How to use IGS via Web Services (or HTTP)?

IGS is well integrated in Web Dynpro, BSP, BEx and so on...
Via ABAP it's easy to call it but I do not find how to use it via HTTP (or better Web Services).
Any idea?
Sergio

Dear Sergio,
a scenario that makes use of the HTTP interface of the IGS is Web Dynpro Java. This may also be an alternative for you. But with a lot of technical background it is also possible to generate charts using the IGS via HTTP directly (Web Services are not supported).
Prerequisite is an IGS somewhere in the network that has at least one HTTP listener defined and the XMLCHART interpreter is installed.
You must send an HTTP request to the adress http://<igs-host>:<igs-port>/XMLCHART. The request must at least contain the parameter with name data as first parameter. This parameter contains the chart data as XML, see below. In addition all further parameters (the name doesn't matter but I would recommend something like custom1, custom2, ...) must contain the chart customizing as XML.
If you already used the XMLCHART interpreter in an ABAP application or BSP you may know the data and customizing xml format. If not you can download the SAP ChartDesigner from the Downloads --> Web AS section of the SDN. This download contains a pdf describing the data xml format and the tool itself which can be used to create the customizing xml in an interactive manner.
All HTTP related coding must be done by you.
Best regards
Matthias

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