For Propeller Activity Board WX (via USB connection only), Hackable Electronic Badge, FLiP, and Other board types.
The GRAPH blocks are used to generate a visual graph of data in BlocklyProp's Graphing window. This window will open automatically when you run a project that uses these blocks.
Do not try to use Graph and Terminal blocks in the same project. The Terminal takes charge and will prevent the Graphing window from opening. You would, however, see some data values appear in the Terminal window.
Do not use the Graph blocks in a function that will be launched with the New Processor block. It won't work - the Graph needs to be used from your project's main processor.
Use the Graph initialize block at the beginning of your project to set the display area for the data that your project will graph.
The Graph value block sends the attached value to the graph display. Click the gear to display additional values from the same block; you will be able to label each value. Each value plotted is a different color, with a matching label and numerical data displayed in a box in the Graphing window's upper right corner.
Links
[1] http://learn.parallax.com/tutorials/language/blocklyprop/simple-blocklyprop-programs-propeller-boards/graphing-data