Using the GEM display window

All graphics we are going to create reside in a separate window with the main patch window. It is often called the GEM display window. We use the gemwin object to create the window. With different input messages, we can customize the properties of the display window.

Create a new Pd patch. Save it to your folder with name gem001.pd. Clear the console window by choosing Edit | Clear console.

Put the object gemwin onto your patch window, together with two messages and one toggle box. Connect all the messages and toggle boxes to the inlet of the gemwin object:

The gemwin object manages the graphics window. In this simple example, it receives two input messages:

• create: This message creates a new window for graphics display

• destroy: This message closes the graphics window

Also note the toggle box that sends the number, either 0 or 1 to the gemwin object. It is the rendering switch. Turning on the toggle will start graphics rendering within the window. Turning it off...