Re: [boost] [gil][io_new] Image Reading and Writing Iterator

Subject: Re: [boost] [gil][io_new] Image Reading and Writing Iterator
From: Mateusz Łoskot (mateusz_at_[hidden])
Date: 2011-10-24 09:19:38

On 24 October 2011 14:09, Zach Laine <whatwasthataddress_at_[hidden]> wrote:
> On Sun, Oct 23, 2011 at 6:30 PM, Christian Henning <chhenning_at_[hidden]> wrote:
>> Hi there, one of the requirements for the acceptance of io_new as the
>> new io extension for gil is the ability to read and write images in
>> more then one step. For that  the current state of an operation has to
>> be cached. I have created some meta functions that give access to
>> io_new's reader and writer classes. Right now, it still is very
>> preliminary. I would like to ask the community how I could create an
>> read_iterator and write_iterator classes which users could use to
>> iterate over very large images.
>>
>> I know there are some specific iterator libs in boost but I'm just
>> clueless in how to use let alone be able to come up with an
>> implementation that will be released by boost.
>>
>> Any help would be very welcome!
>
> I have some experience using Boost iterator adapters, and I'm very
> interested in getting io_new into the Boost tree ASAP, so I'll lend a
> hand. Â Can you briefly state the problem more explicitly?

I'm also interested in this feature and similarly, I'd need to learn
more about the idea details/

Christian, I guess you don't need help in constructing iterator adapter, do you?
So, can you outline the idea or point where's the problem?

Best regards,
-- 
Mateusz Loskot, http://mateusz.loskot.net
Charter Member of OSGeo, http://osgeo.org
Member of ACCU, http://accu.org