monitor_graph

The monitor_graph command returns a PNG image file with the selected real time chart. This is the same chart that is shown in the Monitor information page. Before a chart can be extracted, the chart must be enabled using the Monitor information page.

Syntax

http://localhost/knm/extract.xsi?cmd=monitor_graph&user=Admin&id=8&param1=2&deviceid=2

cmd	monitor_graph
user	KNM user username
id	ID number of monitor
param1	Zero based index of chart to retrieve. The index is based on enabled graphs.
deviceid	ID of asset

Returned data

A PNG image file with the default size of 747x120 pixels and a color depth of 3 bytes per pixel.