Re: [xsl] Re: Random?

[Ali Choumane <ali.choumane@xxxxxxx>]

If we can use a function like generate-id()...  that solve my problem. because 
that we are trying to do with Dimitre has as goal to generate unique values 
for the value of stamp,... but manualy... 
a function as generate-id() exist ??

 
Quoting Ramkumar Menon <ramkumar.menon@xxxxxxxxx>:

> I had a question on this. Can't we use a function like generate-id()
> on each "sentence" node in the target to generate unique values for
> the value of stamp ?
> Just curious....
> 
> rgds,
> Menon
> 
> On 5/2/05, Dimitre Novatchev <dnovatchev@xxxxxxxxx> wrote:
> > Hi Ali,
> > 
> > On 5/2/05, Ali Choumane <ali.choumane@xxxxxxx> wrote:
> > > Hi Dimitre,
> > > first, thanks for your help,
> > > second,
> > > I am using the seconds part of the current time -- as the value of the
> pSeed
> > > parameter (by using the library  of exslt).
> > >
> > > But the problem is : I am calling the function randomSequence several
> times
> > > per second ,so I have the same value of the parameter pSeed to the
> > > randomSequence.
> > >
> > > I want to use the third part of the current time (milliseconds) ??? its
> > > possible?? I can't find anything!
> > 
> > It seems that you are generating a lot of sequences of random numbers
> > -- with what length?
> > 
> > I would suggest two ways around the problem:
> > 
> >   1. Generate only one (but sufficiently long) sequence of randoms,
> > then use its subsequences as needed.
> > 
> >   2. In case you'd need N sequences of random numbers, then generate
> > a sequence of N random numbers and use these as the seeds to generate
> > the corresponding N sequences.
> > 
> > Cheers,
> > Dimitre Novatchev.
> > 
> > >
> > >
> > > Quoting Dimitre Novatchev <dnovatchev@xxxxxxxxx>:
> > >
> > > > Hi Ali,
> > > >
> > > > On 4/29/05, Ali Choumane <ali.choumane@xxxxxxx> wrote:
> > > > > Hi Dimitre,
> > > > >
> > > > > I am using the template "randNext" in random.xsl :
> > > > >
> > > > > ...
> > > > > <sentence>
> > > > > <xsl:attribute name="stamp">
> > > > >     <xsl:call-template name="randNext">
> > > > >         <xsl:with-param name="arg1" select="1"/>
> > > > >     </xsl:call-template>
> > > > >  </xsl:attribute>
> > > > >  <xsl:attribute name="state">nonDesamb</xsl:attribute>
> > > > >  <xsl:value-of select="concat($arg1/sentence[last()], $arg2)"/>
> > > > > </sentence>
> > > > > ...
> > > > >
> > > > > and this is a part of result of transformation:
> > > > > ...
> > > > >  <sentence stamp="39022" state="nonDesamb">111 111 111</sentence>
> > > > >  <sentence stamp="39022" state="nonDesamb"> 222 222</sentence>
> > > > >  <sentence stamp="39022" state="nonDesamb"> 333 333 333</sentence>
> > > > >  <sentence stamp="39022" state="nonDesamb"> 444 444 444</sentence>
> > > > >  <sentence/>
> > > > >  <sentence stamp="39022" state="nonDesamb">555 555 555</sentence>
> > > > >  <sentence stamp="39022" state="nonDesamb"> 666 666 666</sentence>
> > > > >  <sentence stamp="39022" state="nonDesamb"> 777 777 777</sentence>
> > > > >  <sentence stamp="39022" state="nonDesamb"> 888 888 888, 999
> > > > 999999</sentence>
> > > > > ...
> > > > >
> > > > > As the result show, "stamp" it's not a key now. I think because
> "arg1" is
> > > > > fixed.
> > > > >
> > > > > and I am using the template "randomSequence" in random.xsl, but it
> can't
> > > > > resolve the problem.
> > > >
> > > > randomSequence produces a sequence of (the pLength parameter) N
> > > > numbers. If the seed (the pSeed parameter) is the same on two
> > > > invocations of randomSequence, the two produced sequences are, of
> > > > course, the same.
> > > >
> > > > > I think , if I put a variable value of "arg1" , can resolve the
> problem?
> > > >
> > > > In order to achieve truly "random" results, the transformation has to
> > > > use some non-fixed number, such as the seconds part of the current
> > > > time -- and this can be passed as a parameter to the transformation by
> > > > the external code that invokes it.
> > > >
> > > > Then this number can be used as a seed -- to be passed as the value of
> > > > the pSeed parameter.
> > > >
> > > > > But how, when we can't change the value of variables in XSLT?
> > > >
> > > > We can't and actually we don't need to.
> > > >
> > > > Cheers,
> > > > Dimitre novatchev.
> > > >
> > >
> > > Ali CHOUMANE
> > > M2R III ,Univ Joseph fourrier, UFR IMA
> > > WAM/INRIA & GETA/CLIPS
> > > portable.      06 71 55 80 65
> > > Bureau(INRIA). 04 76 61 54 13
> > > Email. ali.choumane@xxxxxxx
> > >
> > > -------------------------------------------------
> > > envoyi via Webmail/IMAG !
> > 
> > 
> 
> 
> -- 
> Shift to the left, shift to the right!
> Pop up, push down, byte, byte, byte!
> 
> -Ramkumar Menon
>  A typical Macroprocessor
> 
> 


Ali CHOUMANE
M2R III ,Univ Joseph fourrier, UFR IMA
WAM/INRIA & GETA/CLIPS
portable.      06 71 55 80 65
Bureau(INRIA). 04 76 61 54 13 
Email. ali.choumane@xxxxxxx

-------------------------------------------------
envoyi via Webmail/IMAG !