at the generated code to explore this further, but
> I will leave that to you.
>
> -- David McFarlane, Professional Faultfinder
>
>
> >I just realized when you sent this that it might be due to how the
> >random number is applied.
> >
> >I have the randomization code to select a picture for presentation,
> >so I did this:
> >TestList.setAttrib counter, "Item", c.GetAttrib("Picture:drawno")
> >
> >...in which one of the 8 files in the attribute "Picture" on another
> >list is randomly selected.
> >
> >Is it defaulting to zero because this isn't syntactically valid?
> >
> >Adam
> >
> >On Mon, May 18, 2009 at 2:59 PM, David McFarlane
> ><<mailto:mcfarla9 at msu.edu>mcfarla9 at msu.edu> wrote:
> >
> >Adam,
> >
> >Hmm, that bit of code works perfectly for me.  I suspect the problem
> >lies somewhere else in the script.  Just to be clear, try the
> >following and see what happens:
> >
> >Dim drawno As Integer
> >Dim i as Integer
> >For i = 1 to 8
> >     drawno = Random(0, 7)
> >     MsgBox drawno
> >Next i
> >
> >-- David McFarlane, Professional Faultfinder
> >
> >
> > >I'm having a little problem with randomization code in Ebasic. I
> > >have this code:
> > >
> > >Dim drawno As Integer
> > >drawno = Random(0, 7)
> > >
> > >...and yet, drawno is initialized to '0' every time. This code is
> > >used for 8 repetitions in the program, and each time "0" comes up.
> > >Even with "Randomize" in front, the same thing happens.
> > >
> > >Is there something I'm doing wrong?
> > >
> > >Adam
> >
> >
> >
> >
> >
> >
>
> >
>

--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups "E-Prime" group.
To post to this group, send email to e-prime at googlegroups.com
To unsubscribe from this group, send email to e-prime+unsubscribe at googlegroups.com
For more options, visit this group at http://groups.google.com/group/e-prime?hl=en
-~----------~----~----~----~------~----~------~--~---

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listserv.linguistlist.org/pipermail/eprime/attachments/20090518/3350bb61/attachment.htm>


More information about the Eprime mailing list