Hi Richard,
in the rrdgraph.pod there is the following section
=head2 graphv
Calling rrdtool with the graphv option will return information in
the rrdtool info format. On the command line this means that all
output will be in key=value format. When used from the perl and
ruby bindings a hash pointer will be returned from the call.
When the filename '-' is given, the contents of the graph itself
will also be returned through this interface (hash key 'image'). On
the command line the output will look like this:
print[0] = "0.020833"
print[1] = "0.0440833"
graph_left = 51
graph_top = 22
graph_width = 400
graph_height = 100
image_width = 481
image_height = 154
value_min = 0.0000000000e+00
value_max = 4.0000000000e-02
image = BLOB_SIZE:8196
[... 8196 bytes of image data ...]
There is more information returned than in the standard interface.
Especially the 'graph_*' keys are new. They help applications that
want to know what is where on the graph.
Today Richard Burton wrote:
--
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten
http://it.oetiker.ch tobi@... ++41 62 213 9902
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