Screenshot via HTTP Request
If, for example, decisions are made on the shop floor on the basis of a visualization, it is necessary to document the decision basis. This can be done, for example, by taking a screenshot of the visualization.
Technically, a screenshot can be extracted directly from the box via an HTTP get request.
This command looks like this:
The request URL is as follows, where GET is used as the method:
As shown in the diagram, the authorization is Base64 encoded. You can find a corresponding encoder for example here. The authorization string is composed as follows:
If the request is successful, you receive a screenshot of the current display for further processing from the box.