Re: [WWdevel] help with refreshCachedImages

[John J. <jj...@as...>]

Michael Gage wrote:

>
> On Aug 12, 2005, at 6:36 PM, John Jones wrote:
>
>> Hi,
>>
>> There was a discussion on the discussion board stemming from  
>> Nandor's problems which generate graphs based on student answers.   
>> Part of the resolution was that a problem should always refresh its  
>> on the fly graphics if refreshCachedImages is non-zero.
>>
>> I created a problem and set $refreshCachedImages=1 in the problem.   
>> The place to check this is in dangerousMacros.pl.  I have tried  
>> $main::refreshCachedImages and $main::PG_FLAGS{refreshCachedImages}  
>> (and a few other variations), and I cannot see the value of this  
>> variable.
>>
>> What is the right way to access this value, or is there none?  For  
>> example, if the call from the problem to insertGraph is evaluated  
>> before ENDDOCUMENT, then any help from ENDDOCUMENT won't be seen.
>>  
>
> Try  my $refreshedCachedImages =  eval ( "$main::refreshCachedImages");

That doesn't work either, nor does

my $refreshCachedImages = eval("$main::PG_FLAGS{refreshCachedImages}");

Are used variables inside the pg files accessible from functions like 
pg/macros?

John