Re: SDL::Surface::new_from and PLot question

How do I update this?  like animation?

while(1)
{

  $pdl_memory->get_dataref();
}

On Mon, Nov 16, 2009 at 5:48 PM, David Mertens <[email protected]> wrote:

> On Mon, Nov 16, 2009 at 4:17 PM, Kartik Thakore <[email protected]>wrote:
>
>> Hi David,
>>
>> Can you give a small script ( a sin function ) that is ready for me to
>> grab get_dataref? Some to test SV to Surface pixels conversions.
>>
>> Kartik Thakore
>>
>
> If all you're looking for is a 2-d piddle with something nontrivial, try
> this:
>
> --------%<--------
>
> use PDL;
>
> # Allocate a 10x10 array for rgb.  I think that only the zeroes function
> allows
> # you to declare a piddle with a specific data type
> my $pdl_memory = zeroes(byte, 3, 10, 10);
>
> # Set values. Use in place to be sure we don't get another allocation,
> which may be the wrong type.
> # Note that the sequence wraps back to zero after hitting 256, because
> they're bytes!
> $pdl_memory->inplace->sequence;
>
> # I believe we can get at the actual IV like so:
> my $iv = $pdl_memory->get_dataref();
>
> --------%<--------
>
> I believe that will do it.  PDL wizards please correct me if I'm wrong.
>
> David
>