[Glade-users] GtkDrawingArea
Joaquin Cuenca Abela
e98cuenc@free.fr
Sun, 30 Mar 2003 15:48:23 +0200
Alphonso wrote:
>
> Glade Users
>
> I'm trying to use the GtkDrawingArea to graph sine
> waves, but GTK+
> doesn't seem
> to offer a way to graph points as floating point coordinates onto the
> GtkDrawingArea. I'm trying to think of way to map sin(x)
> values onto the
> DrawingArea using integer values in someway. If anyone knows
> of another
It's just a matter of scaling the values that you want to draw from
-1, 1 to 0, height
Something as y = (1.0 - sin(x)) * height / 2; would do it.
With a little more of math you should be able to plot with an offset, of
scale.
Cheers,