[rrd-users] Re: overlay vs composite

[Milan Obuch]

On Monday 12 July 2004 20:36, David O'Brien wrote:
> Hi,
> How hard would it be to incorporate the ImageMagick "composite" feature
> into rrdtool to replace the --overlay function (that I never have been able
> to get to work.)
>
> I have been generating graphs and then running them thru IM'a composite to
> "pretty" them up a bit
> and read on the IM pages that they have a C++ API.
>

To me it seems the whole trouble is incorrect format - for both --overlay and 
--background function you need images in GD format, not PNG. There is a tool 
png2gd coming with GD package, if my memory does work as expected :)
HTH,
Milan

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