[rrd-users] graphv and Image::Magick::BlobToImage
tobi at oetiker.ch
Fri Aug 7 17:57:27 CEST 2009
Today Benny Baumann wrote:
> Am 05.08.2009 15:03, schrieb Tobias Oetiker:
> > Today Fabien Wernli wrote:
> >> Hi Fabien,
> >> On Tue, Aug 04, 2009 at 02:38:07PM +0200, Fabien Wernli (aka Fabien Wernli) wrote:
> >>> I was wondering if anybody successfully managed to interface perlmagick's
> >>> Blob functionality with RRDs's graphv image='-' blob.
> >>> The idea would be to generate rrdtool graphs into memory and directly use
> >>> them within imagemagick.
> >> Yes it works perfectly, I just tried it!
> > ;-) I hope you didn't expect anthing less :-)
> > cheers
> > tobi
> The graphv function is another case where in-memory transfers would be
> nice-to-have for the API as suggested for the rrd_dump function (using a
> callback). See the recent discussion on my API addition suggestion end
> of July.
the info interface is rather different to the rrd_dump interface
... have you had a look at it ... you do basically get a memory
note that compared to the time spent compressing the image (which
one might want to disable when continuing to process) the memcpy is
rather negligable ...
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland
http://it.oetiker.ch tobi at oetiker.ch ++41 62 775 9902 / sb: -9900
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