Message-ID: <Pine.LNX.4.61.0508161441120.29519@gannet.stats>
Date: 2005-08-16T13:45:02Z
From: Brian Ripley
Subject: Image from bytes streams
In-Reply-To: <76189e25050816063321b42d24@mail.gmail.com>
On Tue, 16 Aug 2005, M?rcio de Medeiros Ribeiro wrote:
> First, thank you very much for the answers...
>
> I have used the png() function before for generate the image and then
> capture its bytes.
>
> My big problem is that my program reads the image before that its
> complete by the png() function. For instance, my graphic image has
> 1000Kb. When R saves it into the hard disk, my Java program reads the
> file before the save operation completes (500Kb for example). So, I
> got only a part of the file and hence the image... :(
>
> One solution is read the image and search for a byte which represents
> the end of the file, but it depends on the image format...
>
> So, how can I discover that R image save operation stored the complete
> file into the hard disk?
When dev.off() completes and you get an R prompt back.
--
Brian D. Ripley, ripley at stats.ox.ac.uk
Professor of Applied Statistics, http://www.stats.ox.ac.uk/~ripley/
University of Oxford, Tel: +44 1865 272861 (self)
1 South Parks Road, +44 1865 272866 (PA)
Oxford OX1 3TG, UK Fax: +44 1865 272595