Thanks Mark. Yes you've got it right as far as what I'm trying to do.
However I can't seem to get your code working, although I'm sure it's
something I'm doing.... error resolving iRandTemp.
Do I just plug it in as Javascript within a cfoutput?
> From: "Marc Campeau" <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> Date: Thu, 28 Mar 2002 14:24:26 -0500
> To: <[EMAIL PROTECTED]>
> Subject: RE: [CFTALKTor] RandRange question - Unique random numbers
>
> Karl, sorry about this but I still don't get it?
>
> From what I get:
>
> You have a set of M images somewhere all named img[digit].gif.
> You have a set of N headlines.
>
> You want to show each of the N headlines with an accompanying image where M
> and N are arbitrary.
>
> Now you don't care which image Y is shown with headline X as long as Y is
> not show more than once? Correct? On top of that, you want that everytime
> the page refreshes the order in which the images are shown must be
> arbitrary, because otherwise there would be no need for using rand, just use
> the currentRow number and you're all set.
>
> What happens if there are more headlines than images? Do you show images
> multiple times?
>
> In any case, from what I stipulated you could do this:
>
> iTotalImages = [the number of available images];
> arrImageNames = new Array( recordCount ); // Array holding image names
>
> for ( i=1; i LTE recordCount; i=i+1 ) {
> inserted = false;
> // Get an image number
> while( !inserted ) {
> iRandTmp = int( randRange( 1, recordCount ) ) ;
> if ( iRandTmp GT iTotalImages ) {
> iRandTmp = iRandTmp mod iTotalImages;
> arrImageNames[i] = iRandTmp;
> inserted = true;
> }
> else if ( !arrayFind( iRandTmp ) ) {
> arrImageNames[i] = iRandTmp;
> inserted = true;
> }
> } // end while
> writeOutput( "<IMG SRC=""img#iRandTmp#"" ...> ... " );
> } // end for
>
> Marc
>
>> -----Original Message-----
>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
>> Behalf Of Karl Zarudny
>> Sent: Thursday, March 28, 2002 1:49 PM
>> To: [EMAIL PROTECTED]
>> Subject: Re: [CFTALKTor] RandRange question - Unique random numbers
>>
>>
>> Thanks Charlie and Mark.
>>
>> I'm basically trying to insert a random image for each record
>> returned by my
>> query. So for example:
>>
>> img1.gif - Headline1 - Mar. 28/2002.<br>
>> img2.gif - Headline2 - Mar. 27/2002.<br>
>> img3.gif - Headline3 - Mar. 26/2002.<br>
>>
>> Perhaps I'll need to do something with JS?
>>
>> Karl
>>
>>> From: "Marc Campeau" <[EMAIL PROTECTED]>
>>> Reply-To: [EMAIL PROTECTED]
>>> Date: Thu, 28 Mar 2002 12:40:54 -0500
>>> To: <[EMAIL PROTECTED]>
>>> Subject: RE: [CFTALKTor] RandRange question - Unique random numbers
>>>
>>> You could store randRange results in a list and do something like
>>>
>>> while ( listFind( randRangeResultList, n ) ) {
>>> n = RandRange( 1, myquery.RecordCount );
>>> }
>>>
>>> That in worst case could slow down your app though.
>>>
>>> A little more insight into what you want to achieve might help
>> us provide
>>> you with more help.
>>>
>>> Marc
>>>
>>>> -----Original Message-----
>>>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
>>>> Behalf Of Karl Zarudny
>>>> Sent: Thursday, March 28, 2002 11:12 AM
>>>> To: CFUG
>>>> Subject: [CFTALKTor] RandRange question - Unique random numbers
>>>>
>>>>
>>>> Hi everybody.
>>>>
>>>> I'm using RandRange to generate random numbers within a cfoutput.
>>>> How can I
>>>> ensure that there is no repetition? Here's what I'm doing:
>>>>
>>>> <cfoutput query="myquery">
>>>> <cfset n = #RandRange(1,myquery.RecordCount)#>
>>>> <img src="img#n#.gif" alt="Image #n#">
>>>> </cfoutput>
>>>>
>>>> Should I be using something else instead?
>>>>
>>>> Thanks,
>>>> Karl
>>>>
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>>>
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> This message has been posted by: Karl Zarudny <[EMAIL PROTECTED]>
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> (http://www.infopreneur.net)
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