How do I update this? like animation? while(1) {
$pdl_memory->get_dataref(); } On Mon, Nov 16, 2009 at 5:48 PM, David Mertens <dcmert...@gmail.com> wrote: > On Mon, Nov 16, 2009 at 4:17 PM, Kartik Thakore > <thakore.kar...@gmail.com>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 >